From f920a34a0ddfbae284fee8b757a8f8a8a6e4749e Mon Sep 17 00:00:00 2001 From: Max Richter Date: Wed, 6 Mar 2024 14:01:07 +0100 Subject: [PATCH] feat: init frontend --- frontend | 1 - frontend/.gitignore | 27 + frontend/.svelte-kit/ambient.d.ts | 259 + .../generated/client-optimized/app.js | 21 + .../generated/client-optimized/matchers.js | 1 + .../generated/client-optimized/nodes/0.js | 3 + .../generated/client-optimized/nodes/1.js | 1 + .../generated/client-optimized/nodes/2.js | 1 + frontend/.svelte-kit/generated/client/app.js | 21 + .../.svelte-kit/generated/client/matchers.js | 1 + .../.svelte-kit/generated/client/nodes/0.js | 3 + .../.svelte-kit/generated/client/nodes/1.js | 1 + .../.svelte-kit/generated/client/nodes/2.js | 1 + frontend/.svelte-kit/generated/root.svelte | 57 + .../.svelte-kit/generated/server/internal.js | 34 + frontend/.svelte-kit/non-ambient.d.ts | 25 + .../output/client/.vite/manifest.json | 81 + .../_app/immutable/assets/2.CkmNU14M.css | 1 + .../_app/immutable/assets/_page.CkmNU14M.css | 1 + .../_app/immutable/chunks/entry.DSCOgCkx.js | 3 + .../_app/immutable/chunks/index.CtlmB4aM.js | 1 + .../_app/immutable/chunks/index.D-4GBzMI.js | 1 + .../immutable/chunks/scheduler.DQZw9iDR.js | 1 + .../_app/immutable/entry/app.1QiIHMmL.js | 7 + .../_app/immutable/entry/start.92os7lz4.js | 1 + .../client/_app/immutable/nodes/0.COd8Lg7a.js | 1 + .../client/_app/immutable/nodes/1.CSd4wjwx.js | 1 + .../client/_app/immutable/nodes/2.Yb2uPOo9.js | 4064 ++ .../output/client/_app/version.json | 1 + frontend/.svelte-kit/output/client/svelte.svg | 1 + frontend/.svelte-kit/output/client/tauri.svg | 6 + frontend/.svelte-kit/output/client/vite.svg | 1 + .../prerendered/dependencies/_app/env.js | 1 + .../output/prerendered/pages/index.html | 35 + .../output/server/.vite/manifest.json | 72 + .../_app/immutable/assets/_page.CkmNU14M.css | 1 + .../output/server/chunks/exports.js | 200 + .../.svelte-kit/output/server/chunks/index.js | 101 + .../output/server/chunks/internal.js | 220 + .../.svelte-kit/output/server/chunks/ssr.js | 163 + .../server/entries/fallbacks/error.svelte.js | 42 + .../server/entries/fallbacks/layout.svelte.js | 7 + .../output/server/entries/pages/_layout.ts.js | 6 + .../server/entries/pages/_page.svelte.js | 35280 ++++++++++++++++ frontend/.svelte-kit/output/server/index.js | 3705 ++ .../.svelte-kit/output/server/internal.js | 13 + .../output/server/manifest-full.js | 35 + .../.svelte-kit/output/server/manifest.js | 28 + frontend/.svelte-kit/output/server/nodes/0.js | 10 + frontend/.svelte-kit/output/server/nodes/1.js | 8 + frontend/.svelte-kit/output/server/nodes/2.js | 8 + frontend/.svelte-kit/tsconfig.json | 44 + .../.svelte-kit/types/route_meta_data.json | 6 + .../.svelte-kit/types/src/routes/$types.d.ts | 24 + frontend/.vscode/extensions.json | 7 + frontend/README.md | 7 + frontend/package.json | 36 + frontend/pnpm-lock.yaml | 1576 + frontend/src-tauri/.gitignore | 4 + frontend/src-tauri/Cargo.lock | 5250 +++ frontend/src-tauri/Cargo.toml | 27 + frontend/src-tauri/build.rs | 3 + .../src-tauri/gen/schemas/capabilities.json | 1 + .../src-tauri/gen/schemas/desktop-schema.json | 2206 + .../src-tauri/gen/schemas/linux-schema.json | 2206 + .../gen/schemas/plugin-manifests.json | 1 + frontend/src-tauri/icons/128x128.png | Bin 0 -> 3512 bytes frontend/src-tauri/icons/128x128@2x.png | Bin 0 -> 7012 bytes frontend/src-tauri/icons/32x32.png | Bin 0 -> 974 bytes .../src-tauri/icons/Square107x107Logo.png | Bin 0 -> 2863 bytes .../src-tauri/icons/Square142x142Logo.png | Bin 0 -> 3858 bytes .../src-tauri/icons/Square150x150Logo.png | Bin 0 -> 3966 bytes .../src-tauri/icons/Square284x284Logo.png | Bin 0 -> 7737 bytes frontend/src-tauri/icons/Square30x30Logo.png | Bin 0 -> 903 bytes .../src-tauri/icons/Square310x310Logo.png | Bin 0 -> 8591 bytes frontend/src-tauri/icons/Square44x44Logo.png | Bin 0 -> 1299 bytes frontend/src-tauri/icons/Square71x71Logo.png | Bin 0 -> 2011 bytes frontend/src-tauri/icons/Square89x89Logo.png | Bin 0 -> 2468 bytes frontend/src-tauri/icons/StoreLogo.png | Bin 0 -> 1523 bytes frontend/src-tauri/icons/icon.icns | Bin 0 -> 98451 bytes frontend/src-tauri/icons/icon.ico | Bin 0 -> 86642 bytes frontend/src-tauri/icons/icon.png | Bin 0 -> 14183 bytes frontend/src-tauri/src/hello.wat | 5 + frontend/src-tauri/src/lib.rs | 80 + frontend/src-tauri/src/main.rs | 6 + frontend/src-tauri/tauri.conf.json | 34 + frontend/src/app.d.ts | 13 + frontend/src/app.html | 12 + frontend/src/lib/components/App.svelte | 36 + frontend/src/lib/components/Background.frag | 61 + frontend/src/lib/components/Background.vert | 15 + frontend/src/lib/components/Edge.svelte | 52 + frontend/src/lib/components/Scene.svelte | 255 + .../src/lib/components/nodes/Output.svelte | 11 + frontend/src/lib/components/nodes/Test.svelte | 11 + frontend/src/lib/components/nodes/index.ts | 6 + frontend/src/lib/index.ts | 1 + frontend/src/lib/stores/settings.ts | 5 + frontend/src/lib/types.ts | 34 + frontend/src/routes/+layout.svelte | 5 + frontend/src/routes/+layout.ts | 2 + frontend/src/routes/+page.svelte | 47 + frontend/src/routes/app.css | 25 + .../fonts/fira-code-v22-latin-300.woff2 | Bin 0 -> 23200 bytes .../fonts/fira-code-v22-latin-600.woff2 | Bin 0 -> 23344 bytes frontend/static/svelte.svg | 1 + frontend/static/tauri.svg | 6 + frontend/static/vite.svg | 1 + frontend/svelte.config.js | 18 + frontend/tsconfig.json | 21 + frontend/tsconfig.node.json | 9 + frontend/vite.config.ts | 10 + 112 files changed, 56743 insertions(+), 1 deletion(-) delete mode 160000 frontend create mode 100644 frontend/.gitignore create mode 100644 frontend/.svelte-kit/ambient.d.ts create mode 100644 frontend/.svelte-kit/generated/client-optimized/app.js create mode 100644 frontend/.svelte-kit/generated/client-optimized/matchers.js create mode 100644 frontend/.svelte-kit/generated/client-optimized/nodes/0.js create mode 100644 frontend/.svelte-kit/generated/client-optimized/nodes/1.js create mode 100644 frontend/.svelte-kit/generated/client-optimized/nodes/2.js create mode 100644 frontend/.svelte-kit/generated/client/app.js create mode 100644 frontend/.svelte-kit/generated/client/matchers.js create mode 100644 frontend/.svelte-kit/generated/client/nodes/0.js create mode 100644 frontend/.svelte-kit/generated/client/nodes/1.js create mode 100644 frontend/.svelte-kit/generated/client/nodes/2.js create mode 100644 frontend/.svelte-kit/generated/root.svelte create mode 100644 frontend/.svelte-kit/generated/server/internal.js create mode 100644 frontend/.svelte-kit/non-ambient.d.ts create mode 100644 frontend/.svelte-kit/output/client/.vite/manifest.json create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/assets/2.CkmNU14M.css create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/assets/_page.CkmNU14M.css create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/chunks/entry.DSCOgCkx.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/chunks/index.CtlmB4aM.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/chunks/index.D-4GBzMI.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/chunks/scheduler.DQZw9iDR.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/entry/app.1QiIHMmL.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/entry/start.92os7lz4.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/nodes/0.COd8Lg7a.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/nodes/1.CSd4wjwx.js create mode 100644 frontend/.svelte-kit/output/client/_app/immutable/nodes/2.Yb2uPOo9.js create mode 100644 frontend/.svelte-kit/output/client/_app/version.json create mode 100644 frontend/.svelte-kit/output/client/svelte.svg create mode 100644 frontend/.svelte-kit/output/client/tauri.svg create mode 100644 frontend/.svelte-kit/output/client/vite.svg create mode 100644 frontend/.svelte-kit/output/prerendered/dependencies/_app/env.js create mode 100644 frontend/.svelte-kit/output/prerendered/pages/index.html create mode 100644 frontend/.svelte-kit/output/server/.vite/manifest.json create mode 100644 frontend/.svelte-kit/output/server/_app/immutable/assets/_page.CkmNU14M.css create mode 100644 frontend/.svelte-kit/output/server/chunks/exports.js create mode 100644 frontend/.svelte-kit/output/server/chunks/index.js create mode 100644 frontend/.svelte-kit/output/server/chunks/internal.js create mode 100644 frontend/.svelte-kit/output/server/chunks/ssr.js create mode 100644 frontend/.svelte-kit/output/server/entries/fallbacks/error.svelte.js create mode 100644 frontend/.svelte-kit/output/server/entries/fallbacks/layout.svelte.js create mode 100644 frontend/.svelte-kit/output/server/entries/pages/_layout.ts.js create mode 100644 frontend/.svelte-kit/output/server/entries/pages/_page.svelte.js create mode 100644 frontend/.svelte-kit/output/server/index.js create mode 100644 frontend/.svelte-kit/output/server/internal.js create mode 100644 frontend/.svelte-kit/output/server/manifest-full.js create mode 100644 frontend/.svelte-kit/output/server/manifest.js create mode 100644 frontend/.svelte-kit/output/server/nodes/0.js create mode 100644 frontend/.svelte-kit/output/server/nodes/1.js create mode 100644 frontend/.svelte-kit/output/server/nodes/2.js create mode 100644 frontend/.svelte-kit/tsconfig.json create mode 100644 frontend/.svelte-kit/types/route_meta_data.json create mode 100644 frontend/.svelte-kit/types/src/routes/$types.d.ts create mode 100644 frontend/.vscode/extensions.json create mode 100644 frontend/README.md create mode 100644 frontend/package.json create mode 100644 frontend/pnpm-lock.yaml create mode 100644 frontend/src-tauri/.gitignore create mode 100644 frontend/src-tauri/Cargo.lock create mode 100644 frontend/src-tauri/Cargo.toml create mode 100644 frontend/src-tauri/build.rs create mode 100644 frontend/src-tauri/gen/schemas/capabilities.json create mode 100644 frontend/src-tauri/gen/schemas/desktop-schema.json create mode 100644 frontend/src-tauri/gen/schemas/linux-schema.json create mode 100644 frontend/src-tauri/gen/schemas/plugin-manifests.json create mode 100644 frontend/src-tauri/icons/128x128.png create mode 100644 frontend/src-tauri/icons/128x128@2x.png create mode 100644 frontend/src-tauri/icons/32x32.png create mode 100644 frontend/src-tauri/icons/Square107x107Logo.png create mode 100644 frontend/src-tauri/icons/Square142x142Logo.png create mode 100644 frontend/src-tauri/icons/Square150x150Logo.png create mode 100644 frontend/src-tauri/icons/Square284x284Logo.png create mode 100644 frontend/src-tauri/icons/Square30x30Logo.png create mode 100644 frontend/src-tauri/icons/Square310x310Logo.png create mode 100644 frontend/src-tauri/icons/Square44x44Logo.png create mode 100644 frontend/src-tauri/icons/Square71x71Logo.png create mode 100644 frontend/src-tauri/icons/Square89x89Logo.png create mode 100644 frontend/src-tauri/icons/StoreLogo.png create mode 100644 frontend/src-tauri/icons/icon.icns create mode 100644 frontend/src-tauri/icons/icon.ico create mode 100644 frontend/src-tauri/icons/icon.png create mode 100644 frontend/src-tauri/src/hello.wat create mode 100644 frontend/src-tauri/src/lib.rs create mode 100644 frontend/src-tauri/src/main.rs create mode 100644 frontend/src-tauri/tauri.conf.json create mode 100644 frontend/src/app.d.ts create mode 100644 frontend/src/app.html create mode 100644 frontend/src/lib/components/App.svelte create mode 100644 frontend/src/lib/components/Background.frag create mode 100644 frontend/src/lib/components/Background.vert create mode 100644 frontend/src/lib/components/Edge.svelte create mode 100644 frontend/src/lib/components/Scene.svelte create mode 100644 frontend/src/lib/components/nodes/Output.svelte create mode 100644 frontend/src/lib/components/nodes/Test.svelte create mode 100644 frontend/src/lib/components/nodes/index.ts create mode 100644 frontend/src/lib/index.ts create mode 100644 frontend/src/lib/stores/settings.ts create mode 100644 frontend/src/lib/types.ts create mode 100644 frontend/src/routes/+layout.svelte create mode 100644 frontend/src/routes/+layout.ts create mode 100644 frontend/src/routes/+page.svelte create mode 100644 frontend/src/routes/app.css create mode 100644 frontend/static/fonts/fira-code-v22-latin-300.woff2 create mode 100644 frontend/static/fonts/fira-code-v22-latin-600.woff2 create mode 100644 frontend/static/svelte.svg create mode 100644 frontend/static/tauri.svg create mode 100644 frontend/static/vite.svg create mode 100644 frontend/svelte.config.js create mode 100644 frontend/tsconfig.json create mode 100644 frontend/tsconfig.node.json create mode 100644 frontend/vite.config.ts diff --git a/frontend b/frontend deleted file mode 160000 index 533bfb5..0000000 --- a/frontend +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 533bfb56272a1e734053a16ac2610b4c1e89bc16 diff --git a/frontend/.gitignore b/frontend/.gitignore new file mode 100644 index 0000000..8b466fd --- /dev/null +++ b/frontend/.gitignore @@ -0,0 +1,27 @@ +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +pnpm-debug.log* +lerna-debug.log* + +vite.config.ts.timestamp* + +node_modules +dist +dist-ssr +*.local + +# Editor directories and files +.vscode/* +!.vscode/extensions.json +.idea +.DS_Store +*.suo +*.ntvs* +*.njsproj +*.sln +*.sw? +build/ diff --git a/frontend/.svelte-kit/ambient.d.ts b/frontend/.svelte-kit/ambient.d.ts new file mode 100644 index 0000000..a908972 --- /dev/null +++ b/frontend/.svelte-kit/ambient.d.ts @@ -0,0 +1,259 @@ + +// this file is generated — do not edit it + + +/// + +/** + * Environment variables [loaded by Vite](https://vitejs.dev/guide/env-and-mode.html#env-files) from `.env` files and `process.env`. Like [`$env/dynamic/private`](https://kit.svelte.dev/docs/modules#$env-dynamic-private), this module cannot be imported into client-side code. This module only includes variables that _do not_ begin with [`config.kit.env.publicPrefix`](https://kit.svelte.dev/docs/configuration#env) _and do_ start with [`config.kit.env.privatePrefix`](https://kit.svelte.dev/docs/configuration#env) (if configured). + * + * _Unlike_ [`$env/dynamic/private`](https://kit.svelte.dev/docs/modules#$env-dynamic-private), the values exported from this module are statically injected into your bundle at build time, enabling optimisations like dead code elimination. + * + * ```ts + * import { API_KEY } from '$env/static/private'; + * ``` + * + * Note that all environment variables referenced in your code should be declared (for example in an `.env` file), even if they don't have a value until the app is deployed: + * + * ``` + * MY_FEATURE_FLAG="" + * ``` + * + * You can override `.env` values from the command line like so: + * + * ```bash + * MY_FEATURE_FLAG="enabled" npm run dev + * ``` + */ +declare module '$env/static/private' { + export const TAURI_ENV_PLATFORM: string; + export const npm_package_dependencies__tauri_apps_plugin_shell: string; + export const USER: string; + export const npm_config_user_agent: string; + export const npm_package_dependencies__tauri_apps_api: string; + export const FZF_DEFAULT_OPTS: string; + export const npm_package_devDependencies__sveltejs_vite_plugin_svelte: string; + export const npm_package_devDependencies_vite: string; + export const npm_node_execpath: string; + export const SHLVL: string; + export const ASDF_DIR: string; + export const HOME: string; + export const LESS: string; + export const OLDPWD: string; + export const ASDF_DEFAULT_TOOL_VERSIONS_FILENAME: string; + export const TERM_PROGRAM_VERSION: string; + export const LSCOLORS: string; + export const npm_package_dependencies_three: string; + export const npm_package_devDependencies__sveltejs_adapter_static: string; + export const FPATH: string; + export const PAGER: string; + export const npm_package_devDependencies_svelte_check: string; + export const npm_package_scripts_check: string; + export const npm_package_scripts_tauri: string; + export const P9K_TTY: string; + export const TAURI_ENV_TARGET_TRIPLE: string; + export const COLORTERM: string; + export const WSL_DISTRO_NAME: string; + export const npm_package_dependencies__sveltejs_kit: string; + export const npm_package_devDependencies_typescript: string; + export const WAYLAND_DISPLAY: string; + export const npm_package_scripts_dev: string; + export const LOGNAME: string; + export const npm_package_type: string; + export const npm_package_devDependencies__tauri_apps_cli: string; + export const NAME: string; + export const PULSE_SERVER: string; + export const WSL_INTEROP: string; + export const _P9K_SSH_TTY: string; + export const npm_package_private: string; + export const npm_config_registry: string; + export const TERM: string; + export const ASDF_CONFIG_FILE: string; + export const TAURI_ENV_DEBUG: string; + export const WASMTIME_HOME: string; + export const npm_config_node_gyp: string; + export const PATH: string; + export const NODE: string; + export const TAURI_ENV_PLATFORM_VERSION: string; + export const npm_package_name: string; + export const XDG_RUNTIME_DIR: string; + export const npm_package_dependencies__types_three: string; + export const npm_config_frozen_lockfile: string; + export const DISPLAY: string; + export const LANG: string; + export const MACOSX_DEPLOYMENT_TARGET: string; + export const TAURI_ENV_ARCH: string; + export const LS_COLORS: string; + export const TERM_PROGRAM: string; + export const npm_lifecycle_script: string; + export const npm_package_devDependencies__tsconfig_svelte: string; + export const NODE_PATH: string; + export const SHELL: string; + export const npm_package_version: string; + export const npm_lifecycle_event: string; + export const npm_package_scripts_build: string; + export const npm_package_dependencies__threlte_core: string; + export const npm_package_devDependencies_svelte: string; + export const npm_package_devDependencies_tslib: string; + export const P9K_SSH: string; + export const ASDF_DATA_DIR: string; + export const TAURI_ENV_FAMILY: string; + export const npm_package_dependencies__threlte_extras: string; + export const FZF_DEFAULT_COMMAND: string; + export const PWD: string; + export const npm_execpath: string; + export const _P9K_TTY: string; + export const npm_package_dependencies__threlte_flex: string; + export const PNPM_SCRIPT_SRC_DIR: string; + export const npm_package_devDependencies_internal_ip: string; + export const npm_package_devDependencies_vite_plugin_glsl: string; + export const npm_command: string; + export const npm_package_scripts_preview: string; + export const HOSTTYPE: string; + export const WSL2_GUI_APPS_ENABLED: string; + export const EDITOR: string; + export const INIT_CWD: string; + export const WSLENV: string; + export const NODE_ENV: string; +} + +/** + * Similar to [`$env/static/private`](https://kit.svelte.dev/docs/modules#$env-static-private), except that it only includes environment variables that begin with [`config.kit.env.publicPrefix`](https://kit.svelte.dev/docs/configuration#env) (which defaults to `PUBLIC_`), and can therefore safely be exposed to client-side code. + * + * Values are replaced statically at build time. + * + * ```ts + * import { PUBLIC_BASE_URL } from '$env/static/public'; + * ``` + */ +declare module '$env/static/public' { + +} + +/** + * This module provides access to runtime environment variables, as defined by the platform you're running on. For example if you're using [`adapter-node`](https://github.com/sveltejs/kit/tree/main/packages/adapter-node) (or running [`vite preview`](https://kit.svelte.dev/docs/cli)), this is equivalent to `process.env`. This module only includes variables that _do not_ begin with [`config.kit.env.publicPrefix`](https://kit.svelte.dev/docs/configuration#env) _and do_ start with [`config.kit.env.privatePrefix`](https://kit.svelte.dev/docs/configuration#env) (if configured). + * + * This module cannot be imported into client-side code. + * + * Dynamic environment variables cannot be used during prerendering. + * + * ```ts + * import { env } from '$env/dynamic/private'; + * console.log(env.DEPLOYMENT_SPECIFIC_VARIABLE); + * ``` + * + * > In `dev`, `$env/dynamic` always includes environment variables from `.env`. In `prod`, this behavior will depend on your adapter. + */ +declare module '$env/dynamic/private' { + export const env: { + TAURI_ENV_PLATFORM: string; + npm_package_dependencies__tauri_apps_plugin_shell: string; + USER: string; + npm_config_user_agent: string; + npm_package_dependencies__tauri_apps_api: string; + FZF_DEFAULT_OPTS: string; + npm_package_devDependencies__sveltejs_vite_plugin_svelte: string; + npm_package_devDependencies_vite: string; + npm_node_execpath: string; + SHLVL: string; + ASDF_DIR: string; + HOME: string; + LESS: string; + OLDPWD: string; + ASDF_DEFAULT_TOOL_VERSIONS_FILENAME: string; + TERM_PROGRAM_VERSION: string; + LSCOLORS: string; + npm_package_dependencies_three: string; + npm_package_devDependencies__sveltejs_adapter_static: string; + FPATH: string; + PAGER: string; + npm_package_devDependencies_svelte_check: string; + npm_package_scripts_check: string; + npm_package_scripts_tauri: string; + P9K_TTY: string; + TAURI_ENV_TARGET_TRIPLE: string; + COLORTERM: string; + WSL_DISTRO_NAME: string; + npm_package_dependencies__sveltejs_kit: string; + npm_package_devDependencies_typescript: string; + WAYLAND_DISPLAY: string; + npm_package_scripts_dev: string; + LOGNAME: string; + npm_package_type: string; + npm_package_devDependencies__tauri_apps_cli: string; + NAME: string; + PULSE_SERVER: string; + WSL_INTEROP: string; + _P9K_SSH_TTY: string; + npm_package_private: string; + npm_config_registry: string; + TERM: string; + ASDF_CONFIG_FILE: string; + TAURI_ENV_DEBUG: string; + WASMTIME_HOME: string; + npm_config_node_gyp: string; + PATH: string; + NODE: string; + TAURI_ENV_PLATFORM_VERSION: string; + npm_package_name: string; + XDG_RUNTIME_DIR: string; + npm_package_dependencies__types_three: string; + npm_config_frozen_lockfile: string; + DISPLAY: string; + LANG: string; + MACOSX_DEPLOYMENT_TARGET: string; + TAURI_ENV_ARCH: string; + LS_COLORS: string; + TERM_PROGRAM: string; + npm_lifecycle_script: string; + npm_package_devDependencies__tsconfig_svelte: string; + NODE_PATH: string; + SHELL: string; + npm_package_version: string; + npm_lifecycle_event: string; + npm_package_scripts_build: string; + npm_package_dependencies__threlte_core: string; + npm_package_devDependencies_svelte: string; + npm_package_devDependencies_tslib: string; + P9K_SSH: string; + ASDF_DATA_DIR: string; + TAURI_ENV_FAMILY: string; + npm_package_dependencies__threlte_extras: string; + FZF_DEFAULT_COMMAND: string; + PWD: string; + npm_execpath: string; + _P9K_TTY: string; + npm_package_dependencies__threlte_flex: string; + PNPM_SCRIPT_SRC_DIR: string; + npm_package_devDependencies_internal_ip: string; + npm_package_devDependencies_vite_plugin_glsl: string; + npm_command: string; + npm_package_scripts_preview: string; + HOSTTYPE: string; + WSL2_GUI_APPS_ENABLED: string; + EDITOR: string; + INIT_CWD: string; + WSLENV: string; + NODE_ENV: string; + [key: `PUBLIC_${string}`]: undefined; + [key: `${string}`]: string | undefined; + } +} + +/** + * Similar to [`$env/dynamic/private`](https://kit.svelte.dev/docs/modules#$env-dynamic-private), but only includes variables that begin with [`config.kit.env.publicPrefix`](https://kit.svelte.dev/docs/configuration#env) (which defaults to `PUBLIC_`), and can therefore safely be exposed to client-side code. + * + * Note that public dynamic environment variables must all be sent from the server to the client, causing larger network requests — when possible, use `$env/static/public` instead. + * + * Dynamic environment variables cannot be used during prerendering. + * + * ```ts + * import { env } from '$env/dynamic/public'; + * console.log(env.PUBLIC_DEPLOYMENT_SPECIFIC_VARIABLE); + * ``` + */ +declare module '$env/dynamic/public' { + export const env: { + [key: `PUBLIC_${string}`]: string | undefined; + } +} diff --git a/frontend/.svelte-kit/generated/client-optimized/app.js b/frontend/.svelte-kit/generated/client-optimized/app.js new file mode 100644 index 0000000..fabbdee --- /dev/null +++ b/frontend/.svelte-kit/generated/client-optimized/app.js @@ -0,0 +1,21 @@ +export { matchers } from './matchers.js'; + +export const nodes = [ + () => import('./nodes/0'), + () => import('./nodes/1'), + () => import('./nodes/2') +]; + +export const server_loads = []; + +export const dictionary = { + "/": [2] + }; + +export const hooks = { + handleError: (({ error }) => { console.error(error) }), + + reroute: (() => {}) +}; + +export { default as root } from '../root.svelte'; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client-optimized/matchers.js b/frontend/.svelte-kit/generated/client-optimized/matchers.js new file mode 100644 index 0000000..f6bd30a --- /dev/null +++ b/frontend/.svelte-kit/generated/client-optimized/matchers.js @@ -0,0 +1 @@ +export const matchers = {}; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client-optimized/nodes/0.js b/frontend/.svelte-kit/generated/client-optimized/nodes/0.js new file mode 100644 index 0000000..b9b7d58 --- /dev/null +++ b/frontend/.svelte-kit/generated/client-optimized/nodes/0.js @@ -0,0 +1,3 @@ +import * as universal from "../../../../src/routes/+layout.ts"; +export { universal }; +export { default as component } from "../../../../../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/layout.svelte"; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client-optimized/nodes/1.js b/frontend/.svelte-kit/generated/client-optimized/nodes/1.js new file mode 100644 index 0000000..a1ab723 --- /dev/null +++ b/frontend/.svelte-kit/generated/client-optimized/nodes/1.js @@ -0,0 +1 @@ +export { default as component } from "../../../../../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/error.svelte"; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client-optimized/nodes/2.js b/frontend/.svelte-kit/generated/client-optimized/nodes/2.js new file mode 100644 index 0000000..1cb4f85 --- /dev/null +++ b/frontend/.svelte-kit/generated/client-optimized/nodes/2.js @@ -0,0 +1 @@ +export { default as component } from "../../../../src/routes/+page.svelte"; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client/app.js b/frontend/.svelte-kit/generated/client/app.js new file mode 100644 index 0000000..fabbdee --- /dev/null +++ b/frontend/.svelte-kit/generated/client/app.js @@ -0,0 +1,21 @@ +export { matchers } from './matchers.js'; + +export const nodes = [ + () => import('./nodes/0'), + () => import('./nodes/1'), + () => import('./nodes/2') +]; + +export const server_loads = []; + +export const dictionary = { + "/": [2] + }; + +export const hooks = { + handleError: (({ error }) => { console.error(error) }), + + reroute: (() => {}) +}; + +export { default as root } from '../root.svelte'; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client/matchers.js b/frontend/.svelte-kit/generated/client/matchers.js new file mode 100644 index 0000000..f6bd30a --- /dev/null +++ b/frontend/.svelte-kit/generated/client/matchers.js @@ -0,0 +1 @@ +export const matchers = {}; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client/nodes/0.js b/frontend/.svelte-kit/generated/client/nodes/0.js new file mode 100644 index 0000000..b2e56b2 --- /dev/null +++ b/frontend/.svelte-kit/generated/client/nodes/0.js @@ -0,0 +1,3 @@ +import * as universal from "../../../../src/routes/+layout.ts"; +export { universal }; +export { default as component } from "../../../../src/routes/+layout.svelte"; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client/nodes/1.js b/frontend/.svelte-kit/generated/client/nodes/1.js new file mode 100644 index 0000000..a1ab723 --- /dev/null +++ b/frontend/.svelte-kit/generated/client/nodes/1.js @@ -0,0 +1 @@ +export { default as component } from "../../../../../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/error.svelte"; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/client/nodes/2.js b/frontend/.svelte-kit/generated/client/nodes/2.js new file mode 100644 index 0000000..1cb4f85 --- /dev/null +++ b/frontend/.svelte-kit/generated/client/nodes/2.js @@ -0,0 +1 @@ +export { default as component } from "../../../../src/routes/+page.svelte"; \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/root.svelte b/frontend/.svelte-kit/generated/root.svelte new file mode 100644 index 0000000..1172dda --- /dev/null +++ b/frontend/.svelte-kit/generated/root.svelte @@ -0,0 +1,57 @@ + + + + +{#if constructors[1]} + + + +{:else} + +{/if} + +{#if mounted} +
+ {#if navigated} + {title} + {/if} +
+{/if} \ No newline at end of file diff --git a/frontend/.svelte-kit/generated/server/internal.js b/frontend/.svelte-kit/generated/server/internal.js new file mode 100644 index 0000000..71f77cf --- /dev/null +++ b/frontend/.svelte-kit/generated/server/internal.js @@ -0,0 +1,34 @@ + +import root from '../root.svelte'; +import { set_building, set_prerendering } from '__sveltekit/environment'; +import { set_assets } from '__sveltekit/paths'; +import { set_manifest, set_read_implementation } from '__sveltekit/server'; +import { set_private_env, set_public_env, set_safe_public_env } from '../../../../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/shared-server.js'; + +export const options = { + app_dir: "_app", + app_template_contains_nonce: false, + csp: {"mode":"auto","directives":{"upgrade-insecure-requests":false,"block-all-mixed-content":false},"reportOnly":{"upgrade-insecure-requests":false,"block-all-mixed-content":false}}, + csrf_check_origin: true, + embedded: false, + env_public_prefix: 'PUBLIC_', + env_private_prefix: '', + hooks: null, // added lazily, via `get_hooks` + preload_strategy: "modulepreload", + root, + service_worker: false, + templates: { + app: ({ head, body, assets, nonce, env }) => "\n\n\t\n\t\t\n\t\t\n\t\t\n\t\t" + head + "\n\t\n\t\n\t\t
" + body + "
\n\t\n\n", + error: ({ status, message }) => "\n\n\t\n\t\t\n\t\t" + message + "\n\n\t\t\n\t\n\t\n\t\t
\n\t\t\t" + status + "\n\t\t\t
\n\t\t\t\t

" + message + "

\n\t\t\t
\n\t\t
\n\t\n\n" + }, + version_hash: "42dd04" +}; + +export async function get_hooks() { + return { + + + }; +} + +export { set_assets, set_building, set_manifest, set_prerendering, set_private_env, set_public_env, set_read_implementation, set_safe_public_env }; diff --git a/frontend/.svelte-kit/non-ambient.d.ts b/frontend/.svelte-kit/non-ambient.d.ts new file mode 100644 index 0000000..46bd7fb --- /dev/null +++ b/frontend/.svelte-kit/non-ambient.d.ts @@ -0,0 +1,25 @@ + +// this file is generated — do not edit it + + +declare module "svelte/elements" { + export interface HTMLAttributes { + 'data-sveltekit-keepfocus'?: true | '' | 'off' | undefined | null; + 'data-sveltekit-noscroll'?: true | '' | 'off' | undefined | null; + 'data-sveltekit-preload-code'?: + | true + | '' + | 'eager' + | 'viewport' + | 'hover' + | 'tap' + | 'off' + | undefined + | null; + 'data-sveltekit-preload-data'?: true | '' | 'hover' | 'tap' | 'off' | undefined | null; + 'data-sveltekit-reload'?: true | '' | 'off' | undefined | null; + 'data-sveltekit-replacestate'?: true | '' | 'off' | undefined | null; + } +} + +export {}; diff --git a/frontend/.svelte-kit/output/client/.vite/manifest.json b/frontend/.svelte-kit/output/client/.vite/manifest.json new file mode 100644 index 0000000..7c55d61 --- /dev/null +++ b/frontend/.svelte-kit/output/client/.vite/manifest.json @@ -0,0 +1,81 @@ +{ + "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/client/entry.js": { + "file": "_app/immutable/entry/start.92os7lz4.js", + "src": "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/client/entry.js", + "isEntry": true, + "imports": [ + "_entry.DSCOgCkx.js" + ] + }, + ".svelte-kit/generated/client-optimized/app.js": { + "file": "_app/immutable/entry/app.1QiIHMmL.js", + "src": ".svelte-kit/generated/client-optimized/app.js", + "isEntry": true, + "imports": [ + "_scheduler.DQZw9iDR.js", + "_index.D-4GBzMI.js" + ], + "dynamicImports": [ + ".svelte-kit/generated/client-optimized/nodes/0.js", + ".svelte-kit/generated/client-optimized/nodes/1.js", + ".svelte-kit/generated/client-optimized/nodes/2.js" + ] + }, + ".svelte-kit/generated/client-optimized/nodes/0.js": { + "file": "_app/immutable/nodes/0.COd8Lg7a.js", + "src": ".svelte-kit/generated/client-optimized/nodes/0.js", + "isEntry": true, + "isDynamicEntry": true, + "imports": [ + "_scheduler.DQZw9iDR.js", + "_index.D-4GBzMI.js" + ] + }, + ".svelte-kit/generated/client-optimized/nodes/1.js": { + "file": "_app/immutable/nodes/1.CSd4wjwx.js", + "src": ".svelte-kit/generated/client-optimized/nodes/1.js", + "isEntry": true, + "isDynamicEntry": true, + "imports": [ + "_scheduler.DQZw9iDR.js", + "_index.D-4GBzMI.js", + "_entry.DSCOgCkx.js" + ] + }, + ".svelte-kit/generated/client-optimized/nodes/2.js": { + "file": "_app/immutable/nodes/2.Yb2uPOo9.js", + "src": ".svelte-kit/generated/client-optimized/nodes/2.js", + "isEntry": true, + "isDynamicEntry": true, + "imports": [ + "_scheduler.DQZw9iDR.js", + "_index.D-4GBzMI.js", + "_index.CtlmB4aM.js" + ], + "css": [ + "_app/immutable/assets/2.CkmNU14M.css" + ] + }, + "_entry.DSCOgCkx.js": { + "file": "_app/immutable/chunks/entry.DSCOgCkx.js", + "imports": [ + "_scheduler.DQZw9iDR.js", + "_index.CtlmB4aM.js" + ] + }, + "_index.CtlmB4aM.js": { + "file": "_app/immutable/chunks/index.CtlmB4aM.js", + "imports": [ + "_scheduler.DQZw9iDR.js" + ] + }, + "_index.D-4GBzMI.js": { + "file": "_app/immutable/chunks/index.D-4GBzMI.js", + "imports": [ + "_scheduler.DQZw9iDR.js" + ] + }, + "_scheduler.DQZw9iDR.js": { + "file": "_app/immutable/chunks/scheduler.DQZw9iDR.js" + } +} \ No newline at end of file diff --git a/frontend/.svelte-kit/output/client/_app/immutable/assets/2.CkmNU14M.css b/frontend/.svelte-kit/output/client/_app/immutable/assets/2.CkmNU14M.css new file mode 100644 index 0000000..79fad64 --- /dev/null +++ b/frontend/.svelte-kit/output/client/_app/immutable/assets/2.CkmNU14M.css @@ -0,0 +1 @@ +canvas.svelte-o3oskp{display:block}body{overflow:hidden}.wrapper.svelte-1hhwi3t{position:absolute;z-index:100;width:0px;height:0px;transform:scale(calc(var(--cz) * .1))}.node.svelte-1hhwi3t:hover{background:red}.node.svelte-1hhwi3t{position:absolute;border-radius:2px;user-select:none!important;-webkit-user-select:none;cursor:pointer;width:50px;height:20px;background:green;transform:translate(var(--nx),var(--ny))}div.svelte-1mpqyj7{height:100vh}body{margin:0;position:relative;width:100vw;height:100vh;background:#0d1320;background:linear-gradient(180deg,#0d1320,#080c15)} diff --git a/frontend/.svelte-kit/output/client/_app/immutable/assets/_page.CkmNU14M.css b/frontend/.svelte-kit/output/client/_app/immutable/assets/_page.CkmNU14M.css new file mode 100644 index 0000000..79fad64 --- /dev/null +++ b/frontend/.svelte-kit/output/client/_app/immutable/assets/_page.CkmNU14M.css @@ -0,0 +1 @@ +canvas.svelte-o3oskp{display:block}body{overflow:hidden}.wrapper.svelte-1hhwi3t{position:absolute;z-index:100;width:0px;height:0px;transform:scale(calc(var(--cz) * .1))}.node.svelte-1hhwi3t:hover{background:red}.node.svelte-1hhwi3t{position:absolute;border-radius:2px;user-select:none!important;-webkit-user-select:none;cursor:pointer;width:50px;height:20px;background:green;transform:translate(var(--nx),var(--ny))}div.svelte-1mpqyj7{height:100vh}body{margin:0;position:relative;width:100vw;height:100vh;background:#0d1320;background:linear-gradient(180deg,#0d1320,#080c15)} diff --git a/frontend/.svelte-kit/output/client/_app/immutable/chunks/entry.DSCOgCkx.js b/frontend/.svelte-kit/output/client/_app/immutable/chunks/entry.DSCOgCkx.js new file mode 100644 index 0000000..4878921 --- /dev/null +++ b/frontend/.svelte-kit/output/client/_app/immutable/chunks/entry.DSCOgCkx.js @@ -0,0 +1,3 @@ +import{t as re}from"./scheduler.DQZw9iDR.js";import{w as dt}from"./index.CtlmB4aM.js";new 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this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(pt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y;return t*t+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){const n=Math.cos(t),i=Math.sin(t),s=this.x-e.x,a=this.y-e.y;return this.x=s*n-a*i+e.x,this.y=s*i+a*n+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Ke{constructor(e,t,n,i,s,a,o,l,c){Ke.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],e!==void 0&&this.set(e,t,n,i,s,a,o,l,c)}set(e,t,n,i,s,a,o,l,c){const h=this.elements;return h[0]=e,h[1]=i,h[2]=o,h[3]=t,h[4]=s,h[5]=l,h[6]=n,h[7]=a,h[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],h=n[4],u=n[7],f=n[2],d=n[5],m=n[8],_=i[0],g=i[3],p=i[6],x=i[1],v=i[4],y=i[7],E=i[2],b=i[5],S=i[8];return s[0]=a*_+o*x+l*E,s[3]=a*g+o*v+l*b,s[6]=a*p+o*y+l*S,s[1]=c*_+h*x+u*E,s[4]=c*g+h*v+u*b,s[7]=c*p+h*y+u*S,s[2]=f*_+d*x+m*E,s[5]=f*g+d*v+m*b,s[8]=f*p+d*y+m*S,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8];return t*a*h-t*o*c-n*s*h+n*o*l+i*s*c-i*a*l}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8],u=h*a-o*c,f=o*l-h*s,d=c*s-a*l,m=t*u+n*f+i*d;if(m===0)return this.set(0,0,0,0,0,0,0,0,0);const _=1/m;return e[0]=u*_,e[1]=(i*c-h*n)*_,e[2]=(o*n-i*a)*_,e[3]=f*_,e[4]=(h*t-i*l)*_,e[5]=(i*s-o*t)*_,e[6]=d*_,e[7]=(n*l-c*t)*_,e[8]=(a*t-n*s)*_,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,i,s,a,o){const l=Math.cos(s),c=Math.sin(s);return this.set(n*l,n*c,-n*(l*a+c*o)+a+e,-i*c,i*l,-i*(-c*a+l*o)+o+t,0,0,1),this}scale(e,t){return this.premultiply(el.makeScale(e,t)),this}rotate(e){return this.premultiply(el.makeRotation(-e)),this}translate(e,t){return this.premultiply(el.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,n,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){const t=this.elements,n=e.elements;for(let i=0;i<9;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return new this.constructor().fromArray(this.elements)}}const el=new Ke;function Ud(r){for(let e=r.length-1;e>=0;--e)if(r[e]>=65535)return!0;return!1}const hg={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function Bs(r,e){return new hg[r](e)}function Ur(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}function Nd(){const r=Ur("canvas");return r.style.display="block",r}const Lh={};function _r(r){r in Lh||(Lh[r]=!0,console.warn(r))}const Ih=new Ke().set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),Dh=new Ke().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),na={[Gn]:{transfer:Pr,primaries:Lr,toReference:r=>r,fromReference:r=>r},[Ct]:{transfer:lt,primaries:Lr,toReference:r=>r.convertSRGBToLinear(),fromReference:r=>r.convertLinearToSRGB()},[Wr]:{transfer:Pr,primaries:Ir,toReference:r=>r.applyMatrix3(Dh),fromReference:r=>r.applyMatrix3(Ih)},[bo]:{transfer:lt,primaries:Ir,toReference:r=>r.convertSRGBToLinear().applyMatrix3(Dh),fromReference:r=>r.applyMatrix3(Ih).convertLinearToSRGB()}},ug=new Set([Gn,Wr]),it={enabled:!0,_workingColorSpace:Gn,get legacyMode(){return console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),!this.enabled},set legacyMode(r){console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),this.enabled=!r},get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(r){if(!ug.has(r))throw new Error(`Unsupported working color space, "${r}".`);this._workingColorSpace=r},convert:function(r,e,t){if(this.enabled===!1||e===t||!e||!t)return r;const n=na[e].toReference,i=na[t].fromReference;return i(n(r))},fromWorkingColorSpace:function(r,e){return this.convert(r,this._workingColorSpace,e)},toWorkingColorSpace:function(r,e){return this.convert(r,e,this._workingColorSpace)},getPrimaries:function(r){return na[r].primaries},getTransfer:function(r){return r===hn?Pr:na[r].transfer}};function Vs(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function tl(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}let _s;class qc{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{_s===void 0&&(_s=Ur("canvas")),_s.width=e.width,_s.height=e.height;const n=_s.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=_s}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}static sRGBToLinear(e){if(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){const t=Ur("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const i=n.getImageData(0,0,e.width,e.height),s=i.data;for(let a=0;a0&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==xo)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case Er:e.x=e.x-Math.floor(e.x);break;case Vt:e.x=e.x<0?0:1;break;case Tr:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case Er:e.y=e.y-Math.floor(e.y);break;case Vt:e.y=e.y<0?0:1;break;case Tr:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&(this.version++,this.source.needsUpdate=!0)}get encoding(){return _r("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===Ct?ui:Rr}set encoding(e){_r("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=e===ui?Ct:hn}}Et.DEFAULT_IMAGE=null;Et.DEFAULT_MAPPING=xo;Et.DEFAULT_ANISOTROPY=1;class rt{constructor(e=0,t=0,n=0,i=1){rt.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,s;const l=e.elements,c=l[0],h=l[4],u=l[8],f=l[1],d=l[5],m=l[9],_=l[2],g=l[6],p=l[10];if(Math.abs(h-f)<.01&&Math.abs(u-_)<.01&&Math.abs(m-g)<.01){if(Math.abs(h+f)<.1&&Math.abs(u+_)<.1&&Math.abs(m+g)<.1&&Math.abs(c+d+p-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const v=(c+1)/2,y=(d+1)/2,E=(p+1)/2,b=(h+f)/4,S=(u+_)/4,L=(m+g)/4;return v>y&&v>E?v<.01?(n=0,i=.707106781,s=.707106781):(n=Math.sqrt(v),i=b/n,s=S/n):y>E?y<.01?(n=.707106781,i=0,s=.707106781):(i=Math.sqrt(y),n=b/i,s=L/i):E<.01?(n=.707106781,i=.707106781,s=0):(s=Math.sqrt(E),n=S/s,i=L/s),this.set(n,i,s,t),this}let x=Math.sqrt((g-m)*(g-m)+(u-_)*(u-_)+(f-h)*(f-h));return Math.abs(x)<.001&&(x=1),this.x=(g-m)/x,this.y=(u-_)/x,this.z=(f-h)/x,this.w=Math.acos((c+d+p-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Od extends Xn{constructor(e=1,t=1,n={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new rt(0,0,e,t),this.scissorTest=!1,this.viewport=new rt(0,0,e,t);const i={width:e,height:t,depth:1};n.encoding!==void 0&&(_r("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===ui?Ct:hn),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:St,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0},n),this.texture=new Et(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=n.generateMipmaps,this.texture.internalFormat=n.internalFormat,this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new es(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Rn extends Od{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class So extends Et{constructor(e=null,t=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=bt,this.minFilter=bt,this.wrapR=Vt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class pg extends Rn{constructor(e=1,t=1,n=1,i={}){super(e,t,i),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new So(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class Yc extends Et{constructor(e=null,t=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=bt,this.minFilter=bt,this.wrapR=Vt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class mg extends Rn{constructor(e=1,t=1,n=1,i={}){super(e,t,i),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new Yc(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class gg extends Rn{constructor(e=1,t=1,n=1,i={}){super(e,t,i),this.isWebGLMultipleRenderTargets=!0;const s=this.texture;this.texture=[];for(let a=0;a=0?1:-1,v=1-p*p;if(v>Number.EPSILON){const E=Math.sqrt(v),b=Math.atan2(E,p*x);g=Math.sin(g*b)/E,o=Math.sin(o*b)/E}const y=o*x;if(l=l*g+f*y,c=c*g+d*y,h=h*g+m*y,u=u*g+_*y,g===1-o){const E=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=E,c*=E,h*=E,u*=E}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,i,s,a){const o=n[i],l=n[i+1],c=n[i+2],h=n[i+3],u=s[a],f=s[a+1],d=s[a+2],m=s[a+3];return e[t]=o*m+h*u+l*d-c*f,e[t+1]=l*m+h*f+c*u-o*d,e[t+2]=c*m+h*d+o*f-l*u,e[t+3]=h*m-o*u-l*f-c*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){const n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),h=o(i/2),u=o(s/2),f=l(n/2),d=l(i/2),m=l(s/2);switch(a){case"XYZ":this._x=f*h*u+c*d*m,this._y=c*d*u-f*h*m,this._z=c*h*m+f*d*u,this._w=c*h*u-f*d*m;break;case"YXZ":this._x=f*h*u+c*d*m,this._y=c*d*u-f*h*m,this._z=c*h*m-f*d*u,this._w=c*h*u+f*d*m;break;case"ZXY":this._x=f*h*u-c*d*m,this._y=c*d*u+f*h*m,this._z=c*h*m+f*d*u,this._w=c*h*u-f*d*m;break;case"ZYX":this._x=f*h*u-c*d*m,this._y=c*d*u+f*h*m,this._z=c*h*m-f*d*u,this._w=c*h*u+f*d*m;break;case"YZX":this._x=f*h*u+c*d*m,this._y=c*d*u+f*h*m,this._z=c*h*m-f*d*u,this._w=c*h*u-f*d*m;break;case"XZY":this._x=f*h*u-c*d*m,this._y=c*d*u-f*h*m,this._z=c*h*m+f*d*u,this._w=c*h*u+f*d*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],h=t[6],u=t[10],f=n+o+u;if(f>0){const d=.5/Math.sqrt(f+1);this._w=.25/d,this._x=(h-l)*d,this._y=(s-c)*d,this._z=(a-i)*d}else if(n>o&&n>u){const d=2*Math.sqrt(1+n-o-u);this._w=(h-l)/d,this._x=.25*d,this._y=(i+a)/d,this._z=(s+c)/d}else if(o>u){const d=2*Math.sqrt(1+o-n-u);this._w=(s-c)/d,this._x=(i+a)/d,this._y=.25*d,this._z=(l+h)/d}else{const d=2*Math.sqrt(1+u-n-o);this._w=(a-i)/d,this._x=(s+c)/d,this._y=(l+h)/d,this._z=.25*d}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return nMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(pt(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(n===0)return this;const i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,i=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,h=t._w;return this._x=n*h+a*o+i*c-s*l,this._y=i*h+a*l+s*o-n*c,this._z=s*h+a*c+n*l-i*o,this._w=a*h-n*o-i*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const n=this._x,i=this._y,s=this._z,a=this._w;let o=a*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;const l=1-o*o;if(l<=Number.EPSILON){const d=1-t;return this._w=d*a+t*this._w,this._x=d*n+t*this._x,this._y=d*i+t*this._y,this._z=d*s+t*this._z,this.normalize(),this._onChangeCallback(),this}const c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,f=Math.sin(t*h)/c;return this._w=a*u+this._w*f,this._x=n*u+this._x*f,this._y=i*u+this._y*f,this._z=s*u+this._z*f,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class C{constructor(e=0,t=0,n=0){C.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(Uh.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Uh.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*i,this.y=s[1]*t+s[4]*n+s[7]*i,this.z=s[2]*t+s[5]*n+s[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,s=e.elements,a=1/(s[3]*t+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*i+s[12])*a,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=2*(a*i-o*n),h=2*(o*t-s*i),u=2*(s*n-a*t);return this.x=t+l*c+a*u-o*h,this.y=n+l*h+o*c-s*u,this.z=i+l*u+s*h-a*c,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,i=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return il.copy(this).projectOnVector(e),this.sub(il)}reflect(e){return this.sub(il.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(pt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const il=new C,Uh=new Ht;class jt{constructor(e=new C(1/0,1/0,1/0),t=new C(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Mn),Mn.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(tr),sa.subVectors(this.max,tr),vs.subVectors(e.a,tr),xs.subVectors(e.b,tr),ys.subVectors(e.c,tr),gi.subVectors(xs,vs),_i.subVectors(ys,xs),Fi.subVectors(vs,ys);let t=[0,-gi.z,gi.y,0,-_i.z,_i.y,0,-Fi.z,Fi.y,gi.z,0,-gi.x,_i.z,0,-_i.x,Fi.z,0,-Fi.x,-gi.y,gi.x,0,-_i.y,_i.x,0,-Fi.y,Fi.x,0];return!sl(t,vs,xs,ys,sa)||(t=[1,0,0,0,1,0,0,0,1],!sl(t,vs,xs,ys,sa))?!1:(ra.crossVectors(gi,_i),t=[ra.x,ra.y,ra.z],sl(t,vs,xs,ys,sa))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Mn).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Mn).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Zn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Zn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Zn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Zn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Zn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Zn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Zn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Zn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Zn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Zn=[new C,new C,new C,new C,new C,new C,new C,new C],Mn=new C,ia=new jt,vs=new C,xs=new C,ys=new C,gi=new C,_i=new C,Fi=new C,tr=new C,sa=new C,ra=new C,Bi=new C;function sl(r,e,t,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){Bi.fromArray(r,s);const o=i.x*Math.abs(Bi.x)+i.y*Math.abs(Bi.y)+i.z*Math.abs(Bi.z),l=e.dot(Bi),c=t.dot(Bi),h=n.dot(Bi);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}const _g=new jt,nr=new C,rl=new C;class Gt{constructor(e=new C,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;t!==void 0?n.copy(t):_g.setFromPoints(e).getCenter(n);let i=0;for(let s=0,a=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;nr.subVectors(e,this.center);const t=nr.lengthSq();if(t>this.radius*this.radius){const n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.addScaledVector(nr,i/n),this.radius+=i}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(rl.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(nr.copy(e.center).add(rl)),this.expandByPoint(nr.copy(e.center).sub(rl))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}const Kn=new C,al=new C,aa=new C,vi=new C,ol=new C,oa=new C,ll=new C;class ds{constructor(e=new C,t=new C(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Kn)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=Kn.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Kn.copy(this.origin).addScaledVector(this.direction,t),Kn.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){al.copy(e).add(t).multiplyScalar(.5),aa.copy(t).sub(e).normalize(),vi.copy(this.origin).sub(al);const s=e.distanceTo(t)*.5,a=-this.direction.dot(aa),o=vi.dot(this.direction),l=-vi.dot(aa),c=vi.lengthSq(),h=Math.abs(1-a*a);let u,f,d,m;if(h>0)if(u=a*l-o,f=a*o-l,m=s*h,u>=0)if(f>=-m)if(f<=m){const _=1/h;u*=_,f*=_,d=u*(u+a*f+2*o)+f*(a*u+f+2*l)+c}else f=s,u=Math.max(0,-(a*f+o)),d=-u*u+f*(f+2*l)+c;else f=-s,u=Math.max(0,-(a*f+o)),d=-u*u+f*(f+2*l)+c;else f<=-m?(u=Math.max(0,-(-a*s+o)),f=u>0?-s:Math.min(Math.max(-s,-l),s),d=-u*u+f*(f+2*l)+c):f<=m?(u=0,f=Math.min(Math.max(-s,-l),s),d=f*(f+2*l)+c):(u=Math.max(0,-(a*s+o)),f=u>0?s:Math.min(Math.max(-s,-l),s),d=-u*u+f*(f+2*l)+c);else f=a>0?-s:s,u=Math.max(0,-(a*f+o)),d=-u*u+f*(f+2*l)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,u),i&&i.copy(al).addScaledVector(aa,f),d}intersectSphere(e,t){Kn.subVectors(e.center,this.origin);const n=Kn.dot(this.direction),i=Kn.dot(Kn)-n*n,s=e.radius*e.radius;if(i>s)return null;const a=Math.sqrt(s-i),o=n-a,l=n+a;return l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,i,s,a,o,l;const c=1/this.direction.x,h=1/this.direction.y,u=1/this.direction.z,f=this.origin;return c>=0?(n=(e.min.x-f.x)*c,i=(e.max.x-f.x)*c):(n=(e.max.x-f.x)*c,i=(e.min.x-f.x)*c),h>=0?(s=(e.min.y-f.y)*h,a=(e.max.y-f.y)*h):(s=(e.max.y-f.y)*h,a=(e.min.y-f.y)*h),n>a||s>i||((s>n||isNaN(n))&&(n=s),(a=0?(o=(e.min.z-f.z)*u,l=(e.max.z-f.z)*u):(o=(e.max.z-f.z)*u,l=(e.min.z-f.z)*u),n>l||o>i)||((o>n||n!==n)&&(n=o),(l=0?n:i,t)}intersectsBox(e){return this.intersectBox(e,Kn)!==null}intersectTriangle(e,t,n,i,s){ol.subVectors(t,e),oa.subVectors(n,e),ll.crossVectors(ol,oa);let a=this.direction.dot(ll),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;vi.subVectors(this.origin,e);const l=o*this.direction.dot(oa.crossVectors(vi,oa));if(l<0)return null;const c=o*this.direction.dot(ol.cross(vi));if(c<0||l+c>a)return null;const h=-o*vi.dot(ll);return h<0?null:this.at(h/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class Ve{constructor(e,t,n,i,s,a,o,l,c,h,u,f,d,m,_,g){Ve.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==void 0&&this.set(e,t,n,i,s,a,o,l,c,h,u,f,d,m,_,g)}set(e,t,n,i,s,a,o,l,c,h,u,f,d,m,_,g){const p=this.elements;return p[0]=e,p[4]=t,p[8]=n,p[12]=i,p[1]=s,p[5]=a,p[9]=o,p[13]=l,p[2]=c,p[6]=h,p[10]=u,p[14]=f,p[3]=d,p[7]=m,p[11]=_,p[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new Ve().fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,i=1/Ms.setFromMatrixColumn(e,0).length(),s=1/Ms.setFromMatrixColumn(e,1).length(),a=1/Ms.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*s,t[5]=n[5]*s,t[6]=n[6]*s,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,n=e.x,i=e.y,s=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),h=Math.cos(s),u=Math.sin(s);if(e.order==="XYZ"){const f=a*h,d=a*u,m=o*h,_=o*u;t[0]=l*h,t[4]=-l*u,t[8]=c,t[1]=d+m*c,t[5]=f-_*c,t[9]=-o*l,t[2]=_-f*c,t[6]=m+d*c,t[10]=a*l}else if(e.order==="YXZ"){const f=l*h,d=l*u,m=c*h,_=c*u;t[0]=f+_*o,t[4]=m*o-d,t[8]=a*c,t[1]=a*u,t[5]=a*h,t[9]=-o,t[2]=d*o-m,t[6]=_+f*o,t[10]=a*l}else if(e.order==="ZXY"){const f=l*h,d=l*u,m=c*h,_=c*u;t[0]=f-_*o,t[4]=-a*u,t[8]=m+d*o,t[1]=d+m*o,t[5]=a*h,t[9]=_-f*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){const f=a*h,d=a*u,m=o*h,_=o*u;t[0]=l*h,t[4]=m*c-d,t[8]=f*c+_,t[1]=l*u,t[5]=_*c+f,t[9]=d*c-m,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){const f=a*l,d=a*c,m=o*l,_=o*c;t[0]=l*h,t[4]=_-f*u,t[8]=m*u+d,t[1]=u,t[5]=a*h,t[9]=-o*h,t[2]=-c*h,t[6]=d*u+m,t[10]=f-_*u}else if(e.order==="XZY"){const f=a*l,d=a*c,m=o*l,_=o*c;t[0]=l*h,t[4]=-u,t[8]=c*h,t[1]=f*u+_,t[5]=a*h,t[9]=d*u-m,t[2]=m*u-d,t[6]=o*h,t[10]=_*u+f}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(vg,e,xg)}lookAt(e,t,n){const i=this.elements;return on.subVectors(e,t),on.lengthSq()===0&&(on.z=1),on.normalize(),xi.crossVectors(n,on),xi.lengthSq()===0&&(Math.abs(n.z)===1?on.x+=1e-4:on.z+=1e-4,on.normalize(),xi.crossVectors(n,on)),xi.normalize(),la.crossVectors(on,xi),i[0]=xi.x,i[4]=la.x,i[8]=on.x,i[1]=xi.y,i[5]=la.y,i[9]=on.y,i[2]=xi.z,i[6]=la.z,i[10]=on.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],h=n[1],u=n[5],f=n[9],d=n[13],m=n[2],_=n[6],g=n[10],p=n[14],x=n[3],v=n[7],y=n[11],E=n[15],b=i[0],S=i[4],L=i[8],M=i[12],A=i[1],U=i[5],z=i[9],K=i[13],D=i[2],F=i[6],J=i[10],X=i[14],re=i[3],j=i[7],te=i[11],ie=i[15];return s[0]=a*b+o*A+l*D+c*re,s[4]=a*S+o*U+l*F+c*j,s[8]=a*L+o*z+l*J+c*te,s[12]=a*M+o*K+l*X+c*ie,s[1]=h*b+u*A+f*D+d*re,s[5]=h*S+u*U+f*F+d*j,s[9]=h*L+u*z+f*J+d*te,s[13]=h*M+u*K+f*X+d*ie,s[2]=m*b+_*A+g*D+p*re,s[6]=m*S+_*U+g*F+p*j,s[10]=m*L+_*z+g*J+p*te,s[14]=m*M+_*K+g*X+p*ie,s[3]=x*b+v*A+y*D+E*re,s[7]=x*S+v*U+y*F+E*j,s[11]=x*L+v*z+y*J+E*te,s[15]=x*M+v*K+y*X+E*ie,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[4],i=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],h=e[2],u=e[6],f=e[10],d=e[14],m=e[3],_=e[7],g=e[11],p=e[15];return m*(+s*l*u-i*c*u-s*o*f+n*c*f+i*o*d-n*l*d)+_*(+t*l*d-t*c*f+s*a*f-i*a*d+i*c*h-s*l*h)+g*(+t*c*u-t*o*d-s*a*u+n*a*d+s*o*h-n*c*h)+p*(-i*o*h-t*l*u+t*o*f+i*a*u-n*a*f+n*l*h)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8],u=e[9],f=e[10],d=e[11],m=e[12],_=e[13],g=e[14],p=e[15],x=u*g*c-_*f*c+_*l*d-o*g*d-u*l*p+o*f*p,v=m*f*c-h*g*c-m*l*d+a*g*d+h*l*p-a*f*p,y=h*_*c-m*u*c+m*o*d-a*_*d-h*o*p+a*u*p,E=m*u*l-h*_*l-m*o*f+a*_*f+h*o*g-a*u*g,b=t*x+n*v+i*y+s*E;if(b===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/b;return e[0]=x*S,e[1]=(_*f*s-u*g*s-_*i*d+n*g*d+u*i*p-n*f*p)*S,e[2]=(o*g*s-_*l*s+_*i*c-n*g*c-o*i*p+n*l*p)*S,e[3]=(u*l*s-o*f*s-u*i*c+n*f*c+o*i*d-n*l*d)*S,e[4]=v*S,e[5]=(h*g*s-m*f*s+m*i*d-t*g*d-h*i*p+t*f*p)*S,e[6]=(m*l*s-a*g*s-m*i*c+t*g*c+a*i*p-t*l*p)*S,e[7]=(a*f*s-h*l*s+h*i*c-t*f*c-a*i*d+t*l*d)*S,e[8]=y*S,e[9]=(m*u*s-h*_*s-m*n*d+t*_*d+h*n*p-t*u*p)*S,e[10]=(a*_*s-m*o*s+m*n*c-t*_*c-a*n*p+t*o*p)*S,e[11]=(h*o*s-a*u*s-h*n*c+t*u*c+a*n*d-t*o*d)*S,e[12]=E*S,e[13]=(h*_*i-m*u*i+m*n*f-t*_*f-h*n*g+t*u*g)*S,e[14]=(m*o*i-a*_*i-m*n*l+t*_*l+a*n*g-t*o*g)*S,e[15]=(a*u*i-h*o*i+h*n*l-t*u*l-a*n*f+t*o*f)*S,this}scale(e){const t=this.elements,n=e.x,i=e.y,s=e.z;return t[0]*=n,t[4]*=i,t[8]*=s,t[1]*=n,t[5]*=i,t[9]*=s,t[2]*=n,t[6]*=i,t[10]*=s,t[3]*=n,t[7]*=i,t[11]*=s,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),i=Math.sin(t),s=1-n,a=e.x,o=e.y,l=e.z,c=s*a,h=s*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,h*o+n,h*l-i*a,0,c*l-i*o,h*l+i*a,s*l*l+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,s,a){return this.set(1,n,s,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){const i=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,h=a+a,u=o+o,f=s*c,d=s*h,m=s*u,_=a*h,g=a*u,p=o*u,x=l*c,v=l*h,y=l*u,E=n.x,b=n.y,S=n.z;return i[0]=(1-(_+p))*E,i[1]=(d+y)*E,i[2]=(m-v)*E,i[3]=0,i[4]=(d-y)*b,i[5]=(1-(f+p))*b,i[6]=(g+x)*b,i[7]=0,i[8]=(m+v)*S,i[9]=(g-x)*S,i[10]=(1-(f+_))*S,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){const i=this.elements;let s=Ms.set(i[0],i[1],i[2]).length();const a=Ms.set(i[4],i[5],i[6]).length(),o=Ms.set(i[8],i[9],i[10]).length();this.determinant()<0&&(s=-s),e.x=i[12],e.y=i[13],e.z=i[14],bn.copy(this);const c=1/s,h=1/a,u=1/o;return bn.elements[0]*=c,bn.elements[1]*=c,bn.elements[2]*=c,bn.elements[4]*=h,bn.elements[5]*=h,bn.elements[6]*=h,bn.elements[8]*=u,bn.elements[9]*=u,bn.elements[10]*=u,t.setFromRotationMatrix(bn),n.x=s,n.y=a,n.z=o,this}makePerspective(e,t,n,i,s,a,o=Cn){const l=this.elements,c=2*s/(t-e),h=2*s/(n-i),u=(t+e)/(t-e),f=(n+i)/(n-i);let d,m;if(o===Cn)d=-(a+s)/(a-s),m=-2*a*s/(a-s);else if(o===Ws)d=-a/(a-s),m=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return l[0]=c,l[4]=0,l[8]=u,l[12]=0,l[1]=0,l[5]=h,l[9]=f,l[13]=0,l[2]=0,l[6]=0,l[10]=d,l[14]=m,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(e,t,n,i,s,a,o=Cn){const l=this.elements,c=1/(t-e),h=1/(n-i),u=1/(a-s),f=(t+e)*c,d=(n+i)*h;let m,_;if(o===Cn)m=(a+s)*u,_=-2*u;else if(o===Ws)m=s*u,_=-1*u;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-f,l[1]=0,l[5]=2*h,l[9]=0,l[13]=-d,l[2]=0,l[6]=0,l[10]=_,l[14]=-m,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}const Ms=new C,bn=new Ve,vg=new C(0,0,0),xg=new C(1,1,1),xi=new C,la=new C,on=new C,Nh=new Ve,Oh=new Ht;class Xr{constructor(e=0,t=0,n=0,i=Xr.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=n,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){const i=e.elements,s=i[0],a=i[4],o=i[8],l=i[1],c=i[5],h=i[9],u=i[2],f=i[6],d=i[10];switch(t){case"XYZ":this._y=Math.asin(pt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,d),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(f,c),this._z=0);break;case"YXZ":this._x=Math.asin(-pt(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(o,d),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,s),this._z=0);break;case"ZXY":this._x=Math.asin(pt(f,-1,1)),Math.abs(f)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-pt(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(f,d),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(pt(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,s)):(this._x=0,this._y=Math.atan2(o,d));break;case"XZY":this._z=Math.asin(-pt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(f,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-h,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return Nh.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Nh,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Oh.setFromEuler(this),this.setFromQuaternion(Oh,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}Xr.DEFAULT_ORDER="XYZ";class Eo{constructor(){this.mask=1}set(e){this.mask=(1<>>0}enable(e){this.mask|=1<1){for(let t=0;t1){for(let n=0;n0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map(o=>({boxInitialized:o.boxInitialized,boxMin:o.box.min.toArray(),boxMax:o.box.max.toArray(),sphereInitialized:o.sphereInitialized,sphereRadius:o.sphere.radius,sphereCenter:o.sphere.center.toArray()})),i.maxGeometryCount=this._maxGeometryCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(e),this.boundingSphere!==null&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),this.boundingBox!==null&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()}));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(i.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=s(e.geometries,this.geometry);const o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){const l=o.shapes;if(Array.isArray(l))for(let c=0,h=l.length;c0){i.children=[];for(let o=0;o0){i.animations=[];for(let o=0;o0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),h.length>0&&(n.images=h),u.length>0&&(n.shapes=u),f.length>0&&(n.skeletons=f),d.length>0&&(n.animations=d),m.length>0&&(n.nodes=m)}return n.object=i,n;function a(o){const l=[];for(const c in o){const h=o[c];delete h.metadata,l.push(h)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n0?i.multiplyScalar(1/Math.sqrt(s)):i.set(0,0,0)}static getBarycoord(e,t,n,i,s){Sn.subVectors(i,t),jn.subVectors(n,t),cl.subVectors(e,t);const a=Sn.dot(Sn),o=Sn.dot(jn),l=Sn.dot(cl),c=jn.dot(jn),h=jn.dot(cl),u=a*c-o*o;if(u===0)return s.set(-2,-1,-1);const f=1/u,d=(c*l-o*h)*f,m=(a*h-o*l)*f;return s.set(1-d-m,m,d)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,Qn),Qn.x>=0&&Qn.y>=0&&Qn.x+Qn.y<=1}static getUV(e,t,n,i,s,a,o,l){return ha===!1&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),ha=!0),this.getInterpolation(e,t,n,i,s,a,o,l)}static getInterpolation(e,t,n,i,s,a,o,l){return this.getBarycoord(e,t,n,i,Qn),l.setScalar(0),l.addScaledVector(s,Qn.x),l.addScaledVector(a,Qn.y),l.addScaledVector(o,Qn.z),l}static isFrontFacing(e,t,n,i){return Sn.subVectors(n,t),jn.subVectors(e,t),Sn.cross(jn).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}setFromAttributeAndIndices(e,t,n,i){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Sn.subVectors(this.c,this.b),jn.subVectors(this.a,this.b),Sn.cross(jn).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return tn.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return tn.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,s){return ha===!1&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),ha=!0),tn.getInterpolation(e,this.a,this.b,this.c,t,n,i,s)}getInterpolation(e,t,n,i,s){return tn.getInterpolation(e,this.a,this.b,this.c,t,n,i,s)}containsPoint(e){return tn.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return tn.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const n=this.a,i=this.b,s=this.c;let a,o;Ss.subVectors(i,n),Es.subVectors(s,n),hl.subVectors(e,n);const l=Ss.dot(hl),c=Es.dot(hl);if(l<=0&&c<=0)return t.copy(n);ul.subVectors(e,i);const h=Ss.dot(ul),u=Es.dot(ul);if(h>=0&&u<=h)return t.copy(i);const f=l*u-h*c;if(f<=0&&l>=0&&h<=0)return a=l/(l-h),t.copy(n).addScaledVector(Ss,a);fl.subVectors(e,s);const d=Ss.dot(fl),m=Es.dot(fl);if(m>=0&&d<=m)return t.copy(s);const _=d*c-l*m;if(_<=0&&c>=0&&m<=0)return o=c/(c-m),t.copy(n).addScaledVector(Es,o);const g=h*m-d*u;if(g<=0&&u-h>=0&&d-m>=0)return Vh.subVectors(s,i),o=(u-h)/(u-h+(d-m)),t.copy(i).addScaledVector(Vh,o);const p=1/(g+_+f);return a=_*p,o=f*p,t.copy(n).addScaledVector(Ss,a).addScaledVector(Es,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}const Fd={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},yi={h:0,s:0,l:0},ua={h:0,s:0,l:0};function dl(r,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?r+(e-r)*6*t:t<1/2?e:t<2/3?r+(e-r)*6*(2/3-t):r}class ye{constructor(e,t,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,n)}set(e,t,n){if(t===void 0&&n===void 0){const i=e;i&&i.isColor?this.copy(i):typeof i=="number"?this.setHex(i):typeof i=="string"&&this.setStyle(i)}else this.setRGB(e,t,n);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Ct){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,it.toWorkingColorSpace(this,t),this}setRGB(e,t,n,i=it.workingColorSpace){return this.r=e,this.g=t,this.b=n,it.toWorkingColorSpace(this,i),this}setHSL(e,t,n,i=it.workingColorSpace){if(e=Xc(e,1),t=pt(t,0,1),n=pt(n,0,1),t===0)this.r=this.g=this.b=n;else{const s=n<=.5?n*(1+t):n+t-n*t,a=2*n-s;this.r=dl(a,s,e+1/3),this.g=dl(a,s,e),this.b=dl(a,s,e-1/3)}return it.toWorkingColorSpace(this,i),this}setStyle(e,t=Ct){function n(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(e)){let s;const a=i[1],o=i[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,t);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,t);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(e)){const s=i[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(a===6)return this.setHex(parseInt(s,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=Ct){const n=Fd[e.toLowerCase()];return n!==void 0?this.setHex(n,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=Vs(e.r),this.g=Vs(e.g),this.b=Vs(e.b),this}copyLinearToSRGB(e){return this.r=tl(e.r),this.g=tl(e.g),this.b=tl(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Ct){return it.fromWorkingColorSpace(Bt.copy(this),e),Math.round(pt(Bt.r*255,0,255))*65536+Math.round(pt(Bt.g*255,0,255))*256+Math.round(pt(Bt.b*255,0,255))}getHexString(e=Ct){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=it.workingColorSpace){it.fromWorkingColorSpace(Bt.copy(this),t);const n=Bt.r,i=Bt.g,s=Bt.b,a=Math.max(n,i,s),o=Math.min(n,i,s);let l,c;const h=(o+a)/2;if(o===a)l=0,c=0;else{const u=a-o;switch(c=h<=.5?u/(a+o):u/(2-a-o),a){case n:l=(i-s)/u+(i0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(const t in e){const n=e[t];if(n===void 0){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}const i=this[t];if(i===void 0){console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`);continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n}}toJSON(e){const t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.iridescence!==void 0&&(n.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(n.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==void 0&&(n.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==is&&(n.blending=this.blending),this.side!==fi&&(n.side=this.side),this.vertexColors===!0&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.transparent===!0&&(n.transparent=!0),this.blendSrc!==oo&&(n.blendSrc=this.blendSrc),this.blendDst!==lo&&(n.blendDst=this.blendDst),this.blendEquation!==Ei&&(n.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(n.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(n.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(n.blendAlpha=this.blendAlpha),this.depthFunc!==Mr&&(n.depthFunc=this.depthFunc),this.depthTest===!1&&(n.depthTest=this.depthTest),this.depthWrite===!1&&(n.depthWrite=this.depthWrite),this.colorWrite===!1&&(n.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(n.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==yc&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Ki&&(n.stencilFail=this.stencilFail),this.stencilZFail!==Ki&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==Ki&&(n.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(n.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaHash===!0&&(n.alphaHash=!0),this.alphaToCoverage===!0&&(n.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=!0),this.forceSinglePass===!0&&(n.forceSinglePass=!0),this.wireframe===!0&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=!0),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),this.fog===!1&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData);function i(s){const a=[];for(const o in s){const l=s[o];delete l.metadata,a.push(l)}return a}if(t){const s=i(e.textures),a=i(e.images);s.length>0&&(n.textures=s),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(t!==null){const i=t.length;n=new Array(i);for(let s=0;s!==i;++s)n[s]=t[s].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}}class Ii extends Xt{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new ye(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=Gr,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}const ti=wg();function wg(){const r=new ArrayBuffer(4),e=new Float32Array(r),t=new Uint32Array(r),n=new Uint32Array(512),i=new Uint32Array(512);for(let l=0;l<256;++l){const c=l-127;c<-27?(n[l]=0,n[l|256]=32768,i[l]=24,i[l|256]=24):c<-14?(n[l]=1024>>-c-14,n[l|256]=1024>>-c-14|32768,i[l]=-c-1,i[l|256]=-c-1):c<=15?(n[l]=c+15<<10,n[l|256]=c+15<<10|32768,i[l]=13,i[l|256]=13):c<128?(n[l]=31744,n[l|256]=64512,i[l]=24,i[l|256]=24):(n[l]=31744,n[l|256]=64512,i[l]=13,i[l|256]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let l=1;l<1024;++l){let c=l<<13,h=0;for(;!(c&8388608);)c<<=1,h-=8388608;c&=-8388609,h+=947912704,s[l]=c|h}for(let l=1024;l<2048;++l)s[l]=939524096+(l-1024<<13);for(let l=1;l<31;++l)a[l]=l<<23;a[31]=1199570944,a[32]=2147483648;for(let l=33;l<63;++l)a[l]=2147483648+(l-32<<23);a[63]=3347054592;for(let l=1;l<64;++l)l!==32&&(o[l]=1024);return{floatView:e,uint32View:t,baseTable:n,shiftTable:i,mantissaTable:s,exponentTable:a,offsetTable:o}}function en(r){Math.abs(r)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),r=pt(r,-65504,65504),ti.floatView[0]=r;const e=ti.uint32View[0],t=e>>23&511;return ti.baseTable[t]+((e&8388607)>>ti.shiftTable[t])}function dr(r){const e=r>>10;return ti.uint32View[0]=ti.mantissaTable[ti.offsetTable[e]+(r&1023)]+ti.exponentTable[e],ti.floatView[0]}const Ag={toHalfFloat:en,fromHalfFloat:dr},Tt=new C,fa=new q;class et{constructor(e,t,n=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=n,this.usage=Dr,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=An,this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}get updateRange(){return console.warn('THREE.BufferAttribute: "updateRange" is deprecated and removed in r169. Use "addUpdateRange()" instead.'),this._updateRange}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this.gpuType=e.gpuType,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let i=0,s=this.itemSize;i0&&(e.userData=this.userData),this.parameters!==void 0){const l=this.parameters;for(const c in l)l[c]!==void 0&&(e[c]=l[c]);return e}e.data={attributes:{}};const t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const l in n){const c=n[l];e.data.attributes[l]=c.toJSON(e.data)}const i={};let s=!1;for(const l in this.morphAttributes){const c=this.morphAttributes[l],h=[];for(let u=0,f=c.length;u0&&(i[l]=h,s=!0)}s&&(e.data.morphAttributes=i,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return o!==null&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;n!==null&&this.setIndex(n.clone(t));const i=e.attributes;for(const c in i){const h=i[c];this.setAttribute(c,h.clone(t))}const s=e.morphAttributes;for(const c in s){const h=[],u=s[c];for(let f=0,d=u.length;f0){const i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=i.length;s(e.far-e.near)**2))&&(Hh.copy(s).invert(),zi.copy(e.ray).applyMatrix4(Hh),!(n.boundingBox!==null&&zi.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(e,t,zi)))}_computeIntersections(e,t,n){let i;const s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,h=s.attributes.uv1,u=s.attributes.normal,f=s.groups,d=s.drawRange;if(o!==null)if(Array.isArray(a))for(let m=0,_=f.length;m<_;m++){const g=f[m],p=a[g.materialIndex],x=Math.max(g.start,d.start),v=Math.min(o.count,Math.min(g.start+g.count,d.start+d.count));for(let y=x,E=v;yt.far?null:{distance:c,point:xa.clone(),object:r}}function ya(r,e,t,n,i,s,a,o,l,c){r.getVertexPosition(o,ws),r.getVertexPosition(l,As),r.getVertexPosition(c,Cs);const h=Og(r,e,t,n,ws,As,Cs,va);if(h){i&&(ma.fromBufferAttribute(i,o),ga.fromBufferAttribute(i,l),_a.fromBufferAttribute(i,c),h.uv=tn.getInterpolation(va,ws,As,Cs,ma,ga,_a,new q)),s&&(ma.fromBufferAttribute(s,o),ga.fromBufferAttribute(s,l),_a.fromBufferAttribute(s,c),h.uv1=tn.getInterpolation(va,ws,As,Cs,ma,ga,_a,new q),h.uv2=h.uv1),a&&(Wh.fromBufferAttribute(a,o),Xh.fromBufferAttribute(a,l),qh.fromBufferAttribute(a,c),h.normal=tn.getInterpolation(va,ws,As,Cs,Wh,Xh,qh,new C),h.normal.dot(n.direction)>0&&h.normal.multiplyScalar(-1));const u={a:o,b:l,c,normal:new C,materialIndex:0};tn.getNormal(ws,As,Cs,u.normal),h.face=u}return h}class ps extends Ye{constructor(e=1,t=1,n=1,i=1,s=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:i,heightSegments:s,depthSegments:a};const o=this;i=Math.floor(i),s=Math.floor(s),a=Math.floor(a);const l=[],c=[],h=[],u=[];let f=0,d=0;m("z","y","x",-1,-1,n,t,e,a,s,0),m("z","y","x",1,-1,n,t,-e,a,s,1),m("x","z","y",1,1,e,n,t,i,a,2),m("x","z","y",1,-1,e,n,-t,i,a,3),m("x","y","z",1,-1,e,t,n,i,s,4),m("x","y","z",-1,-1,e,t,-n,i,s,5),this.setIndex(l),this.setAttribute("position",new we(c,3)),this.setAttribute("normal",new we(h,3)),this.setAttribute("uv",new we(u,2));function m(_,g,p,x,v,y,E,b,S,L,M){const A=y/S,U=E/L,z=y/2,K=E/2,D=b/2,F=S+1,J=L+1;let X=0,re=0;const j=new C;for(let te=0;te0?1:-1,h.push(j.x,j.y,j.z),u.push(_e/S),u.push(1-te/L),X+=1}}for(let te=0;te0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;const n={};for(const i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}}class To extends nt{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Ve,this.projectionMatrix=new Ve,this.projectionMatrixInverse=new Ve,this.coordinateSystem=Cn}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}}class Nt extends To{constructor(e=50,t=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=Xs*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(ss*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return Xs*2*Math.atan(Math.tan(ss*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(ss*.5*this.fov)/this.zoom,n=2*t,i=this.aspect*n,s=-.5*i;const a=this.view;if(this.view!==null&&this.view.enabled){const l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*i/l,t-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}const o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+i,t,t-n,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}const Rs=-90,Ps=1;class kd extends nt{constructor(e,t,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new Nt(Rs,Ps,e,t);i.layers=this.layers,this.add(i);const s=new Nt(Rs,Ps,e,t);s.layers=this.layers,this.add(s);const a=new Nt(Rs,Ps,e,t);a.layers=this.layers,this.add(a);const o=new Nt(Rs,Ps,e,t);o.layers=this.layers,this.add(o);const l=new Nt(Rs,Ps,e,t);l.layers=this.layers,this.add(l);const c=new Nt(Rs,Ps,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){const e=this.coordinateSystem,t=this.children.concat(),[n,i,s,a,o,l]=t;for(const c of t)this.remove(c);if(e===Cn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(e===Ws)n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(const c of t)this.add(c),c.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());const[s,a,o,l,c,h]=this.children,u=e.getRenderTarget(),f=e.getActiveCubeFace(),d=e.getActiveMipmapLevel(),m=e.xr.enabled;e.xr.enabled=!1;const _=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0,i),e.render(t,s),e.setRenderTarget(n,1,i),e.render(t,a),e.setRenderTarget(n,2,i),e.render(t,o),e.setRenderTarget(n,3,i),e.render(t,l),e.setRenderTarget(n,4,i),e.render(t,c),n.texture.generateMipmaps=_,e.setRenderTarget(n,5,i),e.render(t,h),e.setRenderTarget(u,f,d),e.xr.enabled=m,n.texture.needsPMREMUpdate=!0}}class qr extends Et{constructor(e,t,n,i,s,a,o,l,c,h){e=e!==void 0?e:[],t=t!==void 0?t:di,super(e,t,n,i,s,a,o,l,c,h),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class Vd extends Rn{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},i=[n,n,n,n,n,n];t.encoding!==void 0&&(_r("THREE.WebGLCubeRenderTarget: option.encoding has been replaced by option.colorSpace."),t.colorSpace=t.encoding===ui?Ct:hn),this.texture=new qr(i,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:St}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:` + + varying vec3 vWorldDirection; + + vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); + + } + + void main() { + + vWorldDirection = transformDirection( position, modelMatrix ); + + #include + #include + + } + `,fragmentShader:` + + uniform sampler2D tEquirect; + + varying vec3 vWorldDirection; + + #include + + void main() { + + vec3 direction = normalize( vWorldDirection ); + + vec2 sampleUV = equirectUv( direction ); + + gl_FragColor = texture2D( tEquirect, sampleUV ); + + } + `},i=new ps(5,5,5),s=new Pn({name:"CubemapFromEquirect",uniforms:qs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Jt,blending:li});s.uniforms.tEquirect.value=t;const a=new At(i,s),o=t.minFilter;return t.minFilter===Ri&&(t.minFilter=St),new kd(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){const s=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(s)}}const gl=new C,kg=new C,Vg=new Ke;class ei{constructor(e=new C(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const i=gl.subVectors(n,t).cross(kg.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t){const n=e.delta(gl),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;const s=-(e.start.dot(this.normal)+this.constant)/i;return s<0||s>1?null:t.copy(e.start).addScaledVector(n,s)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||Vg.getNormalMatrix(e),i=this.coplanarPoint(gl).applyMatrix4(e),s=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}}const ki=new Gt,Ma=new C;class Yr{constructor(e=new ei,t=new ei,n=new ei,i=new ei,s=new ei,a=new ei){this.planes=[e,t,n,i,s,a]}set(e,t,n,i,s,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(s),o[5].copy(a),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e,t=Cn){const n=this.planes,i=e.elements,s=i[0],a=i[1],o=i[2],l=i[3],c=i[4],h=i[5],u=i[6],f=i[7],d=i[8],m=i[9],_=i[10],g=i[11],p=i[12],x=i[13],v=i[14],y=i[15];if(n[0].setComponents(l-s,f-c,g-d,y-p).normalize(),n[1].setComponents(l+s,f+c,g+d,y+p).normalize(),n[2].setComponents(l+a,f+h,g+m,y+x).normalize(),n[3].setComponents(l-a,f-h,g-m,y-x).normalize(),n[4].setComponents(l-o,f-u,g-_,y-v).normalize(),t===Cn)n[5].setComponents(l+o,f+u,g+_,y+v).normalize();else if(t===Ws)n[5].setComponents(o,u,_,v).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),ki.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{const t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),ki.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(ki)}intersectsSprite(e){return ki.center.set(0,0,0),ki.radius=.7071067811865476,ki.applyMatrix4(e.matrixWorld),this.intersectsSphere(ki)}intersectsSphere(e){const t=this.planes,n=e.center,i=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(n)0?e.max.x:e.min.x,Ma.y=i.normal.y>0?e.max.y:e.min.y,Ma.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(Ma)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}}function Hd(){let r=null,e=!1,t=null,n=null;function i(s,a){t(s,a),n=r.requestAnimationFrame(i)}return{start:function(){e!==!0&&t!==null&&(n=r.requestAnimationFrame(i),e=!0)},stop:function(){r.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){r=s}}}function Hg(r,e){const t=e.isWebGL2,n=new WeakMap;function i(c,h){const u=c.array,f=c.usage,d=u.byteLength,m=r.createBuffer();r.bindBuffer(h,m),r.bufferData(h,u,f),c.onUploadCallback();let _;if(u instanceof Float32Array)_=r.FLOAT;else if(u instanceof Uint16Array)if(c.isFloat16BufferAttribute)if(t)_=r.HALF_FLOAT;else throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");else _=r.UNSIGNED_SHORT;else if(u instanceof Int16Array)_=r.SHORT;else if(u instanceof Uint32Array)_=r.UNSIGNED_INT;else if(u instanceof Int32Array)_=r.INT;else if(u instanceof Int8Array)_=r.BYTE;else if(u instanceof Uint8Array)_=r.UNSIGNED_BYTE;else if(u instanceof Uint8ClampedArray)_=r.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+u);return{buffer:m,type:_,bytesPerElement:u.BYTES_PER_ELEMENT,version:c.version,size:d}}function s(c,h,u){const f=h.array,d=h._updateRange,m=h.updateRanges;if(r.bindBuffer(u,c),d.count===-1&&m.length===0&&r.bufferSubData(u,0,f),m.length!==0){for(let _=0,g=m.length;_ 0 + vec4 plane; + #pragma unroll_loop_start + for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; + } + #pragma unroll_loop_end + #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES + bool clipped = true; + #pragma unroll_loop_start + for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { + plane = clippingPlanes[ i ]; + clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; + } + #pragma unroll_loop_end + if ( clipped ) discard; + #endif +#endif`,r_=`#if NUM_CLIPPING_PLANES > 0 + varying vec3 vClipPosition; + uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ]; +#endif`,a_=`#if NUM_CLIPPING_PLANES > 0 + varying vec3 vClipPosition; +#endif`,o_=`#if NUM_CLIPPING_PLANES > 0 + vClipPosition = - mvPosition.xyz; +#endif`,l_=`#if defined( USE_COLOR_ALPHA ) + diffuseColor *= vColor; +#elif defined( USE_COLOR ) + diffuseColor.rgb *= vColor; +#endif`,c_=`#if defined( USE_COLOR_ALPHA ) + varying vec4 vColor; +#elif defined( USE_COLOR ) + varying vec3 vColor; +#endif`,h_=`#if defined( USE_COLOR_ALPHA ) + varying vec4 vColor; +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) + varying vec3 vColor; +#endif`,u_=`#if defined( USE_COLOR_ALPHA ) + vColor = vec4( 1.0 ); +#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) + vColor = vec3( 1.0 ); +#endif +#ifdef USE_COLOR + vColor *= color; +#endif +#ifdef USE_INSTANCING_COLOR + vColor.xyz *= instanceColor.xyz; +#endif`,f_=`#define PI 3.141592653589793 +#define PI2 6.283185307179586 +#define PI_HALF 1.5707963267948966 +#define RECIPROCAL_PI 0.3183098861837907 +#define RECIPROCAL_PI2 0.15915494309189535 +#define EPSILON 1e-6 +#ifndef saturate +#define saturate( a ) clamp( a, 0.0, 1.0 ) +#endif +#define whiteComplement( a ) ( 1.0 - saturate( a ) ) +float pow2( const in float x ) { return x*x; } +vec3 pow2( const in vec3 x ) { return x*x; } +float pow3( const in float x ) { return x*x*x; } +float pow4( const in float x ) { float x2 = x*x; return x2*x2; } +float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); } +float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); } +highp float rand( const in vec2 uv ) { + const highp float a = 12.9898, b = 78.233, c = 43758.5453; + highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI ); + return fract( sin( sn ) * c ); +} +#ifdef HIGH_PRECISION + float precisionSafeLength( vec3 v ) { return length( v ); } +#else + float precisionSafeLength( vec3 v ) { + float maxComponent = max3( abs( v ) ); + return length( v / maxComponent ) * maxComponent; + } +#endif +struct IncidentLight { + vec3 color; + vec3 direction; + bool visible; +}; +struct ReflectedLight { + vec3 directDiffuse; + vec3 directSpecular; + vec3 indirectDiffuse; + vec3 indirectSpecular; +}; +#ifdef USE_ALPHAHASH + varying vec3 vPosition; +#endif +vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); +} +vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) { + return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz ); +} +mat3 transposeMat3( const in mat3 m ) { + mat3 tmp; + tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x ); + tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y ); + tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z ); + return tmp; +} +float luminance( const in vec3 rgb ) { + const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 ); + return dot( weights, rgb ); +} +bool isPerspectiveMatrix( mat4 m ) { + return m[ 2 ][ 3 ] == - 1.0; +} +vec2 equirectUv( in vec3 dir ) { + float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5; + float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5; + return vec2( u, v ); +} +vec3 BRDF_Lambert( const in vec3 diffuseColor ) { + return RECIPROCAL_PI * diffuseColor; +} +vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} +float F_Schlick( const in float f0, const in float f90, const in float dotVH ) { + float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); + return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); +} // validated`,d_=`#ifdef ENVMAP_TYPE_CUBE_UV + #define cubeUV_minMipLevel 4.0 + #define cubeUV_minTileSize 16.0 + float getFace( vec3 direction ) { + vec3 absDirection = abs( direction ); + float face = - 1.0; + if ( absDirection.x > absDirection.z ) { + if ( absDirection.x > absDirection.y ) + face = direction.x > 0.0 ? 0.0 : 3.0; + else + face = direction.y > 0.0 ? 1.0 : 4.0; + } else { + if ( absDirection.z > absDirection.y ) + face = direction.z > 0.0 ? 2.0 : 5.0; + else + face = direction.y > 0.0 ? 1.0 : 4.0; + } + return face; + } + vec2 getUV( vec3 direction, float face ) { + vec2 uv; + if ( face == 0.0 ) { + uv = vec2( direction.z, direction.y ) / abs( direction.x ); + } else if ( face == 1.0 ) { + uv = vec2( - direction.x, - direction.z ) / abs( direction.y ); + } else if ( face == 2.0 ) { + uv = vec2( - direction.x, direction.y ) / abs( direction.z ); + } else if ( face == 3.0 ) { + uv = vec2( - direction.z, direction.y ) / abs( direction.x ); + } else if ( face == 4.0 ) { + uv = vec2( - direction.x, direction.z ) / abs( direction.y ); + } else { + uv = vec2( direction.x, direction.y ) / abs( direction.z ); + } + return 0.5 * ( uv + 1.0 ); + } + vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) { + float face = getFace( direction ); + float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 ); + mipInt = max( mipInt, cubeUV_minMipLevel ); + float faceSize = exp2( mipInt ); + highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0; + if ( face > 2.0 ) { + uv.y += faceSize; + face -= 3.0; + } + uv.x += face * faceSize; + uv.x += filterInt * 3.0 * cubeUV_minTileSize; + uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize ); + uv.x *= CUBEUV_TEXEL_WIDTH; + uv.y *= CUBEUV_TEXEL_HEIGHT; + #ifdef texture2DGradEXT + return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb; + #else + return texture2D( envMap, uv ).rgb; + #endif + } + #define cubeUV_r0 1.0 + #define cubeUV_v0 0.339 + #define cubeUV_m0 - 2.0 + #define cubeUV_r1 0.8 + #define cubeUV_v1 0.276 + #define cubeUV_m1 - 1.0 + #define cubeUV_r4 0.4 + #define cubeUV_v4 0.046 + #define cubeUV_m4 2.0 + #define cubeUV_r5 0.305 + #define cubeUV_v5 0.016 + #define cubeUV_m5 3.0 + #define cubeUV_r6 0.21 + #define cubeUV_v6 0.0038 + #define cubeUV_m6 4.0 + float roughnessToMip( float roughness ) { + float mip = 0.0; + if ( roughness >= cubeUV_r1 ) { + mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0; + } else if ( roughness >= cubeUV_r4 ) { + mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1; + } else if ( roughness >= cubeUV_r5 ) { + mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4; + } else if ( roughness >= cubeUV_r6 ) { + mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5; + } else { + mip = - 2.0 * log2( 1.16 * roughness ); } + return mip; + } + vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) { + float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP ); + float mipF = fract( mip ); + float mipInt = floor( mip ); + vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt ); + if ( mipF == 0.0 ) { + return vec4( color0, 1.0 ); + } else { + vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 ); + return vec4( mix( color0, color1, mipF ), 1.0 ); + } + } +#endif`,p_=`vec3 transformedNormal = objectNormal; +#ifdef USE_TANGENT + vec3 transformedTangent = objectTangent; +#endif +#ifdef USE_BATCHING + mat3 bm = mat3( batchingMatrix ); + transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) ); + transformedNormal = bm * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = bm * transformedTangent; + #endif +#endif +#ifdef USE_INSTANCING + mat3 im = mat3( instanceMatrix ); + transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) ); + transformedNormal = im * transformedNormal; + #ifdef USE_TANGENT + transformedTangent = im * transformedTangent; + #endif +#endif +transformedNormal = normalMatrix * transformedNormal; +#ifdef FLIP_SIDED + transformedNormal = - transformedNormal; +#endif +#ifdef USE_TANGENT + transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz; + #ifdef FLIP_SIDED + transformedTangent = - transformedTangent; + #endif +#endif`,m_=`#ifdef USE_DISPLACEMENTMAP + uniform sampler2D displacementMap; + uniform float displacementScale; + uniform float displacementBias; +#endif`,g_=`#ifdef USE_DISPLACEMENTMAP + transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias ); +#endif`,__=`#ifdef USE_EMISSIVEMAP + vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv ); + totalEmissiveRadiance *= emissiveColor.rgb; +#endif`,v_=`#ifdef USE_EMISSIVEMAP + uniform sampler2D emissiveMap; +#endif`,x_="gl_FragColor = linearToOutputTexel( gl_FragColor );",y_=` +const mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3( + vec3( 0.8224621, 0.177538, 0.0 ), + vec3( 0.0331941, 0.9668058, 0.0 ), + vec3( 0.0170827, 0.0723974, 0.9105199 ) +); +const mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3( + vec3( 1.2249401, - 0.2249404, 0.0 ), + vec3( - 0.0420569, 1.0420571, 0.0 ), + vec3( - 0.0196376, - 0.0786361, 1.0982735 ) +); +vec4 LinearSRGBToLinearDisplayP3( in vec4 value ) { + return vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a ); +} +vec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) { + return vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a ); +} +vec4 LinearTransferOETF( in vec4 value ) { + return value; +} +vec4 sRGBTransferOETF( in vec4 value ) { + return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a ); +} +vec4 LinearToLinear( in vec4 value ) { + return value; +} +vec4 LinearTosRGB( in vec4 value ) { + return sRGBTransferOETF( value ); +}`,M_=`#ifdef USE_ENVMAP + #ifdef ENV_WORLDPOS + vec3 cameraToFrag; + if ( isOrthographic ) { + cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) ); + } else { + cameraToFrag = normalize( vWorldPosition - cameraPosition ); + } + vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); + #ifdef ENVMAP_MODE_REFLECTION + vec3 reflectVec = reflect( cameraToFrag, worldNormal ); + #else + vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio ); + #endif + #else + vec3 reflectVec = vReflect; + #endif + #ifdef ENVMAP_TYPE_CUBE + vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); + #else + vec4 envColor = vec4( 0.0 ); + #endif + #ifdef ENVMAP_BLENDING_MULTIPLY + outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity ); + #elif defined( ENVMAP_BLENDING_MIX ) + outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity ); + #elif defined( ENVMAP_BLENDING_ADD ) + outgoingLight += envColor.xyz * specularStrength * reflectivity; + #endif +#endif`,b_=`#ifdef USE_ENVMAP + uniform float envMapIntensity; + uniform float flipEnvMap; + #ifdef ENVMAP_TYPE_CUBE + uniform samplerCube envMap; + #else + uniform sampler2D envMap; + #endif + +#endif`,S_=`#ifdef USE_ENVMAP + uniform float reflectivity; + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) + #define ENV_WORLDPOS + #endif + #ifdef ENV_WORLDPOS + varying vec3 vWorldPosition; + uniform float refractionRatio; + #else + varying vec3 vReflect; + #endif +#endif`,E_=`#ifdef USE_ENVMAP + #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) + #define ENV_WORLDPOS + #endif + #ifdef ENV_WORLDPOS + + varying vec3 vWorldPosition; + #else + varying vec3 vReflect; + uniform float refractionRatio; + #endif +#endif`,T_=`#ifdef USE_ENVMAP + #ifdef ENV_WORLDPOS + vWorldPosition = worldPosition.xyz; + #else + vec3 cameraToVertex; + if ( isOrthographic ) { + cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) ); + } else { + cameraToVertex = normalize( worldPosition.xyz - cameraPosition ); + } + vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); + #ifdef ENVMAP_MODE_REFLECTION + vReflect = reflect( cameraToVertex, worldNormal ); + #else + vReflect = refract( cameraToVertex, worldNormal, refractionRatio ); + #endif + #endif +#endif`,w_=`#ifdef USE_FOG + vFogDepth = - mvPosition.z; +#endif`,A_=`#ifdef USE_FOG + varying float vFogDepth; +#endif`,C_=`#ifdef USE_FOG + #ifdef FOG_EXP2 + float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth ); + #else + float fogFactor = smoothstep( fogNear, fogFar, vFogDepth ); + #endif + gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor ); +#endif`,R_=`#ifdef USE_FOG + uniform vec3 fogColor; + varying float vFogDepth; + #ifdef FOG_EXP2 + uniform float fogDensity; + #else + uniform float fogNear; + uniform float fogFar; + #endif +#endif`,P_=`#ifdef USE_GRADIENTMAP + uniform sampler2D gradientMap; +#endif +vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) { + float dotNL = dot( normal, lightDirection ); + vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 ); + #ifdef USE_GRADIENTMAP + return vec3( texture2D( gradientMap, coord ).r ); + #else + vec2 fw = fwidth( coord ) * 0.5; + return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) ); + #endif +}`,L_=`#ifdef USE_LIGHTMAP + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; + reflectedLight.indirectDiffuse += lightMapIrradiance; +#endif`,I_=`#ifdef USE_LIGHTMAP + uniform sampler2D lightMap; + uniform float lightMapIntensity; +#endif`,D_=`LambertMaterial material; +material.diffuseColor = diffuseColor.rgb; +material.specularStrength = specularStrength;`,U_=`varying vec3 vViewPosition; +struct LambertMaterial { + vec3 diffuseColor; + float specularStrength; +}; +void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); + vec3 irradiance = dotNL * directLight.color; + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +#define RE_Direct RE_Direct_Lambert +#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert`,N_=`uniform bool receiveShadow; +uniform vec3 ambientLightColor; +#if defined( USE_LIGHT_PROBES ) + uniform vec3 lightProbe[ 9 ]; +#endif +vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) { + float x = normal.x, y = normal.y, z = normal.z; + vec3 result = shCoefficients[ 0 ] * 0.886227; + result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y; + result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z; + result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x; + result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y; + result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z; + result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 ); + result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z; + result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y ); + return result; +} +vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) { + vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); + vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe ); + return irradiance; +} +vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) { + vec3 irradiance = ambientLightColor; + return irradiance; +} +float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) { + #if defined ( LEGACY_LIGHTS ) + if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) { + return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent ); + } + return 1.0; + #else + float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); + if ( cutoffDistance > 0.0 ) { + distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); + } + return distanceFalloff; + #endif +} +float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) { + return smoothstep( coneCosine, penumbraCosine, angleCosine ); +} +#if NUM_DIR_LIGHTS > 0 + struct DirectionalLight { + vec3 direction; + vec3 color; + }; + uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ]; + void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) { + light.color = directionalLight.color; + light.direction = directionalLight.direction; + light.visible = true; + } +#endif +#if NUM_POINT_LIGHTS > 0 + struct PointLight { + vec3 position; + vec3 color; + float distance; + float decay; + }; + uniform PointLight pointLights[ NUM_POINT_LIGHTS ]; + void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = pointLight.position - geometryPosition; + light.direction = normalize( lVector ); + float lightDistance = length( lVector ); + light.color = pointLight.color; + light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay ); + light.visible = ( light.color != vec3( 0.0 ) ); + } +#endif +#if NUM_SPOT_LIGHTS > 0 + struct SpotLight { + vec3 position; + vec3 direction; + vec3 color; + float distance; + float decay; + float coneCos; + float penumbraCos; + }; + uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ]; + void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) { + vec3 lVector = spotLight.position - geometryPosition; + light.direction = normalize( lVector ); + float angleCos = dot( light.direction, spotLight.direction ); + float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos ); + if ( spotAttenuation > 0.0 ) { + float lightDistance = length( lVector ); + light.color = spotLight.color * spotAttenuation; + light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay ); + light.visible = ( light.color != vec3( 0.0 ) ); + } else { + light.color = vec3( 0.0 ); + light.visible = false; + } + } +#endif +#if NUM_RECT_AREA_LIGHTS > 0 + struct RectAreaLight { + vec3 color; + vec3 position; + vec3 halfWidth; + vec3 halfHeight; + }; + uniform sampler2D ltc_1; uniform sampler2D ltc_2; + uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ]; +#endif +#if NUM_HEMI_LIGHTS > 0 + struct HemisphereLight { + vec3 direction; + vec3 skyColor; + vec3 groundColor; + }; + uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ]; + vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) { + float dotNL = dot( normal, hemiLight.direction ); + float hemiDiffuseWeight = 0.5 * dotNL + 0.5; + vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight ); + return irradiance; + } +#endif`,O_=`#ifdef USE_ENVMAP + vec3 getIBLIrradiance( const in vec3 normal ) { + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); + vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 ); + return PI * envMapColor.rgb * envMapIntensity; + #else + return vec3( 0.0 ); + #endif + } + vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) { + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 reflectVec = reflect( - viewDir, normal ); + reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); + reflectVec = inverseTransformDirection( reflectVec, viewMatrix ); + vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness ); + return envMapColor.rgb * envMapIntensity; + #else + return vec3( 0.0 ); + #endif + } + #ifdef USE_ANISOTROPY + vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) { + #ifdef ENVMAP_TYPE_CUBE_UV + vec3 bentNormal = cross( bitangent, viewDir ); + bentNormal = normalize( cross( bentNormal, bitangent ) ); + bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) ); + return getIBLRadiance( viewDir, bentNormal, roughness ); + #else + return vec3( 0.0 ); + #endif + } + #endif +#endif`,F_=`ToonMaterial material; +material.diffuseColor = diffuseColor.rgb;`,B_=`varying vec3 vViewPosition; +struct ToonMaterial { + vec3 diffuseColor; +}; +void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { + vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color; + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +#define RE_Direct RE_Direct_Toon +#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon`,z_=`BlinnPhongMaterial material; +material.diffuseColor = diffuseColor.rgb; +material.specularColor = specular; +material.specularShininess = shininess; +material.specularStrength = specularStrength;`,k_=`varying vec3 vViewPosition; +struct BlinnPhongMaterial { + vec3 diffuseColor; + vec3 specularColor; + float specularShininess; + float specularStrength; +}; +void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); + vec3 irradiance = dotNL * directLight.color; + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); + reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength; +} +void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +#define RE_Direct RE_Direct_BlinnPhong +#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong`,V_=`PhysicalMaterial material; +material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor ); +vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) ); +float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z ); +material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness; +material.roughness = min( material.roughness, 1.0 ); +#ifdef IOR + material.ior = ior; + #ifdef USE_SPECULAR + float specularIntensityFactor = specularIntensity; + vec3 specularColorFactor = specularColor; + #ifdef USE_SPECULAR_COLORMAP + specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb; + #endif + #ifdef USE_SPECULAR_INTENSITYMAP + specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a; + #endif + material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor ); + #else + float specularIntensityFactor = 1.0; + vec3 specularColorFactor = vec3( 1.0 ); + material.specularF90 = 1.0; + #endif + material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); +#else + material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor ); + material.specularF90 = 1.0; +#endif +#ifdef USE_CLEARCOAT + material.clearcoat = clearcoat; + material.clearcoatRoughness = clearcoatRoughness; + material.clearcoatF0 = vec3( 0.04 ); + material.clearcoatF90 = 1.0; + #ifdef USE_CLEARCOATMAP + material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x; + #endif + #ifdef USE_CLEARCOAT_ROUGHNESSMAP + material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y; + #endif + material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 ); + material.clearcoatRoughness += geometryRoughness; + material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 ); +#endif +#ifdef USE_IRIDESCENCE + material.iridescence = iridescence; + material.iridescenceIOR = iridescenceIOR; + #ifdef USE_IRIDESCENCEMAP + material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r; + #endif + #ifdef USE_IRIDESCENCE_THICKNESSMAP + material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum; + #else + material.iridescenceThickness = iridescenceThicknessMaximum; + #endif +#endif +#ifdef USE_SHEEN + material.sheenColor = sheenColor; + #ifdef USE_SHEEN_COLORMAP + material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb; + #endif + material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); + #ifdef USE_SHEEN_ROUGHNESSMAP + material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a; + #endif +#endif +#ifdef USE_ANISOTROPY + #ifdef USE_ANISOTROPYMAP + mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x ); + vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb; + vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b; + #else + vec2 anisotropyV = anisotropyVector; + #endif + material.anisotropy = length( anisotropyV ); + if( material.anisotropy == 0.0 ) { + anisotropyV = vec2( 1.0, 0.0 ); + } else { + anisotropyV /= material.anisotropy; + material.anisotropy = saturate( material.anisotropy ); + } + material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) ); + material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y; + material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y; +#endif`,H_=`struct PhysicalMaterial { + vec3 diffuseColor; + float roughness; + vec3 specularColor; + float specularF90; + #ifdef USE_CLEARCOAT + float clearcoat; + float clearcoatRoughness; + vec3 clearcoatF0; + float clearcoatF90; + #endif + #ifdef USE_IRIDESCENCE + float iridescence; + float iridescenceIOR; + float iridescenceThickness; + vec3 iridescenceFresnel; + vec3 iridescenceF0; + #endif + #ifdef USE_SHEEN + vec3 sheenColor; + float sheenRoughness; + #endif + #ifdef IOR + float ior; + #endif + #ifdef USE_TRANSMISSION + float transmission; + float transmissionAlpha; + float thickness; + float attenuationDistance; + vec3 attenuationColor; + #endif + #ifdef USE_ANISOTROPY + float anisotropy; + float alphaT; + vec3 anisotropyT; + vec3 anisotropyB; + #endif +}; +vec3 clearcoatSpecularDirect = vec3( 0.0 ); +vec3 clearcoatSpecularIndirect = vec3( 0.0 ); +vec3 sheenSpecularDirect = vec3( 0.0 ); +vec3 sheenSpecularIndirect = vec3(0.0 ); +vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) { + float x = clamp( 1.0 - dotVH, 0.0, 1.0 ); + float x2 = x * x; + float x5 = clamp( x * x2 * x2, 0.0, 0.9999 ); + return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 ); +} +float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) { + float a2 = pow2( alpha ); + float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); + float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); + return 0.5 / max( gv + gl, EPSILON ); +} +float D_GGX( const in float alpha, const in float dotNH ) { + float a2 = pow2( alpha ); + float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; + return RECIPROCAL_PI * a2 / pow2( denom ); +} +#ifdef USE_ANISOTROPY + float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) { + float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) ); + float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) ); + float v = 0.5 / ( gv + gl ); + return saturate(v); + } + float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) { + float a2 = alphaT * alphaB; + highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH ); + highp float v2 = dot( v, v ); + float w2 = a2 / v2; + return RECIPROCAL_PI * a2 * pow2 ( w2 ); + } +#endif +#ifdef USE_CLEARCOAT + vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) { + vec3 f0 = material.clearcoatF0; + float f90 = material.clearcoatF90; + float roughness = material.clearcoatRoughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + return F * ( V * D ); + } +#endif +vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) { + vec3 f0 = material.specularColor; + float f90 = material.specularF90; + float roughness = material.roughness; + float alpha = pow2( roughness ); + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float dotVH = saturate( dot( viewDir, halfDir ) ); + vec3 F = F_Schlick( f0, f90, dotVH ); + #ifdef USE_IRIDESCENCE + F = mix( F, material.iridescenceFresnel, material.iridescence ); + #endif + #ifdef USE_ANISOTROPY + float dotTL = dot( material.anisotropyT, lightDir ); + float dotTV = dot( material.anisotropyT, viewDir ); + float dotTH = dot( material.anisotropyT, halfDir ); + float dotBL = dot( material.anisotropyB, lightDir ); + float dotBV = dot( material.anisotropyB, viewDir ); + float dotBH = dot( material.anisotropyB, halfDir ); + float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL ); + float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH ); + #else + float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); + float D = D_GGX( alpha, dotNH ); + #endif + return F * ( V * D ); +} +vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) { + const float LUT_SIZE = 64.0; + const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; + const float LUT_BIAS = 0.5 / LUT_SIZE; + float dotNV = saturate( dot( N, V ) ); + vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) ); + uv = uv * LUT_SCALE + LUT_BIAS; + return uv; +} +float LTC_ClippedSphereFormFactor( const in vec3 f ) { + float l = length( f ); + return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 ); +} +vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) { + float x = dot( v1, v2 ); + float y = abs( x ); + float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y; + float b = 3.4175940 + ( 4.1616724 + y ) * y; + float v = a / b; + float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; + return cross( v1, v2 ) * theta_sintheta; +} +vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { + vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; + vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; + vec3 lightNormal = cross( v1, v2 ); + if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); + vec3 T1, T2; + T1 = normalize( V - N * dot( V, N ) ); + T2 = - cross( N, T1 ); + mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); + vec3 coords[ 4 ]; + coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); + coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); + coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); + coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); + coords[ 0 ] = normalize( coords[ 0 ] ); + coords[ 1 ] = normalize( coords[ 1 ] ); + coords[ 2 ] = normalize( coords[ 2 ] ); + coords[ 3 ] = normalize( coords[ 3 ] ); + vec3 vectorFormFactor = vec3( 0.0 ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); + vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); + float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); + return vec3( result ); +} +#if defined( USE_SHEEN ) +float D_Charlie( float roughness, float dotNH ) { + float alpha = pow2( roughness ); + float invAlpha = 1.0 / alpha; + float cos2h = dotNH * dotNH; + float sin2h = max( 1.0 - cos2h, 0.0078125 ); + return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); +} +float V_Neubelt( float dotNV, float dotNL ) { + return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); +} +vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { + vec3 halfDir = normalize( lightDir + viewDir ); + float dotNL = saturate( dot( normal, lightDir ) ); + float dotNV = saturate( dot( normal, viewDir ) ); + float dotNH = saturate( dot( normal, halfDir ) ); + float D = D_Charlie( sheenRoughness, dotNH ); + float V = V_Neubelt( dotNV, dotNL ); + return sheenColor * ( D * V ); +} +#endif +float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { + float dotNV = saturate( dot( normal, viewDir ) ); + float r2 = roughness * roughness; + float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95; + float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72; + float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) ); + return saturate( DG * RECIPROCAL_PI ); +} +vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { + float dotNV = saturate( dot( normal, viewDir ) ); + const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 ); + const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 ); + vec4 r = roughness * c0 + c1; + float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y; + vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw; + return fab; +} +vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) { + vec2 fab = DFGApprox( normal, viewDir, roughness ); + return specularColor * fab.x + specularF90 * fab.y; +} +#ifdef USE_IRIDESCENCE +void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#else +void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { +#endif + vec2 fab = DFGApprox( normal, viewDir, roughness ); + #ifdef USE_IRIDESCENCE + vec3 Fr = mix( specularColor, iridescenceF0, iridescence ); + #else + vec3 Fr = specularColor; + #endif + vec3 FssEss = Fr * fab.x + specularF90 * fab.y; + float Ess = fab.x + fab.y; + float Ems = 1.0 - Ess; + vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); + singleScatter += FssEss; + multiScatter += Fms * Ems; +} +#if NUM_RECT_AREA_LIGHTS > 0 + void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + vec3 normal = geometryNormal; + vec3 viewDir = geometryViewDir; + vec3 position = geometryPosition; + vec3 lightPos = rectAreaLight.position; + vec3 halfWidth = rectAreaLight.halfWidth; + vec3 halfHeight = rectAreaLight.halfHeight; + vec3 lightColor = rectAreaLight.color; + float roughness = material.roughness; + vec3 rectCoords[ 4 ]; + rectCoords[ 0 ] = lightPos + halfWidth - halfHeight; rectCoords[ 1 ] = lightPos - halfWidth - halfHeight; + rectCoords[ 2 ] = lightPos - halfWidth + halfHeight; + rectCoords[ 3 ] = lightPos + halfWidth + halfHeight; + vec2 uv = LTC_Uv( normal, viewDir, roughness ); + vec4 t1 = texture2D( ltc_1, uv ); + vec4 t2 = texture2D( ltc_2, uv ); + mat3 mInv = mat3( + vec3( t1.x, 0, t1.y ), + vec3( 0, 1, 0 ), + vec3( t1.z, 0, t1.w ) + ); + vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y ); + reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords ); + reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords ); + } +#endif +void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); + vec3 irradiance = dotNL * directLight.color; + #ifdef USE_CLEARCOAT + float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) ); + vec3 ccIrradiance = dotNLcc * directLight.color; + clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material ); + #endif + #ifdef USE_SHEEN + sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness ); + #endif + reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material ); + reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { + reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); +} +void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { + #ifdef USE_CLEARCOAT + clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); + #endif + #ifdef USE_SHEEN + sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ); + #endif + vec3 singleScattering = vec3( 0.0 ); + vec3 multiScattering = vec3( 0.0 ); + vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI; + #ifdef USE_IRIDESCENCE + computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering ); + #else + computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); + #endif + vec3 totalScattering = singleScattering + multiScattering; + vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) ); + reflectedLight.indirectSpecular += radiance * singleScattering; + reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance; + reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance; +} +#define RE_Direct RE_Direct_Physical +#define RE_Direct_RectArea RE_Direct_RectArea_Physical +#define RE_IndirectDiffuse RE_IndirectDiffuse_Physical +#define RE_IndirectSpecular RE_IndirectSpecular_Physical +float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) { + return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion ); +}`,G_=` +vec3 geometryPosition = - vViewPosition; +vec3 geometryNormal = normal; +vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); +vec3 geometryClearcoatNormal = vec3( 0.0 ); +#ifdef USE_CLEARCOAT + geometryClearcoatNormal = clearcoatNormal; +#endif +#ifdef USE_IRIDESCENCE + float dotNVi = saturate( dot( normal, geometryViewDir ) ); + if ( material.iridescenceThickness == 0.0 ) { + material.iridescence = 0.0; + } else { + material.iridescence = saturate( material.iridescence ); + } + if ( material.iridescence > 0.0 ) { + material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor ); + material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi ); + } +#endif +IncidentLight directLight; +#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct ) + PointLight pointLight; + #if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0 + PointLightShadow pointLightShadow; + #endif + #pragma unroll_loop_start + for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { + pointLight = pointLights[ i ]; + getPointLightInfo( pointLight, geometryPosition, directLight ); + #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) + pointLightShadow = pointLightShadows[ i ]; + directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; + #endif + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); + } + #pragma unroll_loop_end +#endif +#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct ) + SpotLight spotLight; + vec4 spotColor; + vec3 spotLightCoord; + bool inSpotLightMap; + #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0 + SpotLightShadow spotLightShadow; + #endif + #pragma unroll_loop_start + for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { + spotLight = spotLights[ i ]; + getSpotLightInfo( spotLight, geometryPosition, directLight ); + #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX + #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS + #else + #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) + #endif + #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS ) + spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w; + inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) ); + spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy ); + directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color; + #endif + #undef SPOT_LIGHT_MAP_INDEX + #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + spotLightShadow = spotLightShadows[ i ]; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; + #endif + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); + } + #pragma unroll_loop_end +#endif +#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct ) + DirectionalLight directionalLight; + #if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0 + DirectionalLightShadow directionalLightShadow; + #endif + #pragma unroll_loop_start + for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { + directionalLight = directionalLights[ i ]; + getDirectionalLightInfo( directionalLight, directLight ); + #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS ) + directionalLightShadow = directionalLightShadows[ i ]; + directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + #endif + RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); + } + #pragma unroll_loop_end +#endif +#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea ) + RectAreaLight rectAreaLight; + #pragma unroll_loop_start + for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) { + rectAreaLight = rectAreaLights[ i ]; + RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); + } + #pragma unroll_loop_end +#endif +#if defined( RE_IndirectDiffuse ) + vec3 iblIrradiance = vec3( 0.0 ); + vec3 irradiance = getAmbientLightIrradiance( ambientLightColor ); + #if defined( USE_LIGHT_PROBES ) + irradiance += getLightProbeIrradiance( lightProbe, geometryNormal ); + #endif + #if ( NUM_HEMI_LIGHTS > 0 ) + #pragma unroll_loop_start + for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { + irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal ); + } + #pragma unroll_loop_end + #endif +#endif +#if defined( RE_IndirectSpecular ) + vec3 radiance = vec3( 0.0 ); + vec3 clearcoatRadiance = vec3( 0.0 ); +#endif`,W_=`#if defined( RE_IndirectDiffuse ) + #ifdef USE_LIGHTMAP + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; + irradiance += lightMapIrradiance; + #endif + #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV ) + iblIrradiance += getIBLIrradiance( geometryNormal ); + #endif +#endif +#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular ) + #ifdef USE_ANISOTROPY + radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy ); + #else + radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness ); + #endif + #ifdef USE_CLEARCOAT + clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness ); + #endif +#endif`,X_=`#if defined( RE_IndirectDiffuse ) + RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); +#endif +#if defined( RE_IndirectSpecular ) + RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); +#endif`,q_=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) + gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; +#endif`,Y_=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) + uniform float logDepthBufFC; + varying float vFragDepth; + varying float vIsPerspective; +#endif`,Z_=`#ifdef USE_LOGDEPTHBUF + #ifdef USE_LOGDEPTHBUF_EXT + varying float vFragDepth; + varying float vIsPerspective; + #else + uniform float logDepthBufFC; + #endif +#endif`,K_=`#ifdef USE_LOGDEPTHBUF + #ifdef USE_LOGDEPTHBUF_EXT + vFragDepth = 1.0 + gl_Position.w; + vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); + #else + if ( isPerspectiveMatrix( projectionMatrix ) ) { + gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0; + gl_Position.z *= gl_Position.w; + } + #endif +#endif`,J_=`#ifdef USE_MAP + vec4 sampledDiffuseColor = texture2D( map, vMapUv ); + #ifdef DECODE_VIDEO_TEXTURE + sampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w ); + + #endif + diffuseColor *= sampledDiffuseColor; +#endif`,j_=`#ifdef USE_MAP + uniform sampler2D map; +#endif`,Q_=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + #if defined( USE_POINTS_UV ) + vec2 uv = vUv; + #else + vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; + #endif +#endif +#ifdef USE_MAP + diffuseColor *= texture2D( map, uv ); +#endif +#ifdef USE_ALPHAMAP + diffuseColor.a *= texture2D( alphaMap, uv ).g; +#endif`,$_=`#if defined( USE_POINTS_UV ) + varying vec2 vUv; +#else + #if defined( USE_MAP ) || defined( USE_ALPHAMAP ) + uniform mat3 uvTransform; + #endif +#endif +#ifdef USE_MAP + uniform sampler2D map; +#endif +#ifdef USE_ALPHAMAP + uniform sampler2D alphaMap; +#endif`,e0=`float metalnessFactor = metalness; +#ifdef USE_METALNESSMAP + vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv ); + metalnessFactor *= texelMetalness.b; +#endif`,t0=`#ifdef USE_METALNESSMAP + uniform sampler2D metalnessMap; +#endif`,n0=`#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE ) + vColor *= morphTargetBaseInfluence; + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + #if defined( USE_COLOR_ALPHA ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ]; + #elif defined( USE_COLOR ) + if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ]; + #endif + } +#endif`,i0=`#ifdef USE_MORPHNORMALS + objectNormal *= morphTargetBaseInfluence; + #ifdef MORPHTARGETS_TEXTURE + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ]; + } + #else + objectNormal += morphNormal0 * morphTargetInfluences[ 0 ]; + objectNormal += morphNormal1 * morphTargetInfluences[ 1 ]; + objectNormal += morphNormal2 * morphTargetInfluences[ 2 ]; + objectNormal += morphNormal3 * morphTargetInfluences[ 3 ]; + #endif +#endif`,s0=`#ifdef USE_MORPHTARGETS + uniform float morphTargetBaseInfluence; + #ifdef MORPHTARGETS_TEXTURE + uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ]; + uniform sampler2DArray morphTargetsTexture; + uniform ivec2 morphTargetsTextureSize; + vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) { + int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset; + int y = texelIndex / morphTargetsTextureSize.x; + int x = texelIndex - y * morphTargetsTextureSize.x; + ivec3 morphUV = ivec3( x, y, morphTargetIndex ); + return texelFetch( morphTargetsTexture, morphUV, 0 ); + } + #else + #ifndef USE_MORPHNORMALS + uniform float morphTargetInfluences[ 8 ]; + #else + uniform float morphTargetInfluences[ 4 ]; + #endif + #endif +#endif`,r0=`#ifdef USE_MORPHTARGETS + transformed *= morphTargetBaseInfluence; + #ifdef MORPHTARGETS_TEXTURE + for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { + if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ]; + } + #else + transformed += morphTarget0 * morphTargetInfluences[ 0 ]; + transformed += morphTarget1 * morphTargetInfluences[ 1 ]; + transformed += morphTarget2 * morphTargetInfluences[ 2 ]; + transformed += morphTarget3 * morphTargetInfluences[ 3 ]; + #ifndef USE_MORPHNORMALS + transformed += morphTarget4 * morphTargetInfluences[ 4 ]; + transformed += morphTarget5 * morphTargetInfluences[ 5 ]; + transformed += morphTarget6 * morphTargetInfluences[ 6 ]; + transformed += morphTarget7 * morphTargetInfluences[ 7 ]; + #endif + #endif +#endif`,a0=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; +#ifdef FLAT_SHADED + vec3 fdx = dFdx( vViewPosition ); + vec3 fdy = dFdy( vViewPosition ); + vec3 normal = normalize( cross( fdx, fdy ) ); +#else + vec3 normal = normalize( vNormal ); + #ifdef DOUBLE_SIDED + normal *= faceDirection; + #endif +#endif +#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) + #ifdef USE_TANGENT + mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn = getTangentFrame( - vViewPosition, normal, + #if defined( USE_NORMALMAP ) + vNormalMapUv + #elif defined( USE_CLEARCOAT_NORMALMAP ) + vClearcoatNormalMapUv + #else + vUv + #endif + ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn[0] *= faceDirection; + tbn[1] *= faceDirection; + #endif +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + #ifdef USE_TANGENT + mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal ); + #else + mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv ); + #endif + #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED ) + tbn2[0] *= faceDirection; + tbn2[1] *= faceDirection; + #endif +#endif +vec3 nonPerturbedNormal = normal;`,o0=`#ifdef USE_NORMALMAP_OBJECTSPACE + normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; + #ifdef FLIP_SIDED + normal = - normal; + #endif + #ifdef DOUBLE_SIDED + normal = normal * faceDirection; + #endif + normal = normalize( normalMatrix * normal ); +#elif defined( USE_NORMALMAP_TANGENTSPACE ) + vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0; + mapN.xy *= normalScale; + normal = normalize( tbn * mapN ); +#elif defined( USE_BUMPMAP ) + normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection ); +#endif`,l0=`#ifndef FLAT_SHADED + varying vec3 vNormal; + #ifdef USE_TANGENT + varying vec3 vTangent; + varying vec3 vBitangent; + #endif +#endif`,c0=`#ifndef FLAT_SHADED + varying vec3 vNormal; + #ifdef USE_TANGENT + varying vec3 vTangent; + varying vec3 vBitangent; + #endif +#endif`,h0=`#ifndef FLAT_SHADED + vNormal = normalize( transformedNormal ); + #ifdef USE_TANGENT + vTangent = normalize( transformedTangent ); + vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w ); + #endif +#endif`,u0=`#ifdef USE_NORMALMAP + uniform sampler2D normalMap; + uniform vec2 normalScale; +#endif +#ifdef USE_NORMALMAP_OBJECTSPACE + uniform mat3 normalMatrix; +#endif +#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) ) + mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) { + vec3 q0 = dFdx( eye_pos.xyz ); + vec3 q1 = dFdy( eye_pos.xyz ); + vec2 st0 = dFdx( uv.st ); + vec2 st1 = dFdy( uv.st ); + vec3 N = surf_norm; + vec3 q1perp = cross( q1, N ); + vec3 q0perp = cross( N, q0 ); + vec3 T = q1perp * st0.x + q0perp * st1.x; + vec3 B = q1perp * st0.y + q0perp * st1.y; + float det = max( dot( T, T ), dot( B, B ) ); + float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det ); + return mat3( T * scale, B * scale, N ); + } +#endif`,f0=`#ifdef USE_CLEARCOAT + vec3 clearcoatNormal = nonPerturbedNormal; +#endif`,d0=`#ifdef USE_CLEARCOAT_NORMALMAP + vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0; + clearcoatMapN.xy *= clearcoatNormalScale; + clearcoatNormal = normalize( tbn2 * clearcoatMapN ); +#endif`,p0=`#ifdef USE_CLEARCOATMAP + uniform sampler2D clearcoatMap; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + uniform sampler2D clearcoatNormalMap; + uniform vec2 clearcoatNormalScale; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform sampler2D clearcoatRoughnessMap; +#endif`,m0=`#ifdef USE_IRIDESCENCEMAP + uniform sampler2D iridescenceMap; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform sampler2D iridescenceThicknessMap; +#endif`,g0=`#ifdef OPAQUE +diffuseColor.a = 1.0; +#endif +#ifdef USE_TRANSMISSION +diffuseColor.a *= material.transmissionAlpha; +#endif +gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,_0=`vec3 packNormalToRGB( const in vec3 normal ) { + return normalize( normal ) * 0.5 + 0.5; +} +vec3 unpackRGBToNormal( const in vec3 rgb ) { + return 2.0 * rgb.xyz - 1.0; +} +const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.; +const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. ); +const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. ); +const float ShiftRight8 = 1. / 256.; +vec4 packDepthToRGBA( const in float v ) { + vec4 r = vec4( fract( v * PackFactors ), v ); + r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale; +} +float unpackRGBAToDepth( const in vec4 v ) { + return dot( v, UnpackFactors ); +} +vec2 packDepthToRG( in highp float v ) { + return packDepthToRGBA( v ).yx; +} +float unpackRGToDepth( const in highp vec2 v ) { + return unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) ); +} +vec4 pack2HalfToRGBA( vec2 v ) { + vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) ); + return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w ); +} +vec2 unpackRGBATo2Half( vec4 v ) { + return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) ); +} +float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) { + return ( viewZ + near ) / ( near - far ); +} +float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) { + return depth * ( near - far ) - near; +} +float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) { + return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ ); +} +float perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) { + return ( near * far ) / ( ( far - near ) * depth - far ); +}`,v0=`#ifdef PREMULTIPLIED_ALPHA + gl_FragColor.rgb *= gl_FragColor.a; +#endif`,x0=`vec4 mvPosition = vec4( transformed, 1.0 ); +#ifdef USE_BATCHING + mvPosition = batchingMatrix * mvPosition; +#endif +#ifdef USE_INSTANCING + mvPosition = instanceMatrix * mvPosition; +#endif +mvPosition = modelViewMatrix * mvPosition; +gl_Position = projectionMatrix * mvPosition;`,y0=`#ifdef DITHERING + gl_FragColor.rgb = dithering( gl_FragColor.rgb ); +#endif`,M0=`#ifdef DITHERING + vec3 dithering( vec3 color ) { + float grid_position = rand( gl_FragCoord.xy ); + vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 ); + dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position ); + return color + dither_shift_RGB; + } +#endif`,b0=`float roughnessFactor = roughness; +#ifdef USE_ROUGHNESSMAP + vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv ); + roughnessFactor *= texelRoughness.g; +#endif`,S0=`#ifdef USE_ROUGHNESSMAP + uniform sampler2D roughnessMap; +#endif`,E0=`#if NUM_SPOT_LIGHT_COORDS > 0 + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#if NUM_SPOT_LIGHT_MAPS > 0 + uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ]; +#endif +#ifdef USE_SHADOWMAP + #if NUM_DIR_LIGHT_SHADOWS > 0 + uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ]; + varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; + struct DirectionalLightShadow { + float shadowBias; + float shadowNormalBias; + float shadowRadius; + vec2 shadowMapSize; + }; + uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; + #endif + #if NUM_SPOT_LIGHT_SHADOWS > 0 + uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ]; + struct SpotLightShadow { + float shadowBias; + float shadowNormalBias; + float shadowRadius; + vec2 shadowMapSize; + }; + uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ]; + #endif + #if NUM_POINT_LIGHT_SHADOWS > 0 + uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ]; + varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; + struct PointLightShadow { + float shadowBias; + float shadowNormalBias; + float shadowRadius; + vec2 shadowMapSize; + float shadowCameraNear; + float shadowCameraFar; + }; + uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; + #endif + float texture2DCompare( sampler2D depths, vec2 uv, float compare ) { + return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) ); + } + vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) { + return unpackRGBATo2Half( texture2D( shadow, uv ) ); + } + float VSMShadow (sampler2D shadow, vec2 uv, float compare ){ + float occlusion = 1.0; + vec2 distribution = texture2DDistribution( shadow, uv ); + float hard_shadow = step( compare , distribution.x ); + if (hard_shadow != 1.0 ) { + float distance = compare - distribution.x ; + float variance = max( 0.00000, distribution.y * distribution.y ); + float softness_probability = variance / (variance + distance * distance ); softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 ); + } + return occlusion; + } + float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) { + float shadow = 1.0; + shadowCoord.xyz /= shadowCoord.w; + shadowCoord.z += shadowBias; + bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0; + bool frustumTest = inFrustum && shadowCoord.z <= 1.0; + if ( frustumTest ) { + #if defined( SHADOWMAP_TYPE_PCF ) + vec2 texelSize = vec2( 1.0 ) / shadowMapSize; + float dx0 = - texelSize.x * shadowRadius; + float dy0 = - texelSize.y * shadowRadius; + float dx1 = + texelSize.x * shadowRadius; + float dy1 = + texelSize.y * shadowRadius; + float dx2 = dx0 / 2.0; + float dy2 = dy0 / 2.0; + float dx3 = dx1 / 2.0; + float dy3 = dy1 / 2.0; + shadow = ( + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) + + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z ) + ) * ( 1.0 / 17.0 ); + #elif defined( SHADOWMAP_TYPE_PCF_SOFT ) + vec2 texelSize = vec2( 1.0 ) / shadowMapSize; + float dx = texelSize.x; + float dy = texelSize.y; + vec2 uv = shadowCoord.xy; + vec2 f = fract( uv * shadowMapSize + 0.5 ); + uv -= f * texelSize; + shadow = ( + texture2DCompare( shadowMap, uv, shadowCoord.z ) + + texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) + + texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) + + texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) + + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), + texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ), + f.x ) + + mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), + texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ), + f.x ) + + mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), + texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ), + f.y ) + + mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), + texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ), + f.y ) + + mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), + texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ), + f.x ), + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), + texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ), + f.x ), + f.y ) + ) * ( 1.0 / 9.0 ); + #elif defined( SHADOWMAP_TYPE_VSM ) + shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z ); + #else + shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ); + #endif + } + return shadow; + } + vec2 cubeToUV( vec3 v, float texelSizeY ) { + vec3 absV = abs( v ); + float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) ); + absV *= scaleToCube; + v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY ); + vec2 planar = v.xy; + float almostATexel = 1.5 * texelSizeY; + float almostOne = 1.0 - almostATexel; + if ( absV.z >= almostOne ) { + if ( v.z > 0.0 ) + planar.x = 4.0 - v.x; + } else if ( absV.x >= almostOne ) { + float signX = sign( v.x ); + planar.x = v.z * signX + 2.0 * signX; + } else if ( absV.y >= almostOne ) { + float signY = sign( v.y ); + planar.x = v.x + 2.0 * signY + 2.0; + planar.y = v.z * signY - 2.0; + } + return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 ); + } + float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { + vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); + vec3 lightToPosition = shadowCoord.xyz; + float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; + vec3 bd3D = normalize( lightToPosition ); + #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) + vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; + return ( + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) + ) * ( 1.0 / 9.0 ); + #else + return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); + #endif + } +#endif`,T0=`#if NUM_SPOT_LIGHT_COORDS > 0 + uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ]; + varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ]; +#endif +#ifdef USE_SHADOWMAP + #if NUM_DIR_LIGHT_SHADOWS > 0 + uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ]; + varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; + struct DirectionalLightShadow { + float shadowBias; + float shadowNormalBias; + float shadowRadius; + vec2 shadowMapSize; + }; + uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; + #endif + #if NUM_SPOT_LIGHT_SHADOWS > 0 + struct SpotLightShadow { + float shadowBias; + float shadowNormalBias; + float shadowRadius; + vec2 shadowMapSize; + }; + uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ]; + #endif + #if NUM_POINT_LIGHT_SHADOWS > 0 + uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ]; + varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; + struct PointLightShadow { + float shadowBias; + float shadowNormalBias; + float shadowRadius; + vec2 shadowMapSize; + float shadowCameraNear; + float shadowCameraFar; + }; + uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; + #endif +#endif`,w0=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 ) + vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); + vec4 shadowWorldPosition; +#endif +#if defined( USE_SHADOWMAP ) + #if NUM_DIR_LIGHT_SHADOWS > 0 + #pragma unroll_loop_start + for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); + vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end + #endif + #if NUM_POINT_LIGHT_SHADOWS > 0 + #pragma unroll_loop_start + for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { + shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); + vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end + #endif +#endif +#if NUM_SPOT_LIGHT_COORDS > 0 + #pragma unroll_loop_start + for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) { + shadowWorldPosition = worldPosition; + #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) + shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias; + #endif + vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition; + } + #pragma unroll_loop_end +#endif`,A0=`float getShadowMask() { + float shadow = 1.0; + #ifdef USE_SHADOWMAP + #if NUM_DIR_LIGHT_SHADOWS > 0 + DirectionalLightShadow directionalLight; + #pragma unroll_loop_start + for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { + directionalLight = directionalLightShadows[ i ]; + shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; + } + #pragma unroll_loop_end + #endif + #if NUM_SPOT_LIGHT_SHADOWS > 0 + SpotLightShadow spotLight; + #pragma unroll_loop_start + for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { + spotLight = spotLightShadows[ i ]; + shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; + } + #pragma unroll_loop_end + #endif + #if NUM_POINT_LIGHT_SHADOWS > 0 + PointLightShadow pointLight; + #pragma unroll_loop_start + for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { + pointLight = pointLightShadows[ i ]; + shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; + } + #pragma unroll_loop_end + #endif + #endif + return shadow; +}`,C0=`#ifdef USE_SKINNING + mat4 boneMatX = getBoneMatrix( skinIndex.x ); + mat4 boneMatY = getBoneMatrix( skinIndex.y ); + mat4 boneMatZ = getBoneMatrix( skinIndex.z ); + mat4 boneMatW = getBoneMatrix( skinIndex.w ); +#endif`,R0=`#ifdef USE_SKINNING + uniform mat4 bindMatrix; + uniform mat4 bindMatrixInverse; + uniform highp sampler2D boneTexture; + mat4 getBoneMatrix( const in float i ) { + int size = textureSize( boneTexture, 0 ).x; + int j = int( i ) * 4; + int x = j % size; + int y = j / size; + vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 ); + vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 ); + vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 ); + vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 ); + return mat4( v1, v2, v3, v4 ); + } +#endif`,P0=`#ifdef USE_SKINNING + vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 ); + vec4 skinned = vec4( 0.0 ); + skinned += boneMatX * skinVertex * skinWeight.x; + skinned += boneMatY * skinVertex * skinWeight.y; + skinned += boneMatZ * skinVertex * skinWeight.z; + skinned += boneMatW * skinVertex * skinWeight.w; + transformed = ( bindMatrixInverse * skinned ).xyz; +#endif`,L0=`#ifdef USE_SKINNING + mat4 skinMatrix = mat4( 0.0 ); + skinMatrix += skinWeight.x * boneMatX; + skinMatrix += skinWeight.y * boneMatY; + skinMatrix += skinWeight.z * boneMatZ; + skinMatrix += skinWeight.w * boneMatW; + skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix; + objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz; + #ifdef USE_TANGENT + objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz; + #endif +#endif`,I0=`float specularStrength; +#ifdef USE_SPECULARMAP + vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv ); + specularStrength = texelSpecular.r; +#else + specularStrength = 1.0; +#endif`,D0=`#ifdef USE_SPECULARMAP + uniform sampler2D specularMap; +#endif`,U0=`#if defined( TONE_MAPPING ) + gl_FragColor.rgb = toneMapping( gl_FragColor.rgb ); +#endif`,N0=`#ifndef saturate +#define saturate( a ) clamp( a, 0.0, 1.0 ) +#endif +uniform float toneMappingExposure; +vec3 LinearToneMapping( vec3 color ) { + return saturate( toneMappingExposure * color ); +} +vec3 ReinhardToneMapping( vec3 color ) { + color *= toneMappingExposure; + return saturate( color / ( vec3( 1.0 ) + color ) ); +} +vec3 OptimizedCineonToneMapping( vec3 color ) { + color *= toneMappingExposure; + color = max( vec3( 0.0 ), color - 0.004 ); + return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) ); +} +vec3 RRTAndODTFit( vec3 v ) { + vec3 a = v * ( v + 0.0245786 ) - 0.000090537; + vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081; + return a / b; +} +vec3 ACESFilmicToneMapping( vec3 color ) { + const mat3 ACESInputMat = mat3( + vec3( 0.59719, 0.07600, 0.02840 ), vec3( 0.35458, 0.90834, 0.13383 ), + vec3( 0.04823, 0.01566, 0.83777 ) + ); + const mat3 ACESOutputMat = mat3( + vec3( 1.60475, -0.10208, -0.00327 ), vec3( -0.53108, 1.10813, -0.07276 ), + vec3( -0.07367, -0.00605, 1.07602 ) + ); + color *= toneMappingExposure / 0.6; + color = ACESInputMat * color; + color = RRTAndODTFit( color ); + color = ACESOutputMat * color; + return saturate( color ); +} +vec3 CustomToneMapping( vec3 color ) { return color; }`,O0=`#ifdef USE_TRANSMISSION + material.transmission = transmission; + material.transmissionAlpha = 1.0; + material.thickness = thickness; + material.attenuationDistance = attenuationDistance; + material.attenuationColor = attenuationColor; + #ifdef USE_TRANSMISSIONMAP + material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r; + #endif + #ifdef USE_THICKNESSMAP + material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g; + #endif + vec3 pos = vWorldPosition; + vec3 v = normalize( cameraPosition - pos ); + vec3 n = inverseTransformDirection( normal, viewMatrix ); + vec4 transmitted = getIBLVolumeRefraction( + n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90, + pos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness, + material.attenuationColor, material.attenuationDistance ); + material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission ); + totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission ); +#endif`,F0=`#ifdef USE_TRANSMISSION + uniform float transmission; + uniform float thickness; + uniform float attenuationDistance; + uniform vec3 attenuationColor; + #ifdef USE_TRANSMISSIONMAP + uniform sampler2D transmissionMap; + #endif + #ifdef USE_THICKNESSMAP + uniform sampler2D thicknessMap; + #endif + uniform vec2 transmissionSamplerSize; + uniform sampler2D transmissionSamplerMap; + uniform mat4 modelMatrix; + uniform mat4 projectionMatrix; + varying vec3 vWorldPosition; + float w0( float a ) { + return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 ); + } + float w1( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 ); + } + float w2( float a ){ + return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 ); + } + float w3( float a ) { + return ( 1.0 / 6.0 ) * ( a * a * a ); + } + float g0( float a ) { + return w0( a ) + w1( a ); + } + float g1( float a ) { + return w2( a ) + w3( a ); + } + float h0( float a ) { + return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) ); + } + float h1( float a ) { + return 1.0 + w3( a ) / ( w2( a ) + w3( a ) ); + } + vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) { + uv = uv * texelSize.zw + 0.5; + vec2 iuv = floor( uv ); + vec2 fuv = fract( uv ); + float g0x = g0( fuv.x ); + float g1x = g1( fuv.x ); + float h0x = h0( fuv.x ); + float h1x = h1( fuv.x ); + float h0y = h0( fuv.y ); + float h1y = h1( fuv.y ); + vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy; + vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy; + return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) + + g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) ); + } + vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) { + vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) ); + vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) ); + vec2 fLodSizeInv = 1.0 / fLodSize; + vec2 cLodSizeInv = 1.0 / cLodSize; + vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) ); + vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) ); + return mix( fSample, cSample, fract( lod ) ); + } + vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) { + vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior ); + vec3 modelScale; + modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) ); + modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) ); + modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) ); + return normalize( refractionVector ) * thickness * modelScale; + } + float applyIorToRoughness( const in float roughness, const in float ior ) { + return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 ); + } + vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) { + float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior ); + return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod ); + } + vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) { + if ( isinf( attenuationDistance ) ) { + return vec3( 1.0 ); + } else { + vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance; + vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance; + } + } + vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor, + const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix, + const in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness, + const in vec3 attenuationColor, const in float attenuationDistance ) { + vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); + vec3 refractedRayExit = position + transmissionRay; + vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 ); + vec2 refractionCoords = ndcPos.xy / ndcPos.w; + refractionCoords += 1.0; + refractionCoords /= 2.0; + vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); + vec3 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance ); + vec3 attenuatedColor = transmittance * transmittedLight.rgb; + vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness ); + float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0; + return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor ); + } +#endif`,B0=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + varying vec2 vUv; +#endif +#ifdef USE_MAP + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + varying vec2 vNormalMapUv; +#endif +#ifdef USE_EMISSIVEMAP + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_SPECULARMAP + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,z0=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + varying vec2 vUv; +#endif +#ifdef USE_MAP + uniform mat3 mapTransform; + varying vec2 vMapUv; +#endif +#ifdef USE_ALPHAMAP + uniform mat3 alphaMapTransform; + varying vec2 vAlphaMapUv; +#endif +#ifdef USE_LIGHTMAP + uniform mat3 lightMapTransform; + varying vec2 vLightMapUv; +#endif +#ifdef USE_AOMAP + uniform mat3 aoMapTransform; + varying vec2 vAoMapUv; +#endif +#ifdef USE_BUMPMAP + uniform mat3 bumpMapTransform; + varying vec2 vBumpMapUv; +#endif +#ifdef USE_NORMALMAP + uniform mat3 normalMapTransform; + varying vec2 vNormalMapUv; +#endif +#ifdef USE_DISPLACEMENTMAP + uniform mat3 displacementMapTransform; + varying vec2 vDisplacementMapUv; +#endif +#ifdef USE_EMISSIVEMAP + uniform mat3 emissiveMapTransform; + varying vec2 vEmissiveMapUv; +#endif +#ifdef USE_METALNESSMAP + uniform mat3 metalnessMapTransform; + varying vec2 vMetalnessMapUv; +#endif +#ifdef USE_ROUGHNESSMAP + uniform mat3 roughnessMapTransform; + varying vec2 vRoughnessMapUv; +#endif +#ifdef USE_ANISOTROPYMAP + uniform mat3 anisotropyMapTransform; + varying vec2 vAnisotropyMapUv; +#endif +#ifdef USE_CLEARCOATMAP + uniform mat3 clearcoatMapTransform; + varying vec2 vClearcoatMapUv; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + uniform mat3 clearcoatNormalMapTransform; + varying vec2 vClearcoatNormalMapUv; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + uniform mat3 clearcoatRoughnessMapTransform; + varying vec2 vClearcoatRoughnessMapUv; +#endif +#ifdef USE_SHEEN_COLORMAP + uniform mat3 sheenColorMapTransform; + varying vec2 vSheenColorMapUv; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + uniform mat3 sheenRoughnessMapTransform; + varying vec2 vSheenRoughnessMapUv; +#endif +#ifdef USE_IRIDESCENCEMAP + uniform mat3 iridescenceMapTransform; + varying vec2 vIridescenceMapUv; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + uniform mat3 iridescenceThicknessMapTransform; + varying vec2 vIridescenceThicknessMapUv; +#endif +#ifdef USE_SPECULARMAP + uniform mat3 specularMapTransform; + varying vec2 vSpecularMapUv; +#endif +#ifdef USE_SPECULAR_COLORMAP + uniform mat3 specularColorMapTransform; + varying vec2 vSpecularColorMapUv; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + uniform mat3 specularIntensityMapTransform; + varying vec2 vSpecularIntensityMapUv; +#endif +#ifdef USE_TRANSMISSIONMAP + uniform mat3 transmissionMapTransform; + varying vec2 vTransmissionMapUv; +#endif +#ifdef USE_THICKNESSMAP + uniform mat3 thicknessMapTransform; + varying vec2 vThicknessMapUv; +#endif`,k0=`#if defined( USE_UV ) || defined( USE_ANISOTROPY ) + vUv = vec3( uv, 1 ).xy; +#endif +#ifdef USE_MAP + vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ALPHAMAP + vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_LIGHTMAP + vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_AOMAP + vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_BUMPMAP + vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_NORMALMAP + vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_DISPLACEMENTMAP + vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_EMISSIVEMAP + vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_METALNESSMAP + vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ROUGHNESSMAP + vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_ANISOTROPYMAP + vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOATMAP + vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_NORMALMAP + vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_CLEARCOAT_ROUGHNESSMAP + vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCEMAP + vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_IRIDESCENCE_THICKNESSMAP + vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_COLORMAP + vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SHEEN_ROUGHNESSMAP + vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULARMAP + vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_COLORMAP + vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_SPECULAR_INTENSITYMAP + vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_TRANSMISSIONMAP + vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy; +#endif +#ifdef USE_THICKNESSMAP + vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy; +#endif`,V0=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0 + vec4 worldPosition = vec4( transformed, 1.0 ); + #ifdef USE_BATCHING + worldPosition = batchingMatrix * worldPosition; + #endif + #ifdef USE_INSTANCING + worldPosition = instanceMatrix * worldPosition; + #endif + worldPosition = modelMatrix * worldPosition; +#endif`;const H0=`varying vec2 vUv; +uniform mat3 uvTransform; +void main() { + vUv = ( uvTransform * vec3( uv, 1 ) ).xy; + gl_Position = vec4( position.xy, 1.0, 1.0 ); +}`,G0=`uniform sampler2D t2D; +uniform float backgroundIntensity; +varying vec2 vUv; +void main() { + vec4 texColor = texture2D( t2D, vUv ); + #ifdef DECODE_VIDEO_TEXTURE + texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; + #include + #include +}`,W0=`varying vec3 vWorldDirection; +#include +void main() { + vWorldDirection = transformDirection( position, modelMatrix ); + #include + #include + gl_Position.z = gl_Position.w; +}`,X0=`#ifdef ENVMAP_TYPE_CUBE + uniform samplerCube envMap; +#elif defined( ENVMAP_TYPE_CUBE_UV ) + uniform sampler2D envMap; +#endif +uniform float flipEnvMap; +uniform float backgroundBlurriness; +uniform float backgroundIntensity; +varying vec3 vWorldDirection; +#include +void main() { + #ifdef ENVMAP_TYPE_CUBE + vec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) ); + #elif defined( ENVMAP_TYPE_CUBE_UV ) + vec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness ); + #else + vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + #endif + texColor.rgb *= backgroundIntensity; + gl_FragColor = texColor; + #include + #include +}`,q0=`varying vec3 vWorldDirection; +#include +void main() { + vWorldDirection = transformDirection( position, modelMatrix ); + #include + #include + gl_Position.z = gl_Position.w; +}`,Y0=`uniform samplerCube tCube; +uniform float tFlip; +uniform float opacity; +varying vec3 vWorldDirection; +void main() { + vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) ); + gl_FragColor = texColor; + gl_FragColor.a *= opacity; + #include + #include +}`,Z0=`#include +#include +#include +#include +#include +#include +#include +#include +varying vec2 vHighPrecisionZW; +void main() { + #include + #include + #include + #ifdef USE_DISPLACEMENTMAP + #include + #include + #include + #endif + #include + #include + #include + #include + #include + #include + #include + vHighPrecisionZW = gl_Position.zw; +}`,K0=`#if DEPTH_PACKING == 3200 + uniform float opacity; +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +varying vec2 vHighPrecisionZW; +void main() { + #include + vec4 diffuseColor = vec4( 1.0 ); + #if DEPTH_PACKING == 3200 + diffuseColor.a = opacity; + #endif + #include + #include + #include + #include + #include + float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5; + #if DEPTH_PACKING == 3200 + gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity ); + #elif DEPTH_PACKING == 3201 + gl_FragColor = packDepthToRGBA( fragCoordZ ); + #endif +}`,J0=`#define DISTANCE +varying vec3 vWorldPosition; +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #ifdef USE_DISPLACEMENTMAP + #include + #include + #include + #endif + #include + #include + #include + #include + #include + #include + #include + vWorldPosition = worldPosition.xyz; +}`,j0=`#define DISTANCE +uniform vec3 referencePosition; +uniform float nearDistance; +uniform float farDistance; +varying vec3 vWorldPosition; +#include +#include +#include +#include +#include +#include +#include +#include +void main () { + #include + vec4 diffuseColor = vec4( 1.0 ); + #include + #include + #include + #include + float dist = length( vWorldPosition - referencePosition ); + dist = ( dist - nearDistance ) / ( farDistance - nearDistance ); + dist = saturate( dist ); + gl_FragColor = packDepthToRGBA( dist ); +}`,Q0=`varying vec3 vWorldDirection; +#include +void main() { + vWorldDirection = transformDirection( position, modelMatrix ); + #include + #include +}`,$0=`uniform sampler2D tEquirect; +varying vec3 vWorldDirection; +#include +void main() { + vec3 direction = normalize( vWorldDirection ); + vec2 sampleUV = equirectUv( direction ); + gl_FragColor = texture2D( tEquirect, sampleUV ); + #include + #include +}`,ev=`uniform float scale; +attribute float lineDistance; +varying float vLineDistance; +#include +#include +#include +#include +#include +#include +#include +void main() { + vLineDistance = scale * lineDistance; + #include + #include + #include + #include + #include + #include + #include + #include + #include +}`,tv=`uniform vec3 diffuse; +uniform float opacity; +uniform float dashSize; +uniform float totalSize; +varying float vLineDistance; +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + if ( mod( vLineDistance, totalSize ) > dashSize ) { + discard; + } + vec3 outgoingLight = vec3( 0.0 ); + vec4 diffuseColor = vec4( diffuse, opacity ); + #include + #include + #include + outgoingLight = diffuseColor.rgb; + #include + #include + #include + #include + #include +}`,nv=`#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING ) + #include + #include + #include + #include + #include + #endif + #include + #include + #include + #include + #include + #include + #include + #include + #include +}`,iv=`uniform vec3 diffuse; +uniform float opacity; +#ifndef FLAT_SHADED + varying vec3 vNormal; +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec4 diffuseColor = vec4( diffuse, opacity ); + #include + #include + #include + #include + #include + #include + #include + ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); + #ifdef USE_LIGHTMAP + vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); + reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI; + #else + reflectedLight.indirectDiffuse += vec3( 1.0 ); + #endif + #include + reflectedLight.indirectDiffuse *= diffuseColor.rgb; + vec3 outgoingLight = reflectedLight.indirectDiffuse; + #include + #include + #include + #include + #include + #include + #include +}`,sv=`#define LAMBERT +varying vec3 vViewPosition; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vViewPosition = - mvPosition.xyz; + #include + #include + #include + #include +}`,rv=`#define LAMBERT +uniform vec3 diffuse; +uniform vec3 emissive; +uniform float opacity; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec4 diffuseColor = vec4( diffuse, opacity ); + ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); + vec3 totalEmissiveRadiance = emissive; + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; + #include + #include + #include + #include + #include + #include + #include +}`,av=`#define MATCAP +varying vec3 vViewPosition; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vViewPosition = - mvPosition.xyz; +}`,ov=`#define MATCAP +uniform vec3 diffuse; +uniform float opacity; +uniform sampler2D matcap; +varying vec3 vViewPosition; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec4 diffuseColor = vec4( diffuse, opacity ); + #include + #include + #include + #include + #include + #include + #include + #include + vec3 viewDir = normalize( vViewPosition ); + vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) ); + vec3 y = cross( viewDir, x ); + vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; + #ifdef USE_MATCAP + vec4 matcapColor = texture2D( matcap, uv ); + #else + vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 ); + #endif + vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb; + #include + #include + #include + #include + #include + #include +}`,lv=`#define NORMAL +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) + varying vec3 vViewPosition; +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) + vViewPosition = - mvPosition.xyz; +#endif +}`,cv=`#define NORMAL +uniform float opacity; +#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE ) + varying vec3 vViewPosition; +#endif +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + gl_FragColor = vec4( packNormalToRGB( normal ), opacity ); + #ifdef OPAQUE + gl_FragColor.a = 1.0; + #endif +}`,hv=`#define PHONG +varying vec3 vViewPosition; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vViewPosition = - mvPosition.xyz; + #include + #include + #include + #include +}`,uv=`#define PHONG +uniform vec3 diffuse; +uniform vec3 emissive; +uniform vec3 specular; +uniform float shininess; +uniform float opacity; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec4 diffuseColor = vec4( diffuse, opacity ); + ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); + vec3 totalEmissiveRadiance = emissive; + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance; + #include + #include + #include + #include + #include + #include + #include +}`,fv=`#define STANDARD +varying vec3 vViewPosition; +#ifdef USE_TRANSMISSION + varying vec3 vWorldPosition; +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vViewPosition = - mvPosition.xyz; + #include + #include + #include +#ifdef USE_TRANSMISSION + vWorldPosition = worldPosition.xyz; +#endif +}`,dv=`#define STANDARD +#ifdef PHYSICAL + #define IOR + #define USE_SPECULAR +#endif +uniform vec3 diffuse; +uniform vec3 emissive; +uniform float roughness; +uniform float metalness; +uniform float opacity; +#ifdef IOR + uniform float ior; +#endif +#ifdef USE_SPECULAR + uniform float specularIntensity; + uniform vec3 specularColor; + #ifdef USE_SPECULAR_COLORMAP + uniform sampler2D specularColorMap; + #endif + #ifdef USE_SPECULAR_INTENSITYMAP + uniform sampler2D specularIntensityMap; + #endif +#endif +#ifdef USE_CLEARCOAT + uniform float clearcoat; + uniform float clearcoatRoughness; +#endif +#ifdef USE_IRIDESCENCE + uniform float iridescence; + uniform float iridescenceIOR; + uniform float iridescenceThicknessMinimum; + uniform float iridescenceThicknessMaximum; +#endif +#ifdef USE_SHEEN + uniform vec3 sheenColor; + uniform float sheenRoughness; + #ifdef USE_SHEEN_COLORMAP + uniform sampler2D sheenColorMap; + #endif + #ifdef USE_SHEEN_ROUGHNESSMAP + uniform sampler2D sheenRoughnessMap; + #endif +#endif +#ifdef USE_ANISOTROPY + uniform vec2 anisotropyVector; + #ifdef USE_ANISOTROPYMAP + uniform sampler2D anisotropyMap; + #endif +#endif +varying vec3 vViewPosition; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec4 diffuseColor = vec4( diffuse, opacity ); + ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); + vec3 totalEmissiveRadiance = emissive; + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse; + vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular; + #include + vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance; + #ifdef USE_SHEEN + float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor ); + outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect; + #endif + #ifdef USE_CLEARCOAT + float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) ); + vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc ); + outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat; + #endif + #include + #include + #include + #include + #include + #include +}`,pv=`#define TOON +varying vec3 vViewPosition; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vViewPosition = - mvPosition.xyz; + #include + #include + #include +}`,mv=`#define TOON +uniform vec3 diffuse; +uniform vec3 emissive; +uniform float opacity; +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec4 diffuseColor = vec4( diffuse, opacity ); + ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); + vec3 totalEmissiveRadiance = emissive; + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; + #include + #include + #include + #include + #include + #include +}`,gv=`uniform float size; +uniform float scale; +#include +#include +#include +#include +#include +#include +#ifdef USE_POINTS_UV + varying vec2 vUv; + uniform mat3 uvTransform; +#endif +void main() { + #ifdef USE_POINTS_UV + vUv = ( uvTransform * vec3( uv, 1 ) ).xy; + #endif + #include + #include + #include + #include + #include + gl_PointSize = size; + #ifdef USE_SIZEATTENUATION + bool isPerspective = isPerspectiveMatrix( projectionMatrix ); + if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z ); + #endif + #include + #include + #include + #include +}`,_v=`uniform vec3 diffuse; +uniform float opacity; +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec3 outgoingLight = vec3( 0.0 ); + vec4 diffuseColor = vec4( diffuse, opacity ); + #include + #include + #include + #include + #include + outgoingLight = diffuseColor.rgb; + #include + #include + #include + #include + #include +}`,vv=`#include +#include +#include +#include +#include +#include +#include +void main() { + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include +}`,xv=`uniform vec3 color; +uniform float opacity; +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) ); + #include + #include + #include +}`,yv=`uniform float rotation; +uniform vec2 center; +#include +#include +#include +#include +#include +void main() { + #include + vec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 ); + vec2 scale; + scale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) ); + scale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) ); + #ifndef USE_SIZEATTENUATION + bool isPerspective = isPerspectiveMatrix( projectionMatrix ); + if ( isPerspective ) scale *= - mvPosition.z; + #endif + vec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale; + vec2 rotatedPosition; + rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y; + rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y; + mvPosition.xy += rotatedPosition; + gl_Position = projectionMatrix * mvPosition; + #include + #include + #include +}`,Mv=`uniform vec3 diffuse; +uniform float opacity; +#include +#include +#include +#include +#include +#include +#include +#include +#include +void main() { + #include + vec3 outgoingLight = vec3( 0.0 ); + vec4 diffuseColor = vec4( diffuse, opacity ); + #include + #include + #include + #include + #include + outgoingLight = diffuseColor.rgb; + #include + #include + #include + #include 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c=a||e.has("WEBGL_draw_buffers"),h=t.logarithmicDepthBuffer===!0,u=r.getParameter(r.MAX_TEXTURE_IMAGE_UNITS),f=r.getParameter(r.MAX_VERTEX_TEXTURE_IMAGE_UNITS),d=r.getParameter(r.MAX_TEXTURE_SIZE),m=r.getParameter(r.MAX_CUBE_MAP_TEXTURE_SIZE),_=r.getParameter(r.MAX_VERTEX_ATTRIBS),g=r.getParameter(r.MAX_VERTEX_UNIFORM_VECTORS),p=r.getParameter(r.MAX_VARYING_VECTORS),x=r.getParameter(r.MAX_FRAGMENT_UNIFORM_VECTORS),v=f>0,y=a||e.has("OES_texture_float"),E=v&&y,b=a?r.getParameter(r.MAX_SAMPLES):0;return{isWebGL2:a,drawBuffers:c,getMaxAnisotropy:i,getMaxPrecision:s,precision:o,logarithmicDepthBuffer:h,maxTextures:u,maxVertexTextures:f,maxTextureSize:d,maxCubemapSize:m,maxAttributes:_,maxVertexUniforms:g,maxVaryings:p,maxFragmentUniforms:x,vertexTextures:v,floatFragmentTextures:y,floatVertexTextures:E,maxSamples:b}}function wv(r){const e=this;let t=null,n=0,i=!1,s=!1;const a=new ei,o=new Ke,l={value:null,needsUpdate:!1};this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(u,f){const d=u.length!==0||f||n!==0||i;return i=f,n=u.length,d},this.beginShadows=function(){s=!0,h(null)},this.endShadows=function(){s=!1},this.setGlobalState=function(u,f){t=h(u,f,0)},this.setState=function(u,f,d){const m=u.clippingPlanes,_=u.clipIntersection,g=u.clipShadows,p=r.get(u);if(!i||m===null||m.length===0||s&&!g)s?h(null):c();else{const x=s?0:n,v=x*4;let y=p.clippingState||null;l.value=y,y=h(m,f,v,d);for(let E=0;E!==v;++E)y[E]=t[E];p.clippingState=y,this.numIntersection=_?this.numPlanes:0,this.numPlanes+=x}};function c(){l.value!==t&&(l.value=t,l.needsUpdate=n>0),e.numPlanes=n,e.numIntersection=0}function h(u,f,d,m){const _=u!==null?u.length:0;let g=null;if(_!==0){if(g=l.value,m!==!0||g===null){const p=d+_*4,x=f.matrixWorldInverse;o.getNormalMatrix(x),(g===null||g.length0){const c=new Vd(l.height/2);return c.fromEquirectangularTexture(r,a),e.set(a,c),a.addEventListener("dispose",i),t(c.texture,a.mapping)}else return null}}return a}function i(a){const o=a.target;o.removeEventListener("dispose",i);const l=e.get(o);l!==void 0&&(e.delete(o),l.dispose())}function s(){e=new WeakMap}return{get:n,dispose:s}}class wo extends To{constructor(e=-1,t=1,n=1,i=-1,s=.1,a=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=i,this.near=s,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=e.view===null?null:Object.assign({},e.view),this}setViewOffset(e,t,n,i,s,a){this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let s=n-e,a=n+e,o=i+t,l=i-t;if(this.view!==null&&this.view.enabled){const c=(this.right-this.left)/this.view.fullWidth/this.zoom,h=(this.top-this.bottom)/this.view.fullHeight/this.zoom;s+=c*this.view.offsetX,a=s+c*this.view.width,o-=h*this.view.offsetY,l=o-h*this.view.height}this.projectionMatrix.makeOrthographic(s,a,o,l,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,this.view!==null&&(t.object.view=Object.assign({},this.view)),t}}const zs=4,Yh=[.125,.215,.35,.446,.526,.582],ji=20,_l=new wo,Zh=new ye;let vl=null,xl=0,yl=0;const Ji=(1+Math.sqrt(5))/2,Ls=1/Ji,Kh=[new C(1,1,1),new C(-1,1,1),new C(1,1,-1),new C(-1,1,-1),new C(0,Ji,Ls),new C(0,Ji,-Ls),new C(Ls,0,Ji),new C(-Ls,0,Ji),new C(Ji,Ls,0),new C(-Ji,Ls,0)];class Sc{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,n=.1,i=100){vl=this._renderer.getRenderTarget(),xl=this._renderer.getActiveCubeFace(),yl=this._renderer.getActiveMipmapLevel(),this._setSize(256);const s=this._allocateTargets();return s.depthBuffer=!0,this._sceneToCubeUV(e,n,i,s),t>0&&this._blur(s,0,0,t),this._applyPMREM(s),this._cleanup(s),s}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){this._cubemapMaterial===null&&(this._cubemapMaterial=Qh(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){this._equirectMaterial===null&&(this._equirectMaterial=jh(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),this._cubemapMaterial!==null&&this._cubemapMaterial.dispose(),this._equirectMaterial!==null&&this._equirectMaterial.dispose()}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){this._blurMaterial!==null&&this._blurMaterial.dispose(),this._pingPongRenderTarget!==null&&this._pingPongRenderTarget.dispose();for(let e=0;e2?v:0,v,v),h.setRenderTarget(i),_&&h.render(m,o),h.render(e,o)}m.geometry.dispose(),m.material.dispose(),h.toneMapping=f,h.autoClear=u,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,i=e.mapping===di||e.mapping===Ci;i?(this._cubemapMaterial===null&&(this._cubemapMaterial=Qh()),this._cubemapMaterial.uniforms.flipEnvMap.value=e.isRenderTargetTexture===!1?-1:1):this._equirectMaterial===null&&(this._equirectMaterial=jh());const s=i?this._cubemapMaterial:this._equirectMaterial,a=new At(this._lodPlanes[0],s),o=s.uniforms;o.envMap.value=e;const l=this._cubeSize;Sa(t,0,0,3*l,2*l),n.setRenderTarget(t),n.render(a,_l)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;for(let i=1;iji&&console.warn(`sigmaRadians, ${s}, is too large and will clip, as it requested ${g} samples when the maximum is set to ${ji}`);const p=[];let x=0;for(let S=0;Sv-zs?i-v+zs:0),b=4*(this._cubeSize-y);Sa(t,E,b,3*y,2*y),l.setRenderTarget(t),l.render(u,_l)}}function Cv(r){const e=[],t=[],n=[];let i=r;const s=r-zs+1+Yh.length;for(let a=0;ar-zs?l=Yh[a-r+zs-1]:a===0&&(l=0),n.push(l);const c=1/(o-2),h=-c,u=1+c,f=[h,h,u,h,u,u,h,h,u,u,h,u],d=6,m=6,_=3,g=2,p=1,x=new Float32Array(_*m*d),v=new Float32Array(g*m*d),y=new Float32Array(p*m*d);for(let b=0;b2?0:-1,M=[S,L,0,S+2/3,L,0,S+2/3,L+1,0,S,L,0,S+2/3,L+1,0,S,L+1,0];x.set(M,_*m*b),v.set(f,g*m*b);const A=[b,b,b,b,b,b];y.set(A,p*m*b)}const E=new Ye;E.setAttribute("position",new et(x,_)),E.setAttribute("uv",new et(v,g)),E.setAttribute("faceIndex",new et(y,p)),e.push(E),i>zs&&i--}return{lodPlanes:e,sizeLods:t,sigmas:n}}function Jh(r,e,t){const n=new Rn(r,e,t);return n.texture.mapping=Js,n.texture.name="PMREM.cubeUv",n.scissorTest=!0,n}function Sa(r,e,t,n,i){r.viewport.set(e,t,n,i),r.scissor.set(e,t,n,i)}function Rv(r,e,t){const n=new Float32Array(ji),i=new C(0,1,0);return new Pn({name:"SphericalGaussianBlur",defines:{n:ji,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/t,CUBEUV_MAX_MIP:`${r}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:i}},vertexShader:Jc(),fragmentShader:` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + uniform int samples; + uniform float weights[ n ]; + uniform bool latitudinal; + uniform float dTheta; + uniform float mipInt; + uniform vec3 poleAxis; + + #define ENVMAP_TYPE_CUBE_UV + #include + + vec3 getSample( float theta, vec3 axis ) { + + float cosTheta = cos( theta ); + // Rodrigues' axis-angle rotation + vec3 sampleDirection = vOutputDirection * cosTheta + + cross( axis, vOutputDirection ) * sin( theta ) + + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta ); + + return bilinearCubeUV( envMap, sampleDirection, mipInt ); + + } + + void main() { + + vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection ); + + if ( all( equal( axis, vec3( 0.0 ) ) ) ) { + + axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x ); + + } + + axis = normalize( axis ); + + gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis ); + + for ( int i = 1; i < n; i++ ) { + + if ( i >= samples ) { + + break; + + } + + float theta = dTheta * float( i ); + gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis ); + gl_FragColor.rgb += weights[ i ] * getSample( theta, axis ); + + } + + } + `,blending:li,depthTest:!1,depthWrite:!1})}function jh(){return new Pn({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Jc(),fragmentShader:` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + + #include + + void main() { + + vec3 outputDirection = normalize( vOutputDirection ); + vec2 uv = equirectUv( outputDirection ); + + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); + + } + `,blending:li,depthTest:!1,depthWrite:!1})}function Qh(){return new Pn({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Jc(),fragmentShader:` + + precision mediump float; + precision mediump int; + + uniform float flipEnvMap; + + varying vec3 vOutputDirection; + + uniform samplerCube envMap; + + void main() { + + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); + + } + `,blending:li,depthTest:!1,depthWrite:!1})}function Jc(){return` + + precision mediump float; + precision mediump int; + + attribute float faceIndex; + + varying vec3 vOutputDirection; + + // RH coordinate system; PMREM face-indexing convention + vec3 getDirection( vec2 uv, float face ) { + + uv = 2.0 * uv - 1.0; + + vec3 direction = vec3( uv, 1.0 ); + + if ( face == 0.0 ) { + + direction = direction.zyx; // ( 1, v, u ) pos x + + } else if ( face == 1.0 ) { + + direction = direction.xzy; + direction.xz *= -1.0; // ( -u, 1, -v ) pos y + + } else if ( face == 2.0 ) { + + direction.x *= -1.0; // ( -u, v, 1 ) pos z + + } else if ( face == 3.0 ) { + + direction = direction.zyx; + direction.xz *= -1.0; // ( -1, v, -u ) neg x + + } else if ( face == 4.0 ) { + + direction = direction.xzy; + direction.xy *= -1.0; // ( -u, -1, v ) neg y + + } else if ( face == 5.0 ) { + + direction.z *= -1.0; // ( u, v, -1 ) neg z + + } + + return direction; + + } + + void main() { + + vOutputDirection = getDirection( uv, faceIndex ); + gl_Position = vec4( position, 1.0 ); + + } + `}function Pv(r){let e=new WeakMap,t=null;function n(o){if(o&&o.isTexture){const l=o.mapping,c=l===br||l===Sr,h=l===di||l===Ci;if(c||h)if(o.isRenderTargetTexture&&o.needsPMREMUpdate===!0){o.needsPMREMUpdate=!1;let u=e.get(o);return t===null&&(t=new Sc(r)),u=c?t.fromEquirectangular(o,u):t.fromCubemap(o,u),e.set(o,u),u.texture}else{if(e.has(o))return e.get(o).texture;{const u=o.image;if(c&&u&&u.height>0||h&&u&&i(u)){t===null&&(t=new Sc(r));const f=c?t.fromEquirectangular(o):t.fromCubemap(o);return e.set(o,f),o.addEventListener("dispose",s),f.texture}else return null}}}return o}function i(o){let l=0;const c=6;for(let h=0;he.maxTextureSize&&(A=Math.ceil(M/e.maxTextureSize),M=e.maxTextureSize);const U=new Float32Array(M*A*4*m),z=new So(U,M,A,m);z.type=An,z.needsUpdate=!0;const K=L*4;for(let F=0;F0)return r;const i=e*t;let s=$h[i];if(s===void 0&&(s=new Float32Array(i),$h[i]=s),e!==0){n.toArray(s,0);for(let a=1,o=0;a!==e;++a)o+=t,r[a].toArray(s,o)}return s}function Pt(r,e){if(r.length!==e.length)return!1;for(let t=0,n=r.length;t":" "} ${o}: ${t[a]}`)}return n.join(` +`)}function Ix(r){const e=it.getPrimaries(it.workingColorSpace),t=it.getPrimaries(r);let n;switch(e===t?n="":e===Ir&&t===Lr?n="LinearDisplayP3ToLinearSRGB":e===Lr&&t===Ir&&(n="LinearSRGBToLinearDisplayP3"),r){case Gn:case Wr:return[n,"LinearTransferOETF"];case Ct:case bo:return[n,"sRGBTransferOETF"];default:return console.warn("THREE.WebGLProgram: Unsupported color space:",r),[n,"LinearTransferOETF"]}}function au(r,e,t){const n=r.getShaderParameter(e,r.COMPILE_STATUS),i=r.getShaderInfoLog(e).trim();if(n&&i==="")return"";const s=/ERROR: 0:(\d+)/.exec(i);if(s){const a=parseInt(s[1]);return t.toUpperCase()+` + +`+i+` + +`+Lx(r.getShaderSource(e),a)}else return i}function Dx(r,e){const t=Ix(e);return`vec4 ${r}( vec4 value ) { return ${t[0]}( ${t[1]}( value ) ); }`}function Ux(r,e){let t;switch(e){case od:t="Linear";break;case ld:t="Reinhard";break;case cd:t="OptimizedCineon";break;case Uc:t="ACESFilmic";break;case hd:t="Custom";break;default:console.warn("THREE.WebGLProgram: Unsupported toneMapping:",e),t="Linear"}return"vec3 "+r+"( vec3 color ) { return "+t+"ToneMapping( color ); }"}function Nx(r){return[r.extensionDerivatives||r.envMapCubeUVHeight||r.bumpMap||r.normalMapTangentSpace||r.clearcoatNormalMap||r.flatShading||r.shaderID==="physical"?"#extension GL_OES_standard_derivatives : enable":"",(r.extensionFragDepth||r.logarithmicDepthBuffer)&&r.rendererExtensionFragDepth?"#extension GL_EXT_frag_depth : enable":"",r.extensionDrawBuffers&&r.rendererExtensionDrawBuffers?"#extension GL_EXT_draw_buffers : require":"",(r.extensionShaderTextureLOD||r.envMap||r.transmission)&&r.rendererExtensionShaderTextureLod?"#extension GL_EXT_shader_texture_lod : enable":""].filter(pr).join(` +`)}function Ox(r){const e=[];for(const t in r){const n=r[t];n!==!1&&e.push("#define "+t+" "+n)}return e.join(` +`)}function Fx(r,e){const t={},n=r.getProgramParameter(e,r.ACTIVE_ATTRIBUTES);for(let i=0;i/gm;function Ec(r){return r.replace(Bx,kx)}const zx=new Map([["encodings_fragment","colorspace_fragment"],["encodings_pars_fragment","colorspace_pars_fragment"],["output_fragment","opaque_fragment"]]);function kx(r,e){let t=Fe[e];if(t===void 0){const n=zx.get(e);if(n!==void 0)t=Fe[n],console.warn('THREE.WebGLRenderer: Shader chunk "%s" has been deprecated. Use "%s" instead.',e,n);else throw new Error("Can not resolve #include <"+e+">")}return Ec(t)}const Vx=/#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;function cu(r){return r.replace(Vx,Hx)}function Hx(r,e,t,n){let i="";for(let s=parseInt(e);s0&&(g+=` +`),p=[d,"#define SHADER_TYPE "+t.shaderType,"#define SHADER_NAME "+t.shaderName,m].filter(pr).join(` +`),p.length>0&&(p+=` +`)):(g=[hu(t),"#define SHADER_TYPE "+t.shaderType,"#define SHADER_NAME "+t.shaderName,m,t.batching?"#define USE_BATCHING":"",t.instancing?"#define USE_INSTANCING":"",t.instancingColor?"#define USE_INSTANCING_COLOR":"",t.useFog&&t.fog?"#define USE_FOG":"",t.useFog&&t.fogExp2?"#define FOG_EXP2":"",t.map?"#define USE_MAP":"",t.envMap?"#define USE_ENVMAP":"",t.envMap?"#define "+h:"",t.lightMap?"#define USE_LIGHTMAP":"",t.aoMap?"#define USE_AOMAP":"",t.bumpMap?"#define USE_BUMPMAP":"",t.normalMap?"#define USE_NORMALMAP":"",t.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",t.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",t.displacementMap?"#define USE_DISPLACEMENTMAP":"",t.emissiveMap?"#define USE_EMISSIVEMAP":"",t.anisotropy?"#define USE_ANISOTROPY":"",t.anisotropyMap?"#define USE_ANISOTROPYMAP":"",t.clearcoatMap?"#define USE_CLEARCOATMAP":"",t.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",t.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",t.iridescenceMap?"#define USE_IRIDESCENCEMAP":"",t.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",t.specularMap?"#define USE_SPECULARMAP":"",t.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",t.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",t.roughnessMap?"#define USE_ROUGHNESSMAP":"",t.metalnessMap?"#define USE_METALNESSMAP":"",t.alphaMap?"#define USE_ALPHAMAP":"",t.alphaHash?"#define USE_ALPHAHASH":"",t.transmission?"#define USE_TRANSMISSION":"",t.transmissionMap?"#define USE_TRANSMISSIONMAP":"",t.thicknessMap?"#define USE_THICKNESSMAP":"",t.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",t.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",t.mapUv?"#define MAP_UV "+t.mapUv:"",t.alphaMapUv?"#define ALPHAMAP_UV "+t.alphaMapUv:"",t.lightMapUv?"#define LIGHTMAP_UV "+t.lightMapUv:"",t.aoMapUv?"#define AOMAP_UV "+t.aoMapUv:"",t.emissiveMapUv?"#define EMISSIVEMAP_UV "+t.emissiveMapUv:"",t.bumpMapUv?"#define BUMPMAP_UV "+t.bumpMapUv:"",t.normalMapUv?"#define NORMALMAP_UV "+t.normalMapUv:"",t.displacementMapUv?"#define DISPLACEMENTMAP_UV "+t.displacementMapUv:"",t.metalnessMapUv?"#define METALNESSMAP_UV "+t.metalnessMapUv:"",t.roughnessMapUv?"#define ROUGHNESSMAP_UV "+t.roughnessMapUv:"",t.anisotropyMapUv?"#define ANISOTROPYMAP_UV "+t.anisotropyMapUv:"",t.clearcoatMapUv?"#define CLEARCOATMAP_UV "+t.clearcoatMapUv:"",t.clearcoatNormalMapUv?"#define CLEARCOAT_NORMALMAP_UV 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USE_UV2":"",t.vertexUv3s?"#define USE_UV3":"",t.pointsUvs?"#define USE_POINTS_UV":"",t.flatShading?"#define FLAT_SHADED":"",t.skinning?"#define USE_SKINNING":"",t.morphTargets?"#define USE_MORPHTARGETS":"",t.morphNormals&&t.flatShading===!1?"#define USE_MORPHNORMALS":"",t.morphColors&&t.isWebGL2?"#define USE_MORPHCOLORS":"",t.morphTargetsCount>0&&t.isWebGL2?"#define MORPHTARGETS_TEXTURE":"",t.morphTargetsCount>0&&t.isWebGL2?"#define MORPHTARGETS_TEXTURE_STRIDE "+t.morphTextureStride:"",t.morphTargetsCount>0&&t.isWebGL2?"#define MORPHTARGETS_COUNT "+t.morphTargetsCount:"",t.doubleSided?"#define DOUBLE_SIDED":"",t.flipSided?"#define FLIP_SIDED":"",t.shadowMapEnabled?"#define USE_SHADOWMAP":"",t.shadowMapEnabled?"#define "+l:"",t.sizeAttenuation?"#define USE_SIZEATTENUATION":"",t.numLightProbes>0?"#define USE_LIGHT_PROBES":"",t.useLegacyLights?"#define LEGACY_LIGHTS":"",t.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",t.logarithmicDepthBuffer&&t.rendererExtensionFragDepth?"#define 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USE_BUMPMAP":"",t.normalMap?"#define USE_NORMALMAP":"",t.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",t.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",t.emissiveMap?"#define USE_EMISSIVEMAP":"",t.anisotropy?"#define USE_ANISOTROPY":"",t.anisotropyMap?"#define USE_ANISOTROPYMAP":"",t.clearcoat?"#define USE_CLEARCOAT":"",t.clearcoatMap?"#define USE_CLEARCOATMAP":"",t.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",t.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",t.iridescence?"#define USE_IRIDESCENCE":"",t.iridescenceMap?"#define USE_IRIDESCENCEMAP":"",t.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",t.specularMap?"#define USE_SPECULARMAP":"",t.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",t.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",t.roughnessMap?"#define USE_ROUGHNESSMAP":"",t.metalnessMap?"#define USE_METALNESSMAP":"",t.alphaMap?"#define USE_ALPHAMAP":"",t.alphaTest?"#define USE_ALPHATEST":"",t.alphaHash?"#define USE_ALPHAHASH":"",t.sheen?"#define USE_SHEEN":"",t.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",t.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",t.transmission?"#define USE_TRANSMISSION":"",t.transmissionMap?"#define USE_TRANSMISSIONMAP":"",t.thicknessMap?"#define USE_THICKNESSMAP":"",t.vertexTangents&&t.flatShading===!1?"#define USE_TANGENT":"",t.vertexColors||t.instancingColor?"#define USE_COLOR":"",t.vertexAlphas?"#define USE_COLOR_ALPHA":"",t.vertexUv1s?"#define USE_UV1":"",t.vertexUv2s?"#define USE_UV2":"",t.vertexUv3s?"#define USE_UV3":"",t.pointsUvs?"#define USE_POINTS_UV":"",t.gradientMap?"#define USE_GRADIENTMAP":"",t.flatShading?"#define FLAT_SHADED":"",t.doubleSided?"#define DOUBLE_SIDED":"",t.flipSided?"#define FLIP_SIDED":"",t.shadowMapEnabled?"#define USE_SHADOWMAP":"",t.shadowMapEnabled?"#define "+l:"",t.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",t.numLightProbes>0?"#define USE_LIGHT_PROBES":"",t.useLegacyLights?"#define LEGACY_LIGHTS":"",t.decodeVideoTexture?"#define DECODE_VIDEO_TEXTURE":"",t.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",t.logarithmicDepthBuffer&&t.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",t.toneMapping!==ci?"#define TONE_MAPPING":"",t.toneMapping!==ci?Fe.tonemapping_pars_fragment:"",t.toneMapping!==ci?Ux("toneMapping",t.toneMapping):"",t.dithering?"#define DITHERING":"",t.opaque?"#define OPAQUE":"",Fe.colorspace_pars_fragment,Dx("linearToOutputTexel",t.outputColorSpace),t.useDepthPacking?"#define DEPTH_PACKING "+t.depthPacking:"",` +`].filter(pr).join(` +`)),a=Ec(a),a=ou(a,t),a=lu(a,t),o=Ec(o),o=ou(o,t),o=lu(o,t),a=cu(a),o=cu(o),t.isWebGL2&&t.isRawShaderMaterial!==!0&&(x=`#version 300 es +`,g=["precision mediump sampler2DArray;","#define attribute in","#define varying out","#define texture2D texture"].join(` +`)+` 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z=i.getProgramInfoLog(_).trim(),K=i.getShaderInfoLog(E).trim(),D=i.getShaderInfoLog(b).trim();let F=!0,J=!0;if(i.getProgramParameter(_,i.LINK_STATUS)===!1)if(F=!1,typeof r.debug.onShaderError=="function")r.debug.onShaderError(i,_,E,b);else{const X=au(i,E,"vertex"),re=au(i,b,"fragment");console.error("THREE.WebGLProgram: Shader Error "+i.getError()+" - VALIDATE_STATUS "+i.getProgramParameter(_,i.VALIDATE_STATUS)+` + +Program Info Log: `+z+` +`+X+` +`+re)}else z!==""?console.warn("THREE.WebGLProgram: Program Info Log:",z):(K===""||D==="")&&(J=!1);J&&(U.diagnostics={runnable:F,programLog:z,vertexShader:{log:K,prefix:g},fragmentShader:{log:D,prefix:p}})}i.deleteShader(E),i.deleteShader(b),L=new no(i,_),M=Fx(i,_)}let L;this.getUniforms=function(){return L===void 0&&S(this),L};let M;this.getAttributes=function(){return M===void 0&&S(this),M};let A=t.rendererExtensionParallelShaderCompile===!1;return this.isReady=function(){return A===!1&&(A=i.getProgramParameter(_,Rx)),A},this.destroy=function(){n.releaseStatesOfProgram(this),i.deleteProgram(_),this.program=void 0},this.type=t.shaderType,this.name=t.shaderName,this.id=Px++,this.cacheKey=e,this.usedTimes=1,this.program=_,this.vertexShader=E,this.fragmentShader=b,this}let Kx=0;class Jx{constructor(){this.shaderCache=new Map,this.materialCache=new Map}update(e){const t=e.vertexShader,n=e.fragmentShader,i=this._getShaderStage(t),s=this._getShaderStage(n),a=this._getShaderCacheForMaterial(e);return a.has(i)===!1&&(a.add(i),i.usedTimes++),a.has(s)===!1&&(a.add(s),s.usedTimes++),this}remove(e){const t=this.materialCache.get(e);for(const n of t)n.usedTimes--,n.usedTimes===0&&this.shaderCache.delete(n.code);return this.materialCache.delete(e),this}getVertexShaderID(e){return this._getShaderStage(e.vertexShader).id}getFragmentShaderID(e){return this._getShaderStage(e.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(e){const t=this.materialCache;let n=t.get(e);return n===void 0&&(n=new Set,t.set(e,n)),n}_getShaderStage(e){const t=this.shaderCache;let n=t.get(e);return n===void 0&&(n=new jx(e),t.set(e,n)),n}}class jx{constructor(e){this.id=Kx++,this.code=e,this.usedTimes=0}}function Qx(r,e,t,n,i,s,a){const o=new Eo,l=new Jx,c=[],h=i.isWebGL2,u=i.logarithmicDepthBuffer,f=i.vertexTextures;let d=i.precision;const m={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"};function _(M){return M===0?"uv":`uv${M}`}function g(M,A,U,z,K){const D=z.fog,F=K.geometry,J=M.isMeshStandardMaterial?z.environment:null,X=(M.isMeshStandardMaterial?t:e).get(M.envMap||J),re=X&&X.mapping===Js?X.image.height:null,j=m[M.type];M.precision!==null&&(d=i.getMaxPrecision(M.precision),d!==M.precision&&console.warn("THREE.WebGLProgram.getParameters:",M.precision,"not supported, using",d,"instead."));const te=F.morphAttributes.position||F.morphAttributes.normal||F.morphAttributes.color,ie=te!==void 0?te.length:0;let _e=0;F.morphAttributes.position!==void 0&&(_e=1),F.morphAttributes.normal!==void 0&&(_e=2),F.morphAttributes.color!==void 0&&(_e=3);let W,Q,pe,Te;if(j){const qt=wn[j];W=qt.vertexShader,Q=qt.fragmentShader}else W=M.vertexShader,Q=M.fragmentShader,l.update(M),pe=l.getVertexShaderID(M),Te=l.getFragmentShaderID(M);const Me=r.getRenderTarget(),ze=K.isInstancedMesh===!0,Oe=K.isBatchedMesh===!0,Ae=!!M.map,Ie=!!M.matcap,P=!!X,he=!!M.aoMap,Y=!!M.lightMap,oe=!!M.bumpMap,$=!!M.normalMap,Ce=!!M.displacementMap,ve=!!M.emissiveMap,xe=!!M.metalnessMap,Ne=!!M.roughnessMap,Je=M.anisotropy>0,st=M.clearcoat>0,R=M.iridescence>0,T=M.sheen>0,k=M.transmission>0,ae=Je&&!!M.anisotropyMap,ne=st&&!!M.clearcoatMap,N=st&&!!M.clearcoatNormalMap,fe=st&&!!M.clearcoatRoughnessMap,le=R&&!!M.iridescenceMap,ge=R&&!!M.iridescenceThicknessMap,I=T&&!!M.sheenColorMap,ce=T&&!!M.sheenRoughnessMap,ee=!!M.specularMap,ke=!!M.specularColorMap,Re=!!M.specularIntensityMap,De=k&&!!M.transmissionMap,be=k&&!!M.thicknessMap,Ee=!!M.gradientMap,Ze=!!M.alphaMap,O=M.alphaTest>0,me=!!M.alphaHash,se=!!M.extensions,Z=!!F.attributes.uv1,ue=!!F.attributes.uv2,Ue=!!F.attributes.uv3;let Qe=ci;return M.toneMapped&&(Me===null||Me.isXRRenderTarget===!0)&&(Qe=r.toneMapping),{isWebGL2:h,shaderID:j,shaderType:M.type,shaderName:M.name,vertexShader:W,fragmentShader:Q,defines:M.defines,customVertexShaderID:pe,customFragmentShaderID:Te,isRawShaderMaterial:M.isRawShaderMaterial===!0,glslVersion:M.glslVersion,precision:d,batching:Oe,instancing:ze,instancingColor:ze&&K.instanceColor!==null,supportsVertexTextures:f,outputColorSpace:Me===null?r.outputColorSpace:Me.isXRRenderTarget===!0?Me.texture.colorSpace:Gn,map:Ae,matcap:Ie,envMap:P,envMapMode:P&&X.mapping,envMapCubeUVHeight:re,aoMap:he,lightMap:Y,bumpMap:oe,normalMap:$,displacementMap:f&&Ce,emissiveMap:ve,normalMapObjectSpace:$&&M.normalMapType===Td,normalMapTangentSpace:$&&M.normalMapType===Li,metalnessMap:xe,roughnessMap:Ne,anisotropy:Je,anisotropyMap:ae,clearcoat:st,clearcoatMap:ne,clearcoatNormalMap:N,clearcoatRoughnessMap:fe,iridescence:R,iridescenceMap:le,iridescenceThicknessMap:ge,sheen:T,sheenColorMap:I,sheenRoughnessMap:ce,specularMap:ee,specularColorMap:ke,specularIntensityMap:Re,transmission:k,transmissionMap:De,thicknessMap:be,gradientMap:Ee,opaque:M.transparent===!1&&M.blending===is,alphaMap:Ze,alphaTest:O,alphaHash:me,combine:M.combine,mapUv:Ae&&_(M.map.channel),aoMapUv:he&&_(M.aoMap.channel),lightMapUv:Y&&_(M.lightMap.channel),bumpMapUv:oe&&_(M.bumpMap.channel),normalMapUv:$&&_(M.normalMap.channel),displacementMapUv:Ce&&_(M.displacementMap.channel),emissiveMapUv:ve&&_(M.emissiveMap.channel),metalnessMapUv:xe&&_(M.metalnessMap.channel),roughnessMapUv:Ne&&_(M.roughnessMap.channel),anisotropyMapUv:ae&&_(M.anisotropyMap.channel),clearcoatMapUv:ne&&_(M.clearcoatMap.channel),clearcoatNormalMapUv:N&&_(M.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:fe&&_(M.clearcoatRoughnessMap.channel),iridescenceMapUv:le&&_(M.iridescenceMap.channel),iridescenceThicknessMapUv:ge&&_(M.iridescenceThicknessMap.channel),sheenColorMapUv:I&&_(M.sheenColorMap.channel),sheenRoughnessMapUv:ce&&_(M.sheenRoughnessMap.channel),specularMapUv:ee&&_(M.specularMap.channel),specularColorMapUv:ke&&_(M.specularColorMap.channel),specularIntensityMapUv:Re&&_(M.specularIntensityMap.channel),transmissionMapUv:De&&_(M.transmissionMap.channel),thicknessMapUv:be&&_(M.thicknessMap.channel),alphaMapUv:Ze&&_(M.alphaMap.channel),vertexTangents:!!F.attributes.tangent&&($||Je),vertexColors:M.vertexColors,vertexAlphas:M.vertexColors===!0&&!!F.attributes.color&&F.attributes.color.itemSize===4,vertexUv1s:Z,vertexUv2s:ue,vertexUv3s:Ue,pointsUvs:K.isPoints===!0&&!!F.attributes.uv&&(Ae||Ze),fog:!!D,useFog:M.fog===!0,fogExp2:D&&D.isFogExp2,flatShading:M.flatShading===!0,sizeAttenuation:M.sizeAttenuation===!0,logarithmicDepthBuffer:u,skinning:K.isSkinnedMesh===!0,morphTargets:F.morphAttributes.position!==void 0,morphNormals:F.morphAttributes.normal!==void 0,morphColors:F.morphAttributes.color!==void 0,morphTargetsCount:ie,morphTextureStride:_e,numDirLights:A.directional.length,numPointLights:A.point.length,numSpotLights:A.spot.length,numSpotLightMaps:A.spotLightMap.length,numRectAreaLights:A.rectArea.length,numHemiLights:A.hemi.length,numDirLightShadows:A.directionalShadowMap.length,numPointLightShadows:A.pointShadowMap.length,numSpotLightShadows:A.spotShadowMap.length,numSpotLightShadowsWithMaps:A.numSpotLightShadowsWithMaps,numLightProbes:A.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:M.dithering,shadowMapEnabled:r.shadowMap.enabled&&U.length>0,shadowMapType:r.shadowMap.type,toneMapping:Qe,useLegacyLights:r._useLegacyLights,decodeVideoTexture:Ae&&M.map.isVideoTexture===!0&&it.getTransfer(M.map.colorSpace)===lt,premultipliedAlpha:M.premultipliedAlpha,doubleSided:M.side===Bn,flipSided:M.side===Jt,useDepthPacking:M.depthPacking>=0,depthPacking:M.depthPacking||0,index0AttributeName:M.index0AttributeName,extensionDerivatives:se&&M.extensions.derivatives===!0,extensionFragDepth:se&&M.extensions.fragDepth===!0,extensionDrawBuffers:se&&M.extensions.drawBuffers===!0,extensionShaderTextureLOD:se&&M.extensions.shaderTextureLOD===!0,rendererExtensionFragDepth:h||n.has("EXT_frag_depth"),rendererExtensionDrawBuffers:h||n.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:h||n.has("EXT_shader_texture_lod"),rendererExtensionParallelShaderCompile:n.has("KHR_parallel_shader_compile"),customProgramCacheKey:M.customProgramCacheKey()}}function p(M){const A=[];if(M.shaderID?A.push(M.shaderID):(A.push(M.customVertexShaderID),A.push(M.customFragmentShaderID)),M.defines!==void 0)for(const U in M.defines)A.push(U),A.push(M.defines[U]);return M.isRawShaderMaterial===!1&&(x(A,M),v(A,M),A.push(r.outputColorSpace)),A.push(M.customProgramCacheKey),A.join()}function x(M,A){M.push(A.precision),M.push(A.outputColorSpace),M.push(A.envMapMode),M.push(A.envMapCubeUVHeight),M.push(A.mapUv),M.push(A.alphaMapUv),M.push(A.lightMapUv),M.push(A.aoMapUv),M.push(A.bumpMapUv),M.push(A.normalMapUv),M.push(A.displacementMapUv),M.push(A.emissiveMapUv),M.push(A.metalnessMapUv),M.push(A.roughnessMapUv),M.push(A.anisotropyMapUv),M.push(A.clearcoatMapUv),M.push(A.clearcoatNormalMapUv),M.push(A.clearcoatRoughnessMapUv),M.push(A.iridescenceMapUv),M.push(A.iridescenceThicknessMapUv),M.push(A.sheenColorMapUv),M.push(A.sheenRoughnessMapUv),M.push(A.specularMapUv),M.push(A.specularColorMapUv),M.push(A.specularIntensityMapUv),M.push(A.transmissionMapUv),M.push(A.thicknessMapUv),M.push(A.combine),M.push(A.fogExp2),M.push(A.sizeAttenuation),M.push(A.morphTargetsCount),M.push(A.morphAttributeCount),M.push(A.numDirLights),M.push(A.numPointLights),M.push(A.numSpotLights),M.push(A.numSpotLightMaps),M.push(A.numHemiLights),M.push(A.numRectAreaLights),M.push(A.numDirLightShadows),M.push(A.numPointLightShadows),M.push(A.numSpotLightShadows),M.push(A.numSpotLightShadowsWithMaps),M.push(A.numLightProbes),M.push(A.shadowMapType),M.push(A.toneMapping),M.push(A.numClippingPlanes),M.push(A.numClipIntersection),M.push(A.depthPacking)}function v(M,A){o.disableAll(),A.isWebGL2&&o.enable(0),A.supportsVertexTextures&&o.enable(1),A.instancing&&o.enable(2),A.instancingColor&&o.enable(3),A.matcap&&o.enable(4),A.envMap&&o.enable(5),A.normalMapObjectSpace&&o.enable(6),A.normalMapTangentSpace&&o.enable(7),A.clearcoat&&o.enable(8),A.iridescence&&o.enable(9),A.alphaTest&&o.enable(10),A.vertexColors&&o.enable(11),A.vertexAlphas&&o.enable(12),A.vertexUv1s&&o.enable(13),A.vertexUv2s&&o.enable(14),A.vertexUv3s&&o.enable(15),A.vertexTangents&&o.enable(16),A.anisotropy&&o.enable(17),A.alphaHash&&o.enable(18),A.batching&&o.enable(19),M.push(o.mask),o.disableAll(),A.fog&&o.enable(0),A.useFog&&o.enable(1),A.flatShading&&o.enable(2),A.logarithmicDepthBuffer&&o.enable(3),A.skinning&&o.enable(4),A.morphTargets&&o.enable(5),A.morphNormals&&o.enable(6),A.morphColors&&o.enable(7),A.premultipliedAlpha&&o.enable(8),A.shadowMapEnabled&&o.enable(9),A.useLegacyLights&&o.enable(10),A.doubleSided&&o.enable(11),A.flipSided&&o.enable(12),A.useDepthPacking&&o.enable(13),A.dithering&&o.enable(14),A.transmission&&o.enable(15),A.sheen&&o.enable(16),A.opaque&&o.enable(17),A.pointsUvs&&o.enable(18),A.decodeVideoTexture&&o.enable(19),M.push(o.mask)}function 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gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) ); + mean += depth; + squared_mean += depth * depth; + #endif + } + mean = mean / samples; + squared_mean = squared_mean / samples; + float std_dev = sqrt( squared_mean - mean * mean ); + gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) ); +}`;function hy(r,e,t){let n=new Yr;const i=new q,s=new q,a=new rt,o=new Qc({depthPacking:Ed}),l=new $c,c={},h=t.maxTextureSize,u={[fi]:Jt,[Jt]:fi,[Bn]:Bn},f=new Pn({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new q},radius:{value:4}},vertexShader:ly,fragmentShader:cy}),d=f.clone();d.defines.HORIZONTAL_PASS=1;const m=new Ye;m.setAttribute("position",new et(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const _=new At(m,f),g=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=Dc;let p=this.type;this.render=function(E,b,S){if(g.enabled===!1||g.autoUpdate===!1&&g.needsUpdate===!1||E.length===0)return;const 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k=n.get(R);if(R.version>0&&k.__version!==R.version){Oe(k,R,T);return}t.bindTexture(r.TEXTURE_2D_ARRAY,k.__webglTexture,r.TEXTURE0+T)}function _e(R,T){const k=n.get(R);if(R.version>0&&k.__version!==R.version){Oe(k,R,T);return}t.bindTexture(r.TEXTURE_3D,k.__webglTexture,r.TEXTURE0+T)}function W(R,T){const k=n.get(R);if(R.version>0&&k.__version!==R.version){Ae(k,R,T);return}t.bindTexture(r.TEXTURE_CUBE_MAP,k.__webglTexture,r.TEXTURE0+T)}const Q={[Er]:r.REPEAT,[Vt]:r.CLAMP_TO_EDGE,[Tr]:r.MIRRORED_REPEAT},pe={[bt]:r.NEAREST,[co]:r.NEAREST_MIPMAP_NEAREST,[mr]:r.NEAREST_MIPMAP_LINEAR,[St]:r.LINEAR,[Nc]:r.LINEAR_MIPMAP_NEAREST,[Ri]:r.LINEAR_MIPMAP_LINEAR},Te={[wd]:r.NEVER,[Id]:r.ALWAYS,[Ad]:r.LESS,[Wc]:r.LEQUAL,[Cd]:r.EQUAL,[Ld]:r.GEQUAL,[Rd]:r.GREATER,[Pd]:r.NOTEQUAL};function 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Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping."),r.texParameteri(R,r.TEXTURE_MAG_FILTER,A(T.magFilter)),r.texParameteri(R,r.TEXTURE_MIN_FILTER,A(T.minFilter)),T.minFilter!==bt&&T.minFilter!==St&&console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.")),T.compareFunction&&(r.texParameteri(R,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(R,r.TEXTURE_COMPARE_FUNC,Te[T.compareFunction])),e.has("EXT_texture_filter_anisotropic")===!0){const ae=e.get("EXT_texture_filter_anisotropic");if(T.magFilter===bt||T.minFilter!==mr&&T.minFilter!==Ri||T.type===An&&e.has("OES_texture_float_linear")===!1||o===!1&&T.type===Gs&&e.has("OES_texture_half_float_linear")===!1)return;(T.anisotropy>1||n.get(T).__currentAnisotropy)&&(r.texParameterf(R,ae.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(T.anisotropy,i.getMaxAnisotropy())),n.get(T).__currentAnisotropy=T.anisotropy)}}function ze(R,T){let k=!1;R.__webglInit===void 0&&(R.__webglInit=!0,T.addEventListener("dispose",U));const ae=T.source;let ne=g.get(ae);ne===void 0&&(ne={},g.set(ae,ne));const N=j(T);if(N!==R.__cacheKey){ne[N]===void 0&&(ne[N]={texture:r.createTexture(),usedTimes:0},a.memory.textures++,k=!0),ne[N].usedTimes++;const fe=ne[R.__cacheKey];fe!==void 0&&(ne[R.__cacheKey].usedTimes--,fe.usedTimes===0&&D(T)),R.__cacheKey=N,R.__webglTexture=ne[N].texture}return k}function Oe(R,T,k){let ae=r.TEXTURE_2D;(T.isDataArrayTexture||T.isCompressedArrayTexture)&&(ae=r.TEXTURE_2D_ARRAY),T.isData3DTexture&&(ae=r.TEXTURE_3D);const ne=ze(R,T),N=T.source;t.bindTexture(ae,R.__webglTexture,r.TEXTURE0+k);const fe=n.get(N);if(N.version!==fe.__version||ne===!0){t.activeTexture(r.TEXTURE0+k);const le=it.getPrimaries(it.workingColorSpace),ge=T.colorSpace===hn?null:it.getPrimaries(T.colorSpace),I=T.colorSpace===hn||le===ge?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,T.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,T.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,T.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,I);const ce=E(T)&&y(T.image)===!1;let ee=v(T.image,ce,!1,h);ee=st(T,ee);const ke=y(ee)||o,Re=s.convert(T.format,T.colorSpace);let De=s.convert(T.type),be=L(T.internalFormat,Re,De,T.colorSpace,T.isVideoTexture);Me(ae,T,ke);let Ee;const Ze=T.mipmaps,O=o&&T.isVideoTexture!==!0&&be!==Hc,me=fe.__version===void 0||ne===!0,se=M(T,ee,ke);if(T.isDepthTexture)be=r.DEPTH_COMPONENT,o?T.type===An?be=r.DEPTH_COMPONENT32F:T.type===ni?be=r.DEPTH_COMPONENT24:T.type===Ti?be=r.DEPTH24_STENCIL8:be=r.DEPTH_COMPONENT16:T.type===An&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),T.format===wi&&be===r.DEPTH_COMPONENT&&T.type!==yo&&T.type!==ni&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),T.type=ni,De=s.convert(T.type)),T.format===cs&&be===r.DEPTH_COMPONENT&&(be=r.DEPTH_STENCIL,T.type!==Ti&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),T.type=Ti,De=s.convert(T.type))),me&&(O?t.texStorage2D(r.TEXTURE_2D,1,be,ee.width,ee.height):t.texImage2D(r.TEXTURE_2D,0,be,ee.width,ee.height,0,Re,De,null));else if(T.isDataTexture)if(Ze.length>0&&ke){O&&me&&t.texStorage2D(r.TEXTURE_2D,se,be,Ze[0].width,Ze[0].height);for(let Z=0,ue=Ze.length;Z>=1,ue>>=1}}else if(Ze.length>0&&ke){O&&me&&t.texStorage2D(r.TEXTURE_2D,se,be,Ze[0].width,Ze[0].height);for(let Z=0,ue=Ze.length;Z0&&me++,t.texStorage2D(r.TEXTURE_CUBE_MAP,me,Ee,ee[0].width,ee[0].height));for(let Z=0;Z<6;Z++)if(ce){Ze?t.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+Z,0,0,0,ee[Z].width,ee[Z].height,De,be,ee[Z].data):t.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+Z,0,Ee,ee[Z].width,ee[Z].height,0,De,be,ee[Z].data);for(let ue=0;ue>N),ee=Math.max(1,T.height>>N);ne===r.TEXTURE_3D||ne===r.TEXTURE_2D_ARRAY?t.texImage3D(ne,N,ge,ce,ee,T.depth,0,fe,le,null):t.texImage2D(ne,N,ge,ce,ee,0,fe,le,null)}t.bindFramebuffer(r.FRAMEBUFFER,R),Ne(T)?f.framebufferTexture2DMultisampleEXT(r.FRAMEBUFFER,ae,ne,n.get(k).__webglTexture,0,xe(T)):(ne===r.TEXTURE_2D||ne>=r.TEXTURE_CUBE_MAP_POSITIVE_X&&ne<=r.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&r.framebufferTexture2D(r.FRAMEBUFFER,ae,ne,n.get(k).__webglTexture,N),t.bindFramebuffer(r.FRAMEBUFFER,null)}function P(R,T,k){if(r.bindRenderbuffer(r.RENDERBUFFER,R),T.depthBuffer&&!T.stencilBuffer){let ae=o===!0?r.DEPTH_COMPONENT24:r.DEPTH_COMPONENT16;if(k||Ne(T)){const ne=T.depthTexture;ne&&ne.isDepthTexture&&(ne.type===An?ae=r.DEPTH_COMPONENT32F:ne.type===ni&&(ae=r.DEPTH_COMPONENT24));const N=xe(T);Ne(T)?f.renderbufferStorageMultisampleEXT(r.RENDERBUFFER,N,ae,T.width,T.height):r.renderbufferStorageMultisample(r.RENDERBUFFER,N,ae,T.width,T.height)}else r.renderbufferStorage(r.RENDERBUFFER,ae,T.width,T.height);r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,R)}else if(T.depthBuffer&&T.stencilBuffer){const ae=xe(T);k&&Ne(T)===!1?r.renderbufferStorageMultisample(r.RENDERBUFFER,ae,r.DEPTH24_STENCIL8,T.width,T.height):Ne(T)?f.renderbufferStorageMultisampleEXT(r.RENDERBUFFER,ae,r.DEPTH24_STENCIL8,T.width,T.height):r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,T.width,T.height),r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_STENCIL_ATTACHMENT,r.RENDERBUFFER,R)}else{const ae=T.isWebGLMultipleRenderTargets===!0?T.texture:[T.texture];for(let ne=0;ne0){k.__webglFramebuffer[le]=[];for(let ge=0;ge0){k.__webglFramebuffer=[];for(let le=0;le0&&Ne(R)===!1){const le=N?T:[T];k.__webglMultisampledFramebuffer=r.createFramebuffer(),k.__webglColorRenderbuffer=[],t.bindFramebuffer(r.FRAMEBUFFER,k.__webglMultisampledFramebuffer);for(let ge=0;ge0)for(let ge=0;ge0)for(let ge=0;ge0&&Ne(R)===!1){const T=R.isWebGLMultipleRenderTargets?R.texture:[R.texture],k=R.width,ae=R.height;let ne=r.COLOR_BUFFER_BIT;const N=[],fe=R.stencilBuffer?r.DEPTH_STENCIL_ATTACHMENT:r.DEPTH_ATTACHMENT,le=n.get(R),ge=R.isWebGLMultipleRenderTargets===!0;if(ge)for(let I=0;I0&&e.has("WEBGL_multisampled_render_to_texture")===!0&&T.__useRenderToTexture!==!1}function Je(R){const T=a.render.frame;m.get(R)!==T&&(m.set(R,T),R.update())}function st(R,T){const k=R.colorSpace,ae=R.format,ne=R.type;return R.isCompressedTexture===!0||R.isVideoTexture===!0||R.format===ho||k!==Gn&&k!==hn&&(it.getTransfer(k)===lt?o===!1?e.has("EXT_sRGB")===!0&&ae===nn?(R.format=ho,R.minFilter=St,R.generateMipmaps=!1):T=qc.sRGBToLinear(T):(ae!==nn||ne!==hi)&&console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",k)),T}this.allocateTextureUnit=re,this.resetTextureUnits=X,this.setTexture2D=te,this.setTexture2DArray=ie,this.setTexture3D=_e,this.setTextureCube=W,this.rebindTextures=oe,this.setupRenderTarget=$,this.updateRenderTargetMipmap=Ce,this.updateMultisampleRenderTarget=ve,this.setupDepthRenderbuffer=Y,this.setupFrameBufferTexture=Ie,this.useMultisampledRTT=Ne}function Zd(r,e,t){const n=t.isWebGL2;function i(s,a=hn){let o;const l=it.getTransfer(a);if(s===hi)return r.UNSIGNED_BYTE;if(s===Fc)return r.UNSIGNED_SHORT_4_4_4_4;if(s===Bc)return r.UNSIGNED_SHORT_5_5_5_1;if(s===fd)return r.BYTE;if(s===dd)return r.SHORT;if(s===yo)return r.UNSIGNED_SHORT;if(s===Oc)return r.INT;if(s===ni)return r.UNSIGNED_INT;if(s===An)return r.FLOAT;if(s===Gs)return n?r.HALF_FLOAT:(o=e.get("OES_texture_half_float"),o!==null?o.HALF_FLOAT_OES:null);if(s===pd)return r.ALPHA;if(s===nn)return r.RGBA;if(s===md)return r.LUMINANCE;if(s===gd)return r.LUMINANCE_ALPHA;if(s===wi)return r.DEPTH_COMPONENT;if(s===cs)return r.DEPTH_STENCIL;if(s===ho)return o=e.get("EXT_sRGB"),o!==null?o.SRGB_ALPHA_EXT:null;if(s===_d)return r.RED;if(s===zc)return r.RED_INTEGER;if(s===vd)return r.RG;if(s===kc)return r.RG_INTEGER;if(s===Vc)return r.RGBA_INTEGER;if(s===Ja||s===ja||s===Qa||s===$a)if(l===lt)if(o=e.get("WEBGL_compressed_texture_s3tc_srgb"),o!==null){if(s===Ja)return o.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(s===ja)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(s===Qa)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(s===$a)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else return null;else if(o=e.get("WEBGL_compressed_texture_s3tc"),o!==null){if(s===Ja)return o.COMPRESSED_RGB_S3TC_DXT1_EXT;if(s===ja)return o.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(s===Qa)return o.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(s===$a)return o.COMPRESSED_RGBA_S3TC_DXT5_EXT}else return null;if(s===Kl||s===Jl||s===jl||s===Ql)if(o=e.get("WEBGL_compressed_texture_pvrtc"),o!==null){if(s===Kl)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(s===Jl)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(s===jl)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(s===Ql)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}else return null;if(s===Hc)return o=e.get("WEBGL_compressed_texture_etc1"),o!==null?o.COMPRESSED_RGB_ETC1_WEBGL:null;if(s===$l||s===ec)if(o=e.get("WEBGL_compressed_texture_etc"),o!==null){if(s===$l)return l===lt?o.COMPRESSED_SRGB8_ETC2:o.COMPRESSED_RGB8_ETC2;if(s===ec)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:o.COMPRESSED_RGBA8_ETC2_EAC}else return null;if(s===tc||s===nc||s===ic||s===sc||s===rc||s===ac||s===oc||s===lc||s===cc||s===hc||s===uc||s===fc||s===dc||s===pc)if(o=e.get("WEBGL_compressed_texture_astc"),o!==null){if(s===tc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:o.COMPRESSED_RGBA_ASTC_4x4_KHR;if(s===nc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:o.COMPRESSED_RGBA_ASTC_5x4_KHR;if(s===ic)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:o.COMPRESSED_RGBA_ASTC_5x5_KHR;if(s===sc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:o.COMPRESSED_RGBA_ASTC_6x5_KHR;if(s===rc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:o.COMPRESSED_RGBA_ASTC_6x6_KHR;if(s===ac)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:o.COMPRESSED_RGBA_ASTC_8x5_KHR;if(s===oc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:o.COMPRESSED_RGBA_ASTC_8x6_KHR;if(s===lc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:o.COMPRESSED_RGBA_ASTC_8x8_KHR;if(s===cc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:o.COMPRESSED_RGBA_ASTC_10x5_KHR;if(s===hc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:o.COMPRESSED_RGBA_ASTC_10x6_KHR;if(s===uc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:o.COMPRESSED_RGBA_ASTC_10x8_KHR;if(s===fc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:o.COMPRESSED_RGBA_ASTC_10x10_KHR;if(s===dc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:o.COMPRESSED_RGBA_ASTC_12x10_KHR;if(s===pc)return l===lt?o.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:o.COMPRESSED_RGBA_ASTC_12x12_KHR}else return null;if(s===eo||s===mc||s===gc)if(o=e.get("EXT_texture_compression_bptc"),o!==null){if(s===eo)return l===lt?o.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:o.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(s===mc)return o.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(s===gc)return o.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}else return null;if(s===xd||s===_c||s===vc||s===xc)if(o=e.get("EXT_texture_compression_rgtc"),o!==null){if(s===eo)return o.COMPRESSED_RED_RGTC1_EXT;if(s===_c)return o.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(s===vc)return o.COMPRESSED_RED_GREEN_RGTC2_EXT;if(s===xc)return o.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}else return null;return s===Ti?n?r.UNSIGNED_INT_24_8:(o=e.get("WEBGL_depth_texture"),o!==null?o.UNSIGNED_INT_24_8_WEBGL:null):r[s]!==void 0?r[s]:null}return{convert:i}}class Kd extends Nt{constructor(e=[]){super(),this.isArrayCamera=!0,this.cameras=e}}class ts extends nt{constructor(){super(),this.isGroup=!0,this.type="Group"}}const dy={type:"move"};class bl{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return this._hand===null&&(this._hand=new ts,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return this._targetRay===null&&(this._targetRay=new ts,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new C,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new C),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new ts,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new C,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new C),this._grip}dispatchEvent(e){return this._targetRay!==null&&this._targetRay.dispatchEvent(e),this._grip!==null&&this._grip.dispatchEvent(e),this._hand!==null&&this._hand.dispatchEvent(e),this}connect(e){if(e&&e.hand){const t=this._hand;if(t)for(const n of e.hand.values())this._getHandJoint(t,n)}return this.dispatchEvent({type:"connected",data:e}),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),this._targetRay!==null&&(this._targetRay.visible=!1),this._grip!==null&&(this._grip.visible=!1),this._hand!==null&&(this._hand.visible=!1),this}update(e,t,n){let i=null,s=null,a=null;const o=this._targetRay,l=this._grip,c=this._hand;if(e&&t.session.visibilityState!=="visible-blurred"){if(c&&e.hand){a=!0;for(const _ of e.hand.values()){const g=t.getJointPose(_,n),p=this._getHandJoint(c,_);g!==null&&(p.matrix.fromArray(g.transform.matrix),p.matrix.decompose(p.position,p.rotation,p.scale),p.matrixWorldNeedsUpdate=!0,p.jointRadius=g.radius),p.visible=g!==null}const h=c.joints["index-finger-tip"],u=c.joints["thumb-tip"],f=h.position.distanceTo(u.position),d=.02,m=.005;c.inputState.pinching&&f>d+m?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&f<=d-m&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(s=t.getPose(e.gripSpace,n),s!==null&&(l.matrix.fromArray(s.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),l.matrixWorldNeedsUpdate=!0,s.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(s.linearVelocity)):l.hasLinearVelocity=!1,s.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(s.angularVelocity)):l.hasAngularVelocity=!1));o!==null&&(i=t.getPose(e.targetRaySpace,n),i===null&&s!==null&&(i=s),i!==null&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,i.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(i.linearVelocity)):o.hasLinearVelocity=!1,i.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(i.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(dy)))}return o!==null&&(o.visible=i!==null),l!==null&&(l.visible=s!==null),c!==null&&(c.visible=a!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===void 0){const n=new ts;n.matrixAutoUpdate=!1,n.visible=!1,e.joints[t.jointName]=n,e.add(n)}return e.joints[t.jointName]}}class py extends Xn{constructor(e,t){super();const n=this;let i=null,s=1,a=null,o="local-floor",l=1,c=null,h=null,u=null,f=null,d=null,m=null;const _=t.getContextAttributes();let g=null,p=null;const x=[],v=[],y=new q;let E=null;const b=new Nt;b.layers.enable(1),b.viewport=new rt;const S=new Nt;S.layers.enable(2),S.viewport=new rt;const L=[b,S],M=new Kd;M.layers.enable(1),M.layers.enable(2);let A=null,U=null;this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(W){let Q=x[W];return Q===void 0&&(Q=new bl,x[W]=Q),Q.getTargetRaySpace()},this.getControllerGrip=function(W){let Q=x[W];return Q===void 0&&(Q=new bl,x[W]=Q),Q.getGripSpace()},this.getHand=function(W){let Q=x[W];return Q===void 0&&(Q=new bl,x[W]=Q),Q.getHandSpace()};function z(W){const Q=v.indexOf(W.inputSource);if(Q===-1)return;const pe=x[Q];pe!==void 0&&(pe.update(W.inputSource,W.frame,c||a),pe.dispatchEvent({type:W.type,data:W.inputSource}))}function K(){i.removeEventListener("select",z),i.removeEventListener("selectstart",z),i.removeEventListener("selectend",z),i.removeEventListener("squeeze",z),i.removeEventListener("squeezestart",z),i.removeEventListener("squeezeend",z),i.removeEventListener("end",K),i.removeEventListener("inputsourceschange",D);for(let W=0;W=0&&(v[Te]=null,x[Te].disconnect(pe))}for(let Q=0;Q=v.length){v.push(pe),Te=ze;break}else if(v[ze]===null){v[ze]=pe,Te=ze;break}if(Te===-1)break}const Me=x[Te];Me&&Me.connect(pe)}}const F=new C,J=new C;function X(W,Q,pe){F.setFromMatrixPosition(Q.matrixWorld),J.setFromMatrixPosition(pe.matrixWorld);const Te=F.distanceTo(J),Me=Q.projectionMatrix.elements,ze=pe.projectionMatrix.elements,Oe=Me[14]/(Me[10]-1),Ae=Me[14]/(Me[10]+1),Ie=(Me[9]+1)/Me[5],P=(Me[9]-1)/Me[5],he=(Me[8]-1)/Me[0],Y=(ze[8]+1)/ze[0],oe=Oe*he,$=Oe*Y,Ce=Te/(-he+Y),ve=Ce*-he;Q.matrixWorld.decompose(W.position,W.quaternion,W.scale),W.translateX(ve),W.translateZ(Ce),W.matrixWorld.compose(W.position,W.quaternion,W.scale),W.matrixWorldInverse.copy(W.matrixWorld).invert();const xe=Oe+Ce,Ne=Ae+Ce,Je=oe-ve,st=$+(Te-ve),R=Ie*Ae/Ne*xe,T=P*Ae/Ne*xe;W.projectionMatrix.makePerspective(Je,st,R,T,xe,Ne),W.projectionMatrixInverse.copy(W.projectionMatrix).invert()}function re(W,Q){Q===null?W.matrixWorld.copy(W.matrix):W.matrixWorld.multiplyMatrices(Q.matrixWorld,W.matrix),W.matrixWorldInverse.copy(W.matrixWorld).invert()}this.updateCamera=function(W){if(i===null)return;M.near=S.near=b.near=W.near,M.far=S.far=b.far=W.far,(A!==M.near||U!==M.far)&&(i.updateRenderState({depthNear:M.near,depthFar:M.far}),A=M.near,U=M.far);const Q=W.parent,pe=M.cameras;re(M,Q);for(let Te=0;Te0&&(g.alphaTest.value=p.alphaTest);const x=e.get(p).envMap;if(x&&(g.envMap.value=x,g.flipEnvMap.value=x.isCubeTexture&&x.isRenderTargetTexture===!1?-1:1,g.reflectivity.value=p.reflectivity,g.ior.value=p.ior,g.refractionRatio.value=p.refractionRatio),p.lightMap){g.lightMap.value=p.lightMap;const v=r._useLegacyLights===!0?Math.PI:1;g.lightMapIntensity.value=p.lightMapIntensity*v,t(p.lightMap,g.lightMapTransform)}p.aoMap&&(g.aoMap.value=p.aoMap,g.aoMapIntensity.value=p.aoMapIntensity,t(p.aoMap,g.aoMapTransform))}function a(g,p){g.diffuse.value.copy(p.color),g.opacity.value=p.opacity,p.map&&(g.map.value=p.map,t(p.map,g.mapTransform))}function o(g,p){g.dashSize.value=p.dashSize,g.totalSize.value=p.dashSize+p.gapSize,g.scale.value=p.scale}function l(g,p,x,v){g.diffuse.value.copy(p.color),g.opacity.value=p.opacity,g.size.value=p.size*x,g.scale.value=v*.5,p.map&&(g.map.value=p.map,t(p.map,g.uvTransform)),p.alphaMap&&(g.alphaMap.value=p.alphaMap,t(p.alphaMap,g.alphaMapTransform)),p.alphaTest>0&&(g.alphaTest.value=p.alphaTest)}function c(g,p){g.diffuse.value.copy(p.color),g.opacity.value=p.opacity,g.rotation.value=p.rotation,p.map&&(g.map.value=p.map,t(p.map,g.mapTransform)),p.alphaMap&&(g.alphaMap.value=p.alphaMap,t(p.alphaMap,g.alphaMapTransform)),p.alphaTest>0&&(g.alphaTest.value=p.alphaTest)}function h(g,p){g.specular.value.copy(p.specular),g.shininess.value=Math.max(p.shininess,1e-4)}function u(g,p){p.gradientMap&&(g.gradientMap.value=p.gradientMap)}function f(g,p){g.metalness.value=p.metalness,p.metalnessMap&&(g.metalnessMap.value=p.metalnessMap,t(p.metalnessMap,g.metalnessMapTransform)),g.roughness.value=p.roughness,p.roughnessMap&&(g.roughnessMap.value=p.roughnessMap,t(p.roughnessMap,g.roughnessMapTransform)),e.get(p).envMap&&(g.envMapIntensity.value=p.envMapIntensity)}function d(g,p,x){g.ior.value=p.ior,p.sheen>0&&(g.sheenColor.value.copy(p.sheenColor).multiplyScalar(p.sheen),g.sheenRoughness.value=p.sheenRoughness,p.sheenColorMap&&(g.sheenColorMap.value=p.sheenColorMap,t(p.sheenColorMap,g.sheenColorMapTransform)),p.sheenRoughnessMap&&(g.sheenRoughnessMap.value=p.sheenRoughnessMap,t(p.sheenRoughnessMap,g.sheenRoughnessMapTransform))),p.clearcoat>0&&(g.clearcoat.value=p.clearcoat,g.clearcoatRoughness.value=p.clearcoatRoughness,p.clearcoatMap&&(g.clearcoatMap.value=p.clearcoatMap,t(p.clearcoatMap,g.clearcoatMapTransform)),p.clearcoatRoughnessMap&&(g.clearcoatRoughnessMap.value=p.clearcoatRoughnessMap,t(p.clearcoatRoughnessMap,g.clearcoatRoughnessMapTransform)),p.clearcoatNormalMap&&(g.clearcoatNormalMap.value=p.clearcoatNormalMap,t(p.clearcoatNormalMap,g.clearcoatNormalMapTransform),g.clearcoatNormalScale.value.copy(p.clearcoatNormalScale),p.side===Jt&&g.clearcoatNormalScale.value.negate())),p.iridescence>0&&(g.iridescence.value=p.iridescence,g.iridescenceIOR.value=p.iridescenceIOR,g.iridescenceThicknessMinimum.value=p.iridescenceThicknessRange[0],g.iridescenceThicknessMaximum.value=p.iridescenceThicknessRange[1],p.iridescenceMap&&(g.iridescenceMap.value=p.iridescenceMap,t(p.iridescenceMap,g.iridescenceMapTransform)),p.iridescenceThicknessMap&&(g.iridescenceThicknessMap.value=p.iridescenceThicknessMap,t(p.iridescenceThicknessMap,g.iridescenceThicknessMapTransform))),p.transmission>0&&(g.transmission.value=p.transmission,g.transmissionSamplerMap.value=x.texture,g.transmissionSamplerSize.value.set(x.width,x.height),p.transmissionMap&&(g.transmissionMap.value=p.transmissionMap,t(p.transmissionMap,g.transmissionMapTransform)),g.thickness.value=p.thickness,p.thicknessMap&&(g.thicknessMap.value=p.thicknessMap,t(p.thicknessMap,g.thicknessMapTransform)),g.attenuationDistance.value=p.attenuationDistance,g.attenuationColor.value.copy(p.attenuationColor)),p.anisotropy>0&&(g.anisotropyVector.value.set(p.anisotropy*Math.cos(p.anisotropyRotation),p.anisotropy*Math.sin(p.anisotropyRotation)),p.anisotropyMap&&(g.anisotropyMap.value=p.anisotropyMap,t(p.anisotropyMap,g.anisotropyMapTransform))),g.specularIntensity.value=p.specularIntensity,g.specularColor.value.copy(p.specularColor),p.specularColorMap&&(g.specularColorMap.value=p.specularColorMap,t(p.specularColorMap,g.specularColorMapTransform)),p.specularIntensityMap&&(g.specularIntensityMap.value=p.specularIntensityMap,t(p.specularIntensityMap,g.specularIntensityMapTransform))}function m(g,p){p.matcap&&(g.matcap.value=p.matcap)}function _(g,p){const x=e.get(p).light;g.referencePosition.value.setFromMatrixPosition(x.matrixWorld),g.nearDistance.value=x.shadow.camera.near,g.farDistance.value=x.shadow.camera.far}return{refreshFogUniforms:n,refreshMaterialUniforms:i}}function gy(r,e,t,n){let i={},s={},a=[];const o=t.isWebGL2?r.getParameter(r.MAX_UNIFORM_BUFFER_BINDINGS):0;function l(x,v){const y=v.program;n.uniformBlockBinding(x,y)}function c(x,v){let y=i[x.id];y===void 0&&(m(x),y=h(x),i[x.id]=y,x.addEventListener("dispose",g));const E=v.program;n.updateUBOMapping(x,E);const b=e.render.frame;s[x.id]!==b&&(f(x),s[x.id]=b)}function h(x){const v=u();x.__bindingPointIndex=v;const y=r.createBuffer(),E=x.__size,b=x.usage;return r.bindBuffer(r.UNIFORM_BUFFER,y),r.bufferData(r.UNIFORM_BUFFER,E,b),r.bindBuffer(r.UNIFORM_BUFFER,null),r.bindBufferBase(r.UNIFORM_BUFFER,v,y),y}function u(){for(let x=0;x0){b=y%E;const z=E-b;b!==0&&z-A.boundary<0&&(y+=E-b,M.__offset=y)}y+=A.storage}return b=y%E,b>0&&(y+=E-b),x.__size=y,x.__cache={},this}function _(x){const v={boundary:0,storage:0};return typeof x=="number"?(v.boundary=4,v.storage=4):x.isVector2?(v.boundary=8,v.storage=8):x.isVector3||x.isColor?(v.boundary=16,v.storage=12):x.isVector4?(v.boundary=16,v.storage=16):x.isMatrix3?(v.boundary=48,v.storage=48):x.isMatrix4?(v.boundary=64,v.storage=64):x.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",x),v}function g(x){const v=x.target;v.removeEventListener("dispose",g);const y=a.indexOf(v.__bindingPointIndex);a.splice(y,1),r.deleteBuffer(i[v.id]),delete i[v.id],delete s[v.id]}function p(){for(const x in i)r.deleteBuffer(i[x]);a=[],i={},s={}}return{bind:l,update:c,dispose:p}}class eh{constructor(e={}){const{canvas:t=Nd(),context:n=null,depth:i=!0,stencil:s=!0,alpha:a=!1,antialias:o=!1,premultipliedAlpha:l=!0,preserveDrawingBuffer:c=!1,powerPreference:h="default",failIfMajorPerformanceCaveat:u=!1}=e;this.isWebGLRenderer=!0;let f;n!==null?f=n.getContextAttributes().alpha:f=a;const d=new Uint32Array(4),m=new Int32Array(4);let _=null,g=null;const p=[],x=[];this.domElement=t,this.debug={checkShaderErrors:!0,onShaderError:null},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this._outputColorSpace=Ct,this._useLegacyLights=!1,this.toneMapping=ci,this.toneMappingExposure=1;const v=this;let y=!1,E=0,b=0,S=null,L=-1,M=null;const A=new rt,U=new rt;let z=null;const K=new ye(0);let D=0,F=t.width,J=t.height,X=1,re=null,j=null;const te=new rt(0,0,F,J),ie=new rt(0,0,F,J);let _e=!1;const W=new Yr;let Q=!1,pe=!1,Te=null;const Me=new Ve,ze=new q,Oe=new C,Ae={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function Ie(){return S===null?X:1}let P=n;function he(w,B){for(let H=0;H{function Se(){if(G.forEach(function(Le){ve.get(Le).currentProgram.isReady()&&G.delete(Le)}),G.size===0){V(w);return}setTimeout(Se,10)}Y.get("KHR_parallel_shader_compile")!==null?Se():setTimeout(Se,10)})};let Qe=null;function It(w){Qe&&Qe(w)}function qt(){Yt.stop()}function ot(){Yt.start()}const Yt=new Hd;Yt.setAnimationLoop(It),typeof self<"u"&&Yt.setContext(self),this.setAnimationLoop=function(w){Qe=w,Ee.setAnimationLoop(w),w===null?Yt.stop():Yt.start()},Ee.addEventListener("sessionstart",qt),Ee.addEventListener("sessionend",ot),this.render=function(w,B){if(B!==void 0&&B.isCamera!==!0){console.error("THREE.WebGLRenderer.render: camera is not an instance of 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Dn(w,B,H,G){if(w.visible===!1)return;if(w.layers.test(B.layers)){if(w.isGroup)H=w.renderOrder;else if(w.isLOD)w.autoUpdate===!0&&w.update(B);else if(w.isLight)g.pushLight(w),w.castShadow&&g.pushShadow(w);else if(w.isSprite){if(!w.frustumCulled||W.intersectsSprite(w)){G&&Oe.setFromMatrixPosition(w.matrixWorld).applyMatrix4(Me);const Le=T.update(w),He=w.material;He.visible&&_.push(w,Le,He,H,Oe.z,null)}}else if((w.isMesh||w.isLine||w.isPoints)&&(!w.frustumCulled||W.intersectsObject(w))){const Le=T.update(w),He=w.material;if(G&&(w.boundingSphere!==void 0?(w.boundingSphere===null&&w.computeBoundingSphere(),Oe.copy(w.boundingSphere.center)):(Le.boundingSphere===null&&Le.computeBoundingSphere(),Oe.copy(Le.boundingSphere.center)),Oe.applyMatrix4(w.matrixWorld).applyMatrix4(Me)),Array.isArray(He)){const Ge=Le.groups;for(let je=0,We=Ge.length;je0&&nm(V,Se,B,H),G&&$.viewport(A.copy(G)),V.length>0&&ea(V,B,H),Se.length>0&&ea(Se,B,H),Le.length>0&&ea(Le,B,H),$.buffers.depth.setTest(!0),$.buffers.depth.setMask(!0),$.buffers.color.setMask(!0),$.setPolygonOffset(!1)}function nm(w,B,H,G){if((H.isScene===!0?H.overrideMaterial:null)!==null)return;const Se=oe.isWebGL2;Te===null&&(Te=new Rn(1,1,{generateMipmaps:!0,type:Y.has("EXT_color_buffer_half_float")?Gs:hi,minFilter:Ri,samples:Se?4:0})),v.getDrawingBufferSize(ze),Se?Te.setSize(ze.x,ze.y):Te.setSize(uo(ze.x),uo(ze.y));const Le=v.getRenderTarget();v.setRenderTarget(Te),v.getClearColor(K),D=v.getClearAlpha(),D<1&&v.setClearColor(16777215,.5),v.clear();const He=v.toneMapping;v.toneMapping=ci,ea(w,H,G),xe.updateMultisampleRenderTarget(Te),xe.updateRenderTargetMipmap(Te);let Ge=!1;for(let je=0,We=B.length;je0),Xe=!!H.morphAttributes.position,xt=!!H.morphAttributes.normal,an=!!H.morphAttributes.color;let Dt=ci;G.toneMapped&&(S===null||S.isXRRenderTarget===!0)&&(Dt=v.toneMapping);const Yn=H.morphAttributes.position||H.morphAttributes.normal||H.morphAttributes.color,ct=Yn!==void 0?Yn.length:0,$e=ve.get(G),Jo=g.state.lights;if(Q===!0&&(pe===!0||w!==M)){const pn=w===M&&G.id===L;fe.setState(G,w,pn)}let ut=!1;G.version===$e.__version?($e.needsLights&&$e.lightsStateVersion!==Jo.state.version||$e.outputColorSpace!==He||V.isBatchedMesh&&$e.batching===!1||!V.isBatchedMesh&&$e.batching===!0||V.isInstancedMesh&&$e.instancing===!1||!V.isInstancedMesh&&$e.instancing===!0||V.isSkinnedMesh&&$e.skinning===!1||!V.isSkinnedMesh&&$e.skinning===!0||V.isInstancedMesh&&$e.instancingColor===!0&&V.instanceColor===null||V.isInstancedMesh&&$e.instancingColor===!1&&V.instanceColor!==null||$e.envMap!==Ge||G.fog===!0&&$e.fog!==Se||$e.numClippingPlanes!==void 0&&($e.numClippingPlanes!==fe.numPlanes||$e.numIntersection!==fe.numIntersection)||$e.vertexAlphas!==je||$e.vertexTangents!==We||$e.morphTargets!==Xe||$e.morphNormals!==xt||$e.morphColors!==an||$e.toneMapping!==Dt||oe.isWebGL2===!0&&$e.morphTargetsCount!==ct)&&(ut=!0):(ut=!0,$e.__version=G.version);let Ni=$e.currentProgram;ut===!0&&(Ni=ta(G,B,V));let Ch=!1,er=!1,jo=!1;const Ot=Ni.getUniforms(),Oi=$e.uniforms;if($.useProgram(Ni.program)&&(Ch=!0,er=!0,jo=!0),G.id!==L&&(L=G.id,er=!0),Ch||M!==w){Ot.setValue(P,"projectionMatrix",w.projectionMatrix),Ot.setValue(P,"viewMatrix",w.matrixWorldInverse);const pn=Ot.map.cameraPosition;pn!==void 0&&pn.setValue(P,Oe.setFromMatrixPosition(w.matrixWorld)),oe.logarithmicDepthBuffer&&Ot.setValue(P,"logDepthBufFC",2/(Math.log(w.far+1)/Math.LN2)),(G.isMeshPhongMaterial||G.isMeshToonMaterial||G.isMeshLambertMaterial||G.isMeshBasicMaterial||G.isMeshStandardMaterial||G.isShaderMaterial)&&Ot.setValue(P,"isOrthographic",w.isOrthographicCamera===!0),M!==w&&(M=w,er=!0,jo=!0)}if(V.isSkinnedMesh){Ot.setOptional(P,V,"bindMatrix"),Ot.setOptional(P,V,"bindMatrixInverse");const pn=V.skeleton;pn&&(oe.floatVertexTextures?(pn.boneTexture===null&&pn.computeBoneTexture(),Ot.setValue(P,"boneTexture",pn.boneTexture,xe)):console.warn("THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required."))}V.isBatchedMesh&&(Ot.setOptional(P,V,"batchingTexture"),Ot.setValue(P,"batchingTexture",V._matricesTexture,xe));const Qo=H.morphAttributes;if((Qo.position!==void 0||Qo.normal!==void 0||Qo.color!==void 0&&oe.isWebGL2===!0)&&I.update(V,H,Ni),(er||$e.receiveShadow!==V.receiveShadow)&&($e.receiveShadow=V.receiveShadow,Ot.setValue(P,"receiveShadow",V.receiveShadow)),G.isMeshGouraudMaterial&&G.envMap!==null&&(Oi.envMap.value=Ge,Oi.flipEnvMap.value=Ge.isCubeTexture&&Ge.isRenderTargetTexture===!1?-1:1),er&&(Ot.setValue(P,"toneMappingExposure",v.toneMappingExposure),$e.needsLights&&sm(Oi,jo),Se&&G.fog===!0&&ae.refreshFogUniforms(Oi,Se),ae.refreshMaterialUniforms(Oi,G,X,J,Te),no.upload(P,wh($e),Oi,xe)),G.isShaderMaterial&&G.uniformsNeedUpdate===!0&&(no.upload(P,wh($e),Oi,xe),G.uniformsNeedUpdate=!1),G.isSpriteMaterial&&Ot.setValue(P,"center",V.center),Ot.setValue(P,"modelViewMatrix",V.modelViewMatrix),Ot.setValue(P,"normalMatrix",V.normalMatrix),Ot.setValue(P,"modelMatrix",V.matrixWorld),G.isShaderMaterial||G.isRawShaderMaterial){const pn=G.uniformsGroups;for(let $o=0,am=pn.length;$o0&&xe.useMultisampledRTT(w)===!1?V=ve.get(w).__webglMultisampledFramebuffer:Array.isArray(We)?V=We[H]:V=We,A.copy(w.viewport),U.copy(w.scissor),z=w.scissorTest}else A.copy(te).multiplyScalar(X).floor(),U.copy(ie).multiplyScalar(X).floor(),z=_e;if($.bindFramebuffer(P.FRAMEBUFFER,V)&&oe.drawBuffers&&G&&$.drawBuffers(w,V),$.viewport(A),$.scissor(U),$.setScissorTest(z),Se){const Ge=ve.get(w.texture);P.framebufferTexture2D(P.FRAMEBUFFER,P.COLOR_ATTACHMENT0,P.TEXTURE_CUBE_MAP_POSITIVE_X+B,Ge.__webglTexture,H)}else if(Le){const Ge=ve.get(w.texture),je=B||0;P.framebufferTextureLayer(P.FRAMEBUFFER,P.COLOR_ATTACHMENT0,Ge.__webglTexture,H||0,je)}L=-1},this.readRenderTargetPixels=function(w,B,H,G,V,Se,Le){if(!(w&&w.isWebGLRenderTarget)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");return}let He=ve.get(w).__webglFramebuffer;if(w.isWebGLCubeRenderTarget&&Le!==void 0&&(He=He[Le]),He){$.bindFramebuffer(P.FRAMEBUFFER,He);try{const Ge=w.texture,je=Ge.format,We=Ge.type;if(je!==nn&&ke.convert(je)!==P.getParameter(P.IMPLEMENTATION_COLOR_READ_FORMAT)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");return}const Xe=We===Gs&&(Y.has("EXT_color_buffer_half_float")||oe.isWebGL2&&Y.has("EXT_color_buffer_float"));if(We!==hi&&ke.convert(We)!==P.getParameter(P.IMPLEMENTATION_COLOR_READ_TYPE)&&!(We===An&&(oe.isWebGL2||Y.has("OES_texture_float")||Y.has("WEBGL_color_buffer_float")))&&!Xe){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");return}B>=0&&B<=w.width-G&&H>=0&&H<=w.height-V&&P.readPixels(B,H,G,V,ke.convert(je),ke.convert(We),Se)}finally{const Ge=S!==null?ve.get(S).__webglFramebuffer:null;$.bindFramebuffer(P.FRAMEBUFFER,Ge)}}},this.copyFramebufferToTexture=function(w,B,H=0){const G=Math.pow(2,-H),V=Math.floor(B.image.width*G),Se=Math.floor(B.image.height*G);xe.setTexture2D(B,0),P.copyTexSubImage2D(P.TEXTURE_2D,H,0,0,w.x,w.y,V,Se),$.unbindTexture()},this.copyTextureToTexture=function(w,B,H,G=0){const V=B.image.width,Se=B.image.height,Le=ke.convert(H.format),He=ke.convert(H.type);xe.setTexture2D(H,0),P.pixelStorei(P.UNPACK_FLIP_Y_WEBGL,H.flipY),P.pixelStorei(P.UNPACK_PREMULTIPLY_ALPHA_WEBGL,H.premultiplyAlpha),P.pixelStorei(P.UNPACK_ALIGNMENT,H.unpackAlignment),B.isDataTexture?P.texSubImage2D(P.TEXTURE_2D,G,w.x,w.y,V,Se,Le,He,B.image.data):B.isCompressedTexture?P.compressedTexSubImage2D(P.TEXTURE_2D,G,w.x,w.y,B.mipmaps[0].width,B.mipmaps[0].height,Le,B.mipmaps[0].data):P.texSubImage2D(P.TEXTURE_2D,G,w.x,w.y,Le,He,B.image),G===0&&H.generateMipmaps&&P.generateMipmap(P.TEXTURE_2D),$.unbindTexture()},this.copyTextureToTexture3D=function(w,B,H,G,V=0){if(v.isWebGL1Renderer){console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");return}const Se=w.max.x-w.min.x+1,Le=w.max.y-w.min.y+1,He=w.max.z-w.min.z+1,Ge=ke.convert(G.format),je=ke.convert(G.type);let We;if(G.isData3DTexture)xe.setTexture3D(G,0),We=P.TEXTURE_3D;else if(G.isDataArrayTexture)xe.setTexture2DArray(G,0),We=P.TEXTURE_2D_ARRAY;else{console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");return}P.pixelStorei(P.UNPACK_FLIP_Y_WEBGL,G.flipY),P.pixelStorei(P.UNPACK_PREMULTIPLY_ALPHA_WEBGL,G.premultiplyAlpha),P.pixelStorei(P.UNPACK_ALIGNMENT,G.unpackAlignment);const Xe=P.getParameter(P.UNPACK_ROW_LENGTH),xt=P.getParameter(P.UNPACK_IMAGE_HEIGHT),an=P.getParameter(P.UNPACK_SKIP_PIXELS),Dt=P.getParameter(P.UNPACK_SKIP_ROWS),Yn=P.getParameter(P.UNPACK_SKIP_IMAGES),ct=H.isCompressedTexture?H.mipmaps[0]:H.image;P.pixelStorei(P.UNPACK_ROW_LENGTH,ct.width),P.pixelStorei(P.UNPACK_IMAGE_HEIGHT,ct.height),P.pixelStorei(P.UNPACK_SKIP_PIXELS,w.min.x),P.pixelStorei(P.UNPACK_SKIP_ROWS,w.min.y),P.pixelStorei(P.UNPACK_SKIP_IMAGES,w.min.z),H.isDataTexture||H.isData3DTexture?P.texSubImage3D(We,V,B.x,B.y,B.z,Se,Le,He,Ge,je,ct.data):H.isCompressedArrayTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),P.compressedTexSubImage3D(We,V,B.x,B.y,B.z,Se,Le,He,Ge,ct.data)):P.texSubImage3D(We,V,B.x,B.y,B.z,Se,Le,He,Ge,je,ct),P.pixelStorei(P.UNPACK_ROW_LENGTH,Xe),P.pixelStorei(P.UNPACK_IMAGE_HEIGHT,xt),P.pixelStorei(P.UNPACK_SKIP_PIXELS,an),P.pixelStorei(P.UNPACK_SKIP_ROWS,Dt),P.pixelStorei(P.UNPACK_SKIP_IMAGES,Yn),V===0&&G.generateMipmaps&&P.generateMipmap(We),$.unbindTexture()},this.initTexture=function(w){w.isCubeTexture?xe.setTextureCube(w,0):w.isData3DTexture?xe.setTexture3D(w,0):w.isDataArrayTexture||w.isCompressedArrayTexture?xe.setTexture2DArray(w,0):xe.setTexture2D(w,0),$.unbindTexture()},this.resetState=function(){E=0,b=0,S=null,$.reset(),Re.reset()},typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Cn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(e){this._outputColorSpace=e;const t=this.getContext();t.drawingBufferColorSpace=e===bo?"display-p3":"srgb",t.unpackColorSpace=it.workingColorSpace===Wr?"display-p3":"srgb"}get physicallyCorrectLights(){return console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),!this.useLegacyLights}set physicallyCorrectLights(e){console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),this.useLegacyLights=!e}get outputEncoding(){return console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace===Ct?ui:Rr}set outputEncoding(e){console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace=e===ui?Ct:Gn}get useLegacyLights(){return console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights}set useLegacyLights(e){console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights=e}}class Jd extends eh{}Jd.prototype.isWebGL1Renderer=!0;class Co{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new ye(e),this.density=t}clone(){return new Co(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Ro{constructor(e,t=1,n=1e3){this.isFog=!0,this.name="",this.color=new ye(e),this.near=t,this.far=n}clone(){return new Ro(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}let th=class extends nt{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t}};class Po{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=Dr,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=un()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}get updateRange(){return console.warn('THREE.InterleavedBuffer: "updateRange" is deprecated and removed in r169. Use "addUpdateRange()" instead.'),this._updateRange}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let i=0,s=this.stride;ie.far||t.push({distance:l,point:rr.clone(),uv:tn.getInterpolation(rr,Ea,or,Ta,pu,Sl,mu,new q),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}}function wa(r,e,t,n,i,s){Ns.subVectors(r,t).addScalar(.5).multiply(n),i!==void 0?(ar.x=s*Ns.x-i*Ns.y,ar.y=i*Ns.x+s*Ns.y):ar.copy(Ns),r.copy(e),r.x+=ar.x,r.y+=ar.y,r.applyMatrix4(jd)}const Aa=new C,gu=new C;class $d extends nt{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);const t=e.levels;for(let n=0,i=t.length;n0){let n,i;for(n=1,i=t.length;n0){Aa.setFromMatrixPosition(this.matrixWorld);const i=e.ray.origin.distanceTo(Aa);this.getObjectForDistance(i).raycast(e,t)}}update(e){const t=this.levels;if(t.length>1){Aa.setFromMatrixPosition(e.matrixWorld),gu.setFromMatrixPosition(this.matrixWorld);const n=Aa.distanceTo(gu)/e.zoom;t[0].object.visible=!0;let i,s;for(i=1,s=t.length;i=a)t[i-1].object.visible=!1,t[i].object.visible=!0;else break}for(this._currentLevel=i-1;i=n.length&&n.push({start:-1,count:-1,z:-1});const s=n[this.index];i.push(s),this.index++,s.start=e.start,s.count=e.count,s.z=t}reset(){this.list.length=0,this.index=0}}const Fs="batchId",Mi=new Ve,Tu=new Ve,Sy=new Ve,wu=new Ve,wl=new Yr,Pa=new jt,Vi=new Gt,hr=new C,Al=new by,zt=new At,La=[];function Ey(r,e,t=0){const n=e.itemSize;if(r.isInterleavedBufferAttribute||r.array.constructor!==e.array.constructor){const i=r.count;for(let s=0;s65536?new Uint32Array(s):new Uint16Array(s);t.setIndex(new et(o,1))}const a=i>65536?new Uint32Array(n):new Uint16Array(n);t.setAttribute(Fs,new et(a,1)),this._geometryInitialized=!0}}_validateGeometry(e){if(e.getAttribute(Fs))throw new Error(`BatchedMesh: Geometry cannot use attribute "${Fs}"`);const t=this.geometry;if(!!e.getIndex()!=!!t.getIndex())throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in t.attributes){if(n===Fs)continue;if(!e.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=e.getAttribute(n),s=t.getAttribute(n);if(i.itemSize!==s.itemSize||i.normalized!==s.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new jt);const e=this._geometryCount,t=this.boundingBox,n=this._active;t.makeEmpty();for(let i=0;i=this._maxGeometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let s=null;const a=this._reservedRanges,o=this._drawRanges,l=this._bounds;this._geometryCount!==0&&(s=a[a.length-1]),t===-1?i.vertexCount=e.getAttribute("position").count:i.vertexCount=t,s===null?i.vertexStart=0:i.vertexStart=s.vertexStart+s.vertexCount;const c=e.getIndex(),h=c!==null;if(h&&(n===-1?i.indexCount=c.count:i.indexCount=n,s===null?i.indexStart=0:i.indexStart=s.indexStart+s.indexCount),i.indexStart!==-1&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const u=this._visibility,f=this._active,d=this._matricesTexture,m=this._matricesTexture.image.data;u.push(!0),f.push(!0);const _=this._geometryCount;this._geometryCount++,Sy.toArray(m,_*16),d.needsUpdate=!0,a.push(i),o.push({start:h?i.indexStart:i.vertexStart,count:-1}),l.push({boxInitialized:!1,box:new jt,sphereInitialized:!1,sphere:new Gt});const g=this.geometry.getAttribute(Fs);for(let p=0;p=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(t);const n=this.geometry,i=n.getIndex()!==null,s=n.getIndex(),a=t.getIndex(),o=this._reservedRanges[e];if(i&&a.count>o.indexCount||t.attributes.position.count>o.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const l=o.vertexStart,c=o.vertexCount;for(const d in n.attributes){if(d===Fs)continue;const m=t.getAttribute(d),_=n.getAttribute(d);Ey(m,_,l);const g=m.itemSize;for(let p=m.count,x=c;p=t.length||t[e]===!1?this:(t[e]=!1,this._visibilityChanged=!0,this)}getBoundingBoxAt(e,t){if(this._active[e]===!1)return this;const i=this._bounds[e],s=i.box,a=this.geometry;if(i.boxInitialized===!1){s.makeEmpty();const o=a.index,l=a.attributes.position,c=this._drawRanges[e];for(let h=c.start,u=c.start+c.count;h=a||n[e]===!1?this:(t.toArray(s,e*16),i.needsUpdate=!0,this)}getMatrixAt(e,t){const n=this._active,i=this._matricesTexture.image.data,s=this._geometryCount;return e>=s||n[e]===!1?null:t.fromArray(i,e*16)}setVisibleAt(e,t){const n=this._visibility,i=this._active,s=this._geometryCount;return e>=s||i[e]===!1||n[e]===t?this:(n[e]=t,this._visibilityChanged=!0,this)}getVisibleAt(e){const t=this._visibility,n=this._active,i=this._geometryCount;return e>=i||n[e]===!1?!1:t[e]}raycast(e,t){const n=this._visibility,i=this._active,s=this._drawRanges,a=this._geometryCount,o=this.matrixWorld,l=this.geometry;zt.material=this.material,zt.geometry.index=l.index,zt.geometry.attributes=l.attributes,zt.geometry.boundingBox===null&&(zt.geometry.boundingBox=new jt),zt.geometry.boundingSphere===null&&(zt.geometry.boundingSphere=new Gt);for(let c=0;c({...t})),this._reservedRanges=e._reservedRanges.map(t=>({...t})),this._visibility=e._visibility.slice(),this._active=e._active.slice(),this._bounds=e._bounds.map(t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()})),this._maxGeometryCount=e._maxGeometryCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._geometryCount=e._geometryCount,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this}onBeforeRender(e,t,n,i,s){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const a=i.getIndex(),o=a===null?1:a.array.BYTES_PER_ELEMENT,l=this._visibility,c=this._multiDrawStarts,h=this._multiDrawCounts,u=this._drawRanges,f=this.perObjectFrustumCulled;f&&(wu.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),wl.setFromProjectionMatrix(wu,e.isWebGPURenderer?Ws:Cn));let d=0;if(this.sortObjects){Tu.copy(this.matrixWorld).invert(),hr.setFromMatrixPosition(n.matrixWorld).applyMatrix4(Tu);for(let g=0,p=l.length;gl)continue;f.applyMatrix4(this.matrixWorld);const L=e.ray.origin.distanceTo(f);Le.far||t.push({distance:L,point:u.clone().applyMatrix4(this.matrixWorld),index:v,face:null,faceIndex:null,object:this})}}else{const p=Math.max(0,a.start),x=Math.min(g.count,a.start+a.count);for(let v=p,y=x-1;vl)continue;f.applyMatrix4(this.matrixWorld);const b=e.ray.origin.distanceTo(f);be.far||t.push({distance:b,point:u.clone().applyMatrix4(this.matrixWorld),index:v,face:null,faceIndex:null,object:this})}}}updateMorphTargets(){const t=this.geometry.morphAttributes,n=Object.keys(t);if(n.length>0){const i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=i.length;s0){const i=t[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=i.length;si.far)return;s.push({distance:c,distanceToRay:Math.sqrt(o),point:l,index:e,face:null,object:a})}}class Ty extends Et{constructor(e,t,n,i,s,a,o,l,c){super(e,t,n,i,s,a,o,l,c),this.isVideoTexture=!0,this.minFilter=a!==void 0?a:St,this.magFilter=s!==void 0?s:St,this.generateMipmaps=!1;const h=this;function u(){h.needsUpdate=!0,e.requestVideoFrameCallback(u)}"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(u)}clone(){return new this.constructor(this.image).copy(this)}update(){const e=this.image;"requestVideoFrameCallback"in e===!1&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class wy extends Et{constructor(e,t){super({width:e,height:t}),this.isFramebufferTexture=!0,this.magFilter=bt,this.minFilter=bt,this.generateMipmaps=!1,this.needsUpdate=!0}}class Io extends Et{constructor(e,t,n,i,s,a,o,l,c,h,u,f){super(null,a,o,l,c,h,i,s,u,f),this.isCompressedTexture=!0,this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}class Ay extends Io{constructor(e,t,n,i,s,a){super(e,t,n,s,a),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=Vt}}class Cy extends Io{constructor(e,t,n){super(void 0,e[0].width,e[0].height,t,n,di),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}}class Ry extends Et{constructor(e,t,n,i,s,a,o,l,c){super(e,t,n,i,s,a,o,l,c),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Ln{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)}getPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t}getSpacedPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t}getLength(){const e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,i=this.getPoint(0),s=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),s+=n.distanceTo(i),t.push(s),i=n;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){const n=this.getLengths();let i=0;const s=n.length;let a;t?a=t:a=e*n[s-1];let o=0,l=s-1,c;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),c=n[i]-a,c<0)o=i+1;else if(c>0)l=i-1;else{l=i;break}if(i=l,n[i]===a)return i/(s-1);const h=n[i],f=n[i+1]-h,d=(a-h)/f;return(i+d)/(s-1)}getTangent(e,t){let i=e-1e-4,s=e+1e-4;i<0&&(i=0),s>1&&(s=1);const a=this.getPoint(i),o=this.getPoint(s),l=t||(a.isVector2?new q:new C);return l.copy(o).sub(a).normalize(),l}getTangentAt(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t){const n=new C,i=[],s=[],a=[],o=new C,l=new Ve;for(let d=0;d<=e;d++){const m=d/e;i[d]=this.getTangentAt(m,new C)}s[0]=new C,a[0]=new C;let c=Number.MAX_VALUE;const h=Math.abs(i[0].x),u=Math.abs(i[0].y),f=Math.abs(i[0].z);h<=c&&(c=h,n.set(1,0,0)),u<=c&&(c=u,n.set(0,1,0)),f<=c&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),s[0].crossVectors(i[0],o),a[0].crossVectors(i[0],s[0]);for(let d=1;d<=e;d++){if(s[d]=s[d-1].clone(),a[d]=a[d-1].clone(),o.crossVectors(i[d-1],i[d]),o.length()>Number.EPSILON){o.normalize();const m=Math.acos(pt(i[d-1].dot(i[d]),-1,1));s[d].applyMatrix4(l.makeRotationAxis(o,m))}a[d].crossVectors(i[d],s[d])}if(t===!0){let d=Math.acos(pt(s[0].dot(s[e]),-1,1));d/=e,i[0].dot(o.crossVectors(s[0],s[e]))>0&&(d=-d);for(let m=1;m<=e;m++)s[m].applyMatrix4(l.makeRotationAxis(i[m],d*m)),a[m].crossVectors(i[m],s[m])}return{tangents:i,normals:s,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){const e={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}class Do extends Ln{constructor(e=0,t=0,n=1,i=1,s=0,a=Math.PI*2,o=!1,l=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=i,this.aStartAngle=s,this.aEndAngle=a,this.aClockwise=o,this.aRotation=l}getPoint(e,t){const n=t||new q,i=Math.PI*2;let s=this.aEndAngle-this.aStartAngle;const a=Math.abs(s)i;)s-=i;s0?0:(Math.floor(Math.abs(o)/s)+1)*s:l===0&&o===s-1&&(o=s-2,l=1);let c,h;this.closed||o>0?c=i[(o-1)%s]:(Na.subVectors(i[0],i[1]).add(i[0]),c=Na);const u=i[o%s],f=i[(o+1)%s];if(this.closed||o+2i.length-2?i.length-1:a+1],u=i[a>i.length-3?i.length-1:a+2];return n.set(Uu(o,l.x,c.x,h.x,u.x),Uu(o,l.y,c.y,h.y,u.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t=n){const a=i[s]-n,o=this.curves[s],l=o.getLength(),c=l===0?0:1-a/l;return o.getPointAt(c,t)}s++}return null}getLength(){const e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const e=[];let t=0;for(let n=0,i=this.curves.length;n1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t0){const u=c.getPoint(0);u.equals(this.currentPoint)||this.lineTo(u.x,u.y)}this.curves.push(c);const h=c.getPoint(1);return this.currentPoint.copy(h),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){const e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class Kr extends Ye{constructor(e=[new q(0,-.5),new q(.5,0),new q(0,.5)],t=12,n=0,i=Math.PI*2){super(),this.type="LatheGeometry",this.parameters={points:e,segments:t,phiStart:n,phiLength:i},t=Math.floor(t),i=pt(i,0,Math.PI*2);const s=[],a=[],o=[],l=[],c=[],h=1/t,u=new C,f=new q,d=new C,m=new C,_=new C;let g=0,p=0;for(let x=0;x<=e.length-1;x++)switch(x){case 0:g=e[x+1].x-e[x].x,p=e[x+1].y-e[x].y,d.x=p*1,d.y=-g,d.z=p*0,_.copy(d),d.normalize(),l.push(d.x,d.y,d.z);break;case e.length-1:l.push(_.x,_.y,_.z);break;default:g=e[x+1].x-e[x].x,p=e[x+1].y-e[x].y,d.x=p*1,d.y=-g,d.z=p*0,m.copy(d),d.x+=_.x,d.y+=_.y,d.z+=_.z,d.normalize(),l.push(d.x,d.y,d.z),_.copy(m)}for(let x=0;x<=t;x++){const v=n+x*h*i,y=Math.sin(v),E=Math.cos(v);for(let b=0;b<=e.length-1;b++){u.x=e[b].x*y,u.y=e[b].y,u.z=e[b].x*E,a.push(u.x,u.y,u.z),f.x=x/t,f.y=b/(e.length-1),o.push(f.x,f.y);const S=l[3*b+0]*y,L=l[3*b+1],M=l[3*b+0]*E;c.push(S,L,M)}}for(let x=0;x0&&v(!0),t>0&&v(!1)),this.setIndex(h),this.setAttribute("position",new we(u,3)),this.setAttribute("normal",new we(f,3)),this.setAttribute("uv",new we(d,2));function x(){const y=new C,E=new C;let b=0;const S=(t-e)/n;for(let L=0;L<=s;L++){const M=[],A=L/s,U=A*(t-e)+e;for(let z=0;z<=i;z++){const K=z/i,D=K*l+o,F=Math.sin(D),J=Math.cos(D);E.x=U*F,E.y=-A*n+g,E.z=U*J,u.push(E.x,E.y,E.z),y.set(F,S,J).normalize(),f.push(y.x,y.y,y.z),d.push(K,1-A),M.push(m++)}_.push(M)}for(let L=0;L.9&&S<.1&&(v<.2&&(a[x+0]+=1),y<.2&&(a[x+2]+=1),E<.2&&(a[x+4]+=1))}}function f(x){s.push(x.x,x.y,x.z)}function d(x,v){const y=x*3;v.x=e[y+0],v.y=e[y+1],v.z=e[y+2]}function m(){const x=new C,v=new C,y=new C,E=new C,b=new q,S=new q,L=new q;for(let M=0,A=0;M80*t){o=c=r[0],l=h=r[1];for(let 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i=n.prev,s=n.next.next;!zo(i,s)&&fp(i,n,n.next,s)&&Fr(i,s)&&Fr(s,i)&&(e.push(i.i/t|0),e.push(n.i/t|0),e.push(s.i/t|0),Br(n),Br(n.next),n=r=s),n=n.next}while(n!==r);return us(n)}function Vy(r,e,t,n,i,s){let a=r;do{let o=a.next.next;for(;o!==a.prev;){if(a.i!==o.i&&Jy(a,o)){let l=dp(a,o);a=us(a,a.next),l=us(l,l.next),Or(a,e,t,n,i,s,0),Or(l,e,t,n,i,s,0);return}o=o.next}a=a.next}while(a!==r)}function Hy(r,e,t,n){const i=[];let s,a,o,l,c;for(s=0,a=e.length;s=t.next.y&&t.next.y!==t.y){const f=t.x+(a-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(f<=s&&f>n&&(n=f,i=t.x=t.x&&t.x>=l&&s!==t.x&&ks(ai.x||t.x===i.x&&qy(i,t)))&&(i=t,h=u)),t=t.next;while(t!==o);return i}function qy(r,e){return ht(r.prev,r,e.prev)<0&&ht(e.next,r,r.next)<0}function Yy(r,e,t,n){let i=r;do i.z===0&&(i.z=wc(i.x,i.y,e,t,n)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next;while(i!==r);i.prevZ.nextZ=null,i.prevZ=null,Zy(i)}function Zy(r){let e,t,n,i,s,a,o,l,c=1;do{for(t=r,r=null,s=null,a=0;t;){for(a++,n=t,o=0,e=0;e0||l>0&&n;)o!==0&&(l===0||!n||t.z<=n.z)?(i=t,t=t.nextZ,o--):(i=n,n=n.nextZ,l--),s?s.nextZ=i:r=i,i.prevZ=s,s=i;t=n}s.nextZ=null,c*=2}while(a>1);return r}function wc(r,e,t,n,i){return r=(r-t)*i|0,e=(e-n)*i|0,r=(r|r<<8)&16711935,r=(r|r<<4)&252645135,r=(r|r<<2)&858993459,r=(r|r<<1)&1431655765,e=(e|e<<8)&16711935,e=(e|e<<4)&252645135,e=(e|e<<2)&858993459,e=(e|e<<1)&1431655765,r|e<<1}function Ky(r){let e=r,t=r;do(e.x=(r-a)*(s-o)&&(r-a)*(n-o)>=(t-a)*(e-o)&&(t-a)*(s-o)>=(i-a)*(n-o)}function Jy(r,e){return r.next.i!==e.i&&r.prev.i!==e.i&&!jy(r,e)&&(Fr(r,e)&&Fr(e,r)&&Qy(r,e)&&(ht(r.prev,r,e.prev)||ht(r,e.prev,e))||zo(r,e)&&ht(r.prev,r,r.next)>0&&ht(e.prev,e,e.next)>0)}function ht(r,e,t){return(e.y-r.y)*(t.x-e.x)-(e.x-r.x)*(t.y-e.y)}function zo(r,e){return r.x===e.x&&r.y===e.y}function fp(r,e,t,n){const i=ka(ht(r,e,t)),s=ka(ht(r,e,n)),a=ka(ht(t,n,r)),o=ka(ht(t,n,e));return!!(i!==s&&a!==o||i===0&&za(r,t,e)||s===0&&za(r,n,e)||a===0&&za(t,r,n)||o===0&&za(t,e,n))}function za(r,e,t){return e.x<=Math.max(r.x,t.x)&&e.x>=Math.min(r.x,t.x)&&e.y<=Math.max(r.y,t.y)&&e.y>=Math.min(r.y,t.y)}function ka(r){return r>0?1:r<0?-1:0}function jy(r,e){let t=r;do{if(t.i!==r.i&&t.next.i!==r.i&&t.i!==e.i&&t.next.i!==e.i&&fp(t,t.next,r,e))return!0;t=t.next}while(t!==r);return!1}function Fr(r,e){return ht(r.prev,r,r.next)<0?ht(r,e,r.next)>=0&&ht(r,r.prev,e)>=0:ht(r,e,r.prev)<0||ht(r,r.next,e)<0}function Qy(r,e){let t=r,n=!1;const i=(r.x+e.x)/2,s=(r.y+e.y)/2;do t.y>s!=t.next.y>s&&t.next.y!==t.y&&i<(t.next.x-t.x)*(s-t.y)/(t.next.y-t.y)+t.x&&(n=!n),t=t.next;while(t!==r);return n}function dp(r,e){const t=new Ac(r.i,r.x,r.y),n=new Ac(e.i,e.x,e.y),i=r.next,s=e.prev;return r.next=e,e.prev=r,t.next=i,i.prev=t,n.next=t,t.prev=n,s.next=n,n.prev=s,n}function Nu(r,e,t,n){const i=new Ac(r,e,t);return n?(i.next=n.next,i.prev=n,n.next.prev=i,n.next=i):(i.prev=i,i.next=i),i}function Br(r){r.next.prev=r.prev,r.prev.next=r.next,r.prevZ&&(r.prevZ.nextZ=r.nextZ),r.nextZ&&(r.nextZ.prevZ=r.prevZ)}function Ac(r,e,t){this.i=r,this.x=e,this.y=t,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}function $y(r,e,t,n){let i=0;for(let s=e,a=t-n;s2&&r[e-1].equals(r[0])&&r.pop()}function Fu(r,e){for(let t=0;tNumber.EPSILON){const T=Math.sqrt(st),k=Math.sqrt(Ne*Ne+Je*Je),ae=he.x-xe/T,ne=he.y+ve/T,N=Y.x-Je/k,fe=Y.y+Ne/k,le=((N-ae)*Je-(fe-ne)*Ne)/(ve*Je-xe*Ne);oe=ae+ve*le-P.x,$=ne+xe*le-P.y;const ge=oe*oe+$*$;if(ge<=2)return new q(oe,$);Ce=Math.sqrt(ge/2)}else{let T=!1;ve>Number.EPSILON?Ne>Number.EPSILON&&(T=!0):ve<-Number.EPSILON?Ne<-Number.EPSILON&&(T=!0):Math.sign(xe)===Math.sign(Je)&&(T=!0),T?(oe=-xe,$=ve,Ce=Math.sqrt(st)):(oe=ve,$=xe,Ce=Math.sqrt(st/2))}return new q(oe/Ce,$/Ce)}const j=[];for(let P=0,he=D.length,Y=he-1,oe=P+1;P=0;P--){const he=P/g,Y=d*Math.cos(he*Math.PI/2),oe=m*Math.sin(he*Math.PI/2)+_;for(let $=0,Ce=D.length;$=0;){const oe=Y;let $=Y-1;$<0&&($=P.length-1);for(let Ce=0,ve=h+g*2;Ce0)&&d.push(v,y,b),(p!==n-1||l0!=e>0&&this.version++,this._anisotropy=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}class vp extends Xt{constructor(e){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new ye(16777215),this.specular=new ye(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ye(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new q(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=Gr,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class xp extends Xt{constructor(e){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new ye(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ye(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new q(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}class yp extends Xt{constructor(e){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new q(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}}class Mp extends Xt{constructor(e){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new ye(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new ye(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new q(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=Gr,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class bp extends Xt{constructor(e){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new ye(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new q(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this.fog=e.fog,this}}class Sp extends $t{constructor(e){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}function ns(r,e,t){return!r||!t&&r.constructor===e?r:typeof e.BYTES_PER_ELEMENT=="number"?new e(r):Array.prototype.slice.call(r)}function Ep(r){return ArrayBuffer.isView(r)&&!(r instanceof DataView)}function Tp(r){function e(i,s){return r[i]-r[s]}const t=r.length,n=new Array(t);for(let i=0;i!==t;++i)n[i]=i;return n.sort(e),n}function Cc(r,e,t){const n=r.length,i=new r.constructor(n);for(let s=0,a=0;a!==n;++s){const o=t[s]*e;for(let l=0;l!==e;++l)i[a++]=r[o+l]}return i}function uh(r,e,t,n){let i=1,s=r[0];for(;s!==void 0&&s[n]===void 0;)s=r[i++];if(s===void 0)return;let a=s[n];if(a!==void 0)if(Array.isArray(a))do a=s[n],a!==void 0&&(e.push(s.time),t.push.apply(t,a)),s=r[i++];while(s!==void 0);else if(a.toArray!==void 0)do a=s[n],a!==void 0&&(e.push(s.time),a.toArray(t,t.length)),s=r[i++];while(s!==void 0);else do a=s[n],a!==void 0&&(e.push(s.time),t.push(a)),s=r[i++];while(s!==void 0)}function iM(r,e,t,n,i=30){const s=r.clone();s.name=e;const a=[];for(let l=0;l=n)){u.push(c.times[d]);for(let _=0;_s.tracks[l].times[0]&&(o=s.tracks[l].times[0]);for(let l=0;l=o.times[m]){const p=m*u+h,x=p+u-h;_=o.values.slice(p,x)}else{const p=o.createInterpolant(),x=h,v=u-h;p.evaluate(s),_=p.resultBuffer.slice(x,v)}l==="quaternion"&&new Ht().fromArray(_).normalize().conjugate().toArray(_);const g=c.times.length;for(let p=0;p=s)){const o=t[1];e=s)break t}a=n,n=0;break n}break e}for(;n>>1;et;)--a;if(++a,s!==0||a!==i){s>=a&&(a=Math.max(a,1),s=a-1);const o=this.getValueSize();this.times=n.slice(s,a),this.values=this.values.slice(s*o,a*o)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!==0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const n=this.times,i=this.values,s=n.length;s===0&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let o=0;o!==s;o++){const l=n[o];if(typeof l=="number"&&isNaN(l)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,l),e=!1;break}if(a!==null&&a>l){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,l,a),e=!1;break}a=l}if(i!==void 0&&Ep(i))for(let o=0,l=i.length;o!==l;++o){const c=i[o];if(isNaN(c)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,o,c),e=!1;break}}return e}optimize(){const e=this.times.slice(),t=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===to,s=e.length-1;let a=1;for(let o=1;o0){e[a]=e[s];for(let o=s*n,l=a*n,c=0;c!==n;++c)t[l+c]=t[o+c];++a}return a!==e.length?(this.times=e.slice(0,a),this.values=t.slice(0,a*n)):(this.times=e,this.values=t),this}clone(){const e=this.times.slice(),t=this.values.slice(),n=this.constructor,i=new n(this.name,e,t);return i.createInterpolant=this.createInterpolant,i}}In.prototype.TimeBufferType=Float32Array;In.prototype.ValueBufferType=Float32Array;In.prototype.DefaultInterpolation=Ar;class ms extends In{}ms.prototype.ValueTypeName="bool";ms.prototype.ValueBufferType=Array;ms.prototype.DefaultInterpolation=wr;ms.prototype.InterpolantFactoryMethodLinear=void 0;ms.prototype.InterpolantFactoryMethodSmooth=void 0;class dh extends In{}dh.prototype.ValueTypeName="color";class zr extends In{}zr.prototype.ValueTypeName="number";class Cp extends Qr{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){const s=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=(n-t)/(i-t);let c=e*o;for(let h=c+o;c!==h;c+=4)Ht.slerpFlat(s,0,a,c-o,a,c,l);return s}}class $s extends In{InterpolantFactoryMethodLinear(e){return new Cp(this.times,this.values,this.getValueSize(),e)}}$s.prototype.ValueTypeName="quaternion";$s.prototype.DefaultInterpolation=Ar;$s.prototype.InterpolantFactoryMethodSmooth=void 0;class gs extends In{}gs.prototype.ValueTypeName="string";gs.prototype.ValueBufferType=Array;gs.prototype.DefaultInterpolation=wr;gs.prototype.InterpolantFactoryMethodLinear=void 0;gs.prototype.InterpolantFactoryMethodSmooth=void 0;class kr extends In{}kr.prototype.ValueTypeName="vector";class Vr{constructor(e,t=-1,n,i=Mo){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=un(),this.duration<0&&this.resetDuration()}static parse(e){const t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(oM(n[a]).scale(i));const s=new this(e.name,e.duration,t,e.blendMode);return s.uuid=e.uuid,s}static toJSON(e){const t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let s=0,a=n.length;s!==a;++s)t.push(In.toJSON(n[s]));return i}static CreateFromMorphTargetSequence(e,t,n,i){const s=t.length,a=[];for(let o=0;o1){const u=h[1];let f=i[u];f||(i[u]=f=[]),f.push(c)}}const a=[];for(const o in i)a.push(this.CreateFromMorphTargetSequence(o,i[o],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(u,f,d,m,_){if(d.length!==0){const g=[],p=[];uh(d,g,p,m),g.length!==0&&_.push(new u(f,g,p))}},i=[],s=e.name||"default",a=e.fps||30,o=e.blendMode;let l=e.length||-1;const c=e.hierarchy||[];for(let u=0;u{t&&t(s),this.manager.itemEnd(e)},0),s;if($n[e]!==void 0){$n[e].push({onLoad:t,onProgress:n,onError:i});return}$n[e]=[],$n[e].push({onLoad:t,onProgress:n,onError:i});const a=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),o=this.mimeType,l=this.responseType;fetch(a).then(c=>{if(c.status===200||c.status===0){if(c.status===0&&console.warn("THREE.FileLoader: HTTP Status 0 received."),typeof ReadableStream>"u"||c.body===void 0||c.body.getReader===void 0)return c;const h=$n[e],u=c.body.getReader(),f=c.headers.get("Content-Length")||c.headers.get("X-File-Size"),d=f?parseInt(f):0,m=d!==0;let _=0;const g=new ReadableStream({start(p){x();function x(){u.read().then(({done:v,value:y})=>{if(v)p.close();else{_+=y.byteLength;const E=new ProgressEvent("progress",{lengthComputable:m,loaded:_,total:d});for(let b=0,S=h.length;b{switch(l){case"arraybuffer":return c.arrayBuffer();case"blob":return c.blob();case"document":return c.text().then(h=>new DOMParser().parseFromString(h,o));case"json":return c.json();default:if(o===void 0)return c.text();{const u=/charset="?([^;"\s]*)"?/i.exec(o),f=u&&u[1]?u[1].toLowerCase():void 0,d=new TextDecoder(f);return c.arrayBuffer().then(m=>d.decode(m))}}}).then(c=>{fs.add(e,c);const h=$n[e];delete $n[e];for(let u=0,f=h.length;u{const h=$n[e];if(h===void 0)throw this.manager.itemError(e),c;delete $n[e];for(let u=0,f=h.length;u{this.manager.itemEnd(e)}),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class cM extends rn{constructor(e){super(e)}load(e,t,n,i){const s=this,a=new pi(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(o){try{t(s.parse(JSON.parse(o)))}catch(l){i?i(l):console.error(l),s.manager.itemError(e)}},n,i)}parse(e){const t=[];for(let n=0;n0:i.vertexColors=e.vertexColors),e.uniforms!==void 0)for(const s in e.uniforms){const a=e.uniforms[s];switch(i.uniforms[s]={},a.type){case"t":i.uniforms[s].value=n(a.value);break;case"c":i.uniforms[s].value=new ye().setHex(a.value);break;case"v2":i.uniforms[s].value=new q().fromArray(a.value);break;case"v3":i.uniforms[s].value=new C().fromArray(a.value);break;case"v4":i.uniforms[s].value=new rt().fromArray(a.value);break;case"m3":i.uniforms[s].value=new Ke().fromArray(a.value);break;case"m4":i.uniforms[s].value=new Ve().fromArray(a.value);break;default:i.uniforms[s].value=a.value}}if(e.defines!==void 0&&(i.defines=e.defines),e.vertexShader!==void 0&&(i.vertexShader=e.vertexShader),e.fragmentShader!==void 0&&(i.fragmentShader=e.fragmentShader),e.glslVersion!==void 0&&(i.glslVersion=e.glslVersion),e.extensions!==void 0)for(const s in e.extensions)i.extensions[s]=e.extensions[s];if(e.lights!==void 0&&(i.lights=e.lights),e.clipping!==void 0&&(i.clipping=e.clipping),e.size!==void 0&&(i.size=e.size),e.sizeAttenuation!==void 0&&(i.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(i.map=n(e.map)),e.matcap!==void 0&&(i.matcap=n(e.matcap)),e.alphaMap!==void 0&&(i.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(i.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(i.bumpScale=e.bumpScale),e.normalMap!==void 0&&(i.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(i.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),i.normalScale=new q().fromArray(s)}return e.displacementMap!==void 0&&(i.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(i.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(i.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(i.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(i.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(i.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(i.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(i.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(i.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(i.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(i.envMap=n(e.envMap)),e.envMapIntensity!==void 0&&(i.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(i.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(i.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(i.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(i.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(i.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(i.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(i.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(i.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 0&&(i.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),e.clearcoatNormalMap!==void 0&&(i.clearcoatNormalMap=n(e.clearcoatNormalMap)),e.clearcoatNormalScale!==void 0&&(i.clearcoatNormalScale=new q().fromArray(e.clearcoatNormalScale)),e.iridescenceMap!==void 0&&(i.iridescenceMap=n(e.iridescenceMap)),e.iridescenceThicknessMap!==void 0&&(i.iridescenceThicknessMap=n(e.iridescenceThicknessMap)),e.transmissionMap!==void 0&&(i.transmissionMap=n(e.transmissionMap)),e.thicknessMap!==void 0&&(i.thicknessMap=n(e.thicknessMap)),e.anisotropyMap!==void 0&&(i.anisotropyMap=n(e.anisotropyMap)),e.sheenColorMap!==void 0&&(i.sheenColorMap=n(e.sheenColorMap)),e.sheenRoughnessMap!==void 0&&(i.sheenRoughnessMap=n(e.sheenRoughnessMap)),i}setTextures(e){return this.textures=e,this}static createMaterialFromType(e){const t={ShadowMaterial:mp,SpriteMaterial:nh,RawShaderMaterial:gp,ShaderMaterial:Pn,PointsMaterial:sh,MeshPhysicalMaterial:_p,MeshStandardMaterial:hh,MeshPhongMaterial:vp,MeshToonMaterial:xp,MeshNormalMaterial:yp,MeshLambertMaterial:Mp,MeshDepthMaterial:Qc,MeshDistanceMaterial:$c,MeshBasicMaterial:Ii,MeshMatcapMaterial:bp,LineDashedMaterial:Sp,LineBasicMaterial:$t,Material:Xt};return new t[e]}}class Rc{static decodeText(e){if(typeof TextDecoder<"u")return new TextDecoder().decode(e);let t="";for(let n=0,i=e.length;n0){const l=new ph(t);s=new Hr(l),s.setCrossOrigin(this.crossOrigin);for(let c=0,h=e.length;c0){i=new Hr(this.manager),i.setCrossOrigin(this.crossOrigin);for(let a=0,o=e.length;a{const g=new jt;g.min.fromArray(_.boxMin),g.max.fromArray(_.boxMax);const p=new Gt;return p.radius=_.sphereRadius,p.center.fromArray(_.sphereCenter),{boxInitialized:_.boxInitialized,box:g,sphereInitialized:_.sphereInitialized,sphere:p}}),a._maxGeometryCount=e.maxGeometryCount,a._maxVertexCount=e.maxVertexCount,a._maxIndexCount=e.maxIndexCount,a._geometryInitialized=e.geometryInitialized,a._geometryCount=e.geometryCount,a._matricesTexture=c(e.matricesTexture.uuid);break;case"LOD":a=new $d;break;case"Line":a=new Pi(o(e.geometry),l(e.material));break;case"LineLoop":a=new ip(o(e.geometry),l(e.material));break;case"LineSegments":a=new qn(o(e.geometry),l(e.material));break;case"PointCloud":case"Points":a=new sp(o(e.geometry),l(e.material));break;case"Sprite":a=new Qd(l(e.material));break;case"Group":a=new ts;break;case"Bone":a=new ih;break;default:a=new nt}if(a.uuid=e.uuid,e.name!==void 0&&(a.name=e.name),e.matrix!==void 0?(a.matrix.fromArray(e.matrix),e.matrixAutoUpdate!==void 0&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)):(e.position!==void 0&&a.position.fromArray(e.position),e.rotation!==void 0&&a.rotation.fromArray(e.rotation),e.quaternion!==void 0&&a.quaternion.fromArray(e.quaternion),e.scale!==void 0&&a.scale.fromArray(e.scale)),e.up!==void 0&&a.up.fromArray(e.up),e.castShadow!==void 0&&(a.castShadow=e.castShadow),e.receiveShadow!==void 0&&(a.receiveShadow=e.receiveShadow),e.shadow&&(e.shadow.bias!==void 0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){const f=e.children;for(let d=0;d"u"&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),typeof fetch>"u"&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,n,i){e===void 0&&(e=""),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);const s=this,a=fs.get(e);if(a!==void 0)return s.manager.itemStart(e),setTimeout(function(){t&&t(a),s.manager.itemEnd(e)},0),a;const o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader,fetch(e,o).then(function(l){return l.blob()}).then(function(l){return createImageBitmap(l,Object.assign(s.options,{colorSpaceConversion:"none"}))}).then(function(l){fs.add(e,l),t&&t(l),s.manager.itemEnd(e)}).catch(function(l){i&&i(l),s.manager.itemError(e),s.manager.itemEnd(e)}),s.manager.itemStart(e)}}let Va;class gh{static getContext(){return Va===void 0&&(Va=new(window.AudioContext||window.webkitAudioContext)),Va}static setContext(e){Va=e}}class yM extends rn{constructor(e){super(e)}load(e,t,n,i){const s=this,a=new pi(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(l){try{const c=l.slice(0);gh.getContext().decodeAudioData(c,function(u){t(u)}).catch(o)}catch(c){o(c)}},n,i);function o(l){i?i(l):console.error(l),s.manager.itemError(e)}}}const Xu=new Ve,qu=new Ve,Hi=new Ve;class MM{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Nt,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Nt,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){const t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,Hi.copy(e.projectionMatrix);const i=t.eyeSep/2,s=i*t.near/t.focus,a=t.near*Math.tan(ss*t.fov*.5)/t.zoom;let o,l;qu.elements[12]=-i,Xu.elements[12]=i,o=-a*t.aspect+s,l=a*t.aspect+s,Hi.elements[0]=2*t.near/(l-o),Hi.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(Hi),o=-a*t.aspect-s,l=a*t.aspect-s,Hi.elements[0]=2*t.near/(l-o),Hi.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(Hi)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(qu),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Xu)}}class kp{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Yu(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const t=Yu();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}}function Yu(){return(typeof performance>"u"?Date:performance).now()}const Gi=new C,Zu=new Ht,bM=new C,Wi=new C;class SM extends nt{constructor(){super(),this.type="AudioListener",this.context=gh.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new kp}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);const t=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Gi,Zu,bM),Wi.set(0,0,-1).applyQuaternion(Zu),t.positionX){const i=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Gi.x,i),t.positionY.linearRampToValueAtTime(Gi.y,i),t.positionZ.linearRampToValueAtTime(Gi.z,i),t.forwardX.linearRampToValueAtTime(Wi.x,i),t.forwardY.linearRampToValueAtTime(Wi.y,i),t.forwardZ.linearRampToValueAtTime(Wi.z,i),t.upX.linearRampToValueAtTime(n.x,i),t.upY.linearRampToValueAtTime(n.y,i),t.upZ.linearRampToValueAtTime(n.z,i)}else t.setPosition(Gi.x,Gi.y,Gi.z),t.setOrientation(Wi.x,Wi.y,Wi.z,n.x,n.y,n.z)}}class Vp extends nt{constructor(e){super(),this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){console.warn("THREE.Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;const t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(){if(this.hasPlaybackControl===!1){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,this.source!==null&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}}saveOriginalState(){const e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(let s=n,a=i;s!==a;++s)t[s]=t[i+s%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){const e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n=.5)for(let a=0;a!==s;++a)e[t+a]=e[n+a]}_slerp(e,t,n,i){Ht.slerpFlat(e,t,e,t,e,n,i)}_slerpAdditive(e,t,n,i,s){const a=this._workIndex*s;Ht.multiplyQuaternionsFlat(e,a,e,t,e,n),Ht.slerpFlat(e,t,e,t,e,a,i)}_lerp(e,t,n,i,s){const a=1-i;for(let o=0;o!==s;++o){const l=t+o;e[l]=e[l]*a+e[n+o]*i}}_lerpAdditive(e,t,n,i,s){for(let a=0;a!==s;++a){const o=t+a;e[o]=e[o]+e[n+a]*i}}}const _h="\\[\\]\\.:\\/",AM=new RegExp("["+_h+"]","g"),vh="[^"+_h+"]",CM="[^"+_h.replace("\\.","")+"]",RM=/((?:WC+[\/:])*)/.source.replace("WC",vh),PM=/(WCOD+)?/.source.replace("WCOD",CM),LM=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",vh),IM=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",vh),DM=new RegExp("^"+RM+PM+LM+IM+"$"),UM=["material","materials","bones","map"];class NM{constructor(e,t,n){const i=n||tt.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];i!==void 0&&i.getValue(e,t)}setValue(e,t){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,s=n.length;i!==s;++i)n[i].setValue(e,t)}bind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}}class tt{constructor(e,t,n){this.path=t,this.parsedPath=n||tt.parseTrackName(t),this.node=tt.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new tt.Composite(e,t,n):new tt(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(AM,"")}static parseTrackName(e){const t=DM.exec(e);if(t===null)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(i!==void 0&&i!==-1){const s=n.nodeName.substring(i+1);UM.indexOf(s)!==-1&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=s)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(t===void 0||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){const n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){const n=function(s){for(let a=0;a=s){const u=s++,f=e[u];t[f.uuid]=h,e[h]=f,t[c]=u,e[u]=l;for(let d=0,m=i;d!==m;++d){const _=n[d],g=_[u],p=_[h];_[h]=g,_[u]=p}}}this.nCachedObjects_=s}uncache(){const e=this._objects,t=this._indicesByUUID,n=this._bindings,i=n.length;let s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){const c=arguments[o],h=c.uuid,u=t[h];if(u!==void 0)if(delete t[h],u0&&(t[d.uuid]=u),e[u]=d,e.pop();for(let m=0,_=i;m!==_;++m){const g=n[m];g[u]=g[f],g.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){const n=this._bindingsIndicesByPath;let i=n[e];const s=this._bindings;if(i!==void 0)return s[i];const a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,h=this.nCachedObjects_,u=new Array(c);i=s.length,n[e]=i,a.push(e),o.push(t),s.push(u);for(let f=h,d=l.length;f!==d;++f){const m=l[f];u[f]=new tt(m,e,t)}return u}unsubscribe_(e){const t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){const i=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),s[n]=s[o],s.pop(),i[n]=i[o],i.pop()}}}class Gp{constructor(e,t,n=null,i=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=i;const s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Qi,endingEnd:Qi};for(let c=0;c!==a;++c){const h=s[c].createInterpolant(null);o[c]=h,h.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=Md,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n){if(e.fadeOut(t),this.fadeIn(t),n){const i=this._clip.duration,s=e._clip.duration,a=s/i,o=i/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n){return e.crossFadeFrom(this,t,n)}stopFading(){const e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){const i=this._mixer,s=i.time,a=this.timeScale;let o=this._timeScaleInterpolant;o===null&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);const l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){const e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,i){if(!this.enabled){this._updateWeight(e);return}const s=this._startTime;if(s!==null){const l=(e-s)*n;l<0||n===0?t=0:(this._startTime=null,t=n*l)}t*=this._updateTimeScale(e);const a=this._updateTime(t),o=this._updateWeight(e);if(o>0){const l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case Gc:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulateAdditive(o);break;case Mo:default:for(let h=0,u=l.length;h!==u;++h)l[h].evaluate(a),c[h].accumulate(i,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;const n=this._weightInterpolant;if(n!==null){const i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),i===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;const n=this._timeScaleInterpolant;if(n!==null){const i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t)}}return this._effectiveTimeScale=t,t}_updateTime(e){const t=this._clip.duration,n=this.loop;let i=this.time+e,s=this._loopCount;const a=n===bd;if(e===0)return s===-1?i:a&&(s&1)===1?t-i:i;if(n===yd){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(i>=t)i=t;else if(i<0)i=0;else{this.time=i;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),i>=t||i<0){const o=Math.floor(i/t);i-=t*o,s+=Math.abs(o);const l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=e>0?t:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){const c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=i;if(a&&(s&1)===1)return t-i}return i}_setEndings(e,t,n){const i=this._interpolantSettings;n?(i.endingStart=$i,i.endingEnd=$i):(e?i.endingStart=this.zeroSlopeAtStart?$i:Qi:i.endingStart=Cr,t?i.endingEnd=this.zeroSlopeAtEnd?$i:Qi:i.endingEnd=Cr)}_scheduleFading(e,t,n){const i=this._mixer,s=i.time;let a=this._weightInterpolant;a===null&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=n,this}}const FM=new Float32Array(1);class BM extends Xn{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){const n=e._localRoot||this._root,i=e._clip.tracks,s=i.length,a=e._propertyBindings,o=e._interpolants,l=n.uuid,c=this._bindingsByRootAndName;let h=c[l];h===void 0&&(h={},c[l]=h);for(let u=0;u!==s;++u){const f=i[u],d=f.name;let m=h[d];if(m!==void 0)++m.referenceCount,a[u]=m;else{if(m=a[u],m!==void 0){m._cacheIndex===null&&(++m.referenceCount,this._addInactiveBinding(m,l,d));continue}const _=t&&t._propertyBindings[u].binding.parsedPath;m=new Hp(tt.create(n,d,_),f.ValueTypeName,f.getValueSize()),++m.referenceCount,this._addInactiveBinding(m,l,d),a[u]=m}o[u].resultBuffer=m.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){const n=(e._localRoot||this._root).uuid,i=e._clip.uuid,s=this._actionsByClip[i];this._bindAction(e,s&&s.knownActions[0]),this._addInactiveAction(e,i,n)}const t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){const s=t[n];s.useCount++===0&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){const t=e._propertyBindings;for(let n=0,i=t.length;n!==i;++n){const s=t[n];--s.useCount===0&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){const t=e._cacheIndex;return t!==null&&t=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;const t=this._actions,n=this._nActiveActions,i=this.time+=e,s=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(i,e,s,a);const o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;tthis.max.x||e.ythis.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,ju).distanceTo(e)}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Qu=new C,Ha=new C;class XM{constructor(e=new C,t=new C){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){Qu.subVectors(e,this.start),Ha.subVectors(this.end,this.start);const n=Ha.dot(Ha);let s=Ha.dot(Qu)/n;return t&&(s=pt(s,0,1)),s}closestPointToPoint(e,t,n){const i=this.closestPointToPointParameter(e,t);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}}const $u=new C;class qM extends nt{constructor(e,t){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=t,this.type="SpotLightHelper";const n=new Ye,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a1)for(let u=0;u.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{rf.set(e.z,0,-e.x).normalize();const t=Math.acos(e.y);this.quaternion.setFromAxisAngle(rf,t)}}setLength(e,t=e*.2,n=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class rb extends qn{constructor(e=1){const t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],i=new Ye;i.setAttribute("position",new we(t,3)),i.setAttribute("color",new we(n,3));const s=new $t({vertexColors:!0,toneMapped:!1});super(i,s),this.type="AxesHelper"}setColors(e,t,n){const i=new ye,s=this.geometry.attributes.color.array;return i.set(e),i.toArray(s,0),i.toArray(s,3),i.set(t),i.toArray(s,6),i.toArray(s,9),i.set(n),i.toArray(s,12),i.toArray(s,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class ab{constructor(){this.type="ShapePath",this.color=new ye,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Nr,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,n,i){return this.currentPath.quadraticCurveTo(e,t,n,i),this}bezierCurveTo(e,t,n,i,s,a){return this.currentPath.bezierCurveTo(e,t,n,i,s,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e){function t(p){const x=[];for(let v=0,y=p.length;vNumber.EPSILON){if(A<0&&(S=x[b],M=-M,L=x[E],A=-A),p.yL.y)continue;if(p.y===S.y){if(p.x===S.x)return!0}else{const U=A*(p.x-S.x)-M*(p.y-S.y);if(U===0)return!0;if(U<0)continue;y=!y}}else{if(p.y!==S.y)continue;if(L.x<=p.x&&p.x<=S.x||S.x<=p.x&&p.x<=L.x)return!0}}return y}const i=kn.isClockWise,s=this.subPaths;if(s.length===0)return[];let a,o,l;const c=[];if(s.length===1)return o=s[0],l=new as,l.curves=o.curves,c.push(l),c;let h=!i(s[0].getPoints());h=e?!h:h;const u=[],f=[];let d=[],m=0,_;f[m]=void 0,d[m]=[];for(let p=0,x=s.length;p1){let p=!1,x=0;for(let v=0,y=f.length;v0&&p===!1&&(d=u)}let g;for(let p=0,x=f.length;p>>0,1):r.set(e,[]))},emit:function(e,t){var n=r.get(e);n&&n.slice().map(function(i){i(t)}),(n=r.get("*"))&&n.slice().map(function(i){i(e,t)})}}}class Si{constructor(){ft(this,"allVertices",{});ft(this,"isolatedVertices",{});ft(this,"connectedVertices",{});ft(this,"sortedConnectedValues",[]);ft(this,"needsSort",!1);ft(this,"emitter",lb());ft(this,"emit",this.emitter.emit.bind(this.emitter));ft(this,"on",this.emitter.on.bind(this.emitter));ft(this,"off",this.emitter.off.bind(this.emitter));ft(this,"getKey",e=>typeof e=="object"?e.key:e)}get sortedVertices(){return this.mapNodes(e=>e)}moveToIsolated(e){const t=this.connectedVertices[e];t&&(this.isolatedVertices[e]=t,delete this.connectedVertices[e])}moveToConnected(e){const t=this.isolatedVertices[e];t&&(this.connectedVertices[e]=t,delete this.isolatedVertices[e])}add(e,t,n){if(this.allVertices[e]&&this.allVertices[e].value!==void 0)throw new Error(`A node with the key ${e.toString()} already exists`);let i=this.allVertices[e];i?i.value===void 0&&(i.value=t):(i={value:t,previous:new Set,next:new Set},this.allVertices[e]=i);const s=i.next.size>0||i.previous.size>0;if(!(n!=null&&n.after)&&!(n!=null&&n.before)&&!s){this.isolatedVertices[e]=i,this.emit("node:added",{key:e,type:"isolated",value:t});return}else this.connectedVertices[e]=i;if(n!=null&&n.after){const a=Array.isArray(n.after)?n.after:[n.after];a.forEach(o=>{i.previous.add(this.getKey(o))}),a.forEach(o=>{const l=this.getKey(o),c=this.allVertices[l];c?(c.next.add(e),this.moveToConnected(l)):(this.allVertices[l]={value:void 0,previous:new Set,next:new Set([e])},this.connectedVertices[l]=this.allVertices[l])})}if(n!=null&&n.before){const a=Array.isArray(n.before)?n.before:[n.before];a.forEach(o=>{i.next.add(this.getKey(o))}),a.forEach(o=>{const l=this.getKey(o),c=this.allVertices[l];c?(c.previous.add(e),this.moveToConnected(l)):(this.allVertices[l]={value:void 0,previous:new Set([e]),next:new Set},this.connectedVertices[l]=this.allVertices[l])})}this.emit("node:added",{key:e,type:"connected",value:t}),this.needsSort=!0}remove(e){const t=this.getKey(e);if(this.isolatedVertices[t]){delete this.isolatedVertices[t],delete this.allVertices[t],this.emit("node:removed",{key:t,type:"isolated"});return}const i=this.connectedVertices[t];i&&(i.next.forEach(s=>{const a=this.connectedVertices[s];a&&(a.previous.delete(t),a.previous.size===0&&a.next.size===0&&this.moveToIsolated(s))}),i.previous.forEach(s=>{const a=this.connectedVertices[s];a&&(a.next.delete(t),a.previous.size===0&&a.next.size===0&&this.moveToIsolated(s))}),delete this.connectedVertices[t],delete this.allVertices[t],this.emit("node:removed",{key:t,type:"connected"}),this.needsSort=!0)}mapNodes(e){this.needsSort&&this.sort();const t=[];return this.forEachNode((n,i)=>{t.push(e(n,i))}),t}forEachNode(e){this.needsSort&&this.sort();let t=0;for(;t{const i=this.isolatedVertices[n];i.value!==void 0&&e(i.value,t++)})}getValueByKey(e){var t;return(t=this.allVertices[e])==null?void 0:t.value}getKeyByValue(e){return Reflect.ownKeys(this.connectedVertices).find(t=>this.connectedVertices[t].value===e)??Reflect.ownKeys(this.isolatedVertices).find(t=>this.isolatedVertices[t].value===e)}sort(){var a;const e=new Map,t=[],n=[],i=Reflect.ownKeys(this.connectedVertices).filter(o=>this.connectedVertices[o].value!==void 0);for(i.forEach(o=>{e.set(o,0)}),i.forEach(o=>{this.connectedVertices[o].next.forEach(c=>{this.connectedVertices[c]&&e.set(c,(e.get(c)||0)+1)})}),e.forEach((o,l)=>{o===0&&t.push(l)});t.length>0;){const o=t.shift();n.push(o);const l=i.find(c=>c===o);l&&((a=this.connectedVertices[l])==null||a.next.forEach(c=>{const h=(e.get(c)||0)-1;e.set(c,h),h===0&&t.push(c)}))}if(n.length!==i.length)throw new Error("The graph contains a cycle, and thus can not be sorted topologically.");const s=o=>o!==void 0;this.sortedConnectedValues=n.map(o=>this.connectedVertices[o].value).filter(s),this.needsSort=!1}clear(){this.allVertices={},this.isolatedVertices={},this.connectedVertices={},this.sortedConnectedValues=[],this.needsSort=!1}static isKey(e){return typeof e=="string"||typeof e=="symbol"}static isValue(e){return typeof e=="object"&&"key"in e}}class cb{constructor(e,t,n){ft(this,"key");ft(this,"stage");ft(this,"callback");ft(this,"runTask",!0);this.stage=e,this.key=t,this.callback=n}stop(){this.runTask=!1}start(){this.runTask=!0}run(e){this.runTask&&this.callback(e)}}class hb extends Si{constructor(t,n,i){super();ft(this,"key");ft(this,"scheduler");ft(this,"callback",(t,n)=>n());ft(this,"removeTask",this.remove.bind(this));this.scheduler=t,this.key=n,i&&(this.callback=i.bind(this))}get tasks(){return this.sortedVertices}createTask(t,n,i){const s=new cb(this,t,n);return this.add(t,s,i),s}getTask(t){return this.getValueByKey(t)}run(t){this.callback(t,n=>{this.forEachNode(i=>{i.run(n??t)})})}runWithTiming(t){const n={};return this.callback(t,i=>{this.forEachNode(s=>{const a=performance.now();s.run(i??t);const o=performance.now()-a;n[s.key]=o})}),n}getSchedule(){return this.mapNodes(t=>t.key.toString())}}class ub extends Si{constructor(t){super();ft(this,"lastTime",performance.now());ft(this,"clampDeltaTo",.1);ft(this,"removeStage",this.remove.bind(this));t!=null&&t.clampDeltaTo&&(this.clampDeltaTo=t.clampDeltaTo),this.run=this.run.bind(this)}get stages(){return this.sortedVertices}createStage(t,n){const i=new hb(this,t,n==null?void 0:n.callback);return this.add(t,i,{after:n==null?void 0:n.after,before:n==null?void 0:n.before}),i}getStage(t){return this.getValueByKey(t)}run(t){const n=t-this.lastTime;this.forEachNode(i=>{i.run(Math.min(n/1e3,this.clampDeltaTo))}),this.lastTime=t}runWithTiming(t){const n=t-this.lastTime,i={},s=performance.now();return this.forEachNode(a=>{const o=performance.now(),l=a.runWithTiming(Math.min(n/1e3,this.clampDeltaTo)),c=performance.now()-o;i[a.key.toString()]={duration:c,tasks:l}}),{total:performance.now()-s,stages:i}}getSchedule(t={tasks:!0}){return{stages:this.mapNodes(n=>{if(n===void 0)throw new Error("Stage not found");return{key:n.key.toString(),tasks:t.tasks?n.getSchedule():void 0}})}}dispose(){this.clear()}}const fb=Symbol("use-legacy-frame-compatibility-context"),db=()=>{const r={useFrameOrders:[],useRenderOrders:[]};return zn(fb,r),r},Tn=(r,e)=>{const t=Nn(r,s=>s);let n;const i=t.subscribe(async s=>{n&&n();const a=await e(s);a&&(n=a)});gn(()=>{i(),n&&n()})},En=r=>{const e=wt(r),t={set:n=>{t.current=n,e.set(n)},subscribe:e.subscribe,update:n=>{const i=n(t.current);t.current=i,e.set(i)},current:r};return t},yh=typeof window<"u",pb=()=>{const r=En({width:0,height:0});if(!yh)return{parentSize:r,parentSizeAction:()=>{}};const e={childList:!0,subtree:!1,attributes:!1};let t;const n=o=>{i.disconnect(),s.disconnect(),i.observe(o),s.observe(o,e)},i=new ResizeObserver(([o])=>{const{width:l,height:c}=o.contentRect;l===r.current.width&&c===r.current.height||r.set({width:l,height:c})}),s=new MutationObserver(o=>{for(const l of o)for(const c of l.removedNodes)if(t===c&&t.parentElement){n(t.parentElement);return}}),a=o=>{t=o;const l=t.parentElement;l&&(r.set({width:l.clientWidth,height:l.clientHeight}),n(l))};return gn(()=>{i.disconnect(),s.disconnect()}),{parentSize:r,parentSizeAction:a}};function mb(r,e){const t=wt(r);let n=r;const i=t.subscribe(o=>n=o);return gn(i),{...t,set:o=>{if((o==null?void 0:o.uuid)===(n==null?void 0:n.uuid))return;const l=n;t.set(o),e==null||e(o,l)},update:o=>{const l=o(n);if((l==null?void 0:l.uuid)===(n==null?void 0:n.uuid))return;const c=n;t.set(l),e==null||e(l,c)}}}const mi=()=>{const r=Vn("threlte");if(r===void 0)throw new Error("No Threlte context found, are you using this hook inside of ?");return r},qp=()=>Vn("threlte-hierarchical-parent-context");function gb(r){let e;const t=r[7].default,n=_n(t,r,r[6],null);return{c(){n&&n.c()},l(i){n&&n.l(i)},m(i,s){n&&n.m(i,s),e=!0},p(i,[s]){n&&n.p&&(!e||s&64)&&vn(n,t,i,i[6],e?yn(t,i[6],s,null):xn(i[6]),null)},i(i){e||(Pe(n,i),e=!0)},o(i){Be(n,i),e=!1},d(i){n&&n.d(i)}}}const _b=()=>({onChildMount:Vn("threlte-hierarchical-object-on-mount"),onChildDestroy:Vn("threlte-hierarchical-object-on-destroy")});function vb(r,e,t){var g;let n,{$$slots:i={},$$scope:s}=e,{object:a=void 0}=e,{onChildMount:o=void 0}=e;const l=p=>{o==null||o(p)};let{onChildDestroy:c=void 0}=e;const h=p=>{c==null||c(p)},{invalidate:u}=mi(),f=qp();Mt(r,f,p=>t(5,n=p));let{parent:d=n}=e;const m=_b();a&&((g=m.onChildMount)==null||g.call(m,a),u());const _=mb(a,(p,x)=>{var v,y;x&&((v=m.onChildDestroy)==null||v.call(m,x),u()),p&&((y=m.onChildMount)==null||y.call(m,p),u())});return gn(()=>{var 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xb({props:{object:r[0],onChildMount:r[2],onChildDestroy:r[3],$$slots:{default:[yb]},$$scope:{ctx:r}}}),{c(){mt(e.$$.fragment)},l(n){gt(e.$$.fragment,n)},m(n,i){_t(e,n,i),t=!0},p(n,[i]){const s={};i&1&&(s.object=n[0]),i&1&&(s.onChildMount=n[2]),i&1&&(s.onChildDestroy=n[3]),i&16&&(s.$$scope={dirty:i,ctx:n}),e.$set(s)},i(n){t||(Pe(e.$$.fragment,n),t=!0)},o(n){Be(e.$$.fragment,n),t=!1},d(n){vt(e,n)}}}function bb(r,e,t){let{$$slots:n={},$$scope:i}=e,{object:s}=e;const a=l=>s.add(l),o=l=>s.remove(l);return r.$$set=l=>{"object"in l&&t(0,s=l.object),"$$scope"in l&&t(4,i=l.$$scope)},[s,n,a,o,i]}class Yp extends fn{constructor(e){super(),dn(this,e,bb,Mb,Qt,{object:0})}}const Sb=()=>{zn("threlte-cache",[])},Zp=r=>r.userData,Eb=()=>{const r=new Nt(75,0,.1,1e3);return Zp(r).threlteDefaultCamera=!0,r.position.z=5,r.lookAt(0,0,0),r},Tb=r=>{Tn(r.size,e=>{Zp(cm(r.camera)).threlteDefaultCamera&&r.camera.update(t=>{const n=t;return 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if( useAlphaMap == 1. ) c.a *= texture2D( alphaMap, vUV ).r; + + if( useDash == 1. ){ + c.a *= ceil(mod(vCounters + dashOffset, dashArray) - (dashArray * dashRatio)); + } + + gl_FragColor = LinearTosRGB(c); +} +`,VS=` + ${Fe.logdepthbuf_pars_vertex} + ${Fe.fog_pars_vertex} + + attribute vec3 previous; + attribute vec3 next; + attribute float side; + attribute float width; + attribute float counters; + + uniform vec2 resolution; + uniform float lineWidth; + uniform vec3 color; + uniform float opacity; + uniform float sizeAttenuation; + uniform float scaleDown; + + varying vec2 vUV; + varying vec4 vColor; + varying float vCounters; + + vec2 intoScreen(vec4 i) { + return resolution * (0.5 * i.xy / i.w + 0.5); + } + + void main() { + float aspect = resolution.y / resolution.x; + + mat4 m = projectionMatrix * modelViewMatrix; + + vec4 currentClip = m * vec4( position, 1.0 ); + vec4 prevClip = m * vec4( previous, 1.0 ); + vec4 nextClip = m * vec4( next, 1.0 ); + + vec4 currentNormed = currentClip / currentClip.w; + vec4 prevNormed = prevClip / prevClip.w; + vec4 nextNormed = nextClip / nextClip.w; + + vec2 currentScreen = intoScreen(currentNormed); + vec2 prevScreen = intoScreen(prevNormed); + vec2 nextScreen = intoScreen(nextNormed); + + float actualWidth = lineWidth * width; + + vec2 dir; + if(nextScreen == currentScreen) { + dir = normalize( currentScreen - prevScreen ); + } else if(prevScreen == currentScreen) { + dir = normalize( nextScreen - currentScreen ); + } else { + vec2 inDir = currentScreen - prevScreen; + vec2 outDir = nextScreen - currentScreen; + vec2 fullDir = nextScreen - prevScreen; + + if(length(fullDir) > 0.0) { + dir = normalize(fullDir); + } else if(length(inDir) > 0.0){ + dir = normalize(inDir); + } else { + dir = normalize(outDir); + } + } + + vec2 normal = vec2(-dir.y, dir.x); + + if(sizeAttenuation != 0.0) { + normal /= currentClip.w; + normal *= min(resolution.x, resolution.y); + } + + if (scaleDown > 0.0) { + float dist = length(nextNormed - prevNormed); + normal *= smoothstep(0.0, scaleDown, dist); + } + + vec2 offsetInScreen = actualWidth * normal * side * 0.5; + + vec2 withOffsetScreen = currentScreen + offsetInScreen; + vec3 withOffsetNormed = vec3((2.0 * withOffsetScreen/resolution - 1.0), currentNormed.z); + + vCounters = counters; + vColor = vec4( color, opacity ); + vUV = uv; + + gl_Position = currentClip.w * vec4(withOffsetNormed, 1.0); + + ${Fe.logdepthbuf_vertex} + ${Fe.fog_vertex} + } +`,HS=r=>({ref:r&1}),Sf=r=>({ref:r[0]});function GS(r){let e;const t=r[15].default,n=_n(t,r,r[17],Sf);return{c(){n&&n.c()},l(i){n&&n.l(i)},m(i,s){n&&n.m(i,s),e=!0},p(i,s){n&&n.p&&(!e||s&131073)&&vn(n,t,i,i[17],e?yn(t,i[17],s,HS):xn(i[17]),Sf)},i(i){e||(Pe(n,i),e=!0)},o(i){Be(n,i),e=!1},d(i){n&&n.d(i)}}}function WS(r){let e,t;const n=[{is:r[0]},r[4],{fragmentShader:kS},{vertexShader:VS}];let i={$$slots:{default:[GS]},$$scope:{ctx:r}};for(let s=0;st(14,s=S));const y=new 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Lower stack +// depth gets higher performance. +// +// However not all trees are balanced. Best value to set this to +// is the trees max depth. +#ifndef BVH_STACK_DEPTH +#define BVH_STACK_DEPTH 60 +#endif + +#ifndef INFINITY +#define INFINITY 1e20 +#endif + +// Utilities +uvec4 uTexelFetch1D( usampler2D tex, uint index ) { + + uint width = uint( textureSize( tex, 0 ).x ); + uvec2 uv; + uv.x = index % width; + uv.y = index / width; + + return texelFetch( tex, ivec2( uv ), 0 ); + +} + +ivec4 iTexelFetch1D( isampler2D tex, uint index ) { + + uint width = uint( textureSize( tex, 0 ).x ); + uvec2 uv; + uv.x = index % width; + uv.y = index / width; + + return texelFetch( tex, ivec2( uv ), 0 ); + +} + +vec4 texelFetch1D( sampler2D tex, uint index ) { + + uint width = uint( textureSize( tex, 0 ).x ); + uvec2 uv; + uv.x = index % width; + uv.y = index / width; + + return texelFetch( tex, ivec2( uv ), 0 ); + +} + +vec4 textureSampleBarycoord( sampler2D tex, vec3 barycoord, uvec3 faceIndices ) { + + return + barycoord.x * texelFetch1D( tex, faceIndices.x ) + + barycoord.y * texelFetch1D( tex, faceIndices.y ) + + barycoord.z * texelFetch1D( tex, faceIndices.z ); + +} + +void ndcToCameraRay( + vec2 coord, mat4 cameraWorld, mat4 invProjectionMatrix, + out vec3 rayOrigin, out vec3 rayDirection +) { + + // get camera look direction and near plane for camera clipping + vec4 lookDirection = cameraWorld * vec4( 0.0, 0.0, - 1.0, 0.0 ); + vec4 nearVector = invProjectionMatrix * vec4( 0.0, 0.0, - 1.0, 1.0 ); + float near = abs( nearVector.z / nearVector.w ); + + // get the camera direction and position from camera matrices + vec4 origin = cameraWorld * vec4( 0.0, 0.0, 0.0, 1.0 ); + vec4 direction = invProjectionMatrix * vec4( coord, 0.5, 1.0 ); + direction /= direction.w; + direction = cameraWorld * direction - origin; + + // slide the origin along the ray until it sits at the near clip plane position + origin.xyz += direction.xyz * near / dot( direction, lookDirection ); + + rayOrigin = origin.xyz; + rayDirection = direction.xyz; + +} +`,ZS=` + +#ifndef TRI_INTERSECT_EPSILON +#define TRI_INTERSECT_EPSILON 1e-5 +#endif + +// Raycasting +bool intersectsBounds( vec3 rayOrigin, vec3 rayDirection, vec3 boundsMin, vec3 boundsMax, out float dist ) { + + // https://www.reddit.com/r/opengl/comments/8ntzz5/fast_glsl_ray_box_intersection/ + // https://tavianator.com/2011/ray_box.html + vec3 invDir = 1.0 / rayDirection; + + // find intersection distances for each plane + vec3 tMinPlane = invDir * ( boundsMin - rayOrigin ); + vec3 tMaxPlane = invDir * ( boundsMax - rayOrigin ); + + // get the min and max distances from each intersection + vec3 tMinHit = min( tMaxPlane, tMinPlane ); + vec3 tMaxHit = max( tMaxPlane, tMinPlane ); + + // get the furthest hit distance + vec2 t = max( tMinHit.xx, tMinHit.yz ); + float t0 = max( t.x, t.y ); + + // get the minimum hit distance + t = min( tMaxHit.xx, tMaxHit.yz ); + float t1 = min( t.x, t.y ); + + // set distance to 0.0 if the ray starts inside the box + dist = max( t0, 0.0 ); + + return t1 >= dist; + +} + +bool intersectsTriangle( + vec3 rayOrigin, vec3 rayDirection, vec3 a, vec3 b, vec3 c, + out vec3 barycoord, out vec3 norm, out float dist, out float side +) { + + // https://stackoverflow.com/questions/42740765/intersection-between-line-and-triangle-in-3d + vec3 edge1 = b - a; + vec3 edge2 = c - a; + norm = cross( edge1, edge2 ); + + float det = - dot( rayDirection, norm ); + float invdet = 1.0 / det; + + vec3 AO = rayOrigin - a; + vec3 DAO = cross( AO, rayDirection ); + + vec4 uvt; + uvt.x = dot( edge2, DAO ) * invdet; + uvt.y = - dot( edge1, DAO ) * invdet; + uvt.z = dot( AO, norm ) * invdet; + uvt.w = 1.0 - uvt.x - uvt.y; + + // set the hit information + barycoord = uvt.wxy; // arranged in A, B, C order + dist = uvt.z; + side = sign( det ); + norm = side * normalize( norm ); + + // add an epsilon to avoid misses between triangles + uvt += vec4( TRI_INTERSECT_EPSILON ); + + return all( greaterThanEqual( uvt, vec4( 0.0 ) ) ); + +} + +bool intersectTriangles( + // geometry info and triangle range + sampler2D positionAttr, usampler2D indexAttr, uint offset, uint count, + + // ray + vec3 rayOrigin, vec3 rayDirection, + + // outputs + inout float minDistance, inout uvec4 faceIndices, inout vec3 faceNormal, inout vec3 barycoord, + inout float side, inout float dist +) { + + bool found = false; + vec3 localBarycoord, localNormal; + float localDist, localSide; + for ( uint i = offset, l = offset + count; i < l; i ++ ) { + + uvec3 indices = uTexelFetch1D( indexAttr, i ).xyz; + vec3 a = texelFetch1D( positionAttr, indices.x ).rgb; + vec3 b = texelFetch1D( positionAttr, indices.y ).rgb; + vec3 c = texelFetch1D( positionAttr, indices.z ).rgb; + + if ( + intersectsTriangle( rayOrigin, rayDirection, a, b, c, localBarycoord, localNormal, localDist, localSide ) + && localDist < minDistance + ) { + + found = true; + minDistance = localDist; + + faceIndices = uvec4( indices.xyz, i ); + faceNormal = localNormal; + + side = localSide; + barycoord = localBarycoord; + dist = localDist; + + } + + } + + return found; + +} + +bool intersectsBVHNodeBounds( vec3 rayOrigin, vec3 rayDirection, sampler2D bvhBounds, uint currNodeIndex, out float dist ) { + + uint cni2 = currNodeIndex * 2u; + vec3 boundsMin = texelFetch1D( bvhBounds, cni2 ).xyz; + vec3 boundsMax = texelFetch1D( bvhBounds, cni2 + 1u ).xyz; + return intersectsBounds( rayOrigin, rayDirection, boundsMin, boundsMax, dist ); + +} + +// use a macro to hide the fact that we need to expand the struct into separate fields +#define bvhIntersectFirstHit( bvh, rayOrigin, rayDirection, faceIndices, faceNormal, barycoord, side, dist ) _bvhIntersectFirstHit( bvh.position, bvh.index, bvh.bvhBounds, bvh.bvhContents, rayOrigin, rayDirection, faceIndices, faceNormal, barycoord, side, dist ) + +bool _bvhIntersectFirstHit( + // bvh info + sampler2D bvh_position, usampler2D bvh_index, sampler2D bvh_bvhBounds, usampler2D bvh_bvhContents, + + // ray + vec3 rayOrigin, vec3 rayDirection, + + // output variables split into separate variables due to output precision + inout uvec4 faceIndices, inout vec3 faceNormal, inout vec3 barycoord, + inout float side, inout float dist +) { + + // stack needs to be twice as long as the deepest tree we expect because + // we push both the left and right child onto the stack every traversal + int ptr = 0; + uint stack[ BVH_STACK_DEPTH ]; + stack[ 0 ] = 0u; + + float triangleDistance = INFINITY; + bool found = false; + while ( ptr > - 1 && ptr < BVH_STACK_DEPTH ) { + + uint currNodeIndex = stack[ ptr ]; + ptr --; + + // check if we intersect the current bounds + float boundsHitDistance; + if ( + ! intersectsBVHNodeBounds( rayOrigin, rayDirection, bvh_bvhBounds, currNodeIndex, boundsHitDistance ) + || boundsHitDistance > triangleDistance + ) { + + continue; + + } + + uvec2 boundsInfo = uTexelFetch1D( bvh_bvhContents, currNodeIndex ).xy; + bool isLeaf = bool( boundsInfo.x & 0xffff0000u ); + + if ( isLeaf ) { + + uint count = boundsInfo.x & 0x0000ffffu; + uint offset = boundsInfo.y; + + found = intersectTriangles( + bvh_position, bvh_index, offset, count, + rayOrigin, rayDirection, triangleDistance, + faceIndices, faceNormal, barycoord, side, dist + ) || found; + + } else { + + uint leftIndex = currNodeIndex + 1u; + uint splitAxis = boundsInfo.x & 0x0000ffffu; + uint rightIndex = boundsInfo.y; + + bool leftToRight = rayDirection[ splitAxis ] >= 0.0; + uint c1 = leftToRight ? leftIndex : rightIndex; + uint c2 = leftToRight ? rightIndex : leftIndex; + + // set c2 in the stack so we traverse it later. We need to keep track of a pointer in + // the stack while we traverse. The second pointer added is the one that will be + // traversed first + ptr ++; + stack[ ptr ] = c2; + + ptr ++; + stack[ ptr ] = c1; + + } + + } + + return found; + +} +`,KS=` +struct BVH { + + usampler2D index; + sampler2D position; + + sampler2D bvhBounds; + usampler2D bvhContents; + +}; +`,JS=KS,jS=` + ${YS} + ${ZS} +`;`${JS}${jS}${Fe.tonemapping_fragment}${Fe.colorspace_fragment}`;function QS(r){let e,t,n,i;return e=new zS({props:{points:r[0]}}),n=new qS({props:{width:3,attenuate:!1,color:16711680}}),{c(){mt(e.$$.fragment),t=ai(),mt(n.$$.fragment)},l(s){gt(e.$$.fragment,s),t=oi(s),gt(n.$$.fragment,s)},m(s,a){_t(e,s,a),Rt(s,t,a),_t(n,s,a),i=!0},p(s,a){const o={};a&1&&(o.points=s[0]),e.$set(o)},i(s){i||(Pe(e.$$.fragment,s),Pe(n.$$.fragment,s),i=!0)},o(s){Be(e.$$.fragment,s),Be(n.$$.fragment,s),i=!1},d(s){s&&at(t),vt(e,s),vt(n,s)}}}function $S(r){let e,t;return e=new Wn.Mesh({props:{$$slots:{default:[QS]},$$scope:{ctx:r}}}),{c(){mt(e.$$.fragment)},l(n){gt(e.$$.fragment,n)},m(n,i){_t(e,n,i),t=!0},p(n,[i]){const s={};i&1025&&(s.$$scope={dirty:i,ctx:n}),e.$set(s)},i(n){t||(Pe(e.$$.fragment,n),t=!0)},o(n){Be(e.$$.fragment,n),t=!1},d(n){vt(e,n)}}}function eE(r,e,t){let{from:n}=e,{to:i}=e,s=20;const a=new Uo(new q(n.position.x+10,n.position.y),new q(n.position.x+2,n.position.y),new q(i.position.x-2,i.position.y),new q(i.position.x,i.position.y));let o=[],l=0,c=0;function h(u=!1){if(!u){const f=n.position.x+i.position.x,d=n.position.y+i.position.y;if(l===f&&c===d)return;l=f,c=d}a.v0.set(n.position.x+2.5,n.position.y),a.v1.set(n.position.x+4,n.position.y),a.v2.set(i.position.x-4,i.position.y),a.v3.set(i.position.x-2.5,i.position.y),t(0,o=a.getPoints(s).map(f=>new C(f.x,0,f.y)))}return h(),r.$$set=u=>{"from"in u&&t(1,n=u.from),"to"in u&&t(2,i=u.to)},r.$$.update=()=>{r.$$.dirty&6&&(n.position||i.position)&&h()},[o,n,i]}class tE extends fn{constructor(e){super(),dn(this,e,eE,$S,Qt,{from:1,to:2})}}const Ef=wt({useHtml:!1}),{Boolean:nE,window:Vl}=gm;function Tf(r,e,t){const n=r.slice();return n[19]=e[t],n}function wf(r,e,t){const n=r.slice();return n[22]=e[t],n}function iE(r){let e,t;return e=new Wn.Group({props:{"position.x":r[3],"position.z":r[4],$$slots:{default:[rE]},$$scope:{ctx:r}}}),{c(){mt(e.$$.fragment)},l(n){gt(e.$$.fragment,n)},m(n,i){_t(e,n,i),t=!0},p(n,i){const s={};i&8&&(s["position.x"]=n[3]),i&16&&(s["position.z"]=n[4]),i&33554432&&(s.$$scope={dirty:i,ctx:n}),e.$set(s)},i(n){t||(Pe(e.$$.fragment,n),t=!0)},o(n){Be(e.$$.fragment,n),t=!1},d(n){vt(e,n)}}}function sE(r){let e,t,n,i;return e=new Wn.CircleGeometry({props:{args:[.5,16]}}),n=new Wn.MeshBasicMaterial({props:{color:"green"}}),{c(){mt(e.$$.fragment),t=ai(),mt(n.$$.fragment)},l(s){gt(e.$$.fragment,s),t=oi(s),gt(n.$$.fragment,s)},m(s,a){_t(e,s,a),Rt(s,t,a),_t(n,s,a),i=!0},p:go,i(s){i||(Pe(e.$$.fragment,s),Pe(n.$$.fragment,s),i=!0)},o(s){Be(e.$$.fragment,s),Be(n.$$.fragment,s),i=!1},d(s){s&&at(t),vt(e,s),vt(n,s)}}}function rE(r){let e,t;return e=new Wn.Mesh({props:{"rotation.x":-Math.PI/2,"position.y":.2,$$slots:{default:[sE]},$$scope:{ctx:r}}}),{c(){mt(e.$$.fragment)},l(n){gt(e.$$.fragment,n)},m(n,i){_t(e,n,i),t=!0},p(n,i){const s={};i&33554432&&(s.$$scope={dirty:i,ctx:n}),e.$set(s)},i(n){t||(Pe(e.$$.fragment,n),t=!0)},o(n){Be(e.$$.fragment,n),t=!1},d(n){vt(e,n)}}}function aE(r){let e,t;return e=new DS({props:{enableZoom:!0,"target.y":0,rotateSpeed:0,minPolarAngle:0,maxPolarAngle:0,enablePan:!0,zoomToCursor:!0,maxZoom:150,minZoom:4}}),{c(){mt(e.$$.fragment)},l(n){gt(e.$$.fragment,n)},m(n,i){_t(e,n,i),t=!0},p:go,i(n){t||(Pe(e.$$.fragment,n),t=!0)},o(n){Be(e.$$.fragment,n),t=!1},d(n){vt(e,n)}}}function Af(r){let e,t;return e=new tE({props:{from:r[22][0],to:r[22][1]}}),{c(){mt(e.$$.fragment)},l(n){gt(e.$$.fragment,n)},m(n,i){_t(e,n,i),t=!0},p(n,i){const s={};i&32&&(s.from=n[22][0]),i&32&&(s.to=n[22][1]),e.$set(s)},i(n){t||(Pe(e.$$.fragment,n),t=!0)},o(n){Be(e.$$.fragment,n),t=!1},d(n){vt(e,n)}}}function Cf(r){let e,t=r[19].id+"",n,i,s,a;return{c(){e=ii("div"),n=Lf(t),i=ai(),this.h()},l(o){e=si(o,"DIV",{class:!0,"data-node-id":!0,style:!0});var l=ri(e);n=If(l,t),i=oi(l),l.forEach(at),this.h()},h(){kt(e,"class","node svelte-1hhwi3t"),kt(e,"data-node-id",s=r[19].id),kt(e,"style",a=`--nx:${r[19].position.x*10-25}px; 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diff --git a/frontend/.svelte-kit/output/client/_app/version.json b/frontend/.svelte-kit/output/client/_app/version.json new file mode 100644 index 0000000..271a8d4 --- /dev/null +++ b/frontend/.svelte-kit/output/client/_app/version.json @@ -0,0 +1 @@ +{"version":"1708965170440"} \ No newline at end of file diff --git a/frontend/.svelte-kit/output/client/svelte.svg b/frontend/.svelte-kit/output/client/svelte.svg new file mode 100644 index 0000000..c5e0848 --- /dev/null +++ b/frontend/.svelte-kit/output/client/svelte.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/frontend/.svelte-kit/output/client/tauri.svg b/frontend/.svelte-kit/output/client/tauri.svg new file mode 100644 index 0000000..31b62c9 --- /dev/null +++ b/frontend/.svelte-kit/output/client/tauri.svg @@ -0,0 +1,6 @@ + + + + + + diff --git a/frontend/.svelte-kit/output/client/vite.svg b/frontend/.svelte-kit/output/client/vite.svg new file mode 100644 index 0000000..e7b8dfb --- /dev/null +++ b/frontend/.svelte-kit/output/client/vite.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/frontend/.svelte-kit/output/prerendered/dependencies/_app/env.js b/frontend/.svelte-kit/output/prerendered/dependencies/_app/env.js new file mode 100644 index 0000000..f5427da --- /dev/null +++ b/frontend/.svelte-kit/output/prerendered/dependencies/_app/env.js @@ -0,0 +1 @@ +export const env={} \ No newline at end of file diff --git a/frontend/.svelte-kit/output/prerendered/pages/index.html b/frontend/.svelte-kit/output/prerendered/pages/index.html new file mode 100644 index 0000000..6ea0025 --- /dev/null +++ b/frontend/.svelte-kit/output/prerendered/pages/index.html @@ -0,0 +1,35 @@ + + + + + + + + + + + + + + + +
+ +
+ + diff --git a/frontend/.svelte-kit/output/server/.vite/manifest.json b/frontend/.svelte-kit/output/server/.vite/manifest.json new file mode 100644 index 0000000..3def101 --- /dev/null +++ b/frontend/.svelte-kit/output/server/.vite/manifest.json @@ -0,0 +1,72 @@ +{ + "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/error.svelte": { + "file": "entries/fallbacks/error.svelte.js", + "src": "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/error.svelte", + "isEntry": true, + "imports": [ + "_ssr.js", + "_exports.js" + ] + }, + "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/layout.svelte": { + "file": "entries/fallbacks/layout.svelte.js", + "src": "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/components/layout.svelte", + "isEntry": true, + "imports": [ + "_ssr.js" + ] + }, + "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/server/index.js": { + "file": "index.js", + "src": "../node_modules/.pnpm/@sveltejs+kit@2.5.2_@sveltejs+vite-plugin-svelte@3.0.2_svelte@4.2.12_vite@5.1.4/node_modules/@sveltejs/kit/src/runtime/server/index.js", + "isEntry": true, + "imports": [ + "_internal.js", + "_exports.js", + "_index.js" + ] + }, + ".svelte-kit/generated/server/internal.js": { + "file": "internal.js", + "src": ".svelte-kit/generated/server/internal.js", + "isEntry": true, + "imports": [ + "_internal.js" + ] + }, + "_exports.js": { + "file": "chunks/exports.js" + }, + "_index.js": { + "file": "chunks/index.js", + "imports": [ + "_ssr.js" + ] + }, + "_internal.js": { + "file": "chunks/internal.js", + "imports": [ + "_ssr.js" + ] + }, + "_ssr.js": { + "file": "chunks/ssr.js" + }, + "src/routes/+layout.ts": { + "file": "entries/pages/_layout.ts.js", + "src": "src/routes/+layout.ts", + "isEntry": true + }, + "src/routes/+page.svelte": { + "file": "entries/pages/_page.svelte.js", + "src": "src/routes/+page.svelte", + "isEntry": true, + "imports": [ + "_ssr.js", + "_index.js" + ], + "css": [ + "_app/immutable/assets/_page.CkmNU14M.css" + ] + } +} \ No newline at end of file diff --git a/frontend/.svelte-kit/output/server/_app/immutable/assets/_page.CkmNU14M.css b/frontend/.svelte-kit/output/server/_app/immutable/assets/_page.CkmNU14M.css new file mode 100644 index 0000000..79fad64 --- /dev/null +++ b/frontend/.svelte-kit/output/server/_app/immutable/assets/_page.CkmNU14M.css @@ -0,0 +1 @@ +canvas.svelte-o3oskp{display:block}body{overflow:hidden}.wrapper.svelte-1hhwi3t{position:absolute;z-index:100;width:0px;height:0px;transform:scale(calc(var(--cz) * .1))}.node.svelte-1hhwi3t:hover{background:red}.node.svelte-1hhwi3t{position:absolute;border-radius:2px;user-select:none!important;-webkit-user-select:none;cursor:pointer;width:50px;height:20px;background:green;transform:translate(var(--nx),var(--ny))}div.svelte-1mpqyj7{height:100vh}body{margin:0;position:relative;width:100vw;height:100vh;background:#0d1320;background:linear-gradient(180deg,#0d1320,#080c15)} diff --git a/frontend/.svelte-kit/output/server/chunks/exports.js b/frontend/.svelte-kit/output/server/chunks/exports.js new file mode 100644 index 0000000..61bd275 --- /dev/null +++ b/frontend/.svelte-kit/output/server/chunks/exports.js @@ -0,0 +1,200 @@ +const internal = new URL("sveltekit-internal://"); +function resolve(base, path) { + if (path[0] === "/" && path[1] === "/") + return path; + let url = new URL(base, internal); + url = new URL(path, url); + return url.protocol === internal.protocol ? url.pathname + url.search + url.hash : url.href; +} +function normalize_path(path, trailing_slash) { + if (path === "/" || trailing_slash === "ignore") + return path; + if (trailing_slash === "never") { + return path.endsWith("/") ? path.slice(0, -1) : path; + } else if (trailing_slash === "always" && !path.endsWith("/")) { + return path + "/"; + } + return path; +} +function decode_pathname(pathname) { + return pathname.split("%25").map(decodeURI).join("%25"); +} +function decode_params(params) { + for (const key in params) { + params[key] = decodeURIComponent(params[key]); + } + return params; +} +const tracked_url_properties = ( + /** @type {const} */ + [ + "href", + "pathname", + "search", + "toString", + "toJSON" + ] +); +function make_trackable(url, callback, search_params_callback) { + const tracked = new URL(url); + Object.defineProperty(tracked, "searchParams", { + value: new Proxy(tracked.searchParams, { + get(obj, key) { + if (key === "get" || key === "getAll" || key === "has") { + return (param) => { + search_params_callback(param); + return obj[key](param); + }; + } + callback(); + const value = Reflect.get(obj, key); + return typeof value === "function" ? value.bind(obj) : value; + } + }), + enumerable: true, + configurable: true + }); + for (const property of tracked_url_properties) { + Object.defineProperty(tracked, property, { + get() { + callback(); + return url[property]; + }, + enumerable: true, + configurable: true + }); + } + { + tracked[Symbol.for("nodejs.util.inspect.custom")] = (depth, opts, inspect) => { + return inspect(url, opts); + }; + } + { + disable_hash(tracked); + } + return tracked; +} +function disable_hash(url) { + allow_nodejs_console_log(url); + Object.defineProperty(url, "hash", { + get() { + throw new Error( + "Cannot access event.url.hash. Consider using `$page.url.hash` inside a component instead" + ); + } + }); +} +function disable_search(url) { + allow_nodejs_console_log(url); + for (const property of ["search", "searchParams"]) { + Object.defineProperty(url, property, { + get() { + throw new Error(`Cannot access url.${property} on a page with prerendering enabled`); + } + }); + } +} +function allow_nodejs_console_log(url) { + { + url[Symbol.for("nodejs.util.inspect.custom")] = (depth, opts, inspect) => { + return inspect(new URL(url), opts); + }; + } +} +const DATA_SUFFIX = "/__data.json"; +const HTML_DATA_SUFFIX = ".html__data.json"; +function has_data_suffix(pathname) { + return pathname.endsWith(DATA_SUFFIX) || pathname.endsWith(HTML_DATA_SUFFIX); +} +function add_data_suffix(pathname) { + if (pathname.endsWith(".html")) + return pathname.replace(/\.html$/, HTML_DATA_SUFFIX); + return pathname.replace(/\/$/, "") + DATA_SUFFIX; +} +function strip_data_suffix(pathname) { + if (pathname.endsWith(HTML_DATA_SUFFIX)) { + return pathname.slice(0, -HTML_DATA_SUFFIX.length) + ".html"; + } + return pathname.slice(0, -DATA_SUFFIX.length); +} +function validator(expected) { + function validate(module, file) { + if (!module) + return; + for (const key in module) { + if (key[0] === "_" || expected.has(key)) + continue; + const values = [...expected.values()]; + const hint = hint_for_supported_files(key, file?.slice(file.lastIndexOf("."))) ?? `valid exports are ${values.join(", ")}, or anything with a '_' prefix`; + throw new Error(`Invalid export '${key}'${file ? ` in ${file}` : ""} (${hint})`); + } + } + return validate; +} +function hint_for_supported_files(key, ext = ".js") { + const supported_files = []; + if (valid_layout_exports.has(key)) { + supported_files.push(`+layout${ext}`); + } + if (valid_page_exports.has(key)) { + supported_files.push(`+page${ext}`); + } + if (valid_layout_server_exports.has(key)) { + supported_files.push(`+layout.server${ext}`); + } + if (valid_page_server_exports.has(key)) { + supported_files.push(`+page.server${ext}`); + } + if (valid_server_exports.has(key)) { + supported_files.push(`+server${ext}`); + } + if (supported_files.length > 0) { + return `'${key}' is a valid export in ${supported_files.slice(0, -1).join(", ")}${supported_files.length > 1 ? " or " : ""}${supported_files.at(-1)}`; + } +} +const valid_layout_exports = /* @__PURE__ */ new Set([ + "load", + "prerender", + "csr", + "ssr", + "trailingSlash", + "config" +]); +const valid_page_exports = /* @__PURE__ */ new Set([...valid_layout_exports, "entries"]); +const valid_layout_server_exports = /* @__PURE__ */ new Set([...valid_layout_exports]); +const valid_page_server_exports = /* @__PURE__ */ new Set([...valid_layout_server_exports, "actions", "entries"]); +const valid_server_exports = /* @__PURE__ */ new Set([ + "GET", + "POST", + "PATCH", + "PUT", + "DELETE", + "OPTIONS", + "HEAD", + "fallback", + "prerender", + "trailingSlash", + "config", + "entries" +]); +const validate_layout_exports = validator(valid_layout_exports); +const validate_page_exports = validator(valid_page_exports); +const validate_layout_server_exports = validator(valid_layout_server_exports); +const validate_page_server_exports = validator(valid_page_server_exports); +const validate_server_exports = validator(valid_server_exports); +export { + add_data_suffix as a, + decode_pathname as b, + decode_params as c, + disable_search as d, + validate_layout_exports as e, + validate_page_server_exports as f, + validate_page_exports as g, + has_data_suffix as h, + validate_server_exports as i, + make_trackable as m, + normalize_path as n, + resolve as r, + strip_data_suffix as s, + validate_layout_server_exports as v +}; diff --git a/frontend/.svelte-kit/output/server/chunks/index.js b/frontend/.svelte-kit/output/server/chunks/index.js new file mode 100644 index 0000000..62c8c9e --- /dev/null +++ b/frontend/.svelte-kit/output/server/chunks/index.js @@ -0,0 +1,101 @@ +import { n as noop, l as safe_not_equal, a as subscribe, r as run_all, p as is_function } from "./ssr.js"; +const subscriber_queue = []; +function readable(value, start) { + return { + subscribe: writable(value, start).subscribe + }; +} +function writable(value, start = noop) { + let stop; + const subscribers = /* @__PURE__ */ new Set(); + function set(new_value) { + if (safe_not_equal(value, new_value)) { + value = new_value; + if (stop) { + const run_queue = !subscriber_queue.length; + for (const subscriber of subscribers) { + subscriber[1](); + subscriber_queue.push(subscriber, value); + } + if (run_queue) { + for (let i = 0; i < subscriber_queue.length; i += 2) { + subscriber_queue[i][0](subscriber_queue[i + 1]); + } + subscriber_queue.length = 0; + } + } + } + } + function update(fn) { + set(fn(value)); + } + function subscribe2(run, invalidate = noop) { + const subscriber = [run, invalidate]; + subscribers.add(subscriber); + if (subscribers.size === 1) { + stop = start(set, update) || noop; + } + run(value); + return () => { + subscribers.delete(subscriber); + if (subscribers.size === 0 && stop) { + stop(); + stop = null; + } + }; + } + return { set, update, subscribe: subscribe2 }; +} +function derived(stores, fn, initial_value) { + const single = !Array.isArray(stores); + const stores_array = single ? [stores] : stores; + if (!stores_array.every(Boolean)) { + throw new Error("derived() expects stores as input, got a falsy value"); + } + const auto = fn.length < 2; + return readable(initial_value, (set, update) => { + let started = false; + const values = []; + let pending = 0; + let cleanup = noop; + const sync = () => { + if (pending) { + return; + } + cleanup(); + const result = fn(single ? values[0] : values, set, update); + if (auto) { + set(result); + } else { + cleanup = is_function(result) ? result : noop; + } + }; + const unsubscribers = stores_array.map( + (store, i) => subscribe( + store, + (value) => { + values[i] = value; + pending &= ~(1 << i); + if (started) { + sync(); + } + }, + () => { + pending |= 1 << i; + } + ) + ); + started = true; + sync(); + return function stop() { + run_all(unsubscribers); + cleanup(); + started = false; + }; + }); +} +export { + derived as d, + readable as r, + writable as w +}; diff --git a/frontend/.svelte-kit/output/server/chunks/internal.js b/frontend/.svelte-kit/output/server/chunks/internal.js new file mode 100644 index 0000000..8cf3f30 --- /dev/null +++ b/frontend/.svelte-kit/output/server/chunks/internal.js @@ -0,0 +1,220 @@ +import { c as create_ssr_component, s as setContext, v as validate_component, m as missing_component } from "./ssr.js"; +let base = ""; +let assets = base; +const initial = { base, assets }; +function override(paths) { + base = paths.base; + assets = paths.assets; +} +function reset() { + base = initial.base; + assets = initial.assets; +} +function set_assets(path) { + assets = initial.assets = path; +} +let public_env = {}; +let safe_public_env = {}; +function set_private_env(environment) { +} +function set_public_env(environment) { + public_env = environment; +} +function set_safe_public_env(environment) { + safe_public_env = environment; +} +function afterUpdate() { +} +let prerendering = false; +function set_building() { +} +function set_prerendering() { + prerendering = true; +} +const Root = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let { stores } = $$props; + let { page } = $$props; + let { constructors } = $$props; + let { components = [] } = $$props; + let { form } = $$props; + let { data_0 = null } = $$props; + let { data_1 = null } = $$props; + { + setContext("__svelte__", stores); + } + afterUpdate(stores.page.notify); + if ($$props.stores === void 0 && $$bindings.stores && stores !== void 0) + $$bindings.stores(stores); + if ($$props.page === void 0 && $$bindings.page && page !== void 0) + $$bindings.page(page); + if ($$props.constructors === void 0 && $$bindings.constructors && constructors !== void 0) + $$bindings.constructors(constructors); + if ($$props.components === void 0 && $$bindings.components && components !== void 0) + $$bindings.components(components); + if ($$props.form === void 0 && $$bindings.form && form !== void 0) + $$bindings.form(form); + if ($$props.data_0 === void 0 && $$bindings.data_0 && data_0 !== void 0) + $$bindings.data_0(data_0); + if ($$props.data_1 === void 0 && $$bindings.data_1 && data_1 !== void 0) + $$bindings.data_1(data_1); + let $$settled; + let $$rendered; + let previous_head = $$result.head; + do { + $$settled = true; + $$result.head = previous_head; + { + stores.page.set(page); + } + $$rendered = ` ${constructors[1] ? `${validate_component(constructors[0] || missing_component, "svelte:component").$$render( + $$result, + { data: data_0, this: components[0] }, + { + this: ($$value) => { + components[0] = $$value; + $$settled = false; + } + }, + { + default: () => { + return `${validate_component(constructors[1] || missing_component, "svelte:component").$$render( + $$result, + { data: data_1, form, this: components[1] }, + { + this: ($$value) => { + components[1] = $$value; + $$settled = false; + } + }, + {} + )}`; + } + } + )}` : `${validate_component(constructors[0] || missing_component, "svelte:component").$$render( + $$result, + { data: data_0, form, this: components[0] }, + { + this: ($$value) => { + components[0] = $$value; + $$settled = false; + } + }, + {} + )}`} ${``}`; + } while (!$$settled); + return $$rendered; +}); +function set_read_implementation(fn) { +} +function set_manifest(_) { +} +const options = { + app_dir: "_app", + app_template_contains_nonce: false, + csp: { "mode": "auto", "directives": { "upgrade-insecure-requests": false, "block-all-mixed-content": false }, "reportOnly": { "upgrade-insecure-requests": false, "block-all-mixed-content": false } }, + csrf_check_origin: true, + embedded: false, + env_public_prefix: "PUBLIC_", + env_private_prefix: "", + hooks: null, + // added lazily, via `get_hooks` + preload_strategy: "modulepreload", + root: Root, + service_worker: false, + templates: { + app: ({ head, body, assets: assets2, nonce, env }) => '\n\n \n \n \n \n ' + head + '\n \n \n
' + body + "
\n \n\n", + error: ({ status, message }) => '\n\n \n \n ' + message + ` + + + + +
+ ` + status + '\n
\n

' + message + "

\n
\n
\n \n\n" + }, + version_hash: "tics2f" +}; +async function get_hooks() { + return {}; +} +export { + assets as a, + base as b, + options as c, + set_private_env as d, + prerendering as e, + set_public_env as f, + get_hooks as g, + set_safe_public_env as h, + set_assets as i, + set_building as j, + set_manifest as k, + set_prerendering as l, + set_read_implementation as m, + override as o, + public_env as p, + reset as r, + safe_public_env as s +}; diff --git a/frontend/.svelte-kit/output/server/chunks/ssr.js b/frontend/.svelte-kit/output/server/chunks/ssr.js new file mode 100644 index 0000000..caf6559 --- /dev/null +++ b/frontend/.svelte-kit/output/server/chunks/ssr.js @@ -0,0 +1,163 @@ +function noop() { +} +function run(fn) { + return fn(); +} +function blank_object() { + return /* @__PURE__ */ Object.create(null); +} +function run_all(fns) { + fns.forEach(run); +} +function is_function(thing) { + return typeof thing === "function"; +} +function safe_not_equal(a, b) { + return a != a ? b == b : a !== b || a && typeof a === "object" || typeof a === "function"; +} +function subscribe(store, ...callbacks) { + if (store == null) { + for (const callback of callbacks) { + callback(void 0); + } + return noop; + } + const unsub = store.subscribe(...callbacks); + return unsub.unsubscribe ? () => unsub.unsubscribe() : unsub; +} +function get_store_value(store) { + let value; + subscribe(store, (_) => value = _)(); + return value; +} +function compute_rest_props(props, keys) { + const rest = {}; + keys = new Set(keys); + for (const k in props) + if (!keys.has(k) && k[0] !== "$") + rest[k] = props[k]; + return rest; +} +let current_component; +function set_current_component(component) { + current_component = component; +} +function get_current_component() { + if (!current_component) + throw new Error("Function called outside component initialization"); + return current_component; +} +function onDestroy(fn) { + get_current_component().$$.on_destroy.push(fn); +} +function setContext(key, context) { + get_current_component().$$.context.set(key, context); + return context; +} +function getContext(key) { + return get_current_component().$$.context.get(key); +} +function ensure_array_like(array_like_or_iterator) { + return array_like_or_iterator?.length !== void 0 ? array_like_or_iterator : Array.from(array_like_or_iterator); +} +const ATTR_REGEX = /[&"]/g; +const CONTENT_REGEX = /[&<]/g; +function escape(value, is_attr = false) { + const str = String(value); + const pattern = is_attr ? ATTR_REGEX : CONTENT_REGEX; + pattern.lastIndex = 0; + let escaped = ""; + let last = 0; + while (pattern.test(str)) { + const i = pattern.lastIndex - 1; + const ch = str[i]; + escaped += str.substring(last, i) + (ch === "&" ? "&" : ch === '"' ? """ : "<"); + last = i + 1; + } + return escaped + str.substring(last); +} +function each(items, fn) { + items = ensure_array_like(items); + let str = ""; + for (let i = 0; i < items.length; i += 1) { + str += fn(items[i], i); + } + return str; +} +const missing_component = { + $$render: () => "" +}; +function validate_component(component, name) { + if (!component || !component.$$render) { + if (name === "svelte:component") + name += " this={...}"; + throw new Error( + `<${name}> is not a valid SSR component. You may need to review your build config to ensure that dependencies are compiled, rather than imported as pre-compiled modules. Otherwise you may need to fix a <${name}>.` + ); + } + return component; +} +let on_destroy; +function create_ssr_component(fn) { + function $$render(result, props, bindings, slots, context) { + const parent_component = current_component; + const $$ = { + on_destroy, + context: new Map(context || (parent_component ? parent_component.$$.context : [])), + // these will be immediately discarded + on_mount: [], + before_update: [], + after_update: [], + callbacks: blank_object() + }; + set_current_component({ $$ }); + const html = fn(result, props, bindings, slots); + set_current_component(parent_component); + return html; + } + return { + render: (props = {}, { $$slots = {}, context = /* @__PURE__ */ new Map() } = {}) => { + on_destroy = []; + const result = { title: "", head: "", css: /* @__PURE__ */ new Set() }; + const html = $$render(result, props, {}, $$slots, context); + run_all(on_destroy); + return { + html, + css: { + code: Array.from(result.css).map((css) => css.code).join("\n"), + map: null + // TODO + }, + head: result.title + result.head + }; + }, + $$render + }; +} +function add_attribute(name, value, boolean) { + if (value == null || boolean && !value) + return ""; + const assignment = boolean && value === true ? "" : `="${escape(value, true)}"`; + return ` ${name}${assignment}`; +} +export { + subscribe as a, + set_current_component as b, + create_ssr_component as c, + current_component as d, + escape as e, + get_store_value as f, + getContext as g, + add_attribute as h, + get_current_component as i, + compute_rest_props as j, + each as k, + safe_not_equal as l, + missing_component as m, + noop as n, + onDestroy as o, + is_function as p, + run_all as r, + setContext as s, + validate_component as v +}; diff --git a/frontend/.svelte-kit/output/server/entries/fallbacks/error.svelte.js b/frontend/.svelte-kit/output/server/entries/fallbacks/error.svelte.js new file mode 100644 index 0000000..7da7197 --- /dev/null +++ b/frontend/.svelte-kit/output/server/entries/fallbacks/error.svelte.js @@ -0,0 +1,42 @@ +import { g as getContext, c as create_ssr_component, a as subscribe, e as escape } from "../../chunks/ssr.js"; +import "../../chunks/exports.js"; +function get(key, parse = JSON.parse) { + try { + return parse(sessionStorage[key]); + } catch { + } +} +const SNAPSHOT_KEY = "sveltekit:snapshot"; +const SCROLL_KEY = "sveltekit:scroll"; +get(SCROLL_KEY) ?? {}; +get(SNAPSHOT_KEY) ?? {}; +const getStores = () => { + const stores = getContext("__svelte__"); + return { + /** @type {typeof page} */ + page: { + subscribe: stores.page.subscribe + }, + /** @type {typeof navigating} */ + navigating: { + subscribe: stores.navigating.subscribe + }, + /** @type {typeof updated} */ + updated: stores.updated + }; +}; +const page = { + subscribe(fn) { + const store = getStores().page; + return store.subscribe(fn); + } +}; +const Error$1 = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $page, $$unsubscribe_page; + $$unsubscribe_page = subscribe(page, (value) => $page = value); + $$unsubscribe_page(); + return `

${escape($page.status)}

${escape($page.error?.message)}

`; +}); +export { + Error$1 as default +}; diff --git a/frontend/.svelte-kit/output/server/entries/fallbacks/layout.svelte.js b/frontend/.svelte-kit/output/server/entries/fallbacks/layout.svelte.js new file mode 100644 index 0000000..f5f39bc --- /dev/null +++ b/frontend/.svelte-kit/output/server/entries/fallbacks/layout.svelte.js @@ -0,0 +1,7 @@ +import { c as create_ssr_component } from "../../chunks/ssr.js"; +const Layout = create_ssr_component(($$result, $$props, $$bindings, slots) => { + return `${slots.default ? slots.default({}) : ``}`; +}); +export { + Layout as default +}; diff --git a/frontend/.svelte-kit/output/server/entries/pages/_layout.ts.js b/frontend/.svelte-kit/output/server/entries/pages/_layout.ts.js new file mode 100644 index 0000000..687a1d6 --- /dev/null +++ b/frontend/.svelte-kit/output/server/entries/pages/_layout.ts.js @@ -0,0 +1,6 @@ +const prerender = true; +const ssr = false; +export { + prerender, + ssr +}; diff --git a/frontend/.svelte-kit/output/server/entries/pages/_page.svelte.js b/frontend/.svelte-kit/output/server/entries/pages/_page.svelte.js new file mode 100644 index 0000000..c66d3a1 --- /dev/null +++ b/frontend/.svelte-kit/output/server/entries/pages/_page.svelte.js @@ -0,0 +1,35280 @@ +import { b as set_current_component, r as run_all, d as current_component, s as setContext, o as onDestroy, g as getContext, c as create_ssr_component, a as subscribe, v as validate_component, f as get_store_value, h as add_attribute, i as get_current_component, j as compute_rest_props, k as each, e as escape$1 } from "../../chunks/ssr.js"; +import { d as derived, w as writable, r as readable } from "../../chunks/index.js"; +import "@tauri-apps/api/core"; +const dirty_components = []; +const binding_callbacks = []; +let render_callbacks = []; +const flush_callbacks = []; +const resolved_promise = /* @__PURE__ */ Promise.resolve(); +let update_scheduled = false; +function schedule_update() { + if (!update_scheduled) { + update_scheduled = true; + resolved_promise.then(flush); + } +} +function tick() { + schedule_update(); + return resolved_promise; +} +function add_render_callback(fn) { + render_callbacks.push(fn); +} +const seen_callbacks = /* @__PURE__ */ new Set(); +let flushidx = 0; +function flush() { + if (flushidx !== 0) { + return; + } + const saved_component = current_component; + do { + try { + while (flushidx < dirty_components.length) { + const component = dirty_components[flushidx]; + flushidx++; + set_current_component(component); + update(component.$$); + } + } catch (e) { + dirty_components.length = 0; + flushidx = 0; + throw e; + } + set_current_component(null); + dirty_components.length = 0; + flushidx = 0; + while (binding_callbacks.length) + binding_callbacks.pop()(); + for (let i = 0; i < render_callbacks.length; i += 1) { + const callback = render_callbacks[i]; + if (!seen_callbacks.has(callback)) { + seen_callbacks.add(callback); + callback(); + } + } + render_callbacks.length = 0; + } while (dirty_components.length); + while (flush_callbacks.length) { + flush_callbacks.pop()(); + } + update_scheduled = false; + seen_callbacks.clear(); + set_current_component(saved_component); +} +function update($$) { + if ($$.fragment !== null) { + $$.update(); + run_all($$.before_update); + const dirty = $$.dirty; + $$.dirty = [-1]; + $$.fragment && $$.fragment.p($$.ctx, dirty); + $$.after_update.forEach(add_render_callback); + } +} +const void_element_names = /^(?:area|base|br|col|command|embed|hr|img|input|keygen|link|meta|param|source|track|wbr)$/; +function is_void(name) { + return void_element_names.test(name) || name.toLowerCase() === "!doctype"; +} +/** + * @license + * Copyright 2010-2023 Three.js Authors + * SPDX-License-Identifier: MIT + */ +const REVISION = "159"; +const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; +const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; +const CullFaceNone = 0; +const CullFaceBack = 1; +const CullFaceFront = 2; +const CullFaceFrontBack = 3; +const BasicShadowMap = 0; +const PCFShadowMap = 1; +const PCFSoftShadowMap = 2; +const VSMShadowMap = 3; +const FrontSide = 0; +const BackSide = 1; +const DoubleSide = 2; +const TwoPassDoubleSide = 2; +const NoBlending = 0; +const NormalBlending = 1; +const AdditiveBlending = 2; +const SubtractiveBlending = 3; +const MultiplyBlending = 4; +const CustomBlending = 5; +const AddEquation = 100; +const SubtractEquation = 101; +const ReverseSubtractEquation = 102; +const MinEquation = 103; +const MaxEquation = 104; +const ZeroFactor = 200; +const OneFactor = 201; +const SrcColorFactor = 202; +const OneMinusSrcColorFactor = 203; +const SrcAlphaFactor = 204; +const OneMinusSrcAlphaFactor = 205; +const DstAlphaFactor = 206; +const OneMinusDstAlphaFactor = 207; +const DstColorFactor = 208; +const OneMinusDstColorFactor = 209; +const SrcAlphaSaturateFactor = 210; +const ConstantColorFactor = 211; +const OneMinusConstantColorFactor = 212; +const ConstantAlphaFactor = 213; +const OneMinusConstantAlphaFactor = 214; +const NeverDepth = 0; +const AlwaysDepth = 1; +const LessDepth = 2; +const LessEqualDepth = 3; +const EqualDepth = 4; +const GreaterEqualDepth = 5; +const GreaterDepth = 6; +const NotEqualDepth = 7; +const MultiplyOperation = 0; +const MixOperation = 1; +const AddOperation = 2; +const NoToneMapping = 0; +const LinearToneMapping = 1; +const ReinhardToneMapping = 2; +const CineonToneMapping = 3; +const ACESFilmicToneMapping = 4; +const CustomToneMapping = 5; +const AttachedBindMode = "attached"; +const DetachedBindMode = "detached"; +const UVMapping = 300; +const CubeReflectionMapping = 301; +const CubeRefractionMapping = 302; +const EquirectangularReflectionMapping = 303; +const EquirectangularRefractionMapping = 304; +const CubeUVReflectionMapping = 306; +const RepeatWrapping = 1e3; +const ClampToEdgeWrapping = 1001; +const MirroredRepeatWrapping = 1002; +const NearestFilter = 1003; +const NearestMipmapNearestFilter = 1004; +const NearestMipMapNearestFilter = 1004; +const NearestMipmapLinearFilter = 1005; +const NearestMipMapLinearFilter = 1005; +const LinearFilter = 1006; +const LinearMipmapNearestFilter = 1007; +const LinearMipMapNearestFilter = 1007; +const LinearMipmapLinearFilter = 1008; +const LinearMipMapLinearFilter = 1008; +const UnsignedByteType = 1009; +const ByteType = 1010; +const ShortType = 1011; +const UnsignedShortType = 1012; +const IntType = 1013; +const UnsignedIntType = 1014; +const FloatType = 1015; +const HalfFloatType = 1016; +const UnsignedShort4444Type = 1017; +const UnsignedShort5551Type = 1018; +const UnsignedInt248Type = 1020; +const AlphaFormat = 1021; +const RGBAFormat = 1023; +const LuminanceFormat = 1024; +const LuminanceAlphaFormat = 1025; +const DepthFormat = 1026; +const DepthStencilFormat = 1027; +const RedFormat = 1028; +const RedIntegerFormat = 1029; +const RGFormat = 1030; +const RGIntegerFormat = 1031; +const RGBAIntegerFormat = 1033; +const RGB_S3TC_DXT1_Format = 33776; +const RGBA_S3TC_DXT1_Format = 33777; +const RGBA_S3TC_DXT3_Format = 33778; +const RGBA_S3TC_DXT5_Format = 33779; +const RGB_PVRTC_4BPPV1_Format = 35840; +const RGB_PVRTC_2BPPV1_Format = 35841; +const RGBA_PVRTC_4BPPV1_Format = 35842; +const RGBA_PVRTC_2BPPV1_Format = 35843; +const RGB_ETC1_Format = 36196; +const RGB_ETC2_Format = 37492; +const RGBA_ETC2_EAC_Format = 37496; +const RGBA_ASTC_4x4_Format = 37808; +const RGBA_ASTC_5x4_Format = 37809; +const RGBA_ASTC_5x5_Format = 37810; +const RGBA_ASTC_6x5_Format = 37811; +const RGBA_ASTC_6x6_Format = 37812; +const RGBA_ASTC_8x5_Format = 37813; +const RGBA_ASTC_8x6_Format = 37814; +const RGBA_ASTC_8x8_Format = 37815; +const RGBA_ASTC_10x5_Format = 37816; +const RGBA_ASTC_10x6_Format = 37817; +const RGBA_ASTC_10x8_Format = 37818; +const RGBA_ASTC_10x10_Format = 37819; +const RGBA_ASTC_12x10_Format = 37820; +const RGBA_ASTC_12x12_Format = 37821; +const RGBA_BPTC_Format = 36492; +const RGB_BPTC_SIGNED_Format = 36494; +const RGB_BPTC_UNSIGNED_Format = 36495; +const RED_RGTC1_Format = 36283; +const SIGNED_RED_RGTC1_Format = 36284; +const RED_GREEN_RGTC2_Format = 36285; +const SIGNED_RED_GREEN_RGTC2_Format = 36286; +const LoopOnce = 2200; +const LoopRepeat = 2201; +const LoopPingPong = 2202; +const InterpolateDiscrete = 2300; +const InterpolateLinear = 2301; +const InterpolateSmooth = 2302; +const ZeroCurvatureEnding = 2400; +const ZeroSlopeEnding = 2401; +const WrapAroundEnding = 2402; +const NormalAnimationBlendMode = 2500; +const AdditiveAnimationBlendMode = 2501; +const TrianglesDrawMode = 0; +const TriangleStripDrawMode = 1; +const TriangleFanDrawMode = 2; +const LinearEncoding = 3e3; +const sRGBEncoding = 3001; +const BasicDepthPacking = 3200; +const RGBADepthPacking = 3201; +const TangentSpaceNormalMap = 0; +const ObjectSpaceNormalMap = 1; +const NoColorSpace = ""; +const SRGBColorSpace = "srgb"; +const LinearSRGBColorSpace = "srgb-linear"; +const DisplayP3ColorSpace = "display-p3"; +const LinearDisplayP3ColorSpace = "display-p3-linear"; +const LinearTransfer = "linear"; +const SRGBTransfer = "srgb"; +const Rec709Primaries = "rec709"; +const P3Primaries = "p3"; +const ZeroStencilOp = 0; +const KeepStencilOp = 7680; +const ReplaceStencilOp = 7681; +const IncrementStencilOp = 7682; +const DecrementStencilOp = 7683; +const IncrementWrapStencilOp = 34055; +const DecrementWrapStencilOp = 34056; +const InvertStencilOp = 5386; +const NeverStencilFunc = 512; +const LessStencilFunc = 513; +const EqualStencilFunc = 514; +const LessEqualStencilFunc = 515; +const GreaterStencilFunc = 516; +const NotEqualStencilFunc = 517; +const GreaterEqualStencilFunc = 518; +const AlwaysStencilFunc = 519; +const NeverCompare = 512; +const LessCompare = 513; +const EqualCompare = 514; +const LessEqualCompare = 515; +const GreaterCompare = 516; +const NotEqualCompare = 517; +const GreaterEqualCompare = 518; +const AlwaysCompare = 519; +const StaticDrawUsage = 35044; +const DynamicDrawUsage = 35048; +const StreamDrawUsage = 35040; +const StaticReadUsage = 35045; +const DynamicReadUsage = 35049; +const StreamReadUsage = 35041; +const StaticCopyUsage = 35046; +const DynamicCopyUsage = 35050; +const StreamCopyUsage = 35042; +const GLSL1 = "100"; +const GLSL3 = "300 es"; +const _SRGBAFormat = 1035; +const WebGLCoordinateSystem = 2e3; +const WebGPUCoordinateSystem = 2001; +class EventDispatcher { + addEventListener(type, listener) { + if (this._listeners === void 0) + this._listeners = {}; + const listeners = this._listeners; + if (listeners[type] === void 0) { + listeners[type] = []; + } + if (listeners[type].indexOf(listener) === -1) { + listeners[type].push(listener); + } + } + hasEventListener(type, listener) { + if (this._listeners === void 0) + return false; + const listeners = this._listeners; + return listeners[type] !== void 0 && listeners[type].indexOf(listener) !== -1; + } + removeEventListener(type, listener) { + if (this._listeners === void 0) + return; + const listeners = this._listeners; + const listenerArray = listeners[type]; + if (listenerArray !== void 0) { + const index = listenerArray.indexOf(listener); + if (index !== -1) { + listenerArray.splice(index, 1); + } + } + } + dispatchEvent(event) { + if (this._listeners === void 0) + return; + const listeners = this._listeners; + const listenerArray = listeners[event.type]; + if (listenerArray !== void 0) { + event.target = this; + const array = listenerArray.slice(0); + for (let i = 0, l = array.length; i < l; i++) { + array[i].call(this, event); + } + event.target = null; + } + } +} +const _lut = ["00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0a", "0b", "0c", "0d", "0e", "0f", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1a", "1b", "1c", "1d", "1e", "1f", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2a", "2b", "2c", "2d", "2e", "2f", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3a", "3b", "3c", "3d", "3e", "3f", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4a", "4b", "4c", "4d", "4e", "4f", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5a", "5b", "5c", "5d", "5e", "5f", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6a", "6b", "6c", "6d", "6e", "6f", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7a", "7b", "7c", "7d", "7e", "7f", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8a", "8b", "8c", "8d", "8e", "8f", "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9a", "9b", "9c", "9d", "9e", "9f", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "aa", "ab", "ac", "ad", "ae", "af", "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8", "b9", "ba", "bb", "bc", "bd", "be", "bf", "c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9", "ca", "cb", "cc", "cd", "ce", "cf", "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9", "da", "db", "dc", "dd", "de", "df", "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9", "ea", "eb", "ec", "ed", "ee", "ef", "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "fa", "fb", "fc", "fd", "fe", "ff"]; +let _seed = 1234567; +const DEG2RAD = Math.PI / 180; +const RAD2DEG = 180 / Math.PI; +function generateUUID() { + const d0 = Math.random() * 4294967295 | 0; + const d1 = Math.random() * 4294967295 | 0; + const d2 = Math.random() * 4294967295 | 0; + const d3 = Math.random() * 4294967295 | 0; + const uuid = _lut[d0 & 255] + _lut[d0 >> 8 & 255] + _lut[d0 >> 16 & 255] + _lut[d0 >> 24 & 255] + "-" + _lut[d1 & 255] + _lut[d1 >> 8 & 255] + "-" + _lut[d1 >> 16 & 15 | 64] + _lut[d1 >> 24 & 255] + "-" + _lut[d2 & 63 | 128] + _lut[d2 >> 8 & 255] + "-" + _lut[d2 >> 16 & 255] + _lut[d2 >> 24 & 255] + _lut[d3 & 255] + _lut[d3 >> 8 & 255] + _lut[d3 >> 16 & 255] + _lut[d3 >> 24 & 255]; + return uuid.toLowerCase(); +} +function clamp(value, min, max) { + return Math.max(min, Math.min(max, value)); +} +function euclideanModulo(n, m) { + return (n % m + m) % m; +} +function mapLinear(x, a1, a2, b1, b2) { + return b1 + (x - a1) * (b2 - b1) / (a2 - a1); +} +function inverseLerp(x, y, value) { + if (x !== y) { + return (value - x) / (y - x); + } else { + return 0; + } +} +function lerp(x, y, t) { + return (1 - t) * x + t * y; +} +function damp(x, y, lambda, dt) { + return lerp(x, y, 1 - Math.exp(-lambda * dt)); +} +function pingpong(x, length = 1) { + return length - Math.abs(euclideanModulo(x, length * 2) - length); +} +function smoothstep(x, min, max) { + if (x <= min) + return 0; + if (x >= max) + return 1; + x = (x - min) / (max - min); + return x * x * (3 - 2 * x); +} +function smootherstep(x, min, max) { + if (x <= min) + return 0; + if (x >= max) + return 1; + x = (x - min) / (max - min); + return x * x * x * (x * (x * 6 - 15) + 10); +} +function randInt(low, high) { + return low + Math.floor(Math.random() * (high - low + 1)); +} +function randFloat(low, high) { + return low + Math.random() * (high - low); +} +function randFloatSpread(range) { + return range * (0.5 - Math.random()); +} +function seededRandom(s) { + if (s !== void 0) + _seed = s; + let t = _seed += 1831565813; + t = Math.imul(t ^ t >>> 15, t | 1); + t ^= t + Math.imul(t ^ t >>> 7, t | 61); + return ((t ^ t >>> 14) >>> 0) / 4294967296; +} +function degToRad(degrees) { + return degrees * DEG2RAD; +} +function radToDeg(radians) { + return radians * RAD2DEG; +} +function isPowerOfTwo(value) { + return (value & value - 1) === 0 && value !== 0; +} +function ceilPowerOfTwo(value) { + return Math.pow(2, Math.ceil(Math.log(value) / Math.LN2)); +} +function floorPowerOfTwo(value) { + return Math.pow(2, Math.floor(Math.log(value) / Math.LN2)); +} +function setQuaternionFromProperEuler(q, a, b, c, order) { + const cos = Math.cos; + const sin = Math.sin; + const c2 = cos(b / 2); + const s2 = sin(b / 2); + const c13 = cos((a + c) / 2); + const s13 = sin((a + c) / 2); + const c1_3 = cos((a - c) / 2); + const s1_3 = sin((a - c) / 2); + const c3_1 = cos((c - a) / 2); + const s3_1 = sin((c - a) / 2); + switch (order) { + case "XYX": + q.set(c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13); + break; + case "YZY": + q.set(s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13); + break; + case "ZXZ": + q.set(s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13); + break; + case "XZX": + q.set(c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13); + break; + case "YXY": + q.set(s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13); + break; + case "ZYZ": + q.set(s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13); + break; + default: + console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: " + order); + } +} +function denormalize(value, array) { + switch (array.constructor) { + case Float32Array: + return value; + case Uint32Array: + return value / 4294967295; + case Uint16Array: + return value / 65535; + case Uint8Array: + return value / 255; + case Int32Array: + return Math.max(value / 2147483647, -1); + case Int16Array: + return Math.max(value / 32767, -1); + case Int8Array: + return Math.max(value / 127, -1); + default: + throw new Error("Invalid component type."); + } +} +function normalize(value, array) { + switch (array.constructor) { + case Float32Array: + return value; + case Uint32Array: + return Math.round(value * 4294967295); + case Uint16Array: + return Math.round(value * 65535); + case Uint8Array: + return Math.round(value * 255); + case Int32Array: + return Math.round(value * 2147483647); + case Int16Array: + return Math.round(value * 32767); + case Int8Array: + return Math.round(value * 127); + default: + throw new Error("Invalid component type."); + } +} +const MathUtils = { + DEG2RAD, + RAD2DEG, + generateUUID, + clamp, + euclideanModulo, + mapLinear, + inverseLerp, + lerp, + damp, + pingpong, + smoothstep, + smootherstep, + randInt, + randFloat, + randFloatSpread, + seededRandom, + degToRad, + radToDeg, + isPowerOfTwo, + ceilPowerOfTwo, + floorPowerOfTwo, + setQuaternionFromProperEuler, + normalize, + denormalize +}; +class Vector2 { + constructor(x = 0, y = 0) { + Vector2.prototype.isVector2 = true; + this.x = x; + this.y = y; + } + get width() { + return this.x; + } + set width(value) { + this.x = value; + } + get height() { + return this.y; + } + set height(value) { + this.y = value; + } + set(x, y) { + this.x = x; + this.y = y; + return this; + } + setScalar(scalar) { + this.x = scalar; + this.y = scalar; + return this; + } + setX(x) { + this.x = x; + return this; + } + setY(y) { + this.y = y; + return this; + } + setComponent(index, value) { + switch (index) { + case 0: + this.x = value; + break; + case 1: + this.y = value; + break; + default: + throw new Error("index is out of range: " + index); + } + return this; + } + getComponent(index) { + switch (index) { + case 0: + return this.x; + case 1: + return this.y; + default: + throw new Error("index is out of range: " + index); + } + } + clone() { + return new this.constructor(this.x, this.y); + } + copy(v) { + this.x = v.x; + this.y = v.y; + return this; + } + add(v) { + this.x += v.x; + this.y += v.y; + return this; + } + addScalar(s) { + this.x += s; + this.y += s; + return this; + } + addVectors(a, b) { + this.x = a.x + b.x; + this.y = a.y + b.y; + return this; + } + addScaledVector(v, s) { + this.x += v.x * s; + this.y += v.y * s; + return this; + } + sub(v) { + this.x -= v.x; + this.y -= v.y; + return this; + } + subScalar(s) { + this.x -= s; + this.y -= s; + return this; + } + subVectors(a, b) { + this.x = a.x - b.x; + this.y = a.y - b.y; + return this; + } + multiply(v) { + this.x *= v.x; + this.y *= v.y; + return this; + } + multiplyScalar(scalar) { + this.x *= scalar; + this.y *= scalar; + return this; + } + divide(v) { + this.x /= v.x; + this.y /= v.y; + return this; + } + divideScalar(scalar) { + return this.multiplyScalar(1 / scalar); + } + applyMatrix3(m) { + const x = this.x, y = this.y; + const e = m.elements; + this.x = e[0] * x + e[3] * y + e[6]; + this.y = e[1] * x + e[4] * y + e[7]; + return this; + } + min(v) { + this.x = Math.min(this.x, v.x); + this.y = Math.min(this.y, v.y); + return this; + } + max(v) { + this.x = Math.max(this.x, v.x); + this.y = Math.max(this.y, v.y); + return this; + } + clamp(min, max) { + this.x = Math.max(min.x, Math.min(max.x, this.x)); + this.y = Math.max(min.y, Math.min(max.y, this.y)); + return this; + } + clampScalar(minVal, maxVal) { + this.x = Math.max(minVal, Math.min(maxVal, this.x)); + this.y = Math.max(minVal, Math.min(maxVal, this.y)); + return this; + } + clampLength(min, max) { + const length = this.length(); + return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length))); + } + floor() { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + return this; + } + ceil() { + this.x = Math.ceil(this.x); + this.y = Math.ceil(this.y); + return this; + } + round() { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + return this; + } + roundToZero() { + this.x = Math.trunc(this.x); + this.y = Math.trunc(this.y); + return this; + } + negate() { + this.x = -this.x; + this.y = -this.y; + return this; + } + dot(v) { + return this.x * v.x + this.y * v.y; + } + cross(v) { + return this.x * v.y - this.y * v.x; + } + lengthSq() { + return this.x * this.x + this.y * this.y; + } + length() { + return Math.sqrt(this.x * this.x + this.y * this.y); + } + manhattanLength() { + return Math.abs(this.x) + Math.abs(this.y); + } + normalize() { + return this.divideScalar(this.length() || 1); + } + angle() { + const angle = Math.atan2(-this.y, -this.x) + Math.PI; + return angle; + } + angleTo(v) { + const denominator = Math.sqrt(this.lengthSq() * v.lengthSq()); + if (denominator === 0) + return Math.PI / 2; + const theta = this.dot(v) / denominator; + return Math.acos(clamp(theta, -1, 1)); + } + distanceTo(v) { + return Math.sqrt(this.distanceToSquared(v)); + } + distanceToSquared(v) { + const dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + } + manhattanDistanceTo(v) { + return Math.abs(this.x - v.x) + Math.abs(this.y - v.y); + } + setLength(length) { + return this.normalize().multiplyScalar(length); + } + lerp(v, alpha) { + this.x += (v.x - this.x) * alpha; + this.y += (v.y - this.y) * alpha; + return this; + } + lerpVectors(v12, v22, alpha) { + this.x = v12.x + (v22.x - v12.x) * alpha; + this.y = v12.y + (v22.y - v12.y) * alpha; + return this; + } + equals(v) { + return v.x === this.x && v.y === this.y; + } + fromArray(array, offset = 0) { + this.x = array[offset]; + this.y = array[offset + 1]; + return this; + } + toArray(array = [], offset = 0) { + array[offset] = this.x; + array[offset + 1] = this.y; + return array; + } + fromBufferAttribute(attribute, index) { + this.x = attribute.getX(index); + this.y = attribute.getY(index); + return this; + } + rotateAround(center, angle) { + const c = Math.cos(angle), s = Math.sin(angle); + const x = this.x - center.x; + const y = this.y - center.y; + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + return this; + } + random() { + this.x = Math.random(); + this.y = Math.random(); + return this; + } + *[Symbol.iterator]() { + yield this.x; + yield this.y; + } +} +class Matrix3 { + constructor(n11, n12, n13, n21, n22, n23, n31, n32, n33) { + Matrix3.prototype.isMatrix3 = true; + this.elements = [ + 1, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1 + ]; + if (n11 !== void 0) { + this.set(n11, n12, n13, n21, n22, n23, n31, n32, n33); + } + } + set(n11, n12, n13, n21, n22, n23, n31, n32, n33) { + const te = this.elements; + te[0] = n11; + te[1] = n21; + te[2] = n31; + te[3] = n12; + te[4] = n22; + te[5] = n32; + te[6] = n13; + te[7] = n23; + te[8] = n33; + return this; + } + identity() { + this.set( + 1, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1 + ); + return this; + } + copy(m) { + const te = this.elements; + const me = m.elements; + te[0] = me[0]; + te[1] = me[1]; + te[2] = me[2]; + te[3] = me[3]; + te[4] = me[4]; + te[5] = me[5]; + te[6] = me[6]; + te[7] = me[7]; + te[8] = me[8]; + return this; + } + extractBasis(xAxis, yAxis, zAxis) { + xAxis.setFromMatrix3Column(this, 0); + yAxis.setFromMatrix3Column(this, 1); + zAxis.setFromMatrix3Column(this, 2); + return this; + } + setFromMatrix4(m) { + const me = m.elements; + this.set( + me[0], + me[4], + me[8], + me[1], + me[5], + me[9], + me[2], + me[6], + me[10] + ); + return this; + } + multiply(m) { + return this.multiplyMatrices(this, m); + } + premultiply(m) { + return this.multiplyMatrices(m, this); + } + multiplyMatrices(a, b) { + const ae = a.elements; + const be = b.elements; + const te = this.elements; + const a11 = ae[0], a12 = ae[3], a13 = ae[6]; + const a21 = ae[1], a22 = ae[4], a23 = ae[7]; + const a31 = ae[2], a32 = ae[5], a33 = ae[8]; + const b11 = be[0], b12 = be[3], b13 = be[6]; + const b21 = be[1], b22 = be[4], b23 = be[7]; + const b31 = be[2], b32 = be[5], b33 = be[8]; + te[0] = a11 * b11 + a12 * b21 + a13 * b31; + te[3] = a11 * b12 + a12 * b22 + a13 * b32; + te[6] = a11 * b13 + a12 * b23 + a13 * b33; + te[1] = a21 * b11 + a22 * b21 + a23 * b31; + te[4] = a21 * b12 + a22 * b22 + a23 * b32; + te[7] = a21 * b13 + a22 * b23 + a23 * b33; + te[2] = a31 * b11 + a32 * b21 + a33 * b31; + te[5] = a31 * b12 + a32 * b22 + a33 * b32; + te[8] = a31 * b13 + a32 * b23 + a33 * b33; + return this; + } + multiplyScalar(s) { + const te = this.elements; + te[0] *= s; + te[3] *= s; + te[6] *= s; + te[1] *= s; + te[4] *= s; + te[7] *= s; + te[2] *= s; + te[5] *= s; + te[8] *= s; + return this; + } + determinant() { + const te = this.elements; + const a = te[0], b = te[1], c = te[2], d = te[3], e = te[4], f = te[5], g = te[6], h = te[7], i = te[8]; + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + } + invert() { + const te = this.elements, n11 = te[0], n21 = te[1], n31 = te[2], n12 = te[3], n22 = te[4], n32 = te[5], n13 = te[6], n23 = te[7], n33 = te[8], t11 = n33 * n22 - n32 * n23, t12 = n32 * n13 - n33 * n12, t13 = n23 * n12 - n22 * n13, det = n11 * t11 + n21 * t12 + n31 * t13; + if (det === 0) + return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0); + const detInv = 1 / det; + te[0] = t11 * detInv; + te[1] = (n31 * n23 - n33 * n21) * detInv; + te[2] = (n32 * n21 - n31 * n22) * detInv; + te[3] = t12 * detInv; + te[4] = (n33 * n11 - n31 * n13) * detInv; + te[5] = (n31 * n12 - n32 * n11) * detInv; + te[6] = t13 * detInv; + te[7] = (n21 * n13 - n23 * n11) * detInv; + te[8] = (n22 * n11 - n21 * n12) * detInv; + return this; + } + transpose() { + let tmp2; + const m = this.elements; + tmp2 = m[1]; + m[1] = m[3]; + m[3] = tmp2; + tmp2 = m[2]; + m[2] = m[6]; + m[6] = tmp2; + tmp2 = m[5]; + m[5] = m[7]; + m[7] = tmp2; + return this; + } + getNormalMatrix(matrix4) { + return this.setFromMatrix4(matrix4).invert().transpose(); + } + transposeIntoArray(r) { + const m = this.elements; + r[0] = m[0]; + r[1] = m[3]; + r[2] = m[6]; + r[3] = m[1]; + r[4] = m[4]; + r[5] = m[7]; + r[6] = m[2]; + r[7] = m[5]; + r[8] = m[8]; + return this; + } + setUvTransform(tx, ty, sx, sy, rotation, cx, cy) { + const c = Math.cos(rotation); + const s = Math.sin(rotation); + this.set( + sx * c, + sx * s, + -sx * (c * cx + s * cy) + cx + tx, + -sy * s, + sy * c, + -sy * (-s * cx + c * cy) + cy + ty, + 0, + 0, + 1 + ); + return this; + } + // + scale(sx, sy) { + this.premultiply(_m3.makeScale(sx, sy)); + return this; + } + rotate(theta) { + this.premultiply(_m3.makeRotation(-theta)); + return this; + } + translate(tx, ty) { + this.premultiply(_m3.makeTranslation(tx, ty)); + return this; + } + // for 2D Transforms + makeTranslation(x, y) { + if (x.isVector2) { + this.set( + 1, + 0, + x.x, + 0, + 1, + x.y, + 0, + 0, + 1 + ); + } else { + this.set( + 1, + 0, + x, + 0, + 1, + y, + 0, + 0, + 1 + ); + } + return this; + } + makeRotation(theta) { + const c = Math.cos(theta); + const s = Math.sin(theta); + this.set( + c, + -s, + 0, + s, + c, + 0, + 0, + 0, + 1 + ); + return this; + } + makeScale(x, y) { + this.set( + x, + 0, + 0, + 0, + y, + 0, + 0, + 0, + 1 + ); + return this; + } + // + equals(matrix) { + const te = this.elements; + const me = matrix.elements; + for (let i = 0; i < 9; i++) { + if (te[i] !== me[i]) + return false; + } + return true; + } + fromArray(array, offset = 0) { + for (let i = 0; i < 9; i++) { + this.elements[i] = array[i + offset]; + } + return this; + } + toArray(array = [], offset = 0) { + const te = this.elements; + array[offset] = te[0]; + array[offset + 1] = te[1]; + array[offset + 2] = te[2]; + array[offset + 3] = te[3]; + array[offset + 4] = te[4]; + array[offset + 5] = te[5]; + array[offset + 6] = te[6]; + array[offset + 7] = te[7]; + array[offset + 8] = te[8]; + return array; + } + clone() { + return new this.constructor().fromArray(this.elements); + } +} +const _m3 = /* @__PURE__ */ new Matrix3(); +function arrayNeedsUint32(array) { + for (let i = array.length - 1; i >= 0; --i) { + if (array[i] >= 65535) + return true; + } + return false; +} +const TYPED_ARRAYS = { + Int8Array, + Uint8Array, + Uint8ClampedArray, + Int16Array, + Uint16Array, + Int32Array, + Uint32Array, + Float32Array, + Float64Array +}; +function getTypedArray(type, buffer) { + return new TYPED_ARRAYS[type](buffer); +} +function createElementNS(name) { + return document.createElementNS("http://www.w3.org/1999/xhtml", name); +} +function createCanvasElement() { + const canvas = createElementNS("canvas"); + canvas.style.display = "block"; + return canvas; +} +const _cache = {}; +function warnOnce(message) { + if (message in _cache) + return; + _cache[message] = true; + console.warn(message); +} +const LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = /* @__PURE__ */ new Matrix3().set( + 0.8224621, + 0.177538, + 0, + 0.0331941, + 0.9668058, + 0, + 0.0170827, + 0.0723974, + 0.9105199 +); +const LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = /* @__PURE__ */ new Matrix3().set( + 1.2249401, + -0.2249404, + 0, + -0.0420569, + 1.0420571, + 0, + -0.0196376, + -0.0786361, + 1.0982735 +); +const COLOR_SPACES = { + [LinearSRGBColorSpace]: { + transfer: LinearTransfer, + primaries: Rec709Primaries, + toReference: (color) => color, + fromReference: (color) => color + }, + [SRGBColorSpace]: { + transfer: SRGBTransfer, + primaries: Rec709Primaries, + toReference: (color) => color.convertSRGBToLinear(), + fromReference: (color) => color.convertLinearToSRGB() + }, + [LinearDisplayP3ColorSpace]: { + transfer: LinearTransfer, + primaries: P3Primaries, + toReference: (color) => color.applyMatrix3(LINEAR_DISPLAY_P3_TO_LINEAR_SRGB), + fromReference: (color) => color.applyMatrix3(LINEAR_SRGB_TO_LINEAR_DISPLAY_P3) + }, + [DisplayP3ColorSpace]: { + transfer: SRGBTransfer, + primaries: P3Primaries, + toReference: (color) => color.convertSRGBToLinear().applyMatrix3(LINEAR_DISPLAY_P3_TO_LINEAR_SRGB), + fromReference: (color) => color.applyMatrix3(LINEAR_SRGB_TO_LINEAR_DISPLAY_P3).convertLinearToSRGB() + } +}; +const SUPPORTED_WORKING_COLOR_SPACES = /* @__PURE__ */ new Set([LinearSRGBColorSpace, LinearDisplayP3ColorSpace]); +const ColorManagement = { + enabled: true, + _workingColorSpace: LinearSRGBColorSpace, + get legacyMode() { + console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."); + return !this.enabled; + }, + set legacyMode(legacyMode) { + console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."); + this.enabled = !legacyMode; + }, + get workingColorSpace() { + return this._workingColorSpace; + }, + set workingColorSpace(colorSpace) { + if (!SUPPORTED_WORKING_COLOR_SPACES.has(colorSpace)) { + throw new Error(`Unsupported working color space, "${colorSpace}".`); + } + this._workingColorSpace = colorSpace; + }, + convert: function(color, sourceColorSpace, targetColorSpace) { + if (this.enabled === false || sourceColorSpace === targetColorSpace || !sourceColorSpace || !targetColorSpace) { + return color; + } + const sourceToReference = COLOR_SPACES[sourceColorSpace].toReference; + const targetFromReference = COLOR_SPACES[targetColorSpace].fromReference; + return targetFromReference(sourceToReference(color)); + }, + fromWorkingColorSpace: function(color, targetColorSpace) { + return this.convert(color, this._workingColorSpace, targetColorSpace); + }, + toWorkingColorSpace: function(color, sourceColorSpace) { + return this.convert(color, sourceColorSpace, this._workingColorSpace); + }, + getPrimaries: function(colorSpace) { + return COLOR_SPACES[colorSpace].primaries; + }, + getTransfer: function(colorSpace) { + if (colorSpace === NoColorSpace) + return LinearTransfer; + return COLOR_SPACES[colorSpace].transfer; + } +}; +function SRGBToLinear(c) { + return c < 0.04045 ? c * 0.0773993808 : Math.pow(c * 0.9478672986 + 0.0521327014, 2.4); +} +function LinearToSRGB(c) { + return c < 31308e-7 ? c * 12.92 : 1.055 * Math.pow(c, 0.41666) - 0.055; +} +let _canvas; +class ImageUtils { + static getDataURL(image) { + if (/^data:/i.test(image.src)) { + return image.src; + } + if (typeof HTMLCanvasElement === "undefined") { + return image.src; + } + let canvas; + if (image instanceof HTMLCanvasElement) { + canvas = image; + } else { + if (_canvas === void 0) + _canvas = createElementNS("canvas"); + _canvas.width = image.width; + _canvas.height = image.height; + const context = _canvas.getContext("2d"); + if (image instanceof ImageData) { + context.putImageData(image, 0, 0); + } else { + context.drawImage(image, 0, 0, image.width, image.height); + } + canvas = _canvas; + } + if (canvas.width > 2048 || canvas.height > 2048) { + console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons", image); + return canvas.toDataURL("image/jpeg", 0.6); + } else { + return canvas.toDataURL("image/png"); + } + } + static sRGBToLinear(image) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) { + const canvas = createElementNS("canvas"); + canvas.width = image.width; + canvas.height = image.height; + const context = canvas.getContext("2d"); + context.drawImage(image, 0, 0, image.width, image.height); + const imageData = context.getImageData(0, 0, image.width, image.height); + const data = imageData.data; + for (let i = 0; i < data.length; i++) { + data[i] = SRGBToLinear(data[i] / 255) * 255; + } + context.putImageData(imageData, 0, 0); + return canvas; + } else if (image.data) { + const data = image.data.slice(0); + for (let i = 0; i < data.length; i++) { + if (data instanceof Uint8Array || data instanceof Uint8ClampedArray) { + data[i] = Math.floor(SRGBToLinear(data[i] / 255) * 255); + } else { + data[i] = SRGBToLinear(data[i]); + } + } + return { + data, + width: image.width, + height: image.height + }; + } else { + console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."); + return image; + } + } +} +let _sourceId = 0; +class Source { + constructor(data = null) { + this.isSource = true; + Object.defineProperty(this, "id", { value: _sourceId++ }); + this.uuid = generateUUID(); + this.data = data; + this.version = 0; + } + set needsUpdate(value) { + if (value === true) + this.version++; + } + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + if (!isRootObject && meta.images[this.uuid] !== void 0) { + return meta.images[this.uuid]; + } + const output = { + uuid: this.uuid, + url: "" + }; + const data = this.data; + if (data !== null) { + let url; + if (Array.isArray(data)) { + url = []; + for (let i = 0, l = data.length; i < l; i++) { + if (data[i].isDataTexture) { + url.push(serializeImage(data[i].image)); + } else { + url.push(serializeImage(data[i])); + } + } + } else { + url = serializeImage(data); + } + output.url = url; + } + if (!isRootObject) { + meta.images[this.uuid] = output; + } + return output; + } +} +function serializeImage(image) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) { + return ImageUtils.getDataURL(image); + } else { + if (image.data) { + return { + data: Array.from(image.data), + width: image.width, + height: image.height, + type: image.data.constructor.name + }; + } else { + console.warn("THREE.Texture: Unable to serialize Texture."); + return {}; + } + } +} +let _textureId = 0; +class Texture extends EventDispatcher { + constructor(image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace) { + super(); + this.isTexture = true; + Object.defineProperty(this, "id", { value: _textureId++ }); + this.uuid = generateUUID(); + this.name = ""; + this.source = new Source(image); + this.mipmaps = []; + this.mapping = mapping; + this.channel = 0; + this.wrapS = wrapS; + this.wrapT = wrapT; + this.magFilter = magFilter; + this.minFilter = minFilter; + this.anisotropy = anisotropy; + this.format = format; + this.internalFormat = null; + this.type = type; + this.offset = new Vector2(0, 0); + this.repeat = new Vector2(1, 1); + this.center = new Vector2(0, 0); + this.rotation = 0; + this.matrixAutoUpdate = true; + this.matrix = new Matrix3(); + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; + if (typeof colorSpace === "string") { + this.colorSpace = colorSpace; + } else { + warnOnce("THREE.Texture: Property .encoding has been replaced by .colorSpace."); + this.colorSpace = colorSpace === sRGBEncoding ? SRGBColorSpace : NoColorSpace; + } + this.userData = {}; + this.version = 0; + this.onUpdate = null; + this.isRenderTargetTexture = false; + this.needsPMREMUpdate = false; + } + get image() { + return this.source.data; + } + set image(value = null) { + this.source.data = value; + } + updateMatrix() { + this.matrix.setUvTransform(this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y); + } + clone() { + return new this.constructor().copy(this); + } + copy(source) { + this.name = source.name; + this.source = source.source; + this.mipmaps = source.mipmaps.slice(0); + this.mapping = source.mapping; + this.channel = source.channel; + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + this.anisotropy = source.anisotropy; + this.format = source.format; + this.internalFormat = source.internalFormat; + this.type = source.type; + this.offset.copy(source.offset); + this.repeat.copy(source.repeat); + this.center.copy(source.center); + this.rotation = source.rotation; + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrix.copy(source.matrix); + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.colorSpace = source.colorSpace; + this.userData = JSON.parse(JSON.stringify(source.userData)); + this.needsUpdate = true; + return this; + } + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + if (!isRootObject && meta.textures[this.uuid] !== void 0) { + return meta.textures[this.uuid]; + } + const output = { + metadata: { + version: 4.6, + type: "Texture", + generator: "Texture.toJSON" + }, + uuid: this.uuid, + name: this.name, + image: this.source.toJSON(meta).uuid, + mapping: this.mapping, + channel: this.channel, + repeat: [this.repeat.x, this.repeat.y], + offset: [this.offset.x, this.offset.y], + center: [this.center.x, this.center.y], + rotation: this.rotation, + wrap: [this.wrapS, this.wrapT], + format: this.format, + internalFormat: this.internalFormat, + type: this.type, + colorSpace: this.colorSpace, + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + flipY: this.flipY, + generateMipmaps: this.generateMipmaps, + premultiplyAlpha: this.premultiplyAlpha, + unpackAlignment: this.unpackAlignment + }; + if (Object.keys(this.userData).length > 0) + output.userData = this.userData; + if (!isRootObject) { + meta.textures[this.uuid] = output; + } + return output; + } + dispose() { + this.dispatchEvent({ type: "dispose" }); + } + transformUv(uv) { + if (this.mapping !== UVMapping) + return uv; + uv.applyMatrix3(this.matrix); + if (uv.x < 0 || uv.x > 1) { + switch (this.wrapS) { + case RepeatWrapping: + uv.x = uv.x - Math.floor(uv.x); + break; + case ClampToEdgeWrapping: + uv.x = uv.x < 0 ? 0 : 1; + break; + case MirroredRepeatWrapping: + if (Math.abs(Math.floor(uv.x) % 2) === 1) { + uv.x = Math.ceil(uv.x) - uv.x; + } else { + uv.x = uv.x - Math.floor(uv.x); + } + break; + } + } + if (uv.y < 0 || uv.y > 1) { + switch (this.wrapT) { + case RepeatWrapping: + uv.y = uv.y - Math.floor(uv.y); + break; + case ClampToEdgeWrapping: + uv.y = uv.y < 0 ? 0 : 1; + break; + case MirroredRepeatWrapping: + if (Math.abs(Math.floor(uv.y) % 2) === 1) { + uv.y = Math.ceil(uv.y) - uv.y; + } else { + uv.y = uv.y - Math.floor(uv.y); + } + break; + } + } + if (this.flipY) { + uv.y = 1 - uv.y; + } + return uv; + } + set needsUpdate(value) { + if (value === true) { + this.version++; + this.source.needsUpdate = true; + } + } + get encoding() { + warnOnce("THREE.Texture: Property .encoding has been replaced by .colorSpace."); + return this.colorSpace === SRGBColorSpace ? sRGBEncoding : LinearEncoding; + } + set encoding(encoding) { + warnOnce("THREE.Texture: Property .encoding has been replaced by .colorSpace."); + this.colorSpace = encoding === sRGBEncoding ? SRGBColorSpace : NoColorSpace; + } +} +Texture.DEFAULT_IMAGE = null; +Texture.DEFAULT_MAPPING = UVMapping; +Texture.DEFAULT_ANISOTROPY = 1; +class Vector4 { + constructor(x = 0, y = 0, z = 0, w = 1) { + Vector4.prototype.isVector4 = true; + this.x = x; + this.y = y; + this.z = z; + this.w = w; + } + get width() { + return this.z; + } + set width(value) { + this.z = value; + } + get height() { + return this.w; + } + set height(value) { + this.w = value; + } + set(x, y, z, w) { + this.x = x; + this.y = y; + this.z = z; + this.w = w; + return this; + } + setScalar(scalar) { + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + return this; + } + setX(x) { + this.x = x; + return this; + } + setY(y) { + this.y = y; + return this; + } + setZ(z) { + this.z = z; + return this; + } + setW(w) { + this.w = w; + return this; + } + setComponent(index, value) { + switch (index) { + case 0: + this.x = value; + break; + case 1: + this.y = value; + break; + case 2: + this.z = value; + break; + case 3: + this.w = value; + break; + default: + throw new Error("index is out of range: " + index); + } + return this; + } + getComponent(index) { + switch (index) { + case 0: + return this.x; + case 1: + return this.y; + case 2: + return this.z; + case 3: + return this.w; + default: + throw new Error("index is out of range: " + index); + } + } + clone() { + return new this.constructor(this.x, this.y, this.z, this.w); + } + copy(v) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = v.w !== void 0 ? v.w : 1; + return this; + } + add(v) { + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + return this; + } + addScalar(s) { + this.x += s; + this.y += s; + this.z += s; + this.w += s; + return this; + } + addVectors(a, b) { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + return this; + } + addScaledVector(v, s) { + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + return this; + } + sub(v) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + return this; + } + subScalar(s) { + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + return this; + } + subVectors(a, b) { + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + return this; + } + multiply(v) { + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + this.w *= v.w; + return this; + } + multiplyScalar(scalar) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + return this; + } + applyMatrix4(m) { + const x = this.x, y = this.y, z = this.z, w = this.w; + const e = m.elements; + this.x = e[0] * x + e[4] * y + e[8] * z + e[12] * w; + this.y = e[1] * x + e[5] * y + e[9] * z + e[13] * w; + this.z = e[2] * x + e[6] * y + e[10] * z + e[14] * w; + this.w = e[3] * x + e[7] * y + e[11] * z + e[15] * w; + return this; + } + divideScalar(scalar) { + return this.multiplyScalar(1 / scalar); + } + setAxisAngleFromQuaternion(q) { + this.w = 2 * Math.acos(q.w); + const s = Math.sqrt(1 - q.w * q.w); + if (s < 1e-4) { + this.x = 1; + this.y = 0; + this.z = 0; + } else { + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + } + return this; + } + setAxisAngleFromRotationMatrix(m) { + let angle, x, y, z; + const epsilon = 0.01, epsilon2 = 0.1, te = m.elements, m11 = te[0], m12 = te[4], m13 = te[8], m21 = te[1], m22 = te[5], m23 = te[9], m31 = te[2], m32 = te[6], m33 = te[10]; + if (Math.abs(m12 - m21) < epsilon && Math.abs(m13 - m31) < epsilon && Math.abs(m23 - m32) < epsilon) { + if (Math.abs(m12 + m21) < epsilon2 && Math.abs(m13 + m31) < epsilon2 && Math.abs(m23 + m32) < epsilon2 && Math.abs(m11 + m22 + m33 - 3) < epsilon2) { + this.set(1, 0, 0, 0); + return this; + } + angle = Math.PI; + const xx = (m11 + 1) / 2; + const yy = (m22 + 1) / 2; + const zz = (m33 + 1) / 2; + const xy = (m12 + m21) / 4; + const xz = (m13 + m31) / 4; + const yz = (m23 + m32) / 4; + if (xx > yy && xx > zz) { + if (xx < epsilon) { + x = 0; + y = 0.707106781; + z = 0.707106781; + } else { + x = Math.sqrt(xx); + y = xy / x; + z = xz / x; + } + } else if (yy > zz) { + if (yy < epsilon) { + x = 0.707106781; + y = 0; + z = 0.707106781; + } else { + y = Math.sqrt(yy); + x = xy / y; + z = yz / y; + } + } else { + if (zz < epsilon) { + x = 0.707106781; + y = 0.707106781; + z = 0; + } else { + z = Math.sqrt(zz); + x = xz / z; + y = yz / z; + } + } + this.set(x, y, z, angle); + return this; + } + let s = Math.sqrt((m32 - m23) * (m32 - m23) + (m13 - m31) * (m13 - m31) + (m21 - m12) * (m21 - m12)); + if (Math.abs(s) < 1e-3) + s = 1; + this.x = (m32 - m23) / s; + this.y = (m13 - m31) / s; + this.z = (m21 - m12) / s; + this.w = Math.acos((m11 + m22 + m33 - 1) / 2); + return this; + } + min(v) { + this.x = Math.min(this.x, v.x); + this.y = Math.min(this.y, v.y); + this.z = Math.min(this.z, v.z); + this.w = Math.min(this.w, v.w); + return this; + } + max(v) { + this.x = Math.max(this.x, v.x); + this.y = Math.max(this.y, v.y); + this.z = Math.max(this.z, v.z); + this.w = Math.max(this.w, v.w); + return this; + } + clamp(min, max) { + this.x = Math.max(min.x, Math.min(max.x, this.x)); + this.y = Math.max(min.y, Math.min(max.y, this.y)); + this.z = Math.max(min.z, Math.min(max.z, this.z)); + this.w = Math.max(min.w, Math.min(max.w, this.w)); + return this; + } + clampScalar(minVal, maxVal) { + this.x = Math.max(minVal, Math.min(maxVal, this.x)); + this.y = Math.max(minVal, Math.min(maxVal, this.y)); + this.z = Math.max(minVal, Math.min(maxVal, this.z)); + this.w = Math.max(minVal, Math.min(maxVal, this.w)); + return this; + } + clampLength(min, max) { + const length = this.length(); + return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length))); + } + floor() { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + this.z = Math.floor(this.z); + this.w = Math.floor(this.w); + return this; + } + ceil() { + this.x = Math.ceil(this.x); + this.y = Math.ceil(this.y); + this.z = Math.ceil(this.z); + this.w = Math.ceil(this.w); + return this; + } + round() { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + this.z = Math.round(this.z); + this.w = Math.round(this.w); + return this; + } + roundToZero() { + this.x = Math.trunc(this.x); + this.y = Math.trunc(this.y); + this.z = Math.trunc(this.z); + this.w = Math.trunc(this.w); + return this; + } + negate() { + this.x = -this.x; + this.y = -this.y; + this.z = -this.z; + this.w = -this.w; + return this; + } + dot(v) { + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + } + lengthSq() { + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + } + length() { + return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w); + } + manhattanLength() { + return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z) + Math.abs(this.w); + } + normalize() { + return this.divideScalar(this.length() || 1); + } + setLength(length) { + return this.normalize().multiplyScalar(length); + } + lerp(v, alpha) { + this.x += (v.x - this.x) * alpha; + this.y += (v.y - this.y) * alpha; + this.z += (v.z - this.z) * alpha; + this.w += (v.w - this.w) * alpha; + return this; + } + lerpVectors(v12, v22, alpha) { + this.x = v12.x + (v22.x - v12.x) * alpha; + this.y = v12.y + (v22.y - v12.y) * alpha; + this.z = v12.z + (v22.z - v12.z) * alpha; + this.w = v12.w + (v22.w - v12.w) * alpha; + return this; + } + equals(v) { + return v.x === this.x && v.y === this.y && v.z === this.z && v.w === this.w; + } + fromArray(array, offset = 0) { + this.x = array[offset]; + this.y = array[offset + 1]; + this.z = array[offset + 2]; + this.w = array[offset + 3]; + return this; + } + toArray(array = [], offset = 0) { + array[offset] = this.x; + array[offset + 1] = this.y; + array[offset + 2] = this.z; + array[offset + 3] = this.w; + return array; + } + fromBufferAttribute(attribute, index) { + this.x = attribute.getX(index); + this.y = attribute.getY(index); + this.z = attribute.getZ(index); + this.w = attribute.getW(index); + return this; + } + random() { + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + this.w = Math.random(); + return this; + } + *[Symbol.iterator]() { + yield this.x; + yield this.y; + yield this.z; + yield this.w; + } +} +class RenderTarget extends EventDispatcher { + constructor(width = 1, height = 1, options = {}) { + super(); + this.isRenderTarget = true; + this.width = width; + this.height = height; + this.depth = 1; + this.scissor = new Vector4(0, 0, width, height); + this.scissorTest = false; + this.viewport = new Vector4(0, 0, width, height); + const image = { width, height, depth: 1 }; + if (options.encoding !== void 0) { + warnOnce("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."); + options.colorSpace = options.encoding === sRGBEncoding ? SRGBColorSpace : NoColorSpace; + } + options = Object.assign({ + generateMipmaps: false, + internalFormat: null, + minFilter: LinearFilter, + depthBuffer: true, + stencilBuffer: false, + depthTexture: null, + samples: 0 + }, options); + this.texture = new Texture(image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace); + this.texture.isRenderTargetTexture = true; + this.texture.flipY = false; + this.texture.generateMipmaps = options.generateMipmaps; + this.texture.internalFormat = options.internalFormat; + this.depthBuffer = options.depthBuffer; + this.stencilBuffer = options.stencilBuffer; + this.depthTexture = options.depthTexture; + this.samples = options.samples; + } + setSize(width, height, depth = 1) { + if (this.width !== width || this.height !== height || this.depth !== depth) { + this.width = width; + this.height = height; + this.depth = depth; + this.texture.image.width = width; + this.texture.image.height = height; + this.texture.image.depth = depth; + this.dispose(); + } + this.viewport.set(0, 0, width, height); + this.scissor.set(0, 0, width, height); + } + clone() { + return new this.constructor().copy(this); + } + copy(source) { + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + this.scissor.copy(source.scissor); + this.scissorTest = source.scissorTest; + this.viewport.copy(source.viewport); + this.texture = source.texture.clone(); + this.texture.isRenderTargetTexture = true; + const image = Object.assign({}, source.texture.image); + this.texture.source = new Source(image); + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + if (source.depthTexture !== null) + this.depthTexture = source.depthTexture.clone(); + this.samples = source.samples; + return this; + } + dispose() { + this.dispatchEvent({ type: "dispose" }); + } +} +class WebGLRenderTarget extends RenderTarget { + constructor(width = 1, height = 1, options = {}) { + super(width, height, options); + this.isWebGLRenderTarget = true; + } +} +class DataArrayTexture extends Texture { + constructor(data = null, width = 1, height = 1, depth = 1) { + super(null); + this.isDataArrayTexture = true; + this.image = { data, width, height, depth }; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.wrapR = ClampToEdgeWrapping; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } +} +class WebGLArrayRenderTarget extends WebGLRenderTarget { + constructor(width = 1, height = 1, depth = 1, options = {}) { + super(width, height, options); + this.isWebGLArrayRenderTarget = true; + this.depth = depth; + this.texture = new DataArrayTexture(null, width, height, depth); + this.texture.isRenderTargetTexture = true; + } +} +class Data3DTexture extends Texture { + constructor(data = null, width = 1, height = 1, depth = 1) { + super(null); + this.isData3DTexture = true; + this.image = { data, width, height, depth }; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.wrapR = ClampToEdgeWrapping; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } +} +class WebGL3DRenderTarget extends WebGLRenderTarget { + constructor(width = 1, height = 1, depth = 1, options = {}) { + super(width, height, options); + this.isWebGL3DRenderTarget = true; + this.depth = depth; + this.texture = new Data3DTexture(null, width, height, depth); + this.texture.isRenderTargetTexture = true; + } +} +class WebGLMultipleRenderTargets extends WebGLRenderTarget { + constructor(width = 1, height = 1, count = 1, options = {}) { + super(width, height, options); + this.isWebGLMultipleRenderTargets = true; + const texture = this.texture; + this.texture = []; + for (let i = 0; i < count; i++) { + this.texture[i] = texture.clone(); + this.texture[i].isRenderTargetTexture = true; + } + } + setSize(width, height, depth = 1) { + if (this.width !== width || this.height !== height || this.depth !== depth) { + this.width = width; + this.height = height; + this.depth = depth; + for (let i = 0, il = this.texture.length; i < il; i++) { + this.texture[i].image.width = width; + this.texture[i].image.height = height; + this.texture[i].image.depth = depth; + } + this.dispose(); + } + this.viewport.set(0, 0, width, height); + this.scissor.set(0, 0, width, height); + } + copy(source) { + this.dispose(); + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + this.scissor.copy(source.scissor); + this.scissorTest = source.scissorTest; + this.viewport.copy(source.viewport); + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + if (source.depthTexture !== null) + this.depthTexture = source.depthTexture.clone(); + this.texture.length = 0; + for (let i = 0, il = source.texture.length; i < il; i++) { + this.texture[i] = source.texture[i].clone(); + this.texture[i].isRenderTargetTexture = true; + } + return this; + } +} +class Quaternion { + constructor(x = 0, y = 0, z = 0, w = 1) { + this.isQuaternion = true; + this._x = x; + this._y = y; + this._z = z; + this._w = w; + } + static slerpFlat(dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t) { + let x0 = src0[srcOffset0 + 0], y0 = src0[srcOffset0 + 1], z0 = src0[srcOffset0 + 2], w0 = src0[srcOffset0 + 3]; + const x1 = src1[srcOffset1 + 0], y1 = src1[srcOffset1 + 1], z1 = src1[srcOffset1 + 2], w1 = src1[srcOffset1 + 3]; + if (t === 0) { + dst[dstOffset + 0] = x0; + dst[dstOffset + 1] = y0; + dst[dstOffset + 2] = z0; + dst[dstOffset + 3] = w0; + return; + } + if (t === 1) { + dst[dstOffset + 0] = x1; + dst[dstOffset + 1] = y1; + dst[dstOffset + 2] = z1; + dst[dstOffset + 3] = w1; + return; + } + if (w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1) { + let s = 1 - t; + const cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, dir = cos >= 0 ? 1 : -1, sqrSin = 1 - cos * cos; + if (sqrSin > Number.EPSILON) { + const sin = Math.sqrt(sqrSin), len = Math.atan2(sin, cos * dir); + s = Math.sin(s * len) / sin; + t = Math.sin(t * len) / sin; + } + const tDir = t * dir; + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; + if (s === 1 - t) { + const f = 1 / Math.sqrt(x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0); + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + } + } + dst[dstOffset] = x0; + dst[dstOffset + 1] = y0; + dst[dstOffset + 2] = z0; + dst[dstOffset + 3] = w0; + } + static multiplyQuaternionsFlat(dst, dstOffset, src0, srcOffset0, src1, srcOffset1) { + const x0 = src0[srcOffset0]; + const y0 = src0[srcOffset0 + 1]; + const z0 = src0[srcOffset0 + 2]; + const w0 = src0[srcOffset0 + 3]; + const x1 = src1[srcOffset1]; + const y1 = src1[srcOffset1 + 1]; + const z1 = src1[srcOffset1 + 2]; + const w1 = src1[srcOffset1 + 3]; + dst[dstOffset] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1; + dst[dstOffset + 1] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1; + dst[dstOffset + 2] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1; + dst[dstOffset + 3] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1; + return dst; + } + get x() { + return this._x; + } + set x(value) { + this._x = value; + this._onChangeCallback(); + } + get y() { + return this._y; + } + set y(value) { + this._y = value; + this._onChangeCallback(); + } + get z() { + return this._z; + } + set z(value) { + this._z = value; + this._onChangeCallback(); + } + get w() { + return this._w; + } + set w(value) { + this._w = value; + this._onChangeCallback(); + } + set(x, y, z, w) { + this._x = x; + this._y = y; + this._z = z; + this._w = w; + this._onChangeCallback(); + return this; + } + clone() { + return new this.constructor(this._x, this._y, this._z, this._w); + } + copy(quaternion) { + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + this._onChangeCallback(); + return this; + } + setFromEuler(euler, update2) { + const x = euler._x, y = euler._y, z = euler._z, order = euler._order; + const cos = Math.cos; + const sin = Math.sin; + const c1 = cos(x / 2); + const c2 = cos(y / 2); + const c3 = cos(z / 2); + const s1 = sin(x / 2); + const s2 = sin(y / 2); + const s3 = sin(z / 2); + switch (order) { + case "XYZ": + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case "YXZ": + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + case "ZXY": + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case "ZYX": + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + case "YZX": + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case "XZY": + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + default: + console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: " + order); + } + if (update2 !== false) + this._onChangeCallback(); + return this; + } + setFromAxisAngle(axis, angle) { + const halfAngle = angle / 2, s = Math.sin(halfAngle); + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos(halfAngle); + this._onChangeCallback(); + return this; + } + setFromRotationMatrix(m) { + const te = m.elements, m11 = te[0], m12 = te[4], m13 = te[8], m21 = te[1], m22 = te[5], m23 = te[9], m31 = te[2], m32 = te[6], m33 = te[10], trace = m11 + m22 + m33; + if (trace > 0) { + const s = 0.5 / Math.sqrt(trace + 1); + this._w = 0.25 / s; + this._x = (m32 - m23) * s; + this._y = (m13 - m31) * s; + this._z = (m21 - m12) * s; + } else if (m11 > m22 && m11 > m33) { + const s = 2 * Math.sqrt(1 + m11 - m22 - m33); + this._w = (m32 - m23) / s; + this._x = 0.25 * s; + this._y = (m12 + m21) / s; + this._z = (m13 + m31) / s; + } else if (m22 > m33) { + const s = 2 * Math.sqrt(1 + m22 - m11 - m33); + this._w = (m13 - m31) / s; + this._x = (m12 + m21) / s; + this._y = 0.25 * s; + this._z = (m23 + m32) / s; + } else { + const s = 2 * Math.sqrt(1 + m33 - m11 - m22); + this._w = (m21 - m12) / s; + this._x = (m13 + m31) / s; + this._y = (m23 + m32) / s; + this._z = 0.25 * s; + } + this._onChangeCallback(); + return this; + } + setFromUnitVectors(vFrom, vTo) { + let r = vFrom.dot(vTo) + 1; + if (r < Number.EPSILON) { + r = 0; + if (Math.abs(vFrom.x) > Math.abs(vFrom.z)) { + this._x = -vFrom.y; + this._y = vFrom.x; + this._z = 0; + this._w = r; + } else { + this._x = 0; + this._y = -vFrom.z; + this._z = vFrom.y; + this._w = r; + } + } else { + this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; + this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; + this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; + this._w = r; + } + return this.normalize(); + } + angleTo(q) { + return 2 * Math.acos(Math.abs(clamp(this.dot(q), -1, 1))); + } + rotateTowards(q, step) { + const angle = this.angleTo(q); + if (angle === 0) + return this; + const t = Math.min(1, step / angle); + this.slerp(q, t); + return this; + } + identity() { + return this.set(0, 0, 0, 1); + } + invert() { + return this.conjugate(); + } + conjugate() { + this._x *= -1; + this._y *= -1; + this._z *= -1; + this._onChangeCallback(); + return this; + } + dot(v) { + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + } + lengthSq() { + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + } + length() { + return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w); + } + normalize() { + let l = this.length(); + if (l === 0) { + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + } else { + l = 1 / l; + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + } + this._onChangeCallback(); + return this; + } + multiply(q) { + return this.multiplyQuaternions(this, q); + } + premultiply(q) { + return this.multiplyQuaternions(q, this); + } + multiplyQuaternions(a, b) { + const qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + const qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + this._onChangeCallback(); + return this; + } + slerp(qb, t) { + if (t === 0) + return this; + if (t === 1) + return this.copy(qb); + const x = this._x, y = this._y, z = this._z, w = this._w; + let cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + if (cosHalfTheta < 0) { + this._w = -qb._w; + this._x = -qb._x; + this._y = -qb._y; + this._z = -qb._z; + cosHalfTheta = -cosHalfTheta; + } else { + this.copy(qb); + } + if (cosHalfTheta >= 1) { + this._w = w; + this._x = x; + this._y = y; + this._z = z; + return this; + } + const sqrSinHalfTheta = 1 - cosHalfTheta * cosHalfTheta; + if (sqrSinHalfTheta <= Number.EPSILON) { + const s = 1 - t; + this._w = s * w + t * this._w; + this._x = s * x + t * this._x; + this._y = s * y + t * this._y; + this._z = s * z + t * this._z; + this.normalize(); + this._onChangeCallback(); + return this; + } + const sinHalfTheta = Math.sqrt(sqrSinHalfTheta); + const halfTheta = Math.atan2(sinHalfTheta, cosHalfTheta); + const ratioA = Math.sin((1 - t) * halfTheta) / sinHalfTheta, ratioB = Math.sin(t * halfTheta) / sinHalfTheta; + this._w = w * ratioA + this._w * ratioB; + this._x = x * ratioA + this._x * ratioB; + this._y = y * ratioA + this._y * ratioB; + this._z = z * ratioA + this._z * ratioB; + this._onChangeCallback(); + return this; + } + slerpQuaternions(qa, qb, t) { + return this.copy(qa).slerp(qb, t); + } + random() { + const u1 = Math.random(); + const sqrt1u1 = Math.sqrt(1 - u1); + const sqrtu1 = Math.sqrt(u1); + const u2 = 2 * Math.PI * Math.random(); + const u3 = 2 * Math.PI * Math.random(); + return this.set( + sqrt1u1 * Math.cos(u2), + sqrtu1 * Math.sin(u3), + sqrtu1 * Math.cos(u3), + sqrt1u1 * Math.sin(u2) + ); + } + equals(quaternion) { + return quaternion._x === this._x && quaternion._y === this._y && quaternion._z === this._z && quaternion._w === this._w; + } + fromArray(array, offset = 0) { + this._x = array[offset]; + this._y = array[offset + 1]; + this._z = array[offset + 2]; + this._w = array[offset + 3]; + this._onChangeCallback(); + return this; + } + toArray(array = [], offset = 0) { + array[offset] = this._x; + array[offset + 1] = this._y; + array[offset + 2] = this._z; + array[offset + 3] = this._w; + return array; + } + fromBufferAttribute(attribute, index) { + this._x = attribute.getX(index); + this._y = attribute.getY(index); + this._z = attribute.getZ(index); + this._w = attribute.getW(index); + return this; + } + toJSON() { + return this.toArray(); + } + _onChange(callback) { + this._onChangeCallback = callback; + return this; + } + _onChangeCallback() { + } + *[Symbol.iterator]() { + yield this._x; + yield this._y; + yield this._z; + yield this._w; + } +} +class Vector3 { + constructor(x = 0, y = 0, z = 0) { + Vector3.prototype.isVector3 = true; + this.x = x; + this.y = y; + this.z = z; + } + set(x, y, z) { + if (z === void 0) + z = this.z; + this.x = x; + this.y = y; + this.z = z; + return this; + } + setScalar(scalar) { + this.x = scalar; + this.y = scalar; + this.z = scalar; + return this; + } + setX(x) { + this.x = x; + return this; + } + setY(y) { + this.y = y; + return this; + } + setZ(z) { + this.z = z; + return this; + } + setComponent(index, value) { + switch (index) { + case 0: + this.x = value; + break; + case 1: + this.y = value; + break; + case 2: + this.z = value; + break; + default: + throw new Error("index is out of range: " + index); + } + return this; + } + getComponent(index) { + switch (index) { + case 0: + return this.x; + case 1: + return this.y; + case 2: + return this.z; + default: + throw new Error("index is out of range: " + index); + } + } + clone() { + return new this.constructor(this.x, this.y, this.z); + } + copy(v) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + return this; + } + add(v) { + this.x += v.x; + this.y += v.y; + this.z += v.z; + return this; + } + addScalar(s) { + this.x += s; + this.y += s; + this.z += s; + return this; + } + addVectors(a, b) { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + return this; + } + addScaledVector(v, s) { + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + return this; + } + sub(v) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + return this; + } + subScalar(s) { + this.x -= s; + this.y -= s; + this.z -= s; + return this; + } + subVectors(a, b) { + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + return this; + } + multiply(v) { + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + return this; + } + multiplyScalar(scalar) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + return this; + } + multiplyVectors(a, b) { + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + return this; + } + applyEuler(euler) { + return this.applyQuaternion(_quaternion$4.setFromEuler(euler)); + } + applyAxisAngle(axis, angle) { + return this.applyQuaternion(_quaternion$4.setFromAxisAngle(axis, angle)); + } + applyMatrix3(m) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + this.x = e[0] * x + e[3] * y + e[6] * z; + this.y = e[1] * x + e[4] * y + e[7] * z; + this.z = e[2] * x + e[5] * y + e[8] * z; + return this; + } + applyNormalMatrix(m) { + return this.applyMatrix3(m).normalize(); + } + applyMatrix4(m) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + const w = 1 / (e[3] * x + e[7] * y + e[11] * z + e[15]); + this.x = (e[0] * x + e[4] * y + e[8] * z + e[12]) * w; + this.y = (e[1] * x + e[5] * y + e[9] * z + e[13]) * w; + this.z = (e[2] * x + e[6] * y + e[10] * z + e[14]) * w; + return this; + } + applyQuaternion(q) { + const vx = this.x, vy = this.y, vz = this.z; + const qx = q.x, qy = q.y, qz = q.z, qw = q.w; + const tx = 2 * (qy * vz - qz * vy); + const ty = 2 * (qz * vx - qx * vz); + const tz = 2 * (qx * vy - qy * vx); + this.x = vx + qw * tx + qy * tz - qz * ty; + this.y = vy + qw * ty + qz * tx - qx * tz; + this.z = vz + qw * tz + qx * ty - qy * tx; + return this; + } + project(camera) { + return this.applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix); + } + unproject(camera) { + return this.applyMatrix4(camera.projectionMatrixInverse).applyMatrix4(camera.matrixWorld); + } + transformDirection(m) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + this.x = e[0] * x + e[4] * y + e[8] * z; + this.y = e[1] * x + e[5] * y + e[9] * z; + this.z = e[2] * x + e[6] * y + e[10] * z; + return this.normalize(); + } + divide(v) { + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + return this; + } + divideScalar(scalar) { + return this.multiplyScalar(1 / scalar); + } + min(v) { + this.x = Math.min(this.x, v.x); + this.y = Math.min(this.y, v.y); + this.z = Math.min(this.z, v.z); + return this; + } + max(v) { + this.x = Math.max(this.x, v.x); + this.y = Math.max(this.y, v.y); + this.z = Math.max(this.z, v.z); + return this; + } + clamp(min, max) { + this.x = Math.max(min.x, Math.min(max.x, this.x)); + this.y = Math.max(min.y, Math.min(max.y, this.y)); + this.z = Math.max(min.z, Math.min(max.z, this.z)); + return this; + } + clampScalar(minVal, maxVal) { + this.x = Math.max(minVal, Math.min(maxVal, this.x)); + this.y = Math.max(minVal, Math.min(maxVal, this.y)); + this.z = Math.max(minVal, Math.min(maxVal, this.z)); + return this; + } + clampLength(min, max) { + const length = this.length(); + return this.divideScalar(length || 1).multiplyScalar(Math.max(min, Math.min(max, length))); + } + floor() { + this.x = Math.floor(this.x); + this.y = Math.floor(this.y); + this.z = Math.floor(this.z); + return this; + } + ceil() { + this.x = Math.ceil(this.x); + this.y = Math.ceil(this.y); + this.z = Math.ceil(this.z); + return this; + } + round() { + this.x = Math.round(this.x); + this.y = Math.round(this.y); + this.z = Math.round(this.z); + return this; + } + roundToZero() { + this.x = Math.trunc(this.x); + this.y = Math.trunc(this.y); + this.z = Math.trunc(this.z); + return this; + } + negate() { + this.x = -this.x; + this.y = -this.y; + this.z = -this.z; + return this; + } + dot(v) { + return this.x * v.x + this.y * v.y + this.z * v.z; + } + // TODO lengthSquared? + lengthSq() { + return this.x * this.x + this.y * this.y + this.z * this.z; + } + length() { + return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z); + } + manhattanLength() { + return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z); + } + normalize() { + return this.divideScalar(this.length() || 1); + } + setLength(length) { + return this.normalize().multiplyScalar(length); + } + lerp(v, alpha) { + this.x += (v.x - this.x) * alpha; + this.y += (v.y - this.y) * alpha; + this.z += (v.z - this.z) * alpha; + return this; + } + lerpVectors(v12, v22, alpha) { + this.x = v12.x + (v22.x - v12.x) * alpha; + this.y = v12.y + (v22.y - v12.y) * alpha; + this.z = v12.z + (v22.z - v12.z) * alpha; + return this; + } + cross(v) { + return this.crossVectors(this, v); + } + crossVectors(a, b) { + const ax = a.x, ay = a.y, az = a.z; + const bx = b.x, by = b.y, bz = b.z; + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + return this; + } + projectOnVector(v) { + const denominator = v.lengthSq(); + if (denominator === 0) + return this.set(0, 0, 0); + const scalar = v.dot(this) / denominator; + return this.copy(v).multiplyScalar(scalar); + } + projectOnPlane(planeNormal) { + _vector$c.copy(this).projectOnVector(planeNormal); + return this.sub(_vector$c); + } + reflect(normal) { + return this.sub(_vector$c.copy(normal).multiplyScalar(2 * this.dot(normal))); + } + angleTo(v) { + const denominator = Math.sqrt(this.lengthSq() * v.lengthSq()); + if (denominator === 0) + return Math.PI / 2; + const theta = this.dot(v) / denominator; + return Math.acos(clamp(theta, -1, 1)); + } + distanceTo(v) { + return Math.sqrt(this.distanceToSquared(v)); + } + distanceToSquared(v) { + const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + return dx * dx + dy * dy + dz * dz; + } + manhattanDistanceTo(v) { + return Math.abs(this.x - v.x) + Math.abs(this.y - v.y) + Math.abs(this.z - v.z); + } + setFromSpherical(s) { + return this.setFromSphericalCoords(s.radius, s.phi, s.theta); + } + setFromSphericalCoords(radius, phi, theta) { + const sinPhiRadius = Math.sin(phi) * radius; + this.x = sinPhiRadius * Math.sin(theta); + this.y = Math.cos(phi) * radius; + this.z = sinPhiRadius * Math.cos(theta); + return this; + } + setFromCylindrical(c) { + return this.setFromCylindricalCoords(c.radius, c.theta, c.y); + } + setFromCylindricalCoords(radius, theta, y) { + this.x = radius * Math.sin(theta); + this.y = y; + this.z = radius * Math.cos(theta); + return this; + } + setFromMatrixPosition(m) { + const e = m.elements; + this.x = e[12]; + this.y = e[13]; + this.z = e[14]; + return this; + } + setFromMatrixScale(m) { + const sx = this.setFromMatrixColumn(m, 0).length(); + const sy = this.setFromMatrixColumn(m, 1).length(); + const sz = this.setFromMatrixColumn(m, 2).length(); + this.x = sx; + this.y = sy; + this.z = sz; + return this; + } + setFromMatrixColumn(m, index) { + return this.fromArray(m.elements, index * 4); + } + setFromMatrix3Column(m, index) { + return this.fromArray(m.elements, index * 3); + } + setFromEuler(e) { + this.x = e._x; + this.y = e._y; + this.z = e._z; + return this; + } + setFromColor(c) { + this.x = c.r; + this.y = c.g; + this.z = c.b; + return this; + } + equals(v) { + return v.x === this.x && v.y === this.y && v.z === this.z; + } + fromArray(array, offset = 0) { + this.x = array[offset]; + this.y = array[offset + 1]; + this.z = array[offset + 2]; + return this; + } + toArray(array = [], offset = 0) { + array[offset] = this.x; + array[offset + 1] = this.y; + array[offset + 2] = this.z; + return array; + } + fromBufferAttribute(attribute, index) { + this.x = attribute.getX(index); + this.y = attribute.getY(index); + this.z = attribute.getZ(index); + return this; + } + random() { + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + return this; + } + randomDirection() { + const u = (Math.random() - 0.5) * 2; + const t = Math.random() * Math.PI * 2; + const f = Math.sqrt(1 - u ** 2); + this.x = f * Math.cos(t); + this.y = f * Math.sin(t); + this.z = u; + return this; + } + *[Symbol.iterator]() { + yield this.x; + yield this.y; + yield this.z; + } +} +const _vector$c = /* @__PURE__ */ new Vector3(); +const _quaternion$4 = /* @__PURE__ */ new Quaternion(); +class Box3 { + constructor(min = new Vector3(Infinity, Infinity, Infinity), max = new Vector3(-Infinity, -Infinity, -Infinity)) { + this.isBox3 = true; + this.min = min; + this.max = max; + } + set(min, max) { + this.min.copy(min); + this.max.copy(max); + return this; + } + setFromArray(array) { + this.makeEmpty(); + for (let i = 0, il = array.length; i < il; i += 3) { + this.expandByPoint(_vector$b.fromArray(array, i)); + } + return this; + } + setFromBufferAttribute(attribute) { + this.makeEmpty(); + for (let i = 0, il = attribute.count; i < il; i++) { + this.expandByPoint(_vector$b.fromBufferAttribute(attribute, i)); + } + return this; + } + setFromPoints(points) { + this.makeEmpty(); + for (let i = 0, il = points.length; i < il; i++) { + this.expandByPoint(points[i]); + } + return this; + } + setFromCenterAndSize(center, size) { + const halfSize = _vector$b.copy(size).multiplyScalar(0.5); + this.min.copy(center).sub(halfSize); + this.max.copy(center).add(halfSize); + return this; + } + setFromObject(object, precise = false) { + this.makeEmpty(); + return this.expandByObject(object, precise); + } + clone() { + return new this.constructor().copy(this); + } + copy(box) { + this.min.copy(box.min); + this.max.copy(box.max); + return this; + } + makeEmpty() { + this.min.x = this.min.y = this.min.z = Infinity; + this.max.x = this.max.y = this.max.z = -Infinity; + return this; + } + isEmpty() { + return this.max.x < this.min.x || this.max.y < this.min.y || this.max.z < this.min.z; + } + getCenter(target) { + return this.isEmpty() ? target.set(0, 0, 0) : target.addVectors(this.min, this.max).multiplyScalar(0.5); + } + getSize(target) { + return this.isEmpty() ? target.set(0, 0, 0) : target.subVectors(this.max, this.min); + } + expandByPoint(point) { + this.min.min(point); + this.max.max(point); + return this; + } + expandByVector(vector) { + this.min.sub(vector); + this.max.add(vector); + return this; + } + expandByScalar(scalar) { + this.min.addScalar(-scalar); + this.max.addScalar(scalar); + return this; + } + expandByObject(object, precise = false) { + object.updateWorldMatrix(false, false); + const geometry = object.geometry; + if (geometry !== void 0) { + const positionAttribute = geometry.getAttribute("position"); + if (precise === true && positionAttribute !== void 0 && object.isInstancedMesh !== true) { + for (let i = 0, l = positionAttribute.count; i < l; i++) { + if (object.isMesh === true) { + object.getVertexPosition(i, _vector$b); + } else { + _vector$b.fromBufferAttribute(positionAttribute, i); + } + _vector$b.applyMatrix4(object.matrixWorld); + this.expandByPoint(_vector$b); + } + } else { + if (object.boundingBox !== void 0) { + if (object.boundingBox === null) { + object.computeBoundingBox(); + } + _box$4.copy(object.boundingBox); + } else { + if (geometry.boundingBox === null) { + geometry.computeBoundingBox(); + } + _box$4.copy(geometry.boundingBox); + } + _box$4.applyMatrix4(object.matrixWorld); + this.union(_box$4); + } + } + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + this.expandByObject(children[i], precise); + } + return this; + } + containsPoint(point) { + return point.x < this.min.x || point.x > this.max.x || point.y < this.min.y || point.y > this.max.y || point.z < this.min.z || point.z > this.max.z ? false : true; + } + containsBox(box) { + return this.min.x <= box.min.x && box.max.x <= this.max.x && this.min.y <= box.min.y && box.max.y <= this.max.y && this.min.z <= box.min.z && box.max.z <= this.max.z; + } + getParameter(point, target) { + return target.set( + (point.x - this.min.x) / (this.max.x - this.min.x), + (point.y - this.min.y) / (this.max.y - this.min.y), + (point.z - this.min.z) / (this.max.z - this.min.z) + ); + } + intersectsBox(box) { + return box.max.x < this.min.x || box.min.x > this.max.x || box.max.y < this.min.y || box.min.y > this.max.y || box.max.z < this.min.z || box.min.z > this.max.z ? false : true; + } + intersectsSphere(sphere) { + this.clampPoint(sphere.center, _vector$b); + return _vector$b.distanceToSquared(sphere.center) <= sphere.radius * sphere.radius; + } + intersectsPlane(plane) { + let min, max; + if (plane.normal.x > 0) { + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + } else { + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + } + if (plane.normal.y > 0) { + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + } else { + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + } + if (plane.normal.z > 0) { + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + } else { + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + } + return min <= -plane.constant && max >= -plane.constant; + } + intersectsTriangle(triangle) { + if (this.isEmpty()) { + return false; + } + this.getCenter(_center); + _extents.subVectors(this.max, _center); + _v0$2.subVectors(triangle.a, _center); + _v1$7.subVectors(triangle.b, _center); + _v2$4.subVectors(triangle.c, _center); + _f0.subVectors(_v1$7, _v0$2); + _f1.subVectors(_v2$4, _v1$7); + _f2.subVectors(_v0$2, _v2$4); + let axes = [ + 0, + -_f0.z, + _f0.y, + 0, + -_f1.z, + _f1.y, + 0, + -_f2.z, + _f2.y, + _f0.z, + 0, + -_f0.x, + _f1.z, + 0, + -_f1.x, + _f2.z, + 0, + -_f2.x, + -_f0.y, + _f0.x, + 0, + -_f1.y, + _f1.x, + 0, + -_f2.y, + _f2.x, + 0 + ]; + if (!satForAxes(axes, _v0$2, _v1$7, _v2$4, _extents)) { + return false; + } + axes = [1, 0, 0, 0, 1, 0, 0, 0, 1]; + if (!satForAxes(axes, _v0$2, _v1$7, _v2$4, _extents)) { + return false; + } + _triangleNormal.crossVectors(_f0, _f1); + axes = [_triangleNormal.x, _triangleNormal.y, _triangleNormal.z]; + return satForAxes(axes, _v0$2, _v1$7, _v2$4, _extents); + } + clampPoint(point, target) { + return target.copy(point).clamp(this.min, this.max); + } + distanceToPoint(point) { + return this.clampPoint(point, _vector$b).distanceTo(point); + } + getBoundingSphere(target) { + if (this.isEmpty()) { + target.makeEmpty(); + } else { + this.getCenter(target.center); + target.radius = this.getSize(_vector$b).length() * 0.5; + } + return target; + } + intersect(box) { + this.min.max(box.min); + this.max.min(box.max); + if (this.isEmpty()) + this.makeEmpty(); + return this; + } + union(box) { + this.min.min(box.min); + this.max.max(box.max); + return this; + } + applyMatrix4(matrix) { + if (this.isEmpty()) + return this; + _points[0].set(this.min.x, this.min.y, this.min.z).applyMatrix4(matrix); + _points[1].set(this.min.x, this.min.y, this.max.z).applyMatrix4(matrix); + _points[2].set(this.min.x, this.max.y, this.min.z).applyMatrix4(matrix); + _points[3].set(this.min.x, this.max.y, this.max.z).applyMatrix4(matrix); + _points[4].set(this.max.x, this.min.y, this.min.z).applyMatrix4(matrix); + _points[5].set(this.max.x, this.min.y, this.max.z).applyMatrix4(matrix); + _points[6].set(this.max.x, this.max.y, this.min.z).applyMatrix4(matrix); + _points[7].set(this.max.x, this.max.y, this.max.z).applyMatrix4(matrix); + this.setFromPoints(_points); + return this; + } + translate(offset) { + this.min.add(offset); + this.max.add(offset); + return this; + } + equals(box) { + return box.min.equals(this.min) && box.max.equals(this.max); + } +} +const _points = [ + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3(), + /* @__PURE__ */ new Vector3() +]; +const _vector$b = /* @__PURE__ */ new Vector3(); +const _box$4 = /* @__PURE__ */ new Box3(); +const _v0$2 = /* @__PURE__ */ new Vector3(); +const _v1$7 = /* @__PURE__ */ new Vector3(); +const _v2$4 = /* @__PURE__ */ new Vector3(); +const _f0 = /* @__PURE__ */ new Vector3(); +const _f1 = /* @__PURE__ */ new Vector3(); +const _f2 = /* @__PURE__ */ new Vector3(); +const _center = /* @__PURE__ */ new Vector3(); +const _extents = /* @__PURE__ */ new Vector3(); +const _triangleNormal = /* @__PURE__ */ new Vector3(); +const _testAxis = /* @__PURE__ */ new Vector3(); +function satForAxes(axes, v0, v12, v22, extents) { + for (let i = 0, j = axes.length - 3; i <= j; i += 3) { + _testAxis.fromArray(axes, i); + const r = extents.x * Math.abs(_testAxis.x) + extents.y * Math.abs(_testAxis.y) + extents.z * Math.abs(_testAxis.z); + const p0 = v0.dot(_testAxis); + const p1 = v12.dot(_testAxis); + const p2 = v22.dot(_testAxis); + if (Math.max(-Math.max(p0, p1, p2), Math.min(p0, p1, p2)) > r) { + return false; + } + } + return true; +} +const _box$3 = /* @__PURE__ */ new Box3(); +const _v1$6 = /* @__PURE__ */ new Vector3(); +const _v2$3 = /* @__PURE__ */ new Vector3(); +class Sphere { + constructor(center = new Vector3(), radius = -1) { + this.center = center; + this.radius = radius; + } + set(center, radius) { + this.center.copy(center); + this.radius = radius; + return this; + } + setFromPoints(points, optionalCenter) { + const center = this.center; + if (optionalCenter !== void 0) { + center.copy(optionalCenter); + } else { + _box$3.setFromPoints(points).getCenter(center); + } + let maxRadiusSq = 0; + for (let i = 0, il = points.length; i < il; i++) { + maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(points[i])); + } + this.radius = Math.sqrt(maxRadiusSq); + return this; + } + copy(sphere) { + this.center.copy(sphere.center); + this.radius = sphere.radius; + return this; + } + isEmpty() { + return this.radius < 0; + } + makeEmpty() { + this.center.set(0, 0, 0); + this.radius = -1; + return this; + } + containsPoint(point) { + return point.distanceToSquared(this.center) <= this.radius * this.radius; + } + distanceToPoint(point) { + return point.distanceTo(this.center) - this.radius; + } + intersectsSphere(sphere) { + const radiusSum = this.radius + sphere.radius; + return sphere.center.distanceToSquared(this.center) <= radiusSum * radiusSum; + } + intersectsBox(box) { + return box.intersectsSphere(this); + } + intersectsPlane(plane) { + return Math.abs(plane.distanceToPoint(this.center)) <= this.radius; + } + clampPoint(point, target) { + const deltaLengthSq = this.center.distanceToSquared(point); + target.copy(point); + if (deltaLengthSq > this.radius * this.radius) { + target.sub(this.center).normalize(); + target.multiplyScalar(this.radius).add(this.center); + } + return target; + } + getBoundingBox(target) { + if (this.isEmpty()) { + target.makeEmpty(); + return target; + } + target.set(this.center, this.center); + target.expandByScalar(this.radius); + return target; + } + applyMatrix4(matrix) { + this.center.applyMatrix4(matrix); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + return this; + } + translate(offset) { + this.center.add(offset); + return this; + } + expandByPoint(point) { + if (this.isEmpty()) { + this.center.copy(point); + this.radius = 0; + return this; + } + _v1$6.subVectors(point, this.center); + const lengthSq = _v1$6.lengthSq(); + if (lengthSq > this.radius * this.radius) { + const length = Math.sqrt(lengthSq); + const delta = (length - this.radius) * 0.5; + this.center.addScaledVector(_v1$6, delta / length); + this.radius += delta; + } + return this; + } + union(sphere) { + if (sphere.isEmpty()) { + return this; + } + if (this.isEmpty()) { + this.copy(sphere); + return this; + } + if (this.center.equals(sphere.center) === true) { + this.radius = Math.max(this.radius, sphere.radius); + } else { + _v2$3.subVectors(sphere.center, this.center).setLength(sphere.radius); + this.expandByPoint(_v1$6.copy(sphere.center).add(_v2$3)); + this.expandByPoint(_v1$6.copy(sphere.center).sub(_v2$3)); + } + return this; + } + equals(sphere) { + return sphere.center.equals(this.center) && sphere.radius === this.radius; + } + clone() { + return new this.constructor().copy(this); + } +} +const _vector$a = /* @__PURE__ */ new Vector3(); +const _segCenter = /* @__PURE__ */ new Vector3(); +const _segDir = /* @__PURE__ */ new Vector3(); +const _diff = /* @__PURE__ */ new Vector3(); +const _edge1 = /* @__PURE__ */ new Vector3(); +const _edge2 = /* @__PURE__ */ new Vector3(); +const _normal$1 = /* @__PURE__ */ new Vector3(); +class Ray { + constructor(origin = new Vector3(), direction = new Vector3(0, 0, -1)) { + this.origin = origin; + this.direction = direction; + } + set(origin, direction) { + this.origin.copy(origin); + this.direction.copy(direction); + return this; + } + copy(ray) { + this.origin.copy(ray.origin); + this.direction.copy(ray.direction); + return this; + } + at(t, target) { + return target.copy(this.origin).addScaledVector(this.direction, t); + } + lookAt(v) { + this.direction.copy(v).sub(this.origin).normalize(); + return this; + } + recast(t) { + this.origin.copy(this.at(t, _vector$a)); + return this; + } + closestPointToPoint(point, target) { + target.subVectors(point, this.origin); + const directionDistance = target.dot(this.direction); + if (directionDistance < 0) { + return target.copy(this.origin); + } + return target.copy(this.origin).addScaledVector(this.direction, directionDistance); + } + distanceToPoint(point) { + return Math.sqrt(this.distanceSqToPoint(point)); + } + distanceSqToPoint(point) { + const directionDistance = _vector$a.subVectors(point, this.origin).dot(this.direction); + if (directionDistance < 0) { + return this.origin.distanceToSquared(point); + } + _vector$a.copy(this.origin).addScaledVector(this.direction, directionDistance); + return _vector$a.distanceToSquared(point); + } + distanceSqToSegment(v0, v12, optionalPointOnRay, optionalPointOnSegment) { + _segCenter.copy(v0).add(v12).multiplyScalar(0.5); + _segDir.copy(v12).sub(v0).normalize(); + _diff.copy(this.origin).sub(_segCenter); + const segExtent = v0.distanceTo(v12) * 0.5; + const a01 = -this.direction.dot(_segDir); + const b0 = _diff.dot(this.direction); + const b1 = -_diff.dot(_segDir); + const c = _diff.lengthSq(); + const det = Math.abs(1 - a01 * a01); + let s0, s1, sqrDist, extDet; + if (det > 0) { + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + if (s0 >= 0) { + if (s1 >= -extDet) { + if (s1 <= extDet) { + const invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * (s0 + a01 * s1 + 2 * b0) + s1 * (a01 * s0 + s1 + 2 * b1) + c; + } else { + s1 = segExtent; + s0 = Math.max(0, -(a01 * s1 + b0)); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + } else { + s1 = -segExtent; + s0 = Math.max(0, -(a01 * s1 + b0)); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + } else { + if (s1 <= -extDet) { + s0 = Math.max(0, -(-a01 * segExtent + b0)); + s1 = s0 > 0 ? -segExtent : Math.min(Math.max(-segExtent, -b1), segExtent); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } else if (s1 <= extDet) { + s0 = 0; + s1 = Math.min(Math.max(-segExtent, -b1), segExtent); + sqrDist = s1 * (s1 + 2 * b1) + c; + } else { + s0 = Math.max(0, -(a01 * segExtent + b0)); + s1 = s0 > 0 ? segExtent : Math.min(Math.max(-segExtent, -b1), segExtent); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + } + } else { + s1 = a01 > 0 ? -segExtent : segExtent; + s0 = Math.max(0, -(a01 * s1 + b0)); + sqrDist = -s0 * s0 + s1 * (s1 + 2 * b1) + c; + } + if (optionalPointOnRay) { + optionalPointOnRay.copy(this.origin).addScaledVector(this.direction, s0); + } + if (optionalPointOnSegment) { + optionalPointOnSegment.copy(_segCenter).addScaledVector(_segDir, s1); + } + return sqrDist; + } + intersectSphere(sphere, target) { + _vector$a.subVectors(sphere.center, this.origin); + const tca = _vector$a.dot(this.direction); + const d2 = _vector$a.dot(_vector$a) - tca * tca; + const radius2 = sphere.radius * sphere.radius; + if (d2 > radius2) + return null; + const thc = Math.sqrt(radius2 - d2); + const t0 = tca - thc; + const t1 = tca + thc; + if (t1 < 0) + return null; + if (t0 < 0) + return this.at(t1, target); + return this.at(t0, target); + } + intersectsSphere(sphere) { + return this.distanceSqToPoint(sphere.center) <= sphere.radius * sphere.radius; + } + distanceToPlane(plane) { + const denominator = plane.normal.dot(this.direction); + if (denominator === 0) { + if (plane.distanceToPoint(this.origin) === 0) { + return 0; + } + return null; + } + const t = -(this.origin.dot(plane.normal) + plane.constant) / denominator; + return t >= 0 ? t : null; + } + intersectPlane(plane, target) { + const t = this.distanceToPlane(plane); + if (t === null) { + return null; + } + return this.at(t, target); + } + intersectsPlane(plane) { + const distToPoint = plane.distanceToPoint(this.origin); + if (distToPoint === 0) { + return true; + } + const denominator = plane.normal.dot(this.direction); + if (denominator * distToPoint < 0) { + return true; + } + return false; + } + intersectBox(box, target) { + let tmin, tmax, tymin, tymax, tzmin, tzmax; + const invdirx = 1 / this.direction.x, invdiry = 1 / this.direction.y, invdirz = 1 / this.direction.z; + const origin = this.origin; + if (invdirx >= 0) { + tmin = (box.min.x - origin.x) * invdirx; + tmax = (box.max.x - origin.x) * invdirx; + } else { + tmin = (box.max.x - origin.x) * invdirx; + tmax = (box.min.x - origin.x) * invdirx; + } + if (invdiry >= 0) { + tymin = (box.min.y - origin.y) * invdiry; + tymax = (box.max.y - origin.y) * invdiry; + } else { + tymin = (box.max.y - origin.y) * invdiry; + tymax = (box.min.y - origin.y) * invdiry; + } + if (tmin > tymax || tymin > tmax) + return null; + if (tymin > tmin || isNaN(tmin)) + tmin = tymin; + if (tymax < tmax || isNaN(tmax)) + tmax = tymax; + if (invdirz >= 0) { + tzmin = (box.min.z - origin.z) * invdirz; + tzmax = (box.max.z - origin.z) * invdirz; + } else { + tzmin = (box.max.z - origin.z) * invdirz; + tzmax = (box.min.z - origin.z) * invdirz; + } + if (tmin > tzmax || tzmin > tmax) + return null; + if (tzmin > tmin || tmin !== tmin) + tmin = tzmin; + if (tzmax < tmax || tmax !== tmax) + tmax = tzmax; + if (tmax < 0) + return null; + return this.at(tmin >= 0 ? tmin : tmax, target); + } + intersectsBox(box) { + return this.intersectBox(box, _vector$a) !== null; + } + intersectTriangle(a, b, c, backfaceCulling, target) { + _edge1.subVectors(b, a); + _edge2.subVectors(c, a); + _normal$1.crossVectors(_edge1, _edge2); + let DdN = this.direction.dot(_normal$1); + let sign2; + if (DdN > 0) { + if (backfaceCulling) + return null; + sign2 = 1; + } else if (DdN < 0) { + sign2 = -1; + DdN = -DdN; + } else { + return null; + } + _diff.subVectors(this.origin, a); + const DdQxE2 = sign2 * this.direction.dot(_edge2.crossVectors(_diff, _edge2)); + if (DdQxE2 < 0) { + return null; + } + const DdE1xQ = sign2 * this.direction.dot(_edge1.cross(_diff)); + if (DdE1xQ < 0) { + return null; + } + if (DdQxE2 + DdE1xQ > DdN) { + return null; + } + const QdN = -sign2 * _diff.dot(_normal$1); + if (QdN < 0) { + return null; + } + return this.at(QdN / DdN, target); + } + applyMatrix4(matrix4) { + this.origin.applyMatrix4(matrix4); + this.direction.transformDirection(matrix4); + return this; + } + equals(ray) { + return ray.origin.equals(this.origin) && ray.direction.equals(this.direction); + } + clone() { + return new this.constructor().copy(this); + } +} +class Matrix4 { + constructor(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44) { + Matrix4.prototype.isMatrix4 = true; + this.elements = [ + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ]; + if (n11 !== void 0) { + this.set(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44); + } + } + set(n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44) { + const te = this.elements; + te[0] = n11; + te[4] = n12; + te[8] = n13; + te[12] = n14; + te[1] = n21; + te[5] = n22; + te[9] = n23; + te[13] = n24; + te[2] = n31; + te[6] = n32; + te[10] = n33; + te[14] = n34; + te[3] = n41; + te[7] = n42; + te[11] = n43; + te[15] = n44; + return this; + } + identity() { + this.set( + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + clone() { + return new Matrix4().fromArray(this.elements); + } + copy(m) { + const te = this.elements; + const me = m.elements; + te[0] = me[0]; + te[1] = me[1]; + te[2] = me[2]; + te[3] = me[3]; + te[4] = me[4]; + te[5] = me[5]; + te[6] = me[6]; + te[7] = me[7]; + te[8] = me[8]; + te[9] = me[9]; + te[10] = me[10]; + te[11] = me[11]; + te[12] = me[12]; + te[13] = me[13]; + te[14] = me[14]; + te[15] = me[15]; + return this; + } + copyPosition(m) { + const te = this.elements, me = m.elements; + te[12] = me[12]; + te[13] = me[13]; + te[14] = me[14]; + return this; + } + setFromMatrix3(m) { + const me = m.elements; + this.set( + me[0], + me[3], + me[6], + 0, + me[1], + me[4], + me[7], + 0, + me[2], + me[5], + me[8], + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + extractBasis(xAxis, yAxis, zAxis) { + xAxis.setFromMatrixColumn(this, 0); + yAxis.setFromMatrixColumn(this, 1); + zAxis.setFromMatrixColumn(this, 2); + return this; + } + makeBasis(xAxis, yAxis, zAxis) { + this.set( + xAxis.x, + yAxis.x, + zAxis.x, + 0, + xAxis.y, + yAxis.y, + zAxis.y, + 0, + xAxis.z, + yAxis.z, + zAxis.z, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + extractRotation(m) { + const te = this.elements; + const me = m.elements; + const scaleX = 1 / _v1$5.setFromMatrixColumn(m, 0).length(); + const scaleY = 1 / _v1$5.setFromMatrixColumn(m, 1).length(); + const scaleZ = 1 / _v1$5.setFromMatrixColumn(m, 2).length(); + te[0] = me[0] * scaleX; + te[1] = me[1] * scaleX; + te[2] = me[2] * scaleX; + te[3] = 0; + te[4] = me[4] * scaleY; + te[5] = me[5] * scaleY; + te[6] = me[6] * scaleY; + te[7] = 0; + te[8] = me[8] * scaleZ; + te[9] = me[9] * scaleZ; + te[10] = me[10] * scaleZ; + te[11] = 0; + te[12] = 0; + te[13] = 0; + te[14] = 0; + te[15] = 1; + return this; + } + makeRotationFromEuler(euler) { + const te = this.elements; + const x = euler.x, y = euler.y, z = euler.z; + const a = Math.cos(x), b = Math.sin(x); + const c = Math.cos(y), d = Math.sin(y); + const e = Math.cos(z), f = Math.sin(z); + if (euler.order === "XYZ") { + const ae = a * e, af = a * f, be = b * e, bf = b * f; + te[0] = c * e; + te[4] = -c * f; + te[8] = d; + te[1] = af + be * d; + te[5] = ae - bf * d; + te[9] = -b * c; + te[2] = bf - ae * d; + te[6] = be + af * d; + te[10] = a * c; + } else if (euler.order === "YXZ") { + const ce = c * e, cf = c * f, de = d * e, df = d * f; + te[0] = ce + df * b; + te[4] = de * b - cf; + te[8] = a * d; + te[1] = a * f; + te[5] = a * e; + te[9] = -b; + te[2] = cf * b - de; + te[6] = df + ce * b; + te[10] = a * c; + } else if (euler.order === "ZXY") { + const ce = c * e, cf = c * f, de = d * e, df = d * f; + te[0] = ce - df * b; + te[4] = -a * f; + te[8] = de + cf * b; + te[1] = cf + de * b; + te[5] = a * e; + te[9] = df - ce * b; + te[2] = -a * d; + te[6] = b; + te[10] = a * c; + } else if (euler.order === "ZYX") { + const ae = a * e, af = a * f, be = b * e, bf = b * f; + te[0] = c * e; + te[4] = be * d - af; + te[8] = ae * d + bf; + te[1] = c * f; + te[5] = bf * d + ae; + te[9] = af * d - be; + te[2] = -d; + te[6] = b * c; + te[10] = a * c; + } else if (euler.order === "YZX") { + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + te[0] = c * e; + te[4] = bd - ac * f; + te[8] = bc * f + ad; + te[1] = f; + te[5] = a * e; + te[9] = -b * e; + te[2] = -d * e; + te[6] = ad * f + bc; + te[10] = ac - bd * f; + } else if (euler.order === "XZY") { + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + te[0] = c * e; + te[4] = -f; + te[8] = d * e; + te[1] = ac * f + bd; + te[5] = a * e; + te[9] = ad * f - bc; + te[2] = bc * f - ad; + te[6] = b * e; + te[10] = bd * f + ac; + } + te[3] = 0; + te[7] = 0; + te[11] = 0; + te[12] = 0; + te[13] = 0; + te[14] = 0; + te[15] = 1; + return this; + } + makeRotationFromQuaternion(q) { + return this.compose(_zero, q, _one); + } + lookAt(eye, target, up) { + const te = this.elements; + _z.subVectors(eye, target); + if (_z.lengthSq() === 0) { + _z.z = 1; + } + _z.normalize(); + _x.crossVectors(up, _z); + if (_x.lengthSq() === 0) { + if (Math.abs(up.z) === 1) { + _z.x += 1e-4; + } else { + _z.z += 1e-4; + } + _z.normalize(); + _x.crossVectors(up, _z); + } + _x.normalize(); + _y.crossVectors(_z, _x); + te[0] = _x.x; + te[4] = _y.x; + te[8] = _z.x; + te[1] = _x.y; + te[5] = _y.y; + te[9] = _z.y; + te[2] = _x.z; + te[6] = _y.z; + te[10] = _z.z; + return this; + } + multiply(m) { + return this.multiplyMatrices(this, m); + } + premultiply(m) { + return this.multiplyMatrices(m, this); + } + multiplyMatrices(a, b) { + const ae = a.elements; + const be = b.elements; + const te = this.elements; + const a11 = ae[0], a12 = ae[4], a13 = ae[8], a14 = ae[12]; + const a21 = ae[1], a22 = ae[5], a23 = ae[9], a24 = ae[13]; + const a31 = ae[2], a32 = ae[6], a33 = ae[10], a34 = ae[14]; + const a41 = ae[3], a42 = ae[7], a43 = ae[11], a44 = ae[15]; + const b11 = be[0], b12 = be[4], b13 = be[8], b14 = be[12]; + const b21 = be[1], b22 = be[5], b23 = be[9], b24 = be[13]; + const b31 = be[2], b32 = be[6], b33 = be[10], b34 = be[14]; + const b41 = be[3], b42 = be[7], b43 = be[11], b44 = be[15]; + te[0] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[4] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[8] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[12] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + te[1] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[5] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[9] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[13] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + te[2] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[6] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[10] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[14] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + te[3] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[7] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[11] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[15] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + return this; + } + multiplyScalar(s) { + const te = this.elements; + te[0] *= s; + te[4] *= s; + te[8] *= s; + te[12] *= s; + te[1] *= s; + te[5] *= s; + te[9] *= s; + te[13] *= s; + te[2] *= s; + te[6] *= s; + te[10] *= s; + te[14] *= s; + te[3] *= s; + te[7] *= s; + te[11] *= s; + te[15] *= s; + return this; + } + determinant() { + const te = this.elements; + const n11 = te[0], n12 = te[4], n13 = te[8], n14 = te[12]; + const n21 = te[1], n22 = te[5], n23 = te[9], n24 = te[13]; + const n31 = te[2], n32 = te[6], n33 = te[10], n34 = te[14]; + const n41 = te[3], n42 = te[7], n43 = te[11], n44 = te[15]; + return n41 * (+n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34) + n42 * (+n11 * n23 * n34 - n11 * n24 * n33 + n14 * n21 * n33 - n13 * n21 * n34 + n13 * n24 * n31 - n14 * n23 * n31) + n43 * (+n11 * n24 * n32 - n11 * n22 * n34 - n14 * n21 * n32 + n12 * n21 * n34 + n14 * n22 * n31 - n12 * n24 * n31) + n44 * (-n13 * n22 * n31 - n11 * n23 * n32 + n11 * n22 * n33 + n13 * n21 * n32 - n12 * n21 * n33 + n12 * n23 * n31); + } + transpose() { + const te = this.elements; + let tmp2; + tmp2 = te[1]; + te[1] = te[4]; + te[4] = tmp2; + tmp2 = te[2]; + te[2] = te[8]; + te[8] = tmp2; + tmp2 = te[6]; + te[6] = te[9]; + te[9] = tmp2; + tmp2 = te[3]; + te[3] = te[12]; + te[12] = tmp2; + tmp2 = te[7]; + te[7] = te[13]; + te[13] = tmp2; + tmp2 = te[11]; + te[11] = te[14]; + te[14] = tmp2; + return this; + } + setPosition(x, y, z) { + const te = this.elements; + if (x.isVector3) { + te[12] = x.x; + te[13] = x.y; + te[14] = x.z; + } else { + te[12] = x; + te[13] = y; + te[14] = z; + } + return this; + } + invert() { + const te = this.elements, n11 = te[0], n21 = te[1], n31 = te[2], n41 = te[3], n12 = te[4], n22 = te[5], n32 = te[6], n42 = te[7], n13 = te[8], n23 = te[9], n33 = te[10], n43 = te[11], n14 = te[12], n24 = te[13], n34 = te[14], n44 = te[15], t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + if (det === 0) + return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); + const detInv = 1 / det; + te[0] = t11 * detInv; + te[1] = (n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44) * detInv; + te[2] = (n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44) * detInv; + te[3] = (n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43) * detInv; + te[4] = t12 * detInv; + te[5] = (n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44) * detInv; + te[6] = (n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44) * detInv; + te[7] = (n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43) * detInv; + te[8] = t13 * detInv; + te[9] = (n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44) * detInv; + te[10] = (n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44) * detInv; + te[11] = (n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43) * detInv; + te[12] = t14 * detInv; + te[13] = (n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34) * detInv; + te[14] = (n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34) * detInv; + te[15] = (n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33) * detInv; + return this; + } + scale(v) { + const te = this.elements; + const x = v.x, y = v.y, z = v.z; + te[0] *= x; + te[4] *= y; + te[8] *= z; + te[1] *= x; + te[5] *= y; + te[9] *= z; + te[2] *= x; + te[6] *= y; + te[10] *= z; + te[3] *= x; + te[7] *= y; + te[11] *= z; + return this; + } + getMaxScaleOnAxis() { + const te = this.elements; + const scaleXSq = te[0] * te[0] + te[1] * te[1] + te[2] * te[2]; + const scaleYSq = te[4] * te[4] + te[5] * te[5] + te[6] * te[6]; + const scaleZSq = te[8] * te[8] + te[9] * te[9] + te[10] * te[10]; + return Math.sqrt(Math.max(scaleXSq, scaleYSq, scaleZSq)); + } + makeTranslation(x, y, z) { + if (x.isVector3) { + this.set( + 1, + 0, + 0, + x.x, + 0, + 1, + 0, + x.y, + 0, + 0, + 1, + x.z, + 0, + 0, + 0, + 1 + ); + } else { + this.set( + 1, + 0, + 0, + x, + 0, + 1, + 0, + y, + 0, + 0, + 1, + z, + 0, + 0, + 0, + 1 + ); + } + return this; + } + makeRotationX(theta) { + const c = Math.cos(theta), s = Math.sin(theta); + this.set( + 1, + 0, + 0, + 0, + 0, + c, + -s, + 0, + 0, + s, + c, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + makeRotationY(theta) { + const c = Math.cos(theta), s = Math.sin(theta); + this.set( + c, + 0, + s, + 0, + 0, + 1, + 0, + 0, + -s, + 0, + c, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + makeRotationZ(theta) { + const c = Math.cos(theta), s = Math.sin(theta); + this.set( + c, + -s, + 0, + 0, + s, + c, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + makeRotationAxis(axis, angle) { + const c = Math.cos(angle); + const s = Math.sin(angle); + const t = 1 - c; + const x = axis.x, y = axis.y, z = axis.z; + const tx = t * x, ty = t * y; + this.set( + tx * x + c, + tx * y - s * z, + tx * z + s * y, + 0, + tx * y + s * z, + ty * y + c, + ty * z - s * x, + 0, + tx * z - s * y, + ty * z + s * x, + t * z * z + c, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + makeScale(x, y, z) { + this.set( + x, + 0, + 0, + 0, + 0, + y, + 0, + 0, + 0, + 0, + z, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + makeShear(xy, xz, yx, yz, zx, zy) { + this.set( + 1, + yx, + zx, + 0, + xy, + 1, + zy, + 0, + xz, + yz, + 1, + 0, + 0, + 0, + 0, + 1 + ); + return this; + } + compose(position, quaternion, scale) { + const te = this.elements; + const x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; + const x2 = x + x, y2 = y + y, z2 = z + z; + const xx = x * x2, xy = x * y2, xz = x * z2; + const yy = y * y2, yz = y * z2, zz = z * z2; + const wx = w * x2, wy = w * y2, wz = w * z2; + const sx = scale.x, sy = scale.y, sz = scale.z; + te[0] = (1 - (yy + zz)) * sx; + te[1] = (xy + wz) * sx; + te[2] = (xz - wy) * sx; + te[3] = 0; + te[4] = (xy - wz) * sy; + te[5] = (1 - (xx + zz)) * sy; + te[6] = (yz + wx) * sy; + te[7] = 0; + te[8] = (xz + wy) * sz; + te[9] = (yz - wx) * sz; + te[10] = (1 - (xx + yy)) * sz; + te[11] = 0; + te[12] = position.x; + te[13] = position.y; + te[14] = position.z; + te[15] = 1; + return this; + } + decompose(position, quaternion, scale) { + const te = this.elements; + let sx = _v1$5.set(te[0], te[1], te[2]).length(); + const sy = _v1$5.set(te[4], te[5], te[6]).length(); + const sz = _v1$5.set(te[8], te[9], te[10]).length(); + const det = this.determinant(); + if (det < 0) + sx = -sx; + position.x = te[12]; + position.y = te[13]; + position.z = te[14]; + _m1$2.copy(this); + const invSX = 1 / sx; + const invSY = 1 / sy; + const invSZ = 1 / sz; + _m1$2.elements[0] *= invSX; + _m1$2.elements[1] *= invSX; + _m1$2.elements[2] *= invSX; + _m1$2.elements[4] *= invSY; + _m1$2.elements[5] *= invSY; + _m1$2.elements[6] *= invSY; + _m1$2.elements[8] *= invSZ; + _m1$2.elements[9] *= invSZ; + _m1$2.elements[10] *= invSZ; + quaternion.setFromRotationMatrix(_m1$2); + scale.x = sx; + scale.y = sy; + scale.z = sz; + return this; + } + makePerspective(left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem) { + const te = this.elements; + const x = 2 * near / (right - left); + const y = 2 * near / (top - bottom); + const a = (right + left) / (right - left); + const b = (top + bottom) / (top - bottom); + let c, d; + if (coordinateSystem === WebGLCoordinateSystem) { + c = -(far + near) / (far - near); + d = -2 * far * near / (far - near); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + c = -far / (far - near); + d = -far * near / (far - near); + } else { + throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: " + coordinateSystem); + } + te[0] = x; + te[4] = 0; + te[8] = a; + te[12] = 0; + te[1] = 0; + te[5] = y; + te[9] = b; + te[13] = 0; + te[2] = 0; + te[6] = 0; + te[10] = c; + te[14] = d; + te[3] = 0; + te[7] = 0; + te[11] = -1; + te[15] = 0; + return this; + } + makeOrthographic(left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem) { + const te = this.elements; + const w = 1 / (right - left); + const h = 1 / (top - bottom); + const p = 1 / (far - near); + const x = (right + left) * w; + const y = (top + bottom) * h; + let z, zInv; + if (coordinateSystem === WebGLCoordinateSystem) { + z = (far + near) * p; + zInv = -2 * p; + } else if (coordinateSystem === WebGPUCoordinateSystem) { + z = near * p; + zInv = -1 * p; + } else { + throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: " + coordinateSystem); + } + te[0] = 2 * w; + te[4] = 0; + te[8] = 0; + te[12] = -x; + te[1] = 0; + te[5] = 2 * h; + te[9] = 0; + te[13] = -y; + te[2] = 0; + te[6] = 0; + te[10] = zInv; + te[14] = -z; + te[3] = 0; + te[7] = 0; + te[11] = 0; + te[15] = 1; + return this; + } + equals(matrix) { + const te = this.elements; + const me = matrix.elements; + for (let i = 0; i < 16; i++) { + if (te[i] !== me[i]) + return false; + } + return true; + } + fromArray(array, offset = 0) { + for (let i = 0; i < 16; i++) { + this.elements[i] = array[i + offset]; + } + return this; + } + toArray(array = [], offset = 0) { + const te = this.elements; + array[offset] = te[0]; + array[offset + 1] = te[1]; + array[offset + 2] = te[2]; + array[offset + 3] = te[3]; + array[offset + 4] = te[4]; + array[offset + 5] = te[5]; + array[offset + 6] = te[6]; + array[offset + 7] = te[7]; + array[offset + 8] = te[8]; + array[offset + 9] = te[9]; + array[offset + 10] = te[10]; + array[offset + 11] = te[11]; + array[offset + 12] = te[12]; + array[offset + 13] = te[13]; + array[offset + 14] = te[14]; + array[offset + 15] = te[15]; + return array; + } +} +const _v1$5 = /* @__PURE__ */ new Vector3(); +const _m1$2 = /* @__PURE__ */ new Matrix4(); +const _zero = /* @__PURE__ */ new Vector3(0, 0, 0); +const _one = /* @__PURE__ */ new Vector3(1, 1, 1); +const _x = /* @__PURE__ */ new Vector3(); +const _y = /* @__PURE__ */ new Vector3(); +const _z = /* @__PURE__ */ new Vector3(); +const _matrix$1 = /* @__PURE__ */ new Matrix4(); +const _quaternion$3 = /* @__PURE__ */ new Quaternion(); +class Euler { + constructor(x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER) { + this.isEuler = true; + this._x = x; + this._y = y; + this._z = z; + this._order = order; + } + get x() { + return this._x; + } + set x(value) { + this._x = value; + this._onChangeCallback(); + } + get y() { + return this._y; + } + set y(value) { + this._y = value; + this._onChangeCallback(); + } + get z() { + return this._z; + } + set z(value) { + this._z = value; + this._onChangeCallback(); + } + get order() { + return this._order; + } + set order(value) { + this._order = value; + this._onChangeCallback(); + } + set(x, y, z, order = this._order) { + this._x = x; + this._y = y; + this._z = z; + this._order = order; + this._onChangeCallback(); + return this; + } + clone() { + return new this.constructor(this._x, this._y, this._z, this._order); + } + copy(euler) { + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + this._onChangeCallback(); + return this; + } + setFromRotationMatrix(m, order = this._order, update2 = true) { + const te = m.elements; + const m11 = te[0], m12 = te[4], m13 = te[8]; + const m21 = te[1], m22 = te[5], m23 = te[9]; + const m31 = te[2], m32 = te[6], m33 = te[10]; + switch (order) { + case "XYZ": + this._y = Math.asin(clamp(m13, -1, 1)); + if (Math.abs(m13) < 0.9999999) { + this._x = Math.atan2(-m23, m33); + this._z = Math.atan2(-m12, m11); + } else { + this._x = Math.atan2(m32, m22); + this._z = 0; + } + break; + case "YXZ": + this._x = Math.asin(-clamp(m23, -1, 1)); + if (Math.abs(m23) < 0.9999999) { + this._y = Math.atan2(m13, m33); + this._z = Math.atan2(m21, m22); + } else { + this._y = Math.atan2(-m31, m11); + this._z = 0; + } + break; + case "ZXY": + this._x = Math.asin(clamp(m32, -1, 1)); + if (Math.abs(m32) < 0.9999999) { + this._y = Math.atan2(-m31, m33); + this._z = Math.atan2(-m12, m22); + } else { + this._y = 0; + this._z = Math.atan2(m21, m11); + } + break; + case "ZYX": + this._y = Math.asin(-clamp(m31, -1, 1)); + if (Math.abs(m31) < 0.9999999) { + this._x = Math.atan2(m32, m33); + this._z = Math.atan2(m21, m11); + } else { + this._x = 0; + this._z = Math.atan2(-m12, m22); + } + break; + case "YZX": + this._z = Math.asin(clamp(m21, -1, 1)); + if (Math.abs(m21) < 0.9999999) { + this._x = Math.atan2(-m23, m22); + this._y = Math.atan2(-m31, m11); + } else { + this._x = 0; + this._y = Math.atan2(m13, m33); + } + break; + case "XZY": + this._z = Math.asin(-clamp(m12, -1, 1)); + if (Math.abs(m12) < 0.9999999) { + this._x = Math.atan2(m32, m22); + this._y = Math.atan2(m13, m11); + } else { + this._x = Math.atan2(-m23, m33); + this._y = 0; + } + break; + default: + console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: " + order); + } + this._order = order; + if (update2 === true) + this._onChangeCallback(); + return this; + } + setFromQuaternion(q, order, update2) { + _matrix$1.makeRotationFromQuaternion(q); + return this.setFromRotationMatrix(_matrix$1, order, update2); + } + setFromVector3(v, order = this._order) { + return this.set(v.x, v.y, v.z, order); + } + reorder(newOrder) { + _quaternion$3.setFromEuler(this); + return this.setFromQuaternion(_quaternion$3, newOrder); + } + equals(euler) { + return euler._x === this._x && euler._y === this._y && euler._z === this._z && euler._order === this._order; + } + fromArray(array) { + this._x = array[0]; + this._y = array[1]; + this._z = array[2]; + if (array[3] !== void 0) + this._order = array[3]; + this._onChangeCallback(); + return this; + } + toArray(array = [], offset = 0) { + array[offset] = this._x; + array[offset + 1] = this._y; + array[offset + 2] = this._z; + array[offset + 3] = this._order; + return array; + } + _onChange(callback) { + this._onChangeCallback = callback; + return this; + } + _onChangeCallback() { + } + *[Symbol.iterator]() { + yield this._x; + yield this._y; + yield this._z; + yield this._order; + } +} +Euler.DEFAULT_ORDER = "XYZ"; +class Layers { + constructor() { + this.mask = 1 | 0; + } + set(channel) { + this.mask = (1 << channel | 0) >>> 0; + } + enable(channel) { + this.mask |= 1 << channel | 0; + } + enableAll() { + this.mask = 4294967295 | 0; + } + toggle(channel) { + this.mask ^= 1 << channel | 0; + } + disable(channel) { + this.mask &= ~(1 << channel | 0); + } + disableAll() { + this.mask = 0; + } + test(layers) { + return (this.mask & layers.mask) !== 0; + } + isEnabled(channel) { + return (this.mask & (1 << channel | 0)) !== 0; + } +} +let _object3DId = 0; +const _v1$4 = /* @__PURE__ */ new Vector3(); +const _q1 = /* @__PURE__ */ new Quaternion(); +const _m1$1 = /* @__PURE__ */ new Matrix4(); +const _target = /* @__PURE__ */ new Vector3(); +const _position$3 = /* @__PURE__ */ new Vector3(); +const _scale$2 = /* @__PURE__ */ new Vector3(); +const _quaternion$2 = /* @__PURE__ */ new Quaternion(); +const _xAxis = /* @__PURE__ */ new Vector3(1, 0, 0); +const _yAxis = /* @__PURE__ */ new Vector3(0, 1, 0); +const _zAxis = /* @__PURE__ */ new Vector3(0, 0, 1); +const _addedEvent = { type: "added" }; +const _removedEvent = { type: "removed" }; +class Object3D extends EventDispatcher { + constructor() { + super(); + this.isObject3D = true; + Object.defineProperty(this, "id", { value: _object3DId++ }); + this.uuid = generateUUID(); + this.name = ""; + this.type = "Object3D"; + this.parent = null; + this.children = []; + this.up = Object3D.DEFAULT_UP.clone(); + const position = new Vector3(); + const rotation = new Euler(); + const quaternion = new Quaternion(); + const scale = new Vector3(1, 1, 1); + function onRotationChange() { + quaternion.setFromEuler(rotation, false); + } + function onQuaternionChange() { + rotation.setFromQuaternion(quaternion, void 0, false); + } + rotation._onChange(onRotationChange); + quaternion._onChange(onQuaternionChange); + Object.defineProperties(this, { + position: { + configurable: true, + enumerable: true, + value: position + }, + rotation: { + configurable: true, + enumerable: true, + value: rotation + }, + quaternion: { + configurable: true, + enumerable: true, + value: quaternion + }, + scale: { + configurable: true, + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + }); + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + this.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE; + this.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; + this.matrixWorldNeedsUpdate = false; + this.layers = new Layers(); + this.visible = true; + this.castShadow = false; + this.receiveShadow = false; + this.frustumCulled = true; + this.renderOrder = 0; + this.animations = []; + this.userData = {}; + } + onBeforeShadow() { + } + onAfterShadow() { + } + onBeforeRender() { + } + onAfterRender() { + } + applyMatrix4(matrix) { + if (this.matrixAutoUpdate) + this.updateMatrix(); + this.matrix.premultiply(matrix); + this.matrix.decompose(this.position, this.quaternion, this.scale); + } + applyQuaternion(q) { + this.quaternion.premultiply(q); + return this; + } + setRotationFromAxisAngle(axis, angle) { + this.quaternion.setFromAxisAngle(axis, angle); + } + setRotationFromEuler(euler) { + this.quaternion.setFromEuler(euler, true); + } + setRotationFromMatrix(m) { + this.quaternion.setFromRotationMatrix(m); + } + setRotationFromQuaternion(q) { + this.quaternion.copy(q); + } + rotateOnAxis(axis, angle) { + _q1.setFromAxisAngle(axis, angle); + this.quaternion.multiply(_q1); + return this; + } + rotateOnWorldAxis(axis, angle) { + _q1.setFromAxisAngle(axis, angle); + this.quaternion.premultiply(_q1); + return this; + } + rotateX(angle) { + return this.rotateOnAxis(_xAxis, angle); + } + rotateY(angle) { + return this.rotateOnAxis(_yAxis, angle); + } + rotateZ(angle) { + return this.rotateOnAxis(_zAxis, angle); + } + translateOnAxis(axis, distance) { + _v1$4.copy(axis).applyQuaternion(this.quaternion); + this.position.add(_v1$4.multiplyScalar(distance)); + return this; + } + translateX(distance) { + return this.translateOnAxis(_xAxis, distance); + } + translateY(distance) { + return this.translateOnAxis(_yAxis, distance); + } + translateZ(distance) { + return this.translateOnAxis(_zAxis, distance); + } + localToWorld(vector) { + this.updateWorldMatrix(true, false); + return vector.applyMatrix4(this.matrixWorld); + } + worldToLocal(vector) { + this.updateWorldMatrix(true, false); + return vector.applyMatrix4(_m1$1.copy(this.matrixWorld).invert()); + } + lookAt(x, y, z) { + if (x.isVector3) { + _target.copy(x); + } else { + _target.set(x, y, z); + } + const parent = this.parent; + this.updateWorldMatrix(true, false); + _position$3.setFromMatrixPosition(this.matrixWorld); + if (this.isCamera || this.isLight) { + _m1$1.lookAt(_position$3, _target, this.up); + } else { + _m1$1.lookAt(_target, _position$3, this.up); + } + this.quaternion.setFromRotationMatrix(_m1$1); + if (parent) { + _m1$1.extractRotation(parent.matrixWorld); + _q1.setFromRotationMatrix(_m1$1); + this.quaternion.premultiply(_q1.invert()); + } + } + add(object) { + if (arguments.length > 1) { + for (let i = 0; i < arguments.length; i++) { + this.add(arguments[i]); + } + return this; + } + if (object === this) { + console.error("THREE.Object3D.add: object can't be added as a child of itself.", object); + return this; + } + if (object && object.isObject3D) { + if (object.parent !== null) { + object.parent.remove(object); + } + object.parent = this; + this.children.push(object); + object.dispatchEvent(_addedEvent); + } else { + console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.", object); + } + return this; + } + remove(object) { + if (arguments.length > 1) { + for (let i = 0; i < arguments.length; i++) { + this.remove(arguments[i]); + } + return this; + } + const index = this.children.indexOf(object); + if (index !== -1) { + object.parent = null; + this.children.splice(index, 1); + object.dispatchEvent(_removedEvent); + } + return this; + } + removeFromParent() { + const parent = this.parent; + if (parent !== null) { + parent.remove(this); + } + return this; + } + clear() { + return this.remove(...this.children); + } + attach(object) { + this.updateWorldMatrix(true, false); + _m1$1.copy(this.matrixWorld).invert(); + if (object.parent !== null) { + object.parent.updateWorldMatrix(true, false); + _m1$1.multiply(object.parent.matrixWorld); + } + object.applyMatrix4(_m1$1); + this.add(object); + object.updateWorldMatrix(false, true); + return this; + } + getObjectById(id) { + return this.getObjectByProperty("id", id); + } + getObjectByName(name) { + return this.getObjectByProperty("name", name); + } + getObjectByProperty(name, value) { + if (this[name] === value) + return this; + for (let i = 0, l = this.children.length; i < l; i++) { + const child = this.children[i]; + const object = child.getObjectByProperty(name, value); + if (object !== void 0) { + return object; + } + } + return void 0; + } + getObjectsByProperty(name, value, result = []) { + if (this[name] === value) + result.push(this); + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + children[i].getObjectsByProperty(name, value, result); + } + return result; + } + getWorldPosition(target) { + this.updateWorldMatrix(true, false); + return target.setFromMatrixPosition(this.matrixWorld); + } + getWorldQuaternion(target) { + this.updateWorldMatrix(true, false); + this.matrixWorld.decompose(_position$3, target, _scale$2); + return target; + } + getWorldScale(target) { + this.updateWorldMatrix(true, false); + this.matrixWorld.decompose(_position$3, _quaternion$2, target); + return target; + } + getWorldDirection(target) { + this.updateWorldMatrix(true, false); + const e = this.matrixWorld.elements; + return target.set(e[8], e[9], e[10]).normalize(); + } + raycast() { + } + traverse(callback) { + callback(this); + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + children[i].traverse(callback); + } + } + traverseVisible(callback) { + if (this.visible === false) + return; + callback(this); + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + children[i].traverseVisible(callback); + } + } + traverseAncestors(callback) { + const parent = this.parent; + if (parent !== null) { + callback(parent); + parent.traverseAncestors(callback); + } + } + updateMatrix() { + this.matrix.compose(this.position, this.quaternion, this.scale); + this.matrixWorldNeedsUpdate = true; + } + updateMatrixWorld(force) { + if (this.matrixAutoUpdate) + this.updateMatrix(); + if (this.matrixWorldNeedsUpdate || force) { + if (this.parent === null) { + this.matrixWorld.copy(this.matrix); + } else { + this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix); + } + this.matrixWorldNeedsUpdate = false; + force = true; + } + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + const child = children[i]; + if (child.matrixWorldAutoUpdate === true || force === true) { + child.updateMatrixWorld(force); + } + } + } + updateWorldMatrix(updateParents, updateChildren) { + const parent = this.parent; + if (updateParents === true && parent !== null && parent.matrixWorldAutoUpdate === true) { + parent.updateWorldMatrix(true, false); + } + if (this.matrixAutoUpdate) + this.updateMatrix(); + if (this.parent === null) { + this.matrixWorld.copy(this.matrix); + } else { + this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix); + } + if (updateChildren === true) { + const children = this.children; + for (let i = 0, l = children.length; i < l; i++) { + const child = children[i]; + if (child.matrixWorldAutoUpdate === true) { + child.updateWorldMatrix(false, true); + } + } + } + } + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + const output = {}; + if (isRootObject) { + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {}, + shapes: {}, + skeletons: {}, + animations: {}, + nodes: {} + }; + output.metadata = { + version: 4.6, + type: "Object", + generator: "Object3D.toJSON" + }; + } + const object = {}; + object.uuid = this.uuid; + object.type = this.type; + if (this.name !== "") + object.name = this.name; + if (this.castShadow === true) + object.castShadow = true; + if (this.receiveShadow === true) + object.receiveShadow = true; + if (this.visible === false) + object.visible = false; + if (this.frustumCulled === false) + object.frustumCulled = false; + if (this.renderOrder !== 0) + object.renderOrder = this.renderOrder; + if (Object.keys(this.userData).length > 0) + object.userData = this.userData; + object.layers = this.layers.mask; + object.matrix = this.matrix.toArray(); + object.up = this.up.toArray(); + if (this.matrixAutoUpdate === false) + object.matrixAutoUpdate = false; + if (this.isInstancedMesh) { + object.type = "InstancedMesh"; + object.count = this.count; + object.instanceMatrix = this.instanceMatrix.toJSON(); + if (this.instanceColor !== null) + object.instanceColor = this.instanceColor.toJSON(); + } + if (this.isBatchedMesh) { + object.type = "BatchedMesh"; + object.perObjectFrustumCulled = this.perObjectFrustumCulled; + object.sortObjects = this.sortObjects; + object.drawRanges = this._drawRanges; + object.reservedRanges = this._reservedRanges; + object.visibility = this._visibility; + object.active = this._active; + object.bounds = this._bounds.map((bound) => ({ + boxInitialized: bound.boxInitialized, + boxMin: bound.box.min.toArray(), + boxMax: bound.box.max.toArray(), + sphereInitialized: bound.sphereInitialized, + sphereRadius: bound.sphere.radius, + sphereCenter: bound.sphere.center.toArray() + })); + object.maxGeometryCount = this._maxGeometryCount; + object.maxVertexCount = this._maxVertexCount; + object.maxIndexCount = this._maxIndexCount; + object.geometryInitialized = this._geometryInitialized; + object.geometryCount = this._geometryCount; + object.matricesTexture = this._matricesTexture.toJSON(meta); + if (this.boundingSphere !== null) { + object.boundingSphere = { + center: object.boundingSphere.center.toArray(), + radius: object.boundingSphere.radius + }; + } + if (this.boundingBox !== null) { + object.boundingBox = { + min: object.boundingBox.min.toArray(), + max: object.boundingBox.max.toArray() + }; + } + } + function serialize(library, element) { + if (library[element.uuid] === void 0) { + library[element.uuid] = element.toJSON(meta); + } + return element.uuid; + } + if (this.isScene) { + if (this.background) { + if (this.background.isColor) { + object.background = this.background.toJSON(); + } else if (this.background.isTexture) { + object.background = this.background.toJSON(meta).uuid; + } + } + if (this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true) { + object.environment = this.environment.toJSON(meta).uuid; + } + } else if (this.isMesh || this.isLine || this.isPoints) { + object.geometry = serialize(meta.geometries, this.geometry); + const parameters = this.geometry.parameters; + if (parameters !== void 0 && parameters.shapes !== void 0) { + const shapes = parameters.shapes; + if (Array.isArray(shapes)) { + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + serialize(meta.shapes, shape); + } + } else { + serialize(meta.shapes, shapes); + } + } + } + if (this.isSkinnedMesh) { + object.bindMode = this.bindMode; + object.bindMatrix = this.bindMatrix.toArray(); + if (this.skeleton !== void 0) { + serialize(meta.skeletons, this.skeleton); + object.skeleton = this.skeleton.uuid; + } + } + if (this.material !== void 0) { + if (Array.isArray(this.material)) { + const uuids = []; + for (let i = 0, l = this.material.length; i < l; i++) { + uuids.push(serialize(meta.materials, this.material[i])); + } + object.material = uuids; + } else { + object.material = serialize(meta.materials, this.material); + } + } + if (this.children.length > 0) { + object.children = []; + for (let i = 0; i < this.children.length; i++) { + object.children.push(this.children[i].toJSON(meta).object); + } + } + if (this.animations.length > 0) { + object.animations = []; + for (let i = 0; i < this.animations.length; i++) { + const animation = this.animations[i]; + object.animations.push(serialize(meta.animations, animation)); + } + } + if (isRootObject) { + const geometries = extractFromCache(meta.geometries); + const materials = extractFromCache(meta.materials); + const textures = extractFromCache(meta.textures); + const images = extractFromCache(meta.images); + const shapes = extractFromCache(meta.shapes); + const skeletons = extractFromCache(meta.skeletons); + const animations = extractFromCache(meta.animations); + const nodes = extractFromCache(meta.nodes); + if (geometries.length > 0) + output.geometries = geometries; + if (materials.length > 0) + output.materials = materials; + if (textures.length > 0) + output.textures = textures; + if (images.length > 0) + output.images = images; + if (shapes.length > 0) + output.shapes = shapes; + if (skeletons.length > 0) + output.skeletons = skeletons; + if (animations.length > 0) + output.animations = animations; + if (nodes.length > 0) + output.nodes = nodes; + } + output.object = object; + return output; + function extractFromCache(cache) { + const values = []; + for (const key in cache) { + const data = cache[key]; + delete data.metadata; + values.push(data); + } + return values; + } + } + clone(recursive) { + return new this.constructor().copy(this, recursive); + } + copy(source, recursive = true) { + this.name = source.name; + this.up.copy(source.up); + this.position.copy(source.position); + this.rotation.order = source.rotation.order; + this.quaternion.copy(source.quaternion); + this.scale.copy(source.scale); + this.matrix.copy(source.matrix); + this.matrixWorld.copy(source.matrixWorld); + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + this.layers.mask = source.layers.mask; + this.visible = source.visible; + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + this.animations = source.animations.slice(); + this.userData = JSON.parse(JSON.stringify(source.userData)); + if (recursive === true) { + for (let i = 0; i < source.children.length; i++) { + const child = source.children[i]; + this.add(child.clone()); + } + } + return this; + } +} +Object3D.DEFAULT_UP = /* @__PURE__ */ new Vector3(0, 1, 0); +Object3D.DEFAULT_MATRIX_AUTO_UPDATE = true; +Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true; +const _v0$1 = /* @__PURE__ */ new Vector3(); +const _v1$3 = /* @__PURE__ */ new Vector3(); +const _v2$2 = /* @__PURE__ */ new Vector3(); +const _v3$1 = /* @__PURE__ */ new Vector3(); +const _vab = /* @__PURE__ */ new Vector3(); +const _vac = /* @__PURE__ */ new Vector3(); +const _vbc = /* @__PURE__ */ new Vector3(); +const _vap = /* @__PURE__ */ new Vector3(); +const _vbp = /* @__PURE__ */ new Vector3(); +const _vcp = /* @__PURE__ */ new Vector3(); +let warnedGetUV = false; +class Triangle { + constructor(a = new Vector3(), b = new Vector3(), c = new Vector3()) { + this.a = a; + this.b = b; + this.c = c; + } + static getNormal(a, b, c, target) { + target.subVectors(c, b); + _v0$1.subVectors(a, b); + target.cross(_v0$1); + const targetLengthSq = target.lengthSq(); + if (targetLengthSq > 0) { + return target.multiplyScalar(1 / Math.sqrt(targetLengthSq)); + } + return target.set(0, 0, 0); + } + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + static getBarycoord(point, a, b, c, target) { + _v0$1.subVectors(c, a); + _v1$3.subVectors(b, a); + _v2$2.subVectors(point, a); + const dot00 = _v0$1.dot(_v0$1); + const dot01 = _v0$1.dot(_v1$3); + const dot02 = _v0$1.dot(_v2$2); + const dot11 = _v1$3.dot(_v1$3); + const dot12 = _v1$3.dot(_v2$2); + const denom = dot00 * dot11 - dot01 * dot01; + if (denom === 0) { + return target.set(-2, -1, -1); + } + const invDenom = 1 / denom; + const u = (dot11 * dot02 - dot01 * dot12) * invDenom; + const v = (dot00 * dot12 - dot01 * dot02) * invDenom; + return target.set(1 - u - v, v, u); + } + static containsPoint(point, a, b, c) { + this.getBarycoord(point, a, b, c, _v3$1); + return _v3$1.x >= 0 && _v3$1.y >= 0 && _v3$1.x + _v3$1.y <= 1; + } + static getUV(point, p1, p2, p3, uv1, uv2, uv3, target) { + if (warnedGetUV === false) { + console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."); + warnedGetUV = true; + } + return this.getInterpolation(point, p1, p2, p3, uv1, uv2, uv3, target); + } + static getInterpolation(point, p1, p2, p3, v12, v22, v32, target) { + this.getBarycoord(point, p1, p2, p3, _v3$1); + target.setScalar(0); + target.addScaledVector(v12, _v3$1.x); + target.addScaledVector(v22, _v3$1.y); + target.addScaledVector(v32, _v3$1.z); + return target; + } + static isFrontFacing(a, b, c, direction) { + _v0$1.subVectors(c, b); + _v1$3.subVectors(a, b); + return _v0$1.cross(_v1$3).dot(direction) < 0 ? true : false; + } + set(a, b, c) { + this.a.copy(a); + this.b.copy(b); + this.c.copy(c); + return this; + } + setFromPointsAndIndices(points, i0, i1, i2) { + this.a.copy(points[i0]); + this.b.copy(points[i1]); + this.c.copy(points[i2]); + return this; + } + setFromAttributeAndIndices(attribute, i0, i1, i2) { + this.a.fromBufferAttribute(attribute, i0); + this.b.fromBufferAttribute(attribute, i1); + this.c.fromBufferAttribute(attribute, i2); + return this; + } + clone() { + return new this.constructor().copy(this); + } + copy(triangle) { + this.a.copy(triangle.a); + this.b.copy(triangle.b); + this.c.copy(triangle.c); + return this; + } + getArea() { + _v0$1.subVectors(this.c, this.b); + _v1$3.subVectors(this.a, this.b); + return _v0$1.cross(_v1$3).length() * 0.5; + } + getMidpoint(target) { + return target.addVectors(this.a, this.b).add(this.c).multiplyScalar(1 / 3); + } + getNormal(target) { + return Triangle.getNormal(this.a, this.b, this.c, target); + } + getPlane(target) { + return target.setFromCoplanarPoints(this.a, this.b, this.c); + } + getBarycoord(point, target) { + return Triangle.getBarycoord(point, this.a, this.b, this.c, target); + } + getUV(point, uv1, uv2, uv3, target) { + if (warnedGetUV === false) { + console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."); + warnedGetUV = true; + } + return Triangle.getInterpolation(point, this.a, this.b, this.c, uv1, uv2, uv3, target); + } + getInterpolation(point, v12, v22, v32, target) { + return Triangle.getInterpolation(point, this.a, this.b, this.c, v12, v22, v32, target); + } + containsPoint(point) { + return Triangle.containsPoint(point, this.a, this.b, this.c); + } + isFrontFacing(direction) { + return Triangle.isFrontFacing(this.a, this.b, this.c, direction); + } + intersectsBox(box) { + return box.intersectsTriangle(this); + } + closestPointToPoint(p, target) { + const a = this.a, b = this.b, c = this.c; + let v, w; + _vab.subVectors(b, a); + _vac.subVectors(c, a); + _vap.subVectors(p, a); + const d1 = _vab.dot(_vap); + const d2 = _vac.dot(_vap); + if (d1 <= 0 && d2 <= 0) { + return target.copy(a); + } + _vbp.subVectors(p, b); + const d3 = _vab.dot(_vbp); + const d4 = _vac.dot(_vbp); + if (d3 >= 0 && d4 <= d3) { + return target.copy(b); + } + const vc = d1 * d4 - d3 * d2; + if (vc <= 0 && d1 >= 0 && d3 <= 0) { + v = d1 / (d1 - d3); + return target.copy(a).addScaledVector(_vab, v); + } + _vcp.subVectors(p, c); + const d5 = _vab.dot(_vcp); + const d6 = _vac.dot(_vcp); + if (d6 >= 0 && d5 <= d6) { + return target.copy(c); + } + const vb = d5 * d2 - d1 * d6; + if (vb <= 0 && d2 >= 0 && d6 <= 0) { + w = d2 / (d2 - d6); + return target.copy(a).addScaledVector(_vac, w); + } + const va = d3 * d6 - d5 * d4; + if (va <= 0 && d4 - d3 >= 0 && d5 - d6 >= 0) { + _vbc.subVectors(c, b); + w = (d4 - d3) / (d4 - d3 + (d5 - d6)); + return target.copy(b).addScaledVector(_vbc, w); + } + const denom = 1 / (va + vb + vc); + v = vb * denom; + w = vc * denom; + return target.copy(a).addScaledVector(_vab, v).addScaledVector(_vac, w); + } + equals(triangle) { + return triangle.a.equals(this.a) && triangle.b.equals(this.b) && triangle.c.equals(this.c); + } +} +const _colorKeywords = { + "aliceblue": 15792383, + "antiquewhite": 16444375, + "aqua": 65535, + "aquamarine": 8388564, + "azure": 15794175, + "beige": 16119260, + "bisque": 16770244, + "black": 0, + "blanchedalmond": 16772045, + "blue": 255, + "blueviolet": 9055202, + "brown": 10824234, + "burlywood": 14596231, + "cadetblue": 6266528, + "chartreuse": 8388352, + "chocolate": 13789470, + "coral": 16744272, + "cornflowerblue": 6591981, + "cornsilk": 16775388, + "crimson": 14423100, + "cyan": 65535, + "darkblue": 139, + "darkcyan": 35723, + "darkgoldenrod": 12092939, + "darkgray": 11119017, + "darkgreen": 25600, + "darkgrey": 11119017, + "darkkhaki": 12433259, + "darkmagenta": 9109643, + "darkolivegreen": 5597999, + "darkorange": 16747520, + "darkorchid": 10040012, + "darkred": 9109504, + "darksalmon": 15308410, + "darkseagreen": 9419919, + "darkslateblue": 4734347, + "darkslategray": 3100495, + "darkslategrey": 3100495, + "darkturquoise": 52945, + "darkviolet": 9699539, + "deeppink": 16716947, + "deepskyblue": 49151, + "dimgray": 6908265, + "dimgrey": 6908265, + "dodgerblue": 2003199, + "firebrick": 11674146, + "floralwhite": 16775920, + "forestgreen": 2263842, + "fuchsia": 16711935, + "gainsboro": 14474460, + "ghostwhite": 16316671, + "gold": 16766720, + "goldenrod": 14329120, + "gray": 8421504, + "green": 32768, + "greenyellow": 11403055, + "grey": 8421504, + "honeydew": 15794160, + "hotpink": 16738740, + "indianred": 13458524, + "indigo": 4915330, + "ivory": 16777200, + "khaki": 15787660, + "lavender": 15132410, + "lavenderblush": 16773365, + "lawngreen": 8190976, + "lemonchiffon": 16775885, + "lightblue": 11393254, + "lightcoral": 15761536, + "lightcyan": 14745599, + "lightgoldenrodyellow": 16448210, + "lightgray": 13882323, + "lightgreen": 9498256, + "lightgrey": 13882323, + "lightpink": 16758465, + "lightsalmon": 16752762, + "lightseagreen": 2142890, + "lightskyblue": 8900346, + "lightslategray": 7833753, + "lightslategrey": 7833753, + "lightsteelblue": 11584734, + "lightyellow": 16777184, + "lime": 65280, + "limegreen": 3329330, + "linen": 16445670, + "magenta": 16711935, + "maroon": 8388608, + "mediumaquamarine": 6737322, + "mediumblue": 205, + "mediumorchid": 12211667, + "mediumpurple": 9662683, + "mediumseagreen": 3978097, + "mediumslateblue": 8087790, + "mediumspringgreen": 64154, + "mediumturquoise": 4772300, + "mediumvioletred": 13047173, + "midnightblue": 1644912, + "mintcream": 16121850, + "mistyrose": 16770273, + "moccasin": 16770229, + "navajowhite": 16768685, + "navy": 128, + "oldlace": 16643558, + "olive": 8421376, + "olivedrab": 7048739, + "orange": 16753920, + "orangered": 16729344, + "orchid": 14315734, + "palegoldenrod": 15657130, + "palegreen": 10025880, + "paleturquoise": 11529966, + "palevioletred": 14381203, + "papayawhip": 16773077, + "peachpuff": 16767673, + "peru": 13468991, + "pink": 16761035, + "plum": 14524637, + "powderblue": 11591910, + "purple": 8388736, + "rebeccapurple": 6697881, + "red": 16711680, + "rosybrown": 12357519, + "royalblue": 4286945, + "saddlebrown": 9127187, + "salmon": 16416882, + "sandybrown": 16032864, + "seagreen": 3050327, + "seashell": 16774638, + "sienna": 10506797, + "silver": 12632256, + "skyblue": 8900331, + "slateblue": 6970061, + "slategray": 7372944, + "slategrey": 7372944, + "snow": 16775930, + "springgreen": 65407, + "steelblue": 4620980, + "tan": 13808780, + "teal": 32896, + "thistle": 14204888, + "tomato": 16737095, + "turquoise": 4251856, + "violet": 15631086, + "wheat": 16113331, + "white": 16777215, + "whitesmoke": 16119285, + "yellow": 16776960, + "yellowgreen": 10145074 +}; +const _hslA = { h: 0, s: 0, l: 0 }; +const _hslB = { h: 0, s: 0, l: 0 }; +function hue2rgb(p, q, t) { + if (t < 0) + t += 1; + if (t > 1) + t -= 1; + if (t < 1 / 6) + return p + (q - p) * 6 * t; + if (t < 1 / 2) + return q; + if (t < 2 / 3) + return p + (q - p) * 6 * (2 / 3 - t); + return p; +} +class Color { + constructor(r, g, b) { + this.isColor = true; + this.r = 1; + this.g = 1; + this.b = 1; + return this.set(r, g, b); + } + set(r, g, b) { + if (g === void 0 && b === void 0) { + const value = r; + if (value && value.isColor) { + this.copy(value); + } else if (typeof value === "number") { + this.setHex(value); + } else if (typeof value === "string") { + this.setStyle(value); + } + } else { + this.setRGB(r, g, b); + } + return this; + } + setScalar(scalar) { + this.r = scalar; + this.g = scalar; + this.b = scalar; + return this; + } + setHex(hex, colorSpace = SRGBColorSpace) { + hex = Math.floor(hex); + this.r = (hex >> 16 & 255) / 255; + this.g = (hex >> 8 & 255) / 255; + this.b = (hex & 255) / 255; + ColorManagement.toWorkingColorSpace(this, colorSpace); + return this; + } + setRGB(r, g, b, colorSpace = ColorManagement.workingColorSpace) { + this.r = r; + this.g = g; + this.b = b; + ColorManagement.toWorkingColorSpace(this, colorSpace); + return this; + } + setHSL(h, s, l, colorSpace = ColorManagement.workingColorSpace) { + h = euclideanModulo(h, 1); + s = clamp(s, 0, 1); + l = clamp(l, 0, 1); + if (s === 0) { + this.r = this.g = this.b = l; + } else { + const p = l <= 0.5 ? l * (1 + s) : l + s - l * s; + const q = 2 * l - p; + this.r = hue2rgb(q, p, h + 1 / 3); + this.g = hue2rgb(q, p, h); + this.b = hue2rgb(q, p, h - 1 / 3); + } + ColorManagement.toWorkingColorSpace(this, colorSpace); + return this; + } + setStyle(style, colorSpace = SRGBColorSpace) { + function handleAlpha(string) { + if (string === void 0) + return; + if (parseFloat(string) < 1) { + console.warn("THREE.Color: Alpha component of " + style + " will be ignored."); + } + } + let m; + if (m = /^(\w+)\(([^\)]*)\)/.exec(style)) { + let color; + const name = m[1]; + const components = m[2]; + switch (name) { + case "rgb": + case "rgba": + if (color = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) { + handleAlpha(color[4]); + return this.setRGB( + Math.min(255, parseInt(color[1], 10)) / 255, + Math.min(255, parseInt(color[2], 10)) / 255, + Math.min(255, parseInt(color[3], 10)) / 255, + colorSpace + ); + } + if (color = /^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) { + handleAlpha(color[4]); + return this.setRGB( + Math.min(100, parseInt(color[1], 10)) / 100, + Math.min(100, parseInt(color[2], 10)) / 100, + Math.min(100, parseInt(color[3], 10)) / 100, + colorSpace + ); + } + break; + case "hsl": + case "hsla": + if (color = /^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)) { + handleAlpha(color[4]); + return this.setHSL( + parseFloat(color[1]) / 360, + parseFloat(color[2]) / 100, + parseFloat(color[3]) / 100, + colorSpace + ); + } + break; + default: + console.warn("THREE.Color: Unknown color model " + style); + } + } else if (m = /^\#([A-Fa-f\d]+)$/.exec(style)) { + const hex = m[1]; + const size = hex.length; + if (size === 3) { + return this.setRGB( + parseInt(hex.charAt(0), 16) / 15, + parseInt(hex.charAt(1), 16) / 15, + parseInt(hex.charAt(2), 16) / 15, + colorSpace + ); + } else if (size === 6) { + return this.setHex(parseInt(hex, 16), colorSpace); + } else { + console.warn("THREE.Color: Invalid hex color " + style); + } + } else if (style && style.length > 0) { + return this.setColorName(style, colorSpace); + } + return this; + } + setColorName(style, colorSpace = SRGBColorSpace) { + const hex = _colorKeywords[style.toLowerCase()]; + if (hex !== void 0) { + this.setHex(hex, colorSpace); + } else { + console.warn("THREE.Color: Unknown color " + style); + } + return this; + } + clone() { + return new this.constructor(this.r, this.g, this.b); + } + copy(color) { + this.r = color.r; + this.g = color.g; + this.b = color.b; + return this; + } + copySRGBToLinear(color) { + this.r = SRGBToLinear(color.r); + this.g = SRGBToLinear(color.g); + this.b = SRGBToLinear(color.b); + return this; + } + copyLinearToSRGB(color) { + this.r = LinearToSRGB(color.r); + this.g = LinearToSRGB(color.g); + this.b = LinearToSRGB(color.b); + return this; + } + convertSRGBToLinear() { + this.copySRGBToLinear(this); + return this; + } + convertLinearToSRGB() { + this.copyLinearToSRGB(this); + return this; + } + getHex(colorSpace = SRGBColorSpace) { + ColorManagement.fromWorkingColorSpace(_color.copy(this), colorSpace); + return Math.round(clamp(_color.r * 255, 0, 255)) * 65536 + Math.round(clamp(_color.g * 255, 0, 255)) * 256 + Math.round(clamp(_color.b * 255, 0, 255)); + } + getHexString(colorSpace = SRGBColorSpace) { + return ("000000" + this.getHex(colorSpace).toString(16)).slice(-6); + } + getHSL(target, colorSpace = ColorManagement.workingColorSpace) { + ColorManagement.fromWorkingColorSpace(_color.copy(this), colorSpace); + const r = _color.r, g = _color.g, b = _color.b; + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + let hue, saturation; + const lightness = (min + max) / 2; + if (min === max) { + hue = 0; + saturation = 0; + } else { + const delta = max - min; + saturation = lightness <= 0.5 ? delta / (max + min) : delta / (2 - max - min); + switch (max) { + case r: + hue = (g - b) / delta + (g < b ? 6 : 0); + break; + case g: + hue = (b - r) / delta + 2; + break; + case b: + hue = (r - g) / delta + 4; + break; + } + hue /= 6; + } + target.h = hue; + target.s = saturation; + target.l = lightness; + return target; + } + getRGB(target, colorSpace = ColorManagement.workingColorSpace) { + ColorManagement.fromWorkingColorSpace(_color.copy(this), colorSpace); + target.r = _color.r; + target.g = _color.g; + target.b = _color.b; + return target; + } + getStyle(colorSpace = SRGBColorSpace) { + ColorManagement.fromWorkingColorSpace(_color.copy(this), colorSpace); + const r = _color.r, g = _color.g, b = _color.b; + if (colorSpace !== SRGBColorSpace) { + return `color(${colorSpace} ${r.toFixed(3)} ${g.toFixed(3)} ${b.toFixed(3)})`; + } + return `rgb(${Math.round(r * 255)},${Math.round(g * 255)},${Math.round(b * 255)})`; + } + offsetHSL(h, s, l) { + this.getHSL(_hslA); + return this.setHSL(_hslA.h + h, _hslA.s + s, _hslA.l + l); + } + add(color) { + this.r += color.r; + this.g += color.g; + this.b += color.b; + return this; + } + addColors(color1, color2) { + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + return this; + } + addScalar(s) { + this.r += s; + this.g += s; + this.b += s; + return this; + } + sub(color) { + this.r = Math.max(0, this.r - color.r); + this.g = Math.max(0, this.g - color.g); + this.b = Math.max(0, this.b - color.b); + return this; + } + multiply(color) { + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + return this; + } + multiplyScalar(s) { + this.r *= s; + this.g *= s; + this.b *= s; + return this; + } + lerp(color, alpha) { + this.r += (color.r - this.r) * alpha; + this.g += (color.g - this.g) * alpha; + this.b += (color.b - this.b) * alpha; + return this; + } + lerpColors(color1, color2, alpha) { + this.r = color1.r + (color2.r - color1.r) * alpha; + this.g = color1.g + (color2.g - color1.g) * alpha; + this.b = color1.b + (color2.b - color1.b) * alpha; + return this; + } + lerpHSL(color, alpha) { + this.getHSL(_hslA); + color.getHSL(_hslB); + const h = lerp(_hslA.h, _hslB.h, alpha); + const s = lerp(_hslA.s, _hslB.s, alpha); + const l = lerp(_hslA.l, _hslB.l, alpha); + this.setHSL(h, s, l); + return this; + } + setFromVector3(v) { + this.r = v.x; + this.g = v.y; + this.b = v.z; + return this; + } + applyMatrix3(m) { + const r = this.r, g = this.g, b = this.b; + const e = m.elements; + this.r = e[0] * r + e[3] * g + e[6] * b; + this.g = e[1] * r + e[4] * g + e[7] * b; + this.b = e[2] * r + e[5] * g + e[8] * b; + return this; + } + equals(c) { + return c.r === this.r && c.g === this.g && c.b === this.b; + } + fromArray(array, offset = 0) { + this.r = array[offset]; + this.g = array[offset + 1]; + this.b = array[offset + 2]; + return this; + } + toArray(array = [], offset = 0) { + array[offset] = this.r; + array[offset + 1] = this.g; + array[offset + 2] = this.b; + return array; + } + fromBufferAttribute(attribute, index) { + this.r = attribute.getX(index); + this.g = attribute.getY(index); + this.b = attribute.getZ(index); + return this; + } + toJSON() { + return this.getHex(); + } + *[Symbol.iterator]() { + yield this.r; + yield this.g; + yield this.b; + } +} +const _color = /* @__PURE__ */ new Color(); +Color.NAMES = _colorKeywords; +let _materialId = 0; +class Material extends EventDispatcher { + constructor() { + super(); + this.isMaterial = true; + Object.defineProperty(this, "id", { value: _materialId++ }); + this.uuid = generateUUID(); + this.name = ""; + this.type = "Material"; + this.blending = NormalBlending; + this.side = FrontSide; + this.vertexColors = false; + this.opacity = 1; + this.transparent = false; + this.alphaHash = false; + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + this.blendColor = new Color(0, 0, 0); + this.blendAlpha = 0; + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + this.stencilWriteMask = 255; + this.stencilFunc = AlwaysStencilFunc; + this.stencilRef = 0; + this.stencilFuncMask = 255; + this.stencilFail = KeepStencilOp; + this.stencilZFail = KeepStencilOp; + this.stencilZPass = KeepStencilOp; + this.stencilWrite = false; + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + this.shadowSide = null; + this.colorWrite = true; + this.precision = null; + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + this.dithering = false; + this.alphaToCoverage = false; + this.premultipliedAlpha = false; + this.forceSinglePass = false; + this.visible = true; + this.toneMapped = true; + this.userData = {}; + this.version = 0; + this._alphaTest = 0; + } + get alphaTest() { + return this._alphaTest; + } + set alphaTest(value) { + if (this._alphaTest > 0 !== value > 0) { + this.version++; + } + this._alphaTest = value; + } + onBuild() { + } + onBeforeRender() { + } + onBeforeCompile() { + } + customProgramCacheKey() { + return this.onBeforeCompile.toString(); + } + setValues(values) { + if (values === void 0) + return; + for (const key in values) { + const newValue = values[key]; + if (newValue === void 0) { + console.warn(`THREE.Material: parameter '${key}' has value of undefined.`); + continue; + } + const currentValue = this[key]; + if (currentValue === void 0) { + console.warn(`THREE.Material: '${key}' is not a property of THREE.${this.type}.`); + continue; + } + if (currentValue && currentValue.isColor) { + currentValue.set(newValue); + } else if (currentValue && currentValue.isVector3 && (newValue && newValue.isVector3)) { + currentValue.copy(newValue); + } else { + this[key] = newValue; + } + } + } + toJSON(meta) { + const isRootObject = meta === void 0 || typeof meta === "string"; + if (isRootObject) { + meta = { + textures: {}, + images: {} + }; + } + const data = { + metadata: { + version: 4.6, + type: "Material", + generator: "Material.toJSON" + } + }; + data.uuid = this.uuid; + data.type = this.type; + if (this.name !== "") + data.name = this.name; + if (this.color && this.color.isColor) + data.color = this.color.getHex(); + if (this.roughness !== void 0) + data.roughness = this.roughness; + if (this.metalness !== void 0) + data.metalness = this.metalness; + if (this.sheen !== void 0) + data.sheen = this.sheen; + if (this.sheenColor && this.sheenColor.isColor) + data.sheenColor = this.sheenColor.getHex(); + if (this.sheenRoughness !== void 0) + data.sheenRoughness = this.sheenRoughness; + if (this.emissive && this.emissive.isColor) + data.emissive = this.emissive.getHex(); + if (this.emissiveIntensity && this.emissiveIntensity !== 1) + data.emissiveIntensity = this.emissiveIntensity; + if (this.specular && this.specular.isColor) + data.specular = this.specular.getHex(); + if (this.specularIntensity !== void 0) + data.specularIntensity = this.specularIntensity; + if (this.specularColor && this.specularColor.isColor) + data.specularColor = this.specularColor.getHex(); + if (this.shininess !== void 0) + data.shininess = this.shininess; + if (this.clearcoat !== void 0) + data.clearcoat = this.clearcoat; + if (this.clearcoatRoughness !== void 0) + data.clearcoatRoughness = this.clearcoatRoughness; + if (this.clearcoatMap && this.clearcoatMap.isTexture) { + data.clearcoatMap = this.clearcoatMap.toJSON(meta).uuid; + } + if (this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture) { + data.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON(meta).uuid; + } + if (this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture) { + data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON(meta).uuid; + data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); + } + if (this.iridescence !== void 0) + data.iridescence = this.iridescence; + if (this.iridescenceIOR !== void 0) + data.iridescenceIOR = this.iridescenceIOR; + if (this.iridescenceThicknessRange !== void 0) + data.iridescenceThicknessRange = this.iridescenceThicknessRange; + if (this.iridescenceMap && this.iridescenceMap.isTexture) { + data.iridescenceMap = this.iridescenceMap.toJSON(meta).uuid; + } + if (this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture) { + data.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON(meta).uuid; + } + if (this.anisotropy !== void 0) + data.anisotropy = this.anisotropy; + if (this.anisotropyRotation !== void 0) + data.anisotropyRotation = this.anisotropyRotation; + if (this.anisotropyMap && this.anisotropyMap.isTexture) { + data.anisotropyMap = this.anisotropyMap.toJSON(meta).uuid; + } + if (this.map && this.map.isTexture) + data.map = this.map.toJSON(meta).uuid; + if (this.matcap && this.matcap.isTexture) + data.matcap = this.matcap.toJSON(meta).uuid; + if (this.alphaMap && this.alphaMap.isTexture) + data.alphaMap = this.alphaMap.toJSON(meta).uuid; + if (this.lightMap && this.lightMap.isTexture) { + data.lightMap = this.lightMap.toJSON(meta).uuid; + data.lightMapIntensity = this.lightMapIntensity; + } + if (this.aoMap && this.aoMap.isTexture) { + data.aoMap = this.aoMap.toJSON(meta).uuid; + data.aoMapIntensity = this.aoMapIntensity; + } + if (this.bumpMap && this.bumpMap.isTexture) { + data.bumpMap = this.bumpMap.toJSON(meta).uuid; + data.bumpScale = this.bumpScale; + } + if (this.normalMap && this.normalMap.isTexture) { + data.normalMap = this.normalMap.toJSON(meta).uuid; + data.normalMapType = this.normalMapType; + data.normalScale = this.normalScale.toArray(); + } + if (this.displacementMap && this.displacementMap.isTexture) { + data.displacementMap = this.displacementMap.toJSON(meta).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + } + if (this.roughnessMap && this.roughnessMap.isTexture) + data.roughnessMap = this.roughnessMap.toJSON(meta).uuid; + if (this.metalnessMap && this.metalnessMap.isTexture) + data.metalnessMap = this.metalnessMap.toJSON(meta).uuid; + if (this.emissiveMap && this.emissiveMap.isTexture) + data.emissiveMap = this.emissiveMap.toJSON(meta).uuid; + if (this.specularMap && this.specularMap.isTexture) + data.specularMap = this.specularMap.toJSON(meta).uuid; + if (this.specularIntensityMap && this.specularIntensityMap.isTexture) + data.specularIntensityMap = this.specularIntensityMap.toJSON(meta).uuid; + if (this.specularColorMap && this.specularColorMap.isTexture) + data.specularColorMap = this.specularColorMap.toJSON(meta).uuid; + if (this.envMap && this.envMap.isTexture) { + data.envMap = this.envMap.toJSON(meta).uuid; + if (this.combine !== void 0) + data.combine = this.combine; + } + if (this.envMapIntensity !== void 0) + data.envMapIntensity = this.envMapIntensity; + if (this.reflectivity !== void 0) + data.reflectivity = this.reflectivity; + if (this.refractionRatio !== void 0) + data.refractionRatio = this.refractionRatio; + if (this.gradientMap && this.gradientMap.isTexture) { + data.gradientMap = this.gradientMap.toJSON(meta).uuid; + } + if (this.transmission !== void 0) + data.transmission = this.transmission; + if (this.transmissionMap && this.transmissionMap.isTexture) + data.transmissionMap = this.transmissionMap.toJSON(meta).uuid; + if (this.thickness !== void 0) + data.thickness = this.thickness; + if (this.thicknessMap && this.thicknessMap.isTexture) + data.thicknessMap = this.thicknessMap.toJSON(meta).uuid; + if (this.attenuationDistance !== void 0 && this.attenuationDistance !== Infinity) + data.attenuationDistance = this.attenuationDistance; + if (this.attenuationColor !== void 0) + data.attenuationColor = this.attenuationColor.getHex(); + if (this.size !== void 0) + data.size = this.size; + if (this.shadowSide !== null) + data.shadowSide = this.shadowSide; + if (this.sizeAttenuation !== void 0) + data.sizeAttenuation = this.sizeAttenuation; + if (this.blending !== NormalBlending) + data.blending = this.blending; + if (this.side !== FrontSide) + data.side = this.side; + if (this.vertexColors === true) + data.vertexColors = true; + if (this.opacity < 1) + data.opacity = this.opacity; + if (this.transparent === true) + data.transparent = true; + if (this.blendSrc !== SrcAlphaFactor) + data.blendSrc = this.blendSrc; + if (this.blendDst !== OneMinusSrcAlphaFactor) + data.blendDst = this.blendDst; + if (this.blendEquation !== AddEquation) + data.blendEquation = this.blendEquation; + if (this.blendSrcAlpha !== null) + data.blendSrcAlpha = this.blendSrcAlpha; + if (this.blendDstAlpha !== null) + data.blendDstAlpha = this.blendDstAlpha; + if (this.blendEquationAlpha !== null) + data.blendEquationAlpha = this.blendEquationAlpha; + if (this.blendColor && this.blendColor.isColor) + data.blendColor = this.blendColor.getHex(); + if (this.blendAlpha !== 0) + data.blendAlpha = this.blendAlpha; + if (this.depthFunc !== LessEqualDepth) + data.depthFunc = this.depthFunc; + if (this.depthTest === false) + data.depthTest = this.depthTest; + if (this.depthWrite === false) + data.depthWrite = this.depthWrite; + if (this.colorWrite === false) + data.colorWrite = this.colorWrite; + if (this.stencilWriteMask !== 255) + data.stencilWriteMask = this.stencilWriteMask; + if (this.stencilFunc !== AlwaysStencilFunc) + data.stencilFunc = this.stencilFunc; + if (this.stencilRef !== 0) + data.stencilRef = this.stencilRef; + if (this.stencilFuncMask !== 255) + data.stencilFuncMask = this.stencilFuncMask; + if (this.stencilFail !== KeepStencilOp) + data.stencilFail = this.stencilFail; + if (this.stencilZFail !== KeepStencilOp) + data.stencilZFail = this.stencilZFail; + if (this.stencilZPass !== KeepStencilOp) + data.stencilZPass = this.stencilZPass; + if (this.stencilWrite === true) + data.stencilWrite = this.stencilWrite; + if (this.rotation !== void 0 && this.rotation !== 0) + data.rotation = this.rotation; + if (this.polygonOffset === true) + data.polygonOffset = true; + if (this.polygonOffsetFactor !== 0) + data.polygonOffsetFactor = this.polygonOffsetFactor; + if (this.polygonOffsetUnits !== 0) + data.polygonOffsetUnits = this.polygonOffsetUnits; + if (this.linewidth !== void 0 && this.linewidth !== 1) + data.linewidth = this.linewidth; + if (this.dashSize !== void 0) + data.dashSize = this.dashSize; + if (this.gapSize !== void 0) + data.gapSize = this.gapSize; + if (this.scale !== void 0) + data.scale = this.scale; + if (this.dithering === true) + data.dithering = true; + if (this.alphaTest > 0) + data.alphaTest = this.alphaTest; + if (this.alphaHash === true) + data.alphaHash = true; + if (this.alphaToCoverage === true) + data.alphaToCoverage = true; + if (this.premultipliedAlpha === true) + data.premultipliedAlpha = true; + if (this.forceSinglePass === true) + data.forceSinglePass = true; + if (this.wireframe === true) + data.wireframe = true; + if (this.wireframeLinewidth > 1) + data.wireframeLinewidth = this.wireframeLinewidth; + if (this.wireframeLinecap !== "round") + data.wireframeLinecap = this.wireframeLinecap; + if (this.wireframeLinejoin !== "round") + data.wireframeLinejoin = this.wireframeLinejoin; + if (this.flatShading === true) + data.flatShading = true; + if (this.visible === false) + data.visible = false; + if (this.toneMapped === false) + data.toneMapped = false; + if (this.fog === false) + data.fog = false; + if (Object.keys(this.userData).length > 0) + data.userData = this.userData; + function extractFromCache(cache) { + const values = []; + for (const key in cache) { + const data2 = cache[key]; + delete data2.metadata; + values.push(data2); + } + return values; + } + if (isRootObject) { + const textures = extractFromCache(meta.textures); + const images = extractFromCache(meta.images); + if (textures.length > 0) + data.textures = textures; + if (images.length > 0) + data.images = images; + } + return data; + } + clone() { + return new this.constructor().copy(this); + } + copy(source) { + this.name = source.name; + this.blending = source.blending; + this.side = source.side; + this.vertexColors = source.vertexColors; + this.opacity = source.opacity; + this.transparent = source.transparent; + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + this.blendColor.copy(source.blendColor); + this.blendAlpha = source.blendAlpha; + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + this.stencilWriteMask = source.stencilWriteMask; + this.stencilFunc = source.stencilFunc; + this.stencilRef = source.stencilRef; + this.stencilFuncMask = source.stencilFuncMask; + this.stencilFail = source.stencilFail; + this.stencilZFail = source.stencilZFail; + this.stencilZPass = source.stencilZPass; + this.stencilWrite = source.stencilWrite; + const srcPlanes = source.clippingPlanes; + let dstPlanes = null; + if (srcPlanes !== null) { + const n = srcPlanes.length; + dstPlanes = new Array(n); + for (let i = 0; i !== n; ++i) { + dstPlanes[i] = srcPlanes[i].clone(); + } + } + this.clippingPlanes = dstPlanes; + this.clipIntersection = source.clipIntersection; + this.clipShadows = source.clipShadows; + this.shadowSide = source.shadowSide; + this.colorWrite = source.colorWrite; + this.precision = source.precision; + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + this.dithering = source.dithering; + this.alphaTest = source.alphaTest; + this.alphaHash = source.alphaHash; + this.alphaToCoverage = source.alphaToCoverage; + this.premultipliedAlpha = source.premultipliedAlpha; + this.forceSinglePass = source.forceSinglePass; + this.visible = source.visible; + this.toneMapped = source.toneMapped; + this.userData = JSON.parse(JSON.stringify(source.userData)); + return this; + } + dispose() { + this.dispatchEvent({ type: "dispose" }); + } + set needsUpdate(value) { + if (value === true) + this.version++; + } +} +class MeshBasicMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshBasicMaterial = true; + this.type = "MeshBasicMaterial"; + this.color = new Color(16777215); + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.fog = source.fog; + return this; + } +} +const _tables = /* @__PURE__ */ _generateTables(); +function _generateTables() { + const buffer = new ArrayBuffer(4); + const floatView = new Float32Array(buffer); + const uint32View = new Uint32Array(buffer); + const baseTable = new Uint32Array(512); + const shiftTable = new Uint32Array(512); + for (let i = 0; i < 256; ++i) { + const e = i - 127; + if (e < -27) { + baseTable[i] = 0; + baseTable[i | 256] = 32768; + shiftTable[i] = 24; + shiftTable[i | 256] = 24; + } else if (e < -14) { + baseTable[i] = 1024 >> -e - 14; + baseTable[i | 256] = 1024 >> -e - 14 | 32768; + shiftTable[i] = -e - 1; + shiftTable[i | 256] = -e - 1; + } else if (e <= 15) { + baseTable[i] = e + 15 << 10; + baseTable[i | 256] = e + 15 << 10 | 32768; + shiftTable[i] = 13; + shiftTable[i | 256] = 13; + } else if (e < 128) { + baseTable[i] = 31744; + baseTable[i | 256] = 64512; + shiftTable[i] = 24; + shiftTable[i | 256] = 24; + } else { + baseTable[i] = 31744; + baseTable[i | 256] = 64512; + shiftTable[i] = 13; + shiftTable[i | 256] = 13; + } + } + const mantissaTable = new Uint32Array(2048); + const exponentTable = new Uint32Array(64); + const offsetTable = new Uint32Array(64); + for (let i = 1; i < 1024; ++i) { + let m = i << 13; + let e = 0; + while ((m & 8388608) === 0) { + m <<= 1; + e -= 8388608; + } + m &= ~8388608; + e += 947912704; + mantissaTable[i] = m | e; + } + for (let i = 1024; i < 2048; ++i) { + mantissaTable[i] = 939524096 + (i - 1024 << 13); + } + for (let i = 1; i < 31; ++i) { + exponentTable[i] = i << 23; + } + exponentTable[31] = 1199570944; + exponentTable[32] = 2147483648; + for (let i = 33; i < 63; ++i) { + exponentTable[i] = 2147483648 + (i - 32 << 23); + } + exponentTable[63] = 3347054592; + for (let i = 1; i < 64; ++i) { + if (i !== 32) { + offsetTable[i] = 1024; + } + } + return { + floatView, + uint32View, + baseTable, + shiftTable, + mantissaTable, + exponentTable, + offsetTable + }; +} +function toHalfFloat(val) { + if (Math.abs(val) > 65504) + console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."); + val = clamp(val, -65504, 65504); + _tables.floatView[0] = val; + const f = _tables.uint32View[0]; + const e = f >> 23 & 511; + return _tables.baseTable[e] + ((f & 8388607) >> _tables.shiftTable[e]); +} +function fromHalfFloat(val) { + const m = val >> 10; + _tables.uint32View[0] = _tables.mantissaTable[_tables.offsetTable[m] + (val & 1023)] + _tables.exponentTable[m]; + return _tables.floatView[0]; +} +const DataUtils = { + toHalfFloat, + fromHalfFloat +}; +const _vector$9 = /* @__PURE__ */ new Vector3(); +const _vector2$1 = /* @__PURE__ */ new Vector2(); +class BufferAttribute { + constructor(array, itemSize, normalized = false) { + if (Array.isArray(array)) { + throw new TypeError("THREE.BufferAttribute: array should be a Typed Array."); + } + this.isBufferAttribute = true; + this.name = ""; + this.array = array; + this.itemSize = itemSize; + this.count = array !== void 0 ? array.length / itemSize : 0; + this.normalized = normalized; + this.usage = StaticDrawUsage; + this._updateRange = { offset: 0, count: -1 }; + this.updateRanges = []; + this.gpuType = FloatType; + this.version = 0; + } + onUploadCallback() { + } + set needsUpdate(value) { + if (value === true) + this.version++; + } + get updateRange() { + console.warn('THREE.BufferAttribute: "updateRange" is deprecated and removed in r169. Use "addUpdateRange()" instead.'); + return this._updateRange; + } + setUsage(value) { + this.usage = value; + return this; + } + addUpdateRange(start, count) { + this.updateRanges.push({ start, count }); + } + clearUpdateRanges() { + this.updateRanges.length = 0; + } + copy(source) { + this.name = source.name; + this.array = new source.array.constructor(source.array); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + this.usage = source.usage; + this.gpuType = source.gpuType; + return this; + } + copyAt(index1, attribute, index2) { + index1 *= this.itemSize; + index2 *= attribute.itemSize; + for (let i = 0, l = this.itemSize; i < l; i++) { + this.array[index1 + i] = attribute.array[index2 + i]; + } + return this; + } + copyArray(array) { + this.array.set(array); + return this; + } + applyMatrix3(m) { + if (this.itemSize === 2) { + for (let i = 0, l = this.count; i < l; i++) { + _vector2$1.fromBufferAttribute(this, i); + _vector2$1.applyMatrix3(m); + this.setXY(i, _vector2$1.x, _vector2$1.y); + } + } else if (this.itemSize === 3) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.applyMatrix3(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + } + return this; + } + applyMatrix4(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.applyMatrix4(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + return this; + } + applyNormalMatrix(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.applyNormalMatrix(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + return this; + } + transformDirection(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$9.fromBufferAttribute(this, i); + _vector$9.transformDirection(m); + this.setXYZ(i, _vector$9.x, _vector$9.y, _vector$9.z); + } + return this; + } + set(value, offset = 0) { + this.array.set(value, offset); + return this; + } + getComponent(index, component) { + let value = this.array[index * this.itemSize + component]; + if (this.normalized) + value = denormalize(value, this.array); + return value; + } + setComponent(index, component, value) { + if (this.normalized) + value = normalize(value, this.array); + this.array[index * this.itemSize + component] = value; + return this; + } + getX(index) { + let x = this.array[index * this.itemSize]; + if (this.normalized) + x = denormalize(x, this.array); + return x; + } + setX(index, x) { + if (this.normalized) + x = normalize(x, this.array); + this.array[index * this.itemSize] = x; + return this; + } + getY(index) { + let y = this.array[index * this.itemSize + 1]; + if (this.normalized) + y = denormalize(y, this.array); + return y; + } + setY(index, y) { + if (this.normalized) + y = normalize(y, this.array); + this.array[index * this.itemSize + 1] = y; + return this; + } + getZ(index) { + let z = this.array[index * this.itemSize + 2]; + if (this.normalized) + z = denormalize(z, this.array); + return z; + } + setZ(index, z) { + if (this.normalized) + z = normalize(z, this.array); + this.array[index * this.itemSize + 2] = z; + return this; + } + getW(index) { + let w = this.array[index * this.itemSize + 3]; + if (this.normalized) + w = denormalize(w, this.array); + return w; + } + setW(index, w) { + if (this.normalized) + w = normalize(w, this.array); + this.array[index * this.itemSize + 3] = w; + return this; + } + setXY(index, x, y) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + } + this.array[index + 0] = x; + this.array[index + 1] = y; + return this; + } + setXYZ(index, x, y, z) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + } + this.array[index + 0] = x; + this.array[index + 1] = y; + this.array[index + 2] = z; + return this; + } + setXYZW(index, x, y, z, w) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + w = normalize(w, this.array); + } + this.array[index + 0] = x; + this.array[index + 1] = y; + this.array[index + 2] = z; + this.array[index + 3] = w; + return this; + } + onUpload(callback) { + this.onUploadCallback = callback; + return this; + } + clone() { + return new this.constructor(this.array, this.itemSize).copy(this); + } + toJSON() { + const data = { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: Array.from(this.array), + normalized: this.normalized + }; + if (this.name !== "") + data.name = this.name; + if (this.usage !== StaticDrawUsage) + data.usage = this.usage; + return data; + } +} +class Int8BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Int8Array(array), itemSize, normalized); + } +} +class Uint8BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Uint8Array(array), itemSize, normalized); + } +} +class Uint8ClampedBufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Uint8ClampedArray(array), itemSize, normalized); + } +} +class Int16BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Int16Array(array), itemSize, normalized); + } +} +class Uint16BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Uint16Array(array), itemSize, normalized); + } +} +class Int32BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Int32Array(array), itemSize, normalized); + } +} +class Uint32BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Uint32Array(array), itemSize, normalized); + } +} +class Float16BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Uint16Array(array), itemSize, normalized); + this.isFloat16BufferAttribute = true; + } + getX(index) { + let x = fromHalfFloat(this.array[index * this.itemSize]); + if (this.normalized) + x = denormalize(x, this.array); + return x; + } + setX(index, x) { + if (this.normalized) + x = normalize(x, this.array); + this.array[index * this.itemSize] = toHalfFloat(x); + return this; + } + getY(index) { + let y = fromHalfFloat(this.array[index * this.itemSize + 1]); + if (this.normalized) + y = denormalize(y, this.array); + return y; + } + setY(index, y) { + if (this.normalized) + y = normalize(y, this.array); + this.array[index * this.itemSize + 1] = toHalfFloat(y); + return this; + } + getZ(index) { + let z = fromHalfFloat(this.array[index * this.itemSize + 2]); + if (this.normalized) + z = denormalize(z, this.array); + return z; + } + setZ(index, z) { + if (this.normalized) + z = normalize(z, this.array); + this.array[index * this.itemSize + 2] = toHalfFloat(z); + return this; + } + getW(index) { + let w = fromHalfFloat(this.array[index * this.itemSize + 3]); + if (this.normalized) + w = denormalize(w, this.array); + return w; + } + setW(index, w) { + if (this.normalized) + w = normalize(w, this.array); + this.array[index * this.itemSize + 3] = toHalfFloat(w); + return this; + } + setXY(index, x, y) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + } + this.array[index + 0] = toHalfFloat(x); + this.array[index + 1] = toHalfFloat(y); + return this; + } + setXYZ(index, x, y, z) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + } + this.array[index + 0] = toHalfFloat(x); + this.array[index + 1] = toHalfFloat(y); + this.array[index + 2] = toHalfFloat(z); + return this; + } + setXYZW(index, x, y, z, w) { + index *= this.itemSize; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + w = normalize(w, this.array); + } + this.array[index + 0] = toHalfFloat(x); + this.array[index + 1] = toHalfFloat(y); + this.array[index + 2] = toHalfFloat(z); + this.array[index + 3] = toHalfFloat(w); + return this; + } +} +class Float32BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Float32Array(array), itemSize, normalized); + } +} +class Float64BufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized) { + super(new Float64Array(array), itemSize, normalized); + } +} +let _id$2 = 0; +const _m1 = /* @__PURE__ */ new Matrix4(); +const _obj = /* @__PURE__ */ new Object3D(); +const _offset = /* @__PURE__ */ new Vector3(); +const _box$2 = /* @__PURE__ */ new Box3(); +const _boxMorphTargets = /* @__PURE__ */ new Box3(); +const _vector$8 = /* @__PURE__ */ new Vector3(); +class BufferGeometry extends EventDispatcher { + constructor() { + super(); + this.isBufferGeometry = true; + Object.defineProperty(this, "id", { value: _id$2++ }); + this.uuid = generateUUID(); + this.name = ""; + this.type = "BufferGeometry"; + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.morphTargetsRelative = false; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + this.drawRange = { start: 0, count: Infinity }; + this.userData = {}; + } + getIndex() { + return this.index; + } + setIndex(index) { + if (Array.isArray(index)) { + this.index = new (arrayNeedsUint32(index) ? Uint32BufferAttribute : Uint16BufferAttribute)(index, 1); + } else { + this.index = index; + } + return this; + } + getAttribute(name) { + return this.attributes[name]; + } + setAttribute(name, attribute) { + this.attributes[name] = attribute; + return this; + } + deleteAttribute(name) { + delete this.attributes[name]; + return this; + } + hasAttribute(name) { + return this.attributes[name] !== void 0; + } + addGroup(start, count, materialIndex = 0) { + this.groups.push({ + start, + count, + materialIndex + }); + } + clearGroups() { + this.groups = []; + } + setDrawRange(start, count) { + this.drawRange.start = start; + this.drawRange.count = count; + } + applyMatrix4(matrix) { + const position = this.attributes.position; + if (position !== void 0) { + position.applyMatrix4(matrix); + position.needsUpdate = true; + } + const normal = this.attributes.normal; + if (normal !== void 0) { + const normalMatrix = new Matrix3().getNormalMatrix(matrix); + normal.applyNormalMatrix(normalMatrix); + normal.needsUpdate = true; + } + const tangent = this.attributes.tangent; + if (tangent !== void 0) { + tangent.transformDirection(matrix); + tangent.needsUpdate = true; + } + if (this.boundingBox !== null) { + this.computeBoundingBox(); + } + if (this.boundingSphere !== null) { + this.computeBoundingSphere(); + } + return this; + } + applyQuaternion(q) { + _m1.makeRotationFromQuaternion(q); + this.applyMatrix4(_m1); + return this; + } + rotateX(angle) { + _m1.makeRotationX(angle); + this.applyMatrix4(_m1); + return this; + } + rotateY(angle) { + _m1.makeRotationY(angle); + this.applyMatrix4(_m1); + return this; + } + rotateZ(angle) { + _m1.makeRotationZ(angle); + this.applyMatrix4(_m1); + return this; + } + translate(x, y, z) { + _m1.makeTranslation(x, y, z); + this.applyMatrix4(_m1); + return this; + } + scale(x, y, z) { + _m1.makeScale(x, y, z); + this.applyMatrix4(_m1); + return this; + } + lookAt(vector) { + _obj.lookAt(vector); + _obj.updateMatrix(); + this.applyMatrix4(_obj.matrix); + return this; + } + center() { + this.computeBoundingBox(); + this.boundingBox.getCenter(_offset).negate(); + this.translate(_offset.x, _offset.y, _offset.z); + return this; + } + setFromPoints(points) { + const position = []; + for (let i = 0, l = points.length; i < l; i++) { + const point = points[i]; + position.push(point.x, point.y, point.z || 0); + } + this.setAttribute("position", new Float32BufferAttribute(position, 3)); + return this; + } + computeBoundingBox() { + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + if (position && position.isGLBufferAttribute) { + console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".', this); + this.boundingBox.set( + new Vector3(-Infinity, -Infinity, -Infinity), + new Vector3(Infinity, Infinity, Infinity) + ); + return; + } + if (position !== void 0) { + this.boundingBox.setFromBufferAttribute(position); + if (morphAttributesPosition) { + for (let i = 0, il = morphAttributesPosition.length; i < il; i++) { + const morphAttribute = morphAttributesPosition[i]; + _box$2.setFromBufferAttribute(morphAttribute); + if (this.morphTargetsRelative) { + _vector$8.addVectors(this.boundingBox.min, _box$2.min); + this.boundingBox.expandByPoint(_vector$8); + _vector$8.addVectors(this.boundingBox.max, _box$2.max); + this.boundingBox.expandByPoint(_vector$8); + } else { + this.boundingBox.expandByPoint(_box$2.min); + this.boundingBox.expandByPoint(_box$2.max); + } + } + } + } else { + this.boundingBox.makeEmpty(); + } + if (isNaN(this.boundingBox.min.x) || isNaN(this.boundingBox.min.y) || isNaN(this.boundingBox.min.z)) { + console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this); + } + } + computeBoundingSphere() { + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + if (position && position.isGLBufferAttribute) { + console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".', this); + this.boundingSphere.set(new Vector3(), Infinity); + return; + } + if (position) { + const center = this.boundingSphere.center; + _box$2.setFromBufferAttribute(position); + if (morphAttributesPosition) { + for (let i = 0, il = morphAttributesPosition.length; i < il; i++) { + const morphAttribute = morphAttributesPosition[i]; + _boxMorphTargets.setFromBufferAttribute(morphAttribute); + if (this.morphTargetsRelative) { + _vector$8.addVectors(_box$2.min, _boxMorphTargets.min); + _box$2.expandByPoint(_vector$8); + _vector$8.addVectors(_box$2.max, _boxMorphTargets.max); + _box$2.expandByPoint(_vector$8); + } else { + _box$2.expandByPoint(_boxMorphTargets.min); + _box$2.expandByPoint(_boxMorphTargets.max); + } + } + } + _box$2.getCenter(center); + let maxRadiusSq = 0; + for (let i = 0, il = position.count; i < il; i++) { + _vector$8.fromBufferAttribute(position, i); + maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(_vector$8)); + } + if (morphAttributesPosition) { + for (let i = 0, il = morphAttributesPosition.length; i < il; i++) { + const morphAttribute = morphAttributesPosition[i]; + const morphTargetsRelative = this.morphTargetsRelative; + for (let j = 0, jl = morphAttribute.count; j < jl; j++) { + _vector$8.fromBufferAttribute(morphAttribute, j); + if (morphTargetsRelative) { + _offset.fromBufferAttribute(position, j); + _vector$8.add(_offset); + } + maxRadiusSq = Math.max(maxRadiusSq, center.distanceToSquared(_vector$8)); + } + } + } + this.boundingSphere.radius = Math.sqrt(maxRadiusSq); + if (isNaN(this.boundingSphere.radius)) { + console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this); + } + } + } + computeTangents() { + const index = this.index; + const attributes = this.attributes; + if (index === null || attributes.position === void 0 || attributes.normal === void 0 || attributes.uv === void 0) { + console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)"); + return; + } + const indices = index.array; + const positions = attributes.position.array; + const normals = attributes.normal.array; + const uvs = attributes.uv.array; + const nVertices = positions.length / 3; + if (this.hasAttribute("tangent") === false) { + this.setAttribute("tangent", new BufferAttribute(new Float32Array(4 * nVertices), 4)); + } + const tangents = this.getAttribute("tangent").array; + const tan1 = [], tan2 = []; + for (let i = 0; i < nVertices; i++) { + tan1[i] = new Vector3(); + tan2[i] = new Vector3(); + } + const vA = new Vector3(), vB = new Vector3(), vC = new Vector3(), uvA = new Vector2(), uvB = new Vector2(), uvC = new Vector2(), sdir = new Vector3(), tdir = new Vector3(); + function handleTriangle(a, b, c) { + vA.fromArray(positions, a * 3); + vB.fromArray(positions, b * 3); + vC.fromArray(positions, c * 3); + uvA.fromArray(uvs, a * 2); + uvB.fromArray(uvs, b * 2); + uvC.fromArray(uvs, c * 2); + vB.sub(vA); + vC.sub(vA); + uvB.sub(uvA); + uvC.sub(uvA); + const r = 1 / (uvB.x * uvC.y - uvC.x * uvB.y); + if (!isFinite(r)) + return; + sdir.copy(vB).multiplyScalar(uvC.y).addScaledVector(vC, -uvB.y).multiplyScalar(r); + tdir.copy(vC).multiplyScalar(uvB.x).addScaledVector(vB, -uvC.x).multiplyScalar(r); + tan1[a].add(sdir); + tan1[b].add(sdir); + tan1[c].add(sdir); + tan2[a].add(tdir); + tan2[b].add(tdir); + tan2[c].add(tdir); + } + let groups = this.groups; + if (groups.length === 0) { + groups = [{ + start: 0, + count: indices.length + }]; + } + for (let i = 0, il = groups.length; i < il; ++i) { + const group = groups[i]; + const start = group.start; + const count = group.count; + for (let j = start, jl = start + count; j < jl; j += 3) { + handleTriangle( + indices[j + 0], + indices[j + 1], + indices[j + 2] + ); + } + } + const tmp2 = new Vector3(), tmp22 = new Vector3(); + const n = new Vector3(), n2 = new Vector3(); + function handleVertex(v) { + n.fromArray(normals, v * 3); + n2.copy(n); + const t = tan1[v]; + tmp2.copy(t); + tmp2.sub(n.multiplyScalar(n.dot(t))).normalize(); + tmp22.crossVectors(n2, t); + const test = tmp22.dot(tan2[v]); + const w = test < 0 ? -1 : 1; + tangents[v * 4] = tmp2.x; + tangents[v * 4 + 1] = tmp2.y; + tangents[v * 4 + 2] = tmp2.z; + tangents[v * 4 + 3] = w; + } + for (let i = 0, il = groups.length; i < il; ++i) { + const group = groups[i]; + const start = group.start; + const count = group.count; + for (let j = start, jl = start + count; j < jl; j += 3) { + handleVertex(indices[j + 0]); + handleVertex(indices[j + 1]); + handleVertex(indices[j + 2]); + } + } + } + computeVertexNormals() { + const index = this.index; + const positionAttribute = this.getAttribute("position"); + if (positionAttribute !== void 0) { + let normalAttribute = this.getAttribute("normal"); + if (normalAttribute === void 0) { + normalAttribute = new BufferAttribute(new Float32Array(positionAttribute.count * 3), 3); + this.setAttribute("normal", normalAttribute); + } else { + for (let i = 0, il = normalAttribute.count; i < il; i++) { + normalAttribute.setXYZ(i, 0, 0, 0); + } + } + const pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); + const nA = new Vector3(), nB = new Vector3(), nC = new Vector3(); + const cb = new Vector3(), ab = new Vector3(); + if (index) { + for (let i = 0, il = index.count; i < il; i += 3) { + const vA = index.getX(i + 0); + const vB = index.getX(i + 1); + const vC = index.getX(i + 2); + pA.fromBufferAttribute(positionAttribute, vA); + pB.fromBufferAttribute(positionAttribute, vB); + pC.fromBufferAttribute(positionAttribute, vC); + cb.subVectors(pC, pB); + ab.subVectors(pA, pB); + cb.cross(ab); + nA.fromBufferAttribute(normalAttribute, vA); + nB.fromBufferAttribute(normalAttribute, vB); + nC.fromBufferAttribute(normalAttribute, vC); + nA.add(cb); + nB.add(cb); + nC.add(cb); + normalAttribute.setXYZ(vA, nA.x, nA.y, nA.z); + normalAttribute.setXYZ(vB, nB.x, nB.y, nB.z); + normalAttribute.setXYZ(vC, nC.x, nC.y, nC.z); + } + } else { + for (let i = 0, il = positionAttribute.count; i < il; i += 3) { + pA.fromBufferAttribute(positionAttribute, i + 0); + pB.fromBufferAttribute(positionAttribute, i + 1); + pC.fromBufferAttribute(positionAttribute, i + 2); + cb.subVectors(pC, pB); + ab.subVectors(pA, pB); + cb.cross(ab); + normalAttribute.setXYZ(i + 0, cb.x, cb.y, cb.z); + normalAttribute.setXYZ(i + 1, cb.x, cb.y, cb.z); + normalAttribute.setXYZ(i + 2, cb.x, cb.y, cb.z); + } + } + this.normalizeNormals(); + normalAttribute.needsUpdate = true; + } + } + normalizeNormals() { + const normals = this.attributes.normal; + for (let i = 0, il = normals.count; i < il; i++) { + _vector$8.fromBufferAttribute(normals, i); + _vector$8.normalize(); + normals.setXYZ(i, _vector$8.x, _vector$8.y, _vector$8.z); + } + } + toNonIndexed() { + function convertBufferAttribute(attribute, indices2) { + const array = attribute.array; + const itemSize = attribute.itemSize; + const normalized = attribute.normalized; + const array2 = new array.constructor(indices2.length * itemSize); + let index = 0, index2 = 0; + for (let i = 0, l = indices2.length; i < l; i++) { + if (attribute.isInterleavedBufferAttribute) { + index = indices2[i] * attribute.data.stride + attribute.offset; + } else { + index = indices2[i] * itemSize; + } + for (let j = 0; j < itemSize; j++) { + array2[index2++] = array[index++]; + } + } + return new BufferAttribute(array2, itemSize, normalized); + } + if (this.index === null) { + console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."); + return this; + } + const geometry2 = new BufferGeometry(); + const indices = this.index.array; + const attributes = this.attributes; + for (const name in attributes) { + const attribute = attributes[name]; + const newAttribute = convertBufferAttribute(attribute, indices); + geometry2.setAttribute(name, newAttribute); + } + const morphAttributes = this.morphAttributes; + for (const name in morphAttributes) { + const morphArray = []; + const morphAttribute = morphAttributes[name]; + for (let i = 0, il = morphAttribute.length; i < il; i++) { + const attribute = morphAttribute[i]; + const newAttribute = convertBufferAttribute(attribute, indices); + morphArray.push(newAttribute); + } + geometry2.morphAttributes[name] = morphArray; + } + geometry2.morphTargetsRelative = this.morphTargetsRelative; + const groups = this.groups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + geometry2.addGroup(group.start, group.count, group.materialIndex); + } + return geometry2; + } + toJSON() { + const data = { + metadata: { + version: 4.6, + type: "BufferGeometry", + generator: "BufferGeometry.toJSON" + } + }; + data.uuid = this.uuid; + data.type = this.type; + if (this.name !== "") + data.name = this.name; + if (Object.keys(this.userData).length > 0) + data.userData = this.userData; + if (this.parameters !== void 0) { + const parameters = this.parameters; + for (const key in parameters) { + if (parameters[key] !== void 0) + data[key] = parameters[key]; + } + return data; + } + data.data = { attributes: {} }; + const index = this.index; + if (index !== null) { + data.data.index = { + type: index.array.constructor.name, + array: Array.prototype.slice.call(index.array) + }; + } + const attributes = this.attributes; + for (const key in attributes) { + const attribute = attributes[key]; + data.data.attributes[key] = attribute.toJSON(data.data); + } + const morphAttributes = {}; + let hasMorphAttributes = false; + for (const key in this.morphAttributes) { + const attributeArray = this.morphAttributes[key]; + const array = []; + for (let i = 0, il = attributeArray.length; i < il; i++) { + const attribute = attributeArray[i]; + array.push(attribute.toJSON(data.data)); + } + if (array.length > 0) { + morphAttributes[key] = array; + hasMorphAttributes = true; + } + } + if (hasMorphAttributes) { + data.data.morphAttributes = morphAttributes; + data.data.morphTargetsRelative = this.morphTargetsRelative; + } + const groups = this.groups; + if (groups.length > 0) { + data.data.groups = JSON.parse(JSON.stringify(groups)); + } + const boundingSphere = this.boundingSphere; + if (boundingSphere !== null) { + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; + } + return data; + } + clone() { + return new this.constructor().copy(this); + } + copy(source) { + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + const data = {}; + this.name = source.name; + const index = source.index; + if (index !== null) { + this.setIndex(index.clone(data)); + } + const attributes = source.attributes; + for (const name in attributes) { + const attribute = attributes[name]; + this.setAttribute(name, attribute.clone(data)); + } + const morphAttributes = source.morphAttributes; + for (const name in morphAttributes) { + const array = []; + const morphAttribute = morphAttributes[name]; + for (let i = 0, l = morphAttribute.length; i < l; i++) { + array.push(morphAttribute[i].clone(data)); + } + this.morphAttributes[name] = array; + } + this.morphTargetsRelative = source.morphTargetsRelative; + const groups = source.groups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + this.addGroup(group.start, group.count, group.materialIndex); + } + const boundingBox = source.boundingBox; + if (boundingBox !== null) { + this.boundingBox = boundingBox.clone(); + } + const boundingSphere = source.boundingSphere; + if (boundingSphere !== null) { + this.boundingSphere = boundingSphere.clone(); + } + this.drawRange.start = source.drawRange.start; + this.drawRange.count = source.drawRange.count; + this.userData = source.userData; + return this; + } + dispose() { + this.dispatchEvent({ type: "dispose" }); + } +} +const _inverseMatrix$3 = /* @__PURE__ */ new Matrix4(); +const _ray$3 = /* @__PURE__ */ new Ray(); +const _sphere$6 = /* @__PURE__ */ new Sphere(); +const _sphereHitAt = /* @__PURE__ */ new Vector3(); +const _vA$1 = /* @__PURE__ */ new Vector3(); +const _vB$1 = /* @__PURE__ */ new Vector3(); +const _vC$1 = /* @__PURE__ */ new Vector3(); +const _tempA = /* @__PURE__ */ new Vector3(); +const _morphA = /* @__PURE__ */ new Vector3(); +const _uvA$1 = /* @__PURE__ */ new Vector2(); +const _uvB$1 = /* @__PURE__ */ new Vector2(); +const _uvC$1 = /* @__PURE__ */ new Vector2(); +const _normalA = /* @__PURE__ */ new Vector3(); +const _normalB = /* @__PURE__ */ new Vector3(); +const _normalC = /* @__PURE__ */ new Vector3(); +const _intersectionPoint = /* @__PURE__ */ new Vector3(); +const _intersectionPointWorld = /* @__PURE__ */ new Vector3(); +class Mesh extends Object3D { + constructor(geometry = new BufferGeometry(), material = new MeshBasicMaterial()) { + super(); + this.isMesh = true; + this.type = "Mesh"; + this.geometry = geometry; + this.material = material; + this.updateMorphTargets(); + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.morphTargetInfluences !== void 0) { + this.morphTargetInfluences = source.morphTargetInfluences.slice(); + } + if (source.morphTargetDictionary !== void 0) { + this.morphTargetDictionary = Object.assign({}, source.morphTargetDictionary); + } + this.material = Array.isArray(source.material) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys(morphAttributes); + if (keys.length > 0) { + const morphAttribute = morphAttributes[keys[0]]; + if (morphAttribute !== void 0) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for (let m = 0, ml = morphAttribute.length; m < ml; m++) { + const name = morphAttribute[m].name || String(m); + this.morphTargetInfluences.push(0); + this.morphTargetDictionary[name] = m; + } + } + } + } + getVertexPosition(index, target) { + const geometry = this.geometry; + const position = geometry.attributes.position; + const morphPosition = geometry.morphAttributes.position; + const morphTargetsRelative = geometry.morphTargetsRelative; + target.fromBufferAttribute(position, index); + const morphInfluences = this.morphTargetInfluences; + if (morphPosition && morphInfluences) { + _morphA.set(0, 0, 0); + for (let i = 0, il = morphPosition.length; i < il; i++) { + const influence = morphInfluences[i]; + const morphAttribute = morphPosition[i]; + if (influence === 0) + continue; + _tempA.fromBufferAttribute(morphAttribute, index); + if (morphTargetsRelative) { + _morphA.addScaledVector(_tempA, influence); + } else { + _morphA.addScaledVector(_tempA.sub(target), influence); + } + } + target.add(_morphA); + } + return target; + } + raycast(raycaster, intersects2) { + const geometry = this.geometry; + const material = this.material; + const matrixWorld = this.matrixWorld; + if (material === void 0) + return; + if (geometry.boundingSphere === null) + geometry.computeBoundingSphere(); + _sphere$6.copy(geometry.boundingSphere); + _sphere$6.applyMatrix4(matrixWorld); + _ray$3.copy(raycaster.ray).recast(raycaster.near); + if (_sphere$6.containsPoint(_ray$3.origin) === false) { + if (_ray$3.intersectSphere(_sphere$6, _sphereHitAt) === null) + return; + if (_ray$3.origin.distanceToSquared(_sphereHitAt) > (raycaster.far - raycaster.near) ** 2) + return; + } + _inverseMatrix$3.copy(matrixWorld).invert(); + _ray$3.copy(raycaster.ray).applyMatrix4(_inverseMatrix$3); + if (geometry.boundingBox !== null) { + if (_ray$3.intersectsBox(geometry.boundingBox) === false) + return; + } + this._computeIntersections(raycaster, intersects2, _ray$3); + } + _computeIntersections(raycaster, intersects2, rayLocalSpace) { + let intersection; + const geometry = this.geometry; + const material = this.material; + const index = geometry.index; + const position = geometry.attributes.position; + const uv = geometry.attributes.uv; + const uv1 = geometry.attributes.uv1; + const normal = geometry.attributes.normal; + const groups = geometry.groups; + const drawRange = geometry.drawRange; + if (index !== null) { + if (Array.isArray(material)) { + for (let i = 0, il = groups.length; i < il; i++) { + const group = groups[i]; + const groupMaterial = material[group.materialIndex]; + const start = Math.max(group.start, drawRange.start); + const end = Math.min(index.count, Math.min(group.start + group.count, drawRange.start + drawRange.count)); + for (let j = start, jl = end; j < jl; j += 3) { + const a = index.getX(j); + const b = index.getX(j + 1); + const c = index.getX(j + 2); + intersection = checkGeometryIntersection(this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(j / 3); + intersection.face.materialIndex = group.materialIndex; + intersects2.push(intersection); + } + } + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(index.count, drawRange.start + drawRange.count); + for (let i = start, il = end; i < il; i += 3) { + const a = index.getX(i); + const b = index.getX(i + 1); + const c = index.getX(i + 2); + intersection = checkGeometryIntersection(this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(i / 3); + intersects2.push(intersection); + } + } + } + } else if (position !== void 0) { + if (Array.isArray(material)) { + for (let i = 0, il = groups.length; i < il; i++) { + const group = groups[i]; + const groupMaterial = material[group.materialIndex]; + const start = Math.max(group.start, drawRange.start); + const end = Math.min(position.count, Math.min(group.start + group.count, drawRange.start + drawRange.count)); + for (let j = start, jl = end; j < jl; j += 3) { + const a = j; + const b = j + 1; + const c = j + 2; + intersection = checkGeometryIntersection(this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(j / 3); + intersection.face.materialIndex = group.materialIndex; + intersects2.push(intersection); + } + } + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(position.count, drawRange.start + drawRange.count); + for (let i = start, il = end; i < il; i += 3) { + const a = i; + const b = i + 1; + const c = i + 2; + intersection = checkGeometryIntersection(this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c); + if (intersection) { + intersection.faceIndex = Math.floor(i / 3); + intersects2.push(intersection); + } + } + } + } + } +} +function checkIntersection(object, material, raycaster, ray, pA, pB, pC, point) { + let intersect; + if (material.side === BackSide) { + intersect = ray.intersectTriangle(pC, pB, pA, true, point); + } else { + intersect = ray.intersectTriangle(pA, pB, pC, material.side === FrontSide, point); + } + if (intersect === null) + return null; + _intersectionPointWorld.copy(point); + _intersectionPointWorld.applyMatrix4(object.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(_intersectionPointWorld); + if (distance < raycaster.near || distance > raycaster.far) + return null; + return { + distance, + point: _intersectionPointWorld.clone(), + object + }; +} +function checkGeometryIntersection(object, material, raycaster, ray, uv, uv1, normal, a, b, c) { + object.getVertexPosition(a, _vA$1); + object.getVertexPosition(b, _vB$1); + object.getVertexPosition(c, _vC$1); + const intersection = checkIntersection(object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint); + if (intersection) { + if (uv) { + _uvA$1.fromBufferAttribute(uv, a); + _uvB$1.fromBufferAttribute(uv, b); + _uvC$1.fromBufferAttribute(uv, c); + intersection.uv = Triangle.getInterpolation(_intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2()); + } + if (uv1) { + _uvA$1.fromBufferAttribute(uv1, a); + _uvB$1.fromBufferAttribute(uv1, b); + _uvC$1.fromBufferAttribute(uv1, c); + intersection.uv1 = Triangle.getInterpolation(_intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2()); + intersection.uv2 = intersection.uv1; + } + if (normal) { + _normalA.fromBufferAttribute(normal, a); + _normalB.fromBufferAttribute(normal, b); + _normalC.fromBufferAttribute(normal, c); + intersection.normal = Triangle.getInterpolation(_intersectionPoint, _vA$1, _vB$1, _vC$1, _normalA, _normalB, _normalC, new Vector3()); + if (intersection.normal.dot(ray.direction) > 0) { + intersection.normal.multiplyScalar(-1); + } + } + const face = { + a, + b, + c, + normal: new Vector3(), + materialIndex: 0 + }; + Triangle.getNormal(_vA$1, _vB$1, _vC$1, face.normal); + intersection.face = face; + } + return intersection; +} +class BoxGeometry extends BufferGeometry { + constructor(width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1) { + super(); + this.type = "BoxGeometry"; + this.parameters = { + width, + height, + depth, + widthSegments, + heightSegments, + depthSegments + }; + const scope = this; + widthSegments = Math.floor(widthSegments); + heightSegments = Math.floor(heightSegments); + depthSegments = Math.floor(depthSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let numberOfVertices = 0; + let groupStart = 0; + buildPlane("z", "y", "x", -1, -1, depth, height, width, depthSegments, heightSegments, 0); + buildPlane("z", "y", "x", 1, -1, depth, height, -width, depthSegments, heightSegments, 1); + buildPlane("x", "z", "y", 1, 1, width, depth, height, widthSegments, depthSegments, 2); + buildPlane("x", "z", "y", 1, -1, width, depth, -height, widthSegments, depthSegments, 3); + buildPlane("x", "y", "z", 1, -1, width, height, depth, widthSegments, heightSegments, 4); + buildPlane("x", "y", "z", -1, -1, width, height, -depth, widthSegments, heightSegments, 5); + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function buildPlane(u, v, w, udir, vdir, width2, height2, depth2, gridX, gridY, materialIndex) { + const segmentWidth = width2 / gridX; + const segmentHeight = height2 / gridY; + const widthHalf = width2 / 2; + const heightHalf = height2 / 2; + const depthHalf = depth2 / 2; + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + let vertexCounter = 0; + let groupCount = 0; + const vector = new Vector3(); + for (let iy = 0; iy < gridY1; iy++) { + const y = iy * segmentHeight - heightHalf; + for (let ix = 0; ix < gridX1; ix++) { + const x = ix * segmentWidth - widthHalf; + vector[u] = x * udir; + vector[v] = y * vdir; + vector[w] = depthHalf; + vertices.push(vector.x, vector.y, vector.z); + vector[u] = 0; + vector[v] = 0; + vector[w] = depth2 > 0 ? 1 : -1; + normals.push(vector.x, vector.y, vector.z); + uvs.push(ix / gridX); + uvs.push(1 - iy / gridY); + vertexCounter += 1; + } + } + for (let iy = 0; iy < gridY; iy++) { + for (let ix = 0; ix < gridX; ix++) { + const a = numberOfVertices + ix + gridX1 * iy; + const b = numberOfVertices + ix + gridX1 * (iy + 1); + const c = numberOfVertices + (ix + 1) + gridX1 * (iy + 1); + const d = numberOfVertices + (ix + 1) + gridX1 * iy; + indices.push(a, b, d); + indices.push(b, c, d); + groupCount += 6; + } + } + scope.addGroup(groupStart, groupCount, materialIndex); + groupStart += groupCount; + numberOfVertices += vertexCounter; + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new BoxGeometry(data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments); + } +} +function cloneUniforms(src) { + const dst = {}; + for (const u in src) { + dst[u] = {}; + for (const p in src[u]) { + const property = src[u][p]; + if (property && (property.isColor || property.isMatrix3 || property.isMatrix4 || property.isVector2 || property.isVector3 || property.isVector4 || property.isTexture || property.isQuaternion)) { + if (property.isRenderTargetTexture) { + console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."); + dst[u][p] = null; + } else { + dst[u][p] = property.clone(); + } + } else if (Array.isArray(property)) { + dst[u][p] = property.slice(); + } else { + dst[u][p] = property; + } + } + } + return dst; +} +function mergeUniforms(uniforms) { + const merged = {}; + for (let u = 0; u < uniforms.length; u++) { + const tmp2 = cloneUniforms(uniforms[u]); + for (const p in tmp2) { + merged[p] = tmp2[p]; + } + } + return merged; +} +function cloneUniformsGroups(src) { + const dst = []; + for (let u = 0; u < src.length; u++) { + dst.push(src[u].clone()); + } + return dst; +} +function getUnlitUniformColorSpace(renderer) { + if (renderer.getRenderTarget() === null) { + return renderer.outputColorSpace; + } + return ColorManagement.workingColorSpace; +} +const UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms }; +var default_vertex = "void main() {\n gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"; +var default_fragment = "void main() {\n gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}"; +class ShaderMaterial extends Material { + constructor(parameters) { + super(); + this.isShaderMaterial = true; + this.type = "ShaderMaterial"; + this.defines = {}; + this.uniforms = {}; + this.uniformsGroups = []; + this.vertexShader = default_vertex; + this.fragmentShader = default_fragment; + this.linewidth = 1; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.fog = false; + this.lights = false; + this.clipping = false; + this.forceSinglePass = true; + this.extensions = { + derivatives: false, + // set to use derivatives + fragDepth: false, + // set to use fragment depth values + drawBuffers: false, + // set to use draw buffers + shaderTextureLOD: false + // set to use shader texture LOD + }; + this.defaultAttributeValues = { + "color": [1, 1, 1], + "uv": [0, 0], + "uv1": [0, 0] + }; + this.index0AttributeName = void 0; + this.uniformsNeedUpdate = false; + this.glslVersion = null; + if (parameters !== void 0) { + this.setValues(parameters); + } + } + copy(source) { + super.copy(source); + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + this.uniforms = cloneUniforms(source.uniforms); + this.uniformsGroups = cloneUniformsGroups(source.uniformsGroups); + this.defines = Object.assign({}, source.defines); + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.fog = source.fog; + this.lights = source.lights; + this.clipping = source.clipping; + this.extensions = Object.assign({}, source.extensions); + this.glslVersion = source.glslVersion; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.glslVersion = this.glslVersion; + data.uniforms = {}; + for (const name in this.uniforms) { + const uniform = this.uniforms[name]; + const value = uniform.value; + if (value && value.isTexture) { + data.uniforms[name] = { + type: "t", + value: value.toJSON(meta).uuid + }; + } else if (value && value.isColor) { + data.uniforms[name] = { + type: "c", + value: value.getHex() + }; + } else if (value && value.isVector2) { + data.uniforms[name] = { + type: "v2", + value: value.toArray() + }; + } else if (value && value.isVector3) { + data.uniforms[name] = { + type: "v3", + value: value.toArray() + }; + } else if (value && value.isVector4) { + data.uniforms[name] = { + type: "v4", + value: value.toArray() + }; + } else if (value && value.isMatrix3) { + data.uniforms[name] = { + type: "m3", + value: value.toArray() + }; + } else if (value && value.isMatrix4) { + data.uniforms[name] = { + type: "m4", + value: value.toArray() + }; + } else { + data.uniforms[name] = { + value + }; + } + } + if (Object.keys(this.defines).length > 0) + data.defines = this.defines; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + data.lights = this.lights; + data.clipping = this.clipping; + const extensions = {}; + for (const key in this.extensions) { + if (this.extensions[key] === true) + extensions[key] = true; + } + if (Object.keys(extensions).length > 0) + data.extensions = extensions; + return data; + } +} +class Camera extends Object3D { + constructor() { + super(); + this.isCamera = true; + this.type = "Camera"; + this.matrixWorldInverse = new Matrix4(); + this.projectionMatrix = new Matrix4(); + this.projectionMatrixInverse = new Matrix4(); + this.coordinateSystem = WebGLCoordinateSystem; + } + copy(source, recursive) { + super.copy(source, recursive); + this.matrixWorldInverse.copy(source.matrixWorldInverse); + this.projectionMatrix.copy(source.projectionMatrix); + this.projectionMatrixInverse.copy(source.projectionMatrixInverse); + this.coordinateSystem = source.coordinateSystem; + return this; + } + getWorldDirection(target) { + return super.getWorldDirection(target).negate(); + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + this.matrixWorldInverse.copy(this.matrixWorld).invert(); + } + updateWorldMatrix(updateParents, updateChildren) { + super.updateWorldMatrix(updateParents, updateChildren); + this.matrixWorldInverse.copy(this.matrixWorld).invert(); + } + clone() { + return new this.constructor().copy(this); + } +} +class PerspectiveCamera extends Camera { + constructor(fov2 = 50, aspect2 = 1, near = 0.1, far = 2e3) { + super(); + this.isPerspectiveCamera = true; + this.type = "PerspectiveCamera"; + this.fov = fov2; + this.zoom = 1; + this.near = near; + this.far = far; + this.focus = 10; + this.aspect = aspect2; + this.view = null; + this.filmGauge = 35; + this.filmOffset = 0; + this.updateProjectionMatrix(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.fov = source.fov; + this.zoom = source.zoom; + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign({}, source.view); + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + return this; + } + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength(focalLength) { + const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + this.fov = RAD2DEG * 2 * Math.atan(vExtentSlope); + this.updateProjectionMatrix(); + } + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength() { + const vExtentSlope = Math.tan(DEG2RAD * 0.5 * this.fov); + return 0.5 * this.getFilmHeight() / vExtentSlope; + } + getEffectiveFOV() { + return RAD2DEG * 2 * Math.atan( + Math.tan(DEG2RAD * 0.5 * this.fov) / this.zoom + ); + } + getFilmWidth() { + return this.filmGauge * Math.min(this.aspect, 1); + } + getFilmHeight() { + return this.filmGauge / Math.max(this.aspect, 1); + } + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * const w = 1920; + * const h = 1080; + * const fullWidth = w * 3; + * const fullHeight = h * 2; + * + * --A-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset(fullWidth, fullHeight, x, y, width, height) { + this.aspect = fullWidth / fullHeight; + if (this.view === null) { + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + } + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + this.updateProjectionMatrix(); + } + clearViewOffset() { + if (this.view !== null) { + this.view.enabled = false; + } + this.updateProjectionMatrix(); + } + updateProjectionMatrix() { + const near = this.near; + let top = near * Math.tan(DEG2RAD * 0.5 * this.fov) / this.zoom; + let height = 2 * top; + let width = this.aspect * height; + let left = -0.5 * width; + const view = this.view; + if (this.view !== null && this.view.enabled) { + const fullWidth = view.fullWidth, fullHeight = view.fullHeight; + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + } + const skew = this.filmOffset; + if (skew !== 0) + left += near * skew / this.getFilmWidth(); + this.projectionMatrix.makePerspective(left, left + width, top, top - height, near, this.far, this.coordinateSystem); + this.projectionMatrixInverse.copy(this.projectionMatrix).invert(); + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.fov = this.fov; + data.object.zoom = this.zoom; + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + data.object.aspect = this.aspect; + if (this.view !== null) + data.object.view = Object.assign({}, this.view); + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + return data; + } +} +const fov = -90; +const aspect = 1; +class CubeCamera extends Object3D { + constructor(near, far, renderTarget) { + super(); + this.type = "CubeCamera"; + this.renderTarget = renderTarget; + this.coordinateSystem = null; + this.activeMipmapLevel = 0; + const cameraPX = new PerspectiveCamera(fov, aspect, near, far); + cameraPX.layers = this.layers; + this.add(cameraPX); + const cameraNX = new PerspectiveCamera(fov, aspect, near, far); + cameraNX.layers = this.layers; + this.add(cameraNX); + const cameraPY = new PerspectiveCamera(fov, aspect, near, far); + cameraPY.layers = this.layers; + this.add(cameraPY); + const cameraNY = new PerspectiveCamera(fov, aspect, near, far); + cameraNY.layers = this.layers; + this.add(cameraNY); + const cameraPZ = new PerspectiveCamera(fov, aspect, near, far); + cameraPZ.layers = this.layers; + this.add(cameraPZ); + const cameraNZ = new PerspectiveCamera(fov, aspect, near, far); + cameraNZ.layers = this.layers; + this.add(cameraNZ); + } + updateCoordinateSystem() { + const coordinateSystem = this.coordinateSystem; + const cameras = this.children.concat(); + const [cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ] = cameras; + for (const camera of cameras) + this.remove(camera); + if (coordinateSystem === WebGLCoordinateSystem) { + cameraPX.up.set(0, 1, 0); + cameraPX.lookAt(1, 0, 0); + cameraNX.up.set(0, 1, 0); + cameraNX.lookAt(-1, 0, 0); + cameraPY.up.set(0, 0, -1); + cameraPY.lookAt(0, 1, 0); + cameraNY.up.set(0, 0, 1); + cameraNY.lookAt(0, -1, 0); + cameraPZ.up.set(0, 1, 0); + cameraPZ.lookAt(0, 0, 1); + cameraNZ.up.set(0, 1, 0); + cameraNZ.lookAt(0, 0, -1); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + cameraPX.up.set(0, -1, 0); + cameraPX.lookAt(-1, 0, 0); + cameraNX.up.set(0, -1, 0); + cameraNX.lookAt(1, 0, 0); + cameraPY.up.set(0, 0, 1); + cameraPY.lookAt(0, 1, 0); + cameraNY.up.set(0, 0, -1); + cameraNY.lookAt(0, -1, 0); + cameraPZ.up.set(0, -1, 0); + cameraPZ.lookAt(0, 0, 1); + cameraNZ.up.set(0, -1, 0); + cameraNZ.lookAt(0, 0, -1); + } else { + throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: " + coordinateSystem); + } + for (const camera of cameras) { + this.add(camera); + camera.updateMatrixWorld(); + } + } + update(renderer, scene) { + if (this.parent === null) + this.updateMatrixWorld(); + const { renderTarget, activeMipmapLevel } = this; + if (this.coordinateSystem !== renderer.coordinateSystem) { + this.coordinateSystem = renderer.coordinateSystem; + this.updateCoordinateSystem(); + } + const [cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ] = this.children; + const currentRenderTarget = renderer.getRenderTarget(); + const currentActiveCubeFace = renderer.getActiveCubeFace(); + const currentActiveMipmapLevel = renderer.getActiveMipmapLevel(); + const currentXrEnabled = renderer.xr.enabled; + renderer.xr.enabled = false; + const generateMipmaps = renderTarget.texture.generateMipmaps; + renderTarget.texture.generateMipmaps = false; + renderer.setRenderTarget(renderTarget, 0, activeMipmapLevel); + renderer.render(scene, cameraPX); + renderer.setRenderTarget(renderTarget, 1, activeMipmapLevel); + renderer.render(scene, cameraNX); + renderer.setRenderTarget(renderTarget, 2, activeMipmapLevel); + renderer.render(scene, cameraPY); + renderer.setRenderTarget(renderTarget, 3, activeMipmapLevel); + renderer.render(scene, cameraNY); + renderer.setRenderTarget(renderTarget, 4, activeMipmapLevel); + renderer.render(scene, cameraPZ); + renderTarget.texture.generateMipmaps = generateMipmaps; + renderer.setRenderTarget(renderTarget, 5, activeMipmapLevel); + renderer.render(scene, cameraNZ); + renderer.setRenderTarget(currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel); + renderer.xr.enabled = currentXrEnabled; + renderTarget.texture.needsPMREMUpdate = true; + } +} +class CubeTexture extends Texture { + constructor(images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace) { + images = images !== void 0 ? images : []; + mapping = mapping !== void 0 ? mapping : CubeReflectionMapping; + super(images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace); + this.isCubeTexture = true; + this.flipY = false; + } + get images() { + return this.image; + } + set images(value) { + this.image = value; + } +} +class WebGLCubeRenderTarget extends WebGLRenderTarget { + constructor(size = 1, options = {}) { + super(size, size, options); + this.isWebGLCubeRenderTarget = true; + const image = { width: size, height: size, depth: 1 }; + const images = [image, image, image, image, image, image]; + if (options.encoding !== void 0) { + warnOnce("THREE.WebGLCubeRenderTarget: option.encoding has been replaced by option.colorSpace."); + options.colorSpace = options.encoding === sRGBEncoding ? SRGBColorSpace : NoColorSpace; + } + this.texture = new CubeTexture(images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace); + this.texture.isRenderTargetTexture = true; + this.texture.generateMipmaps = options.generateMipmaps !== void 0 ? options.generateMipmaps : false; + this.texture.minFilter = options.minFilter !== void 0 ? options.minFilter : LinearFilter; + } + fromEquirectangularTexture(renderer, texture) { + this.texture.type = texture.type; + this.texture.colorSpace = texture.colorSpace; + this.texture.generateMipmaps = texture.generateMipmaps; + this.texture.minFilter = texture.minFilter; + this.texture.magFilter = texture.magFilter; + const shader = { + uniforms: { + tEquirect: { value: null } + }, + vertexShader: ( + /* glsl */ + ` + + varying vec3 vWorldDirection; + + vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); + + } + + void main() { + + vWorldDirection = transformDirection( position, modelMatrix ); + + #include + #include + + } + ` + ), + fragmentShader: ( + /* glsl */ + ` + + uniform sampler2D tEquirect; + + varying vec3 vWorldDirection; + + #include + + void main() { + + vec3 direction = normalize( vWorldDirection ); + + vec2 sampleUV = equirectUv( direction ); + + gl_FragColor = texture2D( tEquirect, sampleUV ); + + } + ` + ) + }; + const geometry = new BoxGeometry(5, 5, 5); + const material = new ShaderMaterial({ + name: "CubemapFromEquirect", + uniforms: cloneUniforms(shader.uniforms), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader, + side: BackSide, + blending: NoBlending + }); + material.uniforms.tEquirect.value = texture; + const mesh = new Mesh(geometry, material); + const currentMinFilter = texture.minFilter; + if (texture.minFilter === LinearMipmapLinearFilter) + texture.minFilter = LinearFilter; + const camera = new CubeCamera(1, 10, this); + camera.update(renderer, mesh); + texture.minFilter = currentMinFilter; + mesh.geometry.dispose(); + mesh.material.dispose(); + return this; + } + clear(renderer, color, depth, stencil) { + const currentRenderTarget = renderer.getRenderTarget(); + for (let i = 0; i < 6; i++) { + renderer.setRenderTarget(this, i); + renderer.clear(color, depth, stencil); + } + renderer.setRenderTarget(currentRenderTarget); + } +} +const _vector1 = /* @__PURE__ */ new Vector3(); +const _vector2 = /* @__PURE__ */ new Vector3(); +const _normalMatrix = /* @__PURE__ */ new Matrix3(); +class Plane { + constructor(normal = new Vector3(1, 0, 0), constant = 0) { + this.isPlane = true; + this.normal = normal; + this.constant = constant; + } + set(normal, constant) { + this.normal.copy(normal); + this.constant = constant; + return this; + } + setComponents(x, y, z, w) { + this.normal.set(x, y, z); + this.constant = w; + return this; + } + setFromNormalAndCoplanarPoint(normal, point) { + this.normal.copy(normal); + this.constant = -point.dot(this.normal); + return this; + } + setFromCoplanarPoints(a, b, c) { + const normal = _vector1.subVectors(c, b).cross(_vector2.subVectors(a, b)).normalize(); + this.setFromNormalAndCoplanarPoint(normal, a); + return this; + } + copy(plane) { + this.normal.copy(plane.normal); + this.constant = plane.constant; + return this; + } + normalize() { + const inverseNormalLength = 1 / this.normal.length(); + this.normal.multiplyScalar(inverseNormalLength); + this.constant *= inverseNormalLength; + return this; + } + negate() { + this.constant *= -1; + this.normal.negate(); + return this; + } + distanceToPoint(point) { + return this.normal.dot(point) + this.constant; + } + distanceToSphere(sphere) { + return this.distanceToPoint(sphere.center) - sphere.radius; + } + projectPoint(point, target) { + return target.copy(point).addScaledVector(this.normal, -this.distanceToPoint(point)); + } + intersectLine(line, target) { + const direction = line.delta(_vector1); + const denominator = this.normal.dot(direction); + if (denominator === 0) { + if (this.distanceToPoint(line.start) === 0) { + return target.copy(line.start); + } + return null; + } + const t = -(line.start.dot(this.normal) + this.constant) / denominator; + if (t < 0 || t > 1) { + return null; + } + return target.copy(line.start).addScaledVector(direction, t); + } + intersectsLine(line) { + const startSign = this.distanceToPoint(line.start); + const endSign = this.distanceToPoint(line.end); + return startSign < 0 && endSign > 0 || endSign < 0 && startSign > 0; + } + intersectsBox(box) { + return box.intersectsPlane(this); + } + intersectsSphere(sphere) { + return sphere.intersectsPlane(this); + } + coplanarPoint(target) { + return target.copy(this.normal).multiplyScalar(-this.constant); + } + applyMatrix4(matrix, optionalNormalMatrix) { + const normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix(matrix); + const referencePoint = this.coplanarPoint(_vector1).applyMatrix4(matrix); + const normal = this.normal.applyMatrix3(normalMatrix).normalize(); + this.constant = -referencePoint.dot(normal); + return this; + } + translate(offset) { + this.constant -= offset.dot(this.normal); + return this; + } + equals(plane) { + return plane.normal.equals(this.normal) && plane.constant === this.constant; + } + clone() { + return new this.constructor().copy(this); + } +} +const _sphere$5 = /* @__PURE__ */ new Sphere(); +const _vector$7 = /* @__PURE__ */ new Vector3(); +class Frustum { + constructor(p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane()) { + this.planes = [p0, p1, p2, p3, p4, p5]; + } + set(p0, p1, p2, p3, p4, p5) { + const planes = this.planes; + planes[0].copy(p0); + planes[1].copy(p1); + planes[2].copy(p2); + planes[3].copy(p3); + planes[4].copy(p4); + planes[5].copy(p5); + return this; + } + copy(frustum) { + const planes = this.planes; + for (let i = 0; i < 6; i++) { + planes[i].copy(frustum.planes[i]); + } + return this; + } + setFromProjectionMatrix(m, coordinateSystem = WebGLCoordinateSystem) { + const planes = this.planes; + const me = m.elements; + const me0 = me[0], me1 = me[1], me2 = me[2], me3 = me[3]; + const me4 = me[4], me5 = me[5], me6 = me[6], me7 = me[7]; + const me8 = me[8], me9 = me[9], me10 = me[10], me11 = me[11]; + const me12 = me[12], me13 = me[13], me14 = me[14], me15 = me[15]; + planes[0].setComponents(me3 - me0, me7 - me4, me11 - me8, me15 - me12).normalize(); + planes[1].setComponents(me3 + me0, me7 + me4, me11 + me8, me15 + me12).normalize(); + planes[2].setComponents(me3 + me1, me7 + me5, me11 + me9, me15 + me13).normalize(); + planes[3].setComponents(me3 - me1, me7 - me5, me11 - me9, me15 - me13).normalize(); + planes[4].setComponents(me3 - me2, me7 - me6, me11 - me10, me15 - me14).normalize(); + if (coordinateSystem === WebGLCoordinateSystem) { + planes[5].setComponents(me3 + me2, me7 + me6, me11 + me10, me15 + me14).normalize(); + } else if (coordinateSystem === WebGPUCoordinateSystem) { + planes[5].setComponents(me2, me6, me10, me14).normalize(); + } else { + throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: " + coordinateSystem); + } + return this; + } + intersectsObject(object) { + if (object.boundingSphere !== void 0) { + if (object.boundingSphere === null) + object.computeBoundingSphere(); + _sphere$5.copy(object.boundingSphere).applyMatrix4(object.matrixWorld); + } else { + const geometry = object.geometry; + if (geometry.boundingSphere === null) + geometry.computeBoundingSphere(); + _sphere$5.copy(geometry.boundingSphere).applyMatrix4(object.matrixWorld); + } + return this.intersectsSphere(_sphere$5); + } + intersectsSprite(sprite) { + _sphere$5.center.set(0, 0, 0); + _sphere$5.radius = 0.7071067811865476; + _sphere$5.applyMatrix4(sprite.matrixWorld); + return this.intersectsSphere(_sphere$5); + } + intersectsSphere(sphere) { + const planes = this.planes; + const center = sphere.center; + const negRadius = -sphere.radius; + for (let i = 0; i < 6; i++) { + const distance = planes[i].distanceToPoint(center); + if (distance < negRadius) { + return false; + } + } + return true; + } + intersectsBox(box) { + const planes = this.planes; + for (let i = 0; i < 6; i++) { + const plane = planes[i]; + _vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x; + _vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y; + _vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z; + if (plane.distanceToPoint(_vector$7) < 0) { + return false; + } + } + return true; + } + containsPoint(point) { + const planes = this.planes; + for (let i = 0; i < 6; i++) { + if (planes[i].distanceToPoint(point) < 0) { + return false; + } + } + return true; + } + clone() { + return new this.constructor().copy(this); + } +} +function WebGLAnimation() { + let context = null; + let isAnimating = false; + let animationLoop = null; + let requestId = null; + function onAnimationFrame(time, frame) { + animationLoop(time, frame); + requestId = context.requestAnimationFrame(onAnimationFrame); + } + return { + start: function() { + if (isAnimating === true) + return; + if (animationLoop === null) + return; + requestId = context.requestAnimationFrame(onAnimationFrame); + isAnimating = true; + }, + stop: function() { + context.cancelAnimationFrame(requestId); + isAnimating = false; + }, + setAnimationLoop: function(callback) { + animationLoop = callback; + }, + setContext: function(value) { + context = value; + } + }; +} +function WebGLAttributes(gl, capabilities) { + const isWebGL2 = capabilities.isWebGL2; + const buffers = /* @__PURE__ */ new WeakMap(); + function createBuffer(attribute, bufferType) { + const array = attribute.array; + const usage = attribute.usage; + const size = array.byteLength; + const buffer = gl.createBuffer(); + gl.bindBuffer(bufferType, buffer); + gl.bufferData(bufferType, array, usage); + attribute.onUploadCallback(); + let type; + if (array instanceof Float32Array) { + type = gl.FLOAT; + } else if (array instanceof Uint16Array) { + if (attribute.isFloat16BufferAttribute) { + if (isWebGL2) { + type = gl.HALF_FLOAT; + } else { + throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."); + } + } else { + type = gl.UNSIGNED_SHORT; + } + } else if (array instanceof Int16Array) { + type = gl.SHORT; + } else if (array instanceof Uint32Array) { + type = gl.UNSIGNED_INT; + } else if (array instanceof Int32Array) { + type = gl.INT; + } else if (array instanceof Int8Array) { + type = gl.BYTE; + } else if (array instanceof Uint8Array) { + type = gl.UNSIGNED_BYTE; + } else if (array instanceof Uint8ClampedArray) { + type = gl.UNSIGNED_BYTE; + } else { + throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: " + array); + } + return { + buffer, + type, + bytesPerElement: array.BYTES_PER_ELEMENT, + version: attribute.version, + size + }; + } + function updateBuffer(buffer, attribute, bufferType) { + const array = attribute.array; + const updateRange = attribute._updateRange; + const updateRanges = attribute.updateRanges; + gl.bindBuffer(bufferType, buffer); + if (updateRange.count === -1 && updateRanges.length === 0) { + gl.bufferSubData(bufferType, 0, array); + } + if (updateRanges.length !== 0) { + for (let i = 0, l = updateRanges.length; i < l; i++) { + const range = updateRanges[i]; + if (isWebGL2) { + gl.bufferSubData( + bufferType, + range.start * array.BYTES_PER_ELEMENT, + array, + range.start, + range.count + ); + } else { + gl.bufferSubData( + bufferType, + range.start * array.BYTES_PER_ELEMENT, + array.subarray(range.start, range.start + range.count) + ); + } + } + attribute.clearUpdateRanges(); + } + if (updateRange.count !== -1) { + if (isWebGL2) { + gl.bufferSubData( + bufferType, + updateRange.offset * array.BYTES_PER_ELEMENT, + array, + updateRange.offset, + updateRange.count + ); + } else { + gl.bufferSubData( + bufferType, + updateRange.offset * array.BYTES_PER_ELEMENT, + array.subarray(updateRange.offset, updateRange.offset + updateRange.count) + ); + } + updateRange.count = -1; + } + attribute.onUploadCallback(); + } + function get(attribute) { + if (attribute.isInterleavedBufferAttribute) + attribute = attribute.data; + return buffers.get(attribute); + } + function remove(attribute) { + if (attribute.isInterleavedBufferAttribute) + attribute = attribute.data; + const data = buffers.get(attribute); + if (data) { + gl.deleteBuffer(data.buffer); + buffers.delete(attribute); + } + } + function update2(attribute, bufferType) { + if (attribute.isGLBufferAttribute) { + const cached = buffers.get(attribute); + if (!cached || cached.version < attribute.version) { + buffers.set(attribute, { + buffer: attribute.buffer, + type: attribute.type, + bytesPerElement: attribute.elementSize, + version: attribute.version + }); + } + return; + } + if (attribute.isInterleavedBufferAttribute) + attribute = attribute.data; + const data = buffers.get(attribute); + if (data === void 0) { + buffers.set(attribute, createBuffer(attribute, bufferType)); + } else if (data.version < attribute.version) { + if (data.size !== attribute.array.byteLength) { + throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported."); + } + updateBuffer(data.buffer, attribute, bufferType); + data.version = attribute.version; + } + } + return { + get, + remove, + update: update2 + }; +} +class PlaneGeometry extends BufferGeometry { + constructor(width = 1, height = 1, widthSegments = 1, heightSegments = 1) { + super(); + this.type = "PlaneGeometry"; + this.parameters = { + width, + height, + widthSegments, + heightSegments + }; + const width_half = width / 2; + const height_half = height / 2; + const gridX = Math.floor(widthSegments); + const gridY = Math.floor(heightSegments); + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + const segment_width = width / gridX; + const segment_height = height / gridY; + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + for (let iy = 0; iy < gridY1; iy++) { + const y = iy * segment_height - height_half; + for (let ix = 0; ix < gridX1; ix++) { + const x = ix * segment_width - width_half; + vertices.push(x, -y, 0); + normals.push(0, 0, 1); + uvs.push(ix / gridX); + uvs.push(1 - iy / gridY); + } + } + for (let iy = 0; iy < gridY; iy++) { + for (let ix = 0; ix < gridX; ix++) { + const a = ix + gridX1 * iy; + const b = ix + gridX1 * (iy + 1); + const c = ix + 1 + gridX1 * (iy + 1); + const d = ix + 1 + gridX1 * iy; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new PlaneGeometry(data.width, data.height, data.widthSegments, data.heightSegments); + } +} +var alphahash_fragment = "#ifdef USE_ALPHAHASH\n if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif"; +var alphahash_pars_fragment = "#ifdef USE_ALPHAHASH\n const float ALPHA_HASH_SCALE = 0.05;\n float hash2D( vec2 value ) {\n return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n }\n float hash3D( vec3 value ) {\n return hash2D( vec2( hash2D( value.xy ), value.z ) );\n }\n float getAlphaHashThreshold( vec3 position ) {\n float maxDeriv = max(\n length( dFdx( position.xyz ) ),\n length( dFdy( position.xyz ) )\n );\n float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n vec2 pixScales = vec2(\n exp2( floor( log2( pixScale ) ) ),\n exp2( ceil( log2( pixScale ) ) )\n );\n vec2 alpha = vec2(\n hash3D( floor( pixScales.x * position.xyz ) ),\n hash3D( floor( pixScales.y * position.xyz ) )\n );\n float lerpFactor = fract( log2( pixScale ) );\n float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n float a = min( lerpFactor, 1.0 - lerpFactor );\n vec3 cases = vec3(\n x * x / ( 2.0 * a * ( 1.0 - a ) ),\n ( x - 0.5 * a ) / ( 1.0 - a ),\n 1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n );\n float threshold = ( x < ( 1.0 - a ) )\n ? ( ( x < a ) ? cases.x : cases.y )\n : cases.z;\n return clamp( threshold , 1.0e-6, 1.0 );\n }\n#endif"; +var alphamap_fragment = "#ifdef USE_ALPHAMAP\n diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif"; +var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n uniform sampler2D alphaMap;\n#endif"; +var alphatest_fragment = "#ifdef USE_ALPHATEST\n if ( diffuseColor.a < alphaTest ) discard;\n#endif"; +var alphatest_pars_fragment = "#ifdef USE_ALPHATEST\n uniform float alphaTest;\n#endif"; +var aomap_fragment = "#ifdef USE_AOMAP\n float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n reflectedLight.indirectDiffuse *= ambientOcclusion;\n #if defined( USE_CLEARCOAT ) \n clearcoatSpecularIndirect *= ambientOcclusion;\n #endif\n #if defined( USE_SHEEN ) \n sheenSpecularIndirect *= ambientOcclusion;\n #endif\n #if defined( USE_ENVMAP ) && defined( STANDARD )\n float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n #endif\n#endif"; +var aomap_pars_fragment = "#ifdef USE_AOMAP\n uniform sampler2D aoMap;\n uniform float aoMapIntensity;\n#endif"; +var batching_pars_vertex = "#ifdef USE_BATCHING\n attribute float batchId;\n uniform highp sampler2D batchingTexture;\n mat4 getBatchingMatrix( const in float i ) {\n int size = textureSize( batchingTexture, 0 ).x;\n int j = int( i ) * 4;\n int x = j % size;\n int y = j / size;\n vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n return mat4( v1, v2, v3, v4 );\n }\n#endif"; +var batching_vertex = "#ifdef USE_BATCHING\n mat4 batchingMatrix = getBatchingMatrix( batchId );\n#endif"; +var begin_vertex = "vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n vPosition = vec3( position );\n#endif"; +var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n vec3 objectTangent = vec3( tangent.xyz );\n#endif"; +var bsdfs = "float G_BlinnPhong_Implicit( ) {\n return 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( specularColor, 1.0, dotVH );\n float G = G_BlinnPhong_Implicit( );\n float D = D_BlinnPhong( shininess, dotNH );\n return F * ( G * D );\n} // validated"; +var iridescence_fragment = "#ifdef USE_IRIDESCENCE\n const mat3 XYZ_TO_REC709 = mat3(\n 3.2404542, -0.9692660, 0.0556434,\n -1.5371385, 1.8760108, -0.2040259,\n -0.4985314, 0.0415560, 1.0572252\n );\n vec3 Fresnel0ToIor( vec3 fresnel0 ) {\n vec3 sqrtF0 = sqrt( fresnel0 );\n return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n }\n vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n }\n float IorToFresnel0( float transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n }\n vec3 evalSensitivity( float OPD, vec3 shift ) {\n float phase = 2.0 * PI * OPD * 1.0e-9;\n vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n xyz /= 1.0685e-7;\n vec3 rgb = XYZ_TO_REC709 * xyz;\n return rgb;\n }\n vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n vec3 I;\n float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n float cosTheta2Sq = 1.0 - sinTheta2Sq;\n if ( cosTheta2Sq < 0.0 ) {\n return vec3( 1.0 );\n }\n float cosTheta2 = sqrt( cosTheta2Sq );\n float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n float R12 = F_Schlick( R0, 1.0, cosTheta1 );\n float T121 = 1.0 - R12;\n float phi12 = 0.0;\n if ( iridescenceIOR < outsideIOR ) phi12 = PI;\n float phi21 = PI - phi12;\n vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n vec3 phi23 = vec3( 0.0 );\n if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n vec3 phi = vec3( phi21 ) + phi23;\n vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n vec3 r123 = sqrt( R123 );\n vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n vec3 C0 = R12 + Rs;\n I = C0;\n vec3 Cm = Rs - T121;\n for ( int m = 1; m <= 2; ++ m ) {\n Cm *= r123;\n vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n I += Cm * Sm;\n }\n return max( I, vec3( 0.0 ) );\n }\n#endif"; +var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n uniform sampler2D bumpMap;\n uniform float bumpScale;\n vec2 dHdxy_fwd() {\n vec2 dSTdx = dFdx( vBumpMapUv );\n vec2 dSTdy = dFdy( vBumpMapUv );\n float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n return vec2( dBx, dBy );\n }\n vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n vec3 vN = surf_norm;\n vec3 R1 = cross( vSigmaY, vN );\n vec3 R2 = cross( vN, vSigmaX );\n float fDet = dot( vSigmaX, R1 ) * faceDirection;\n vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n return normalize( abs( fDet ) * surf_norm - vGrad );\n }\n#endif"; +var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n vec4 plane;\n #pragma unroll_loop_start\n for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n }\n #pragma unroll_loop_end\n #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n bool clipped = true;\n #pragma unroll_loop_start\n for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n }\n #pragma unroll_loop_end\n if ( clipped ) discard;\n #endif\n#endif"; +var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n varying vec3 vClipPosition;\n uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif"; +var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0\n varying vec3 vClipPosition;\n#endif"; +var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0\n vClipPosition = - mvPosition.xyz;\n#endif"; +var color_fragment = "#if defined( USE_COLOR_ALPHA )\n diffuseColor *= vColor;\n#elif defined( USE_COLOR )\n diffuseColor.rgb *= vColor;\n#endif"; +var color_pars_fragment = "#if defined( USE_COLOR_ALPHA )\n varying vec4 vColor;\n#elif defined( USE_COLOR )\n varying vec3 vColor;\n#endif"; +var color_pars_vertex = "#if defined( USE_COLOR_ALPHA )\n varying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n varying vec3 vColor;\n#endif"; +var color_vertex = "#if defined( USE_COLOR_ALPHA )\n vColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n vColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n vColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n vColor.xyz *= instanceColor.xyz;\n#endif"; +var common = "#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n return fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n float precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n float precisionSafeLength( vec3 v ) {\n float maxComponent = max3( abs( v ) );\n return length( v / maxComponent ) * maxComponent;\n }\n#endif\nstruct IncidentLight {\n vec3 color;\n vec3 direction;\n bool visible;\n};\nstruct ReflectedLight {\n vec3 directDiffuse;\n vec3 directSpecular;\n vec3 indirectDiffuse;\n vec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n varying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n mat3 tmp;\n tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n return tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n return dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n return vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n return RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated"; +var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n #define cubeUV_minMipLevel 4.0\n #define cubeUV_minTileSize 16.0\n float getFace( vec3 direction ) {\n vec3 absDirection = abs( direction );\n float face = - 1.0;\n if ( absDirection.x > absDirection.z ) {\n if ( absDirection.x > absDirection.y )\n face = direction.x > 0.0 ? 0.0 : 3.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n } else {\n if ( absDirection.z > absDirection.y )\n face = direction.z > 0.0 ? 2.0 : 5.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n }\n return face;\n }\n vec2 getUV( vec3 direction, float face ) {\n vec2 uv;\n if ( face == 0.0 ) {\n uv = vec2( direction.z, direction.y ) / abs( direction.x );\n } else if ( face == 1.0 ) {\n uv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n } else if ( face == 2.0 ) {\n uv = vec2( - direction.x, direction.y ) / abs( direction.z );\n } else if ( face == 3.0 ) {\n uv = vec2( - direction.z, direction.y ) / abs( direction.x );\n } else if ( face == 4.0 ) {\n uv = vec2( - direction.x, direction.z ) / abs( direction.y );\n } else {\n uv = vec2( direction.x, direction.y ) / abs( direction.z );\n }\n return 0.5 * ( uv + 1.0 );\n }\n vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n float face = getFace( direction );\n float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n mipInt = max( mipInt, cubeUV_minMipLevel );\n float faceSize = exp2( mipInt );\n highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n if ( face > 2.0 ) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n uv.x += filterInt * 3.0 * cubeUV_minTileSize;\n uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n uv.x *= CUBEUV_TEXEL_WIDTH;\n uv.y *= CUBEUV_TEXEL_HEIGHT;\n #ifdef texture2DGradEXT\n return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n #else\n return texture2D( envMap, uv ).rgb;\n #endif\n }\n #define cubeUV_r0 1.0\n #define cubeUV_v0 0.339\n #define cubeUV_m0 - 2.0\n #define cubeUV_r1 0.8\n #define cubeUV_v1 0.276\n #define cubeUV_m1 - 1.0\n #define cubeUV_r4 0.4\n #define cubeUV_v4 0.046\n #define cubeUV_m4 2.0\n #define cubeUV_r5 0.305\n #define cubeUV_v5 0.016\n #define cubeUV_m5 3.0\n #define cubeUV_r6 0.21\n #define cubeUV_v6 0.0038\n #define cubeUV_m6 4.0\n float roughnessToMip( float roughness ) {\n float mip = 0.0;\n if ( roughness >= cubeUV_r1 ) {\n mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n } else if ( roughness >= cubeUV_r4 ) {\n mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n } else if ( roughness >= cubeUV_r5 ) {\n mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n } else if ( roughness >= cubeUV_r6 ) {\n mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n } else {\n mip = - 2.0 * log2( 1.16 * roughness ); }\n return mip;\n }\n vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n float mipF = fract( mip );\n float mipInt = floor( mip );\n vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n if ( mipF == 0.0 ) {\n return vec4( color0, 1.0 );\n } else {\n vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n return vec4( mix( color0, color1, mipF ), 1.0 );\n }\n }\n#endif"; +var defaultnormal_vertex = "vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n vec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n mat3 bm = mat3( batchingMatrix );\n transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n transformedNormal = bm * transformedNormal;\n #ifdef USE_TANGENT\n transformedTangent = bm * transformedTangent;\n #endif\n#endif\n#ifdef USE_INSTANCING\n mat3 im = mat3( instanceMatrix );\n transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n transformedNormal = im * transformedNormal;\n #ifdef USE_TANGENT\n transformedTangent = im * transformedTangent;\n #endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n transformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n #ifdef FLIP_SIDED\n transformedTangent = - transformedTangent;\n #endif\n#endif"; +var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n uniform sampler2D displacementMap;\n uniform float displacementScale;\n uniform float displacementBias;\n#endif"; +var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif"; +var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n totalEmissiveRadiance *= emissiveColor.rgb;\n#endif"; +var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n uniform sampler2D emissiveMap;\n#endif"; +var colorspace_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );"; +var colorspace_pars_fragment = "\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n vec3( 0.8224621, 0.177538, 0.0 ),\n vec3( 0.0331941, 0.9668058, 0.0 ),\n vec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n vec3( 1.2249401, - 0.2249404, 0.0 ),\n vec3( - 0.0420569, 1.0420571, 0.0 ),\n vec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n return vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n return vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n return value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return sRGBTransferOETF( value );\n}"; +var envmap_fragment = "#ifdef USE_ENVMAP\n #ifdef ENV_WORLDPOS\n vec3 cameraToFrag;\n if ( isOrthographic ) {\n cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n } else {\n cameraToFrag = normalize( vWorldPosition - cameraPosition );\n }\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n #ifdef ENVMAP_MODE_REFLECTION\n vec3 reflectVec = reflect( cameraToFrag, worldNormal );\n #else\n vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n #endif\n #else\n vec3 reflectVec = vReflect;\n #endif\n #ifdef ENVMAP_TYPE_CUBE\n vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n #else\n vec4 envColor = vec4( 0.0 );\n #endif\n #ifdef ENVMAP_BLENDING_MULTIPLY\n outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n #elif defined( ENVMAP_BLENDING_MIX )\n outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n #elif defined( ENVMAP_BLENDING_ADD )\n outgoingLight += envColor.xyz * specularStrength * reflectivity;\n #endif\n#endif"; +var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n uniform float envMapIntensity;\n uniform float flipEnvMap;\n #ifdef ENVMAP_TYPE_CUBE\n uniform samplerCube envMap;\n #else\n uniform sampler2D envMap;\n #endif\n \n#endif"; +var envmap_pars_fragment = "#ifdef USE_ENVMAP\n uniform float reflectivity;\n #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n #define ENV_WORLDPOS\n #endif\n #ifdef ENV_WORLDPOS\n varying vec3 vWorldPosition;\n uniform float refractionRatio;\n #else\n varying vec3 vReflect;\n #endif\n#endif"; +var envmap_pars_vertex = "#ifdef USE_ENVMAP\n #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n #define ENV_WORLDPOS\n #endif\n #ifdef ENV_WORLDPOS\n \n varying vec3 vWorldPosition;\n #else\n varying vec3 vReflect;\n uniform float refractionRatio;\n #endif\n#endif"; +var envmap_vertex = "#ifdef USE_ENVMAP\n #ifdef ENV_WORLDPOS\n vWorldPosition = worldPosition.xyz;\n #else\n vec3 cameraToVertex;\n if ( isOrthographic ) {\n cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n } else {\n cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n }\n vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n #ifdef ENVMAP_MODE_REFLECTION\n vReflect = reflect( cameraToVertex, worldNormal );\n #else\n vReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n #endif\n #endif\n#endif"; +var fog_vertex = "#ifdef USE_FOG\n vFogDepth = - mvPosition.z;\n#endif"; +var fog_pars_vertex = "#ifdef USE_FOG\n varying float vFogDepth;\n#endif"; +var fog_fragment = "#ifdef USE_FOG\n #ifdef FOG_EXP2\n float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n #else\n float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n #endif\n gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif"; +var fog_pars_fragment = "#ifdef USE_FOG\n uniform vec3 fogColor;\n varying float vFogDepth;\n #ifdef FOG_EXP2\n uniform float fogDensity;\n #else\n uniform float fogNear;\n uniform float fogFar;\n #endif\n#endif"; +var gradientmap_pars_fragment = "#ifdef USE_GRADIENTMAP\n uniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n float dotNL = dot( normal, lightDirection );\n vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n #ifdef USE_GRADIENTMAP\n return vec3( texture2D( gradientMap, coord ).r );\n #else\n vec2 fw = fwidth( coord ) * 0.5;\n return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n #endif\n}"; +var lightmap_fragment = "#ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n reflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif"; +var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n uniform sampler2D lightMap;\n uniform float lightMapIntensity;\n#endif"; +var lights_lambert_fragment = "LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;"; +var lights_lambert_pars_fragment = "varying vec3 vViewPosition;\nstruct LambertMaterial {\n vec3 diffuseColor;\n float specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_Lambert\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert"; +var lights_pars_begin = "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n uniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n float x = normal.x, y = normal.y, z = normal.z;\n vec3 result = shCoefficients[ 0 ] * 0.886227;\n result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n return result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n return irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n vec3 irradiance = ambientLightColor;\n return irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n #if defined ( LEGACY_LIGHTS )\n if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n }\n return 1.0;\n #else\n float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n if ( cutoffDistance > 0.0 ) {\n distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n }\n return distanceFalloff;\n #endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n return smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n struct DirectionalLight {\n vec3 direction;\n vec3 color;\n };\n uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n light.color = directionalLight.color;\n light.direction = directionalLight.direction;\n light.visible = true;\n }\n#endif\n#if NUM_POINT_LIGHTS > 0\n struct PointLight {\n vec3 position;\n vec3 color;\n float distance;\n float decay;\n };\n uniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n vec3 lVector = pointLight.position - geometryPosition;\n light.direction = normalize( lVector );\n float lightDistance = length( lVector );\n light.color = pointLight.color;\n light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n light.visible = ( light.color != vec3( 0.0 ) );\n }\n#endif\n#if NUM_SPOT_LIGHTS > 0\n struct SpotLight {\n vec3 position;\n vec3 direction;\n vec3 color;\n float distance;\n float decay;\n float coneCos;\n float penumbraCos;\n };\n uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n vec3 lVector = spotLight.position - geometryPosition;\n light.direction = normalize( lVector );\n float angleCos = dot( light.direction, spotLight.direction );\n float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n if ( spotAttenuation > 0.0 ) {\n float lightDistance = length( lVector );\n light.color = spotLight.color * spotAttenuation;\n light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n light.visible = ( light.color != vec3( 0.0 ) );\n } else {\n light.color = vec3( 0.0 );\n light.visible = false;\n }\n }\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n struct RectAreaLight {\n vec3 color;\n vec3 position;\n vec3 halfWidth;\n vec3 halfHeight;\n };\n uniform sampler2D ltc_1; uniform sampler2D ltc_2;\n uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n struct HemisphereLight {\n vec3 direction;\n vec3 skyColor;\n vec3 groundColor;\n };\n uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n float dotNL = dot( normal, hemiLight.direction );\n float hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n return irradiance;\n }\n#endif"; +var envmap_physical_pars_fragment = "#ifdef USE_ENVMAP\n vec3 getIBLIrradiance( const in vec3 normal ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n return PI * envMapColor.rgb * envMapIntensity;\n #else\n return vec3( 0.0 );\n #endif\n }\n vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 reflectVec = reflect( - viewDir, normal );\n reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n reflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n return envMapColor.rgb * envMapIntensity;\n #else\n return vec3( 0.0 );\n #endif\n }\n #ifdef USE_ANISOTROPY\n vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 bentNormal = cross( bitangent, viewDir );\n bentNormal = normalize( cross( bentNormal, bitangent ) );\n bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n return getIBLRadiance( viewDir, bentNormal, roughness );\n #else\n return vec3( 0.0 );\n #endif\n }\n #endif\n#endif"; +var lights_toon_fragment = "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;"; +var lights_toon_pars_fragment = "varying vec3 vViewPosition;\nstruct ToonMaterial {\n vec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_Toon\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon"; +var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; +var lights_phong_pars_fragment = "varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n vec3 diffuseColor;\n vec3 specularColor;\n float specularShininess;\n float specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_BlinnPhong\n#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong"; +var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n material.ior = ior;\n #ifdef USE_SPECULAR\n float specularIntensityFactor = specularIntensity;\n vec3 specularColorFactor = specularColor;\n #ifdef USE_SPECULAR_COLORMAP\n specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n #endif\n #ifdef USE_SPECULAR_INTENSITYMAP\n specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n #endif\n material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n #else\n float specularIntensityFactor = 1.0;\n vec3 specularColorFactor = vec3( 1.0 );\n material.specularF90 = 1.0;\n #endif\n material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n material.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n material.clearcoat = clearcoat;\n material.clearcoatRoughness = clearcoatRoughness;\n material.clearcoatF0 = vec3( 0.04 );\n material.clearcoatF90 = 1.0;\n #ifdef USE_CLEARCOATMAP\n material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n #endif\n #ifdef USE_CLEARCOAT_ROUGHNESSMAP\n material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n #endif\n material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n material.clearcoatRoughness += geometryRoughness;\n material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n material.iridescence = iridescence;\n material.iridescenceIOR = iridescenceIOR;\n #ifdef USE_IRIDESCENCEMAP\n material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n #endif\n #ifdef USE_IRIDESCENCE_THICKNESSMAP\n material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n #else\n material.iridescenceThickness = iridescenceThicknessMaximum;\n #endif\n#endif\n#ifdef USE_SHEEN\n material.sheenColor = sheenColor;\n #ifdef USE_SHEEN_COLORMAP\n material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n #endif\n material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n #ifdef USE_SHEEN_ROUGHNESSMAP\n material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n #endif\n#endif\n#ifdef USE_ANISOTROPY\n #ifdef USE_ANISOTROPYMAP\n mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n #else\n vec2 anisotropyV = anisotropyVector;\n #endif\n material.anisotropy = length( anisotropyV );\n if( material.anisotropy == 0.0 ) {\n anisotropyV = vec2( 1.0, 0.0 );\n } else {\n anisotropyV /= material.anisotropy;\n material.anisotropy = saturate( material.anisotropy );\n }\n material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif"; +var lights_physical_pars_fragment = "struct PhysicalMaterial {\n vec3 diffuseColor;\n float roughness;\n vec3 specularColor;\n float specularF90;\n #ifdef USE_CLEARCOAT\n float clearcoat;\n float clearcoatRoughness;\n vec3 clearcoatF0;\n float clearcoatF90;\n #endif\n #ifdef USE_IRIDESCENCE\n float iridescence;\n float iridescenceIOR;\n float iridescenceThickness;\n vec3 iridescenceFresnel;\n vec3 iridescenceF0;\n #endif\n #ifdef USE_SHEEN\n vec3 sheenColor;\n float sheenRoughness;\n #endif\n #ifdef IOR\n float ior;\n #endif\n #ifdef USE_TRANSMISSION\n float transmission;\n float transmissionAlpha;\n float thickness;\n float attenuationDistance;\n vec3 attenuationColor;\n #endif\n #ifdef USE_ANISOTROPY\n float anisotropy;\n float alphaT;\n vec3 anisotropyT;\n vec3 anisotropyB;\n #endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n float a2 = pow2( alpha );\n float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n return 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n float a2 = pow2( alpha );\n float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n return RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n float v = 0.5 / ( gv + gl );\n return saturate(v);\n }\n float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n float a2 = alphaT * alphaB;\n highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n highp float v2 = dot( v, v );\n float w2 = a2 / v2;\n return RECIPROCAL_PI * a2 * pow2 ( w2 );\n }\n#endif\n#ifdef USE_CLEARCOAT\n vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n vec3 f0 = material.clearcoatF0;\n float f90 = material.clearcoatF90;\n float roughness = material.clearcoatRoughness;\n float alpha = pow2( roughness );\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( f0, f90, dotVH );\n float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n float D = D_GGX( alpha, dotNH );\n return F * ( V * D );\n }\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n vec3 f0 = material.specularColor;\n float f90 = material.specularF90;\n float roughness = material.roughness;\n float alpha = pow2( roughness );\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( f0, f90, dotVH );\n #ifdef USE_IRIDESCENCE\n F = mix( F, material.iridescenceFresnel, material.iridescence );\n #endif\n #ifdef USE_ANISOTROPY\n float dotTL = dot( material.anisotropyT, lightDir );\n float dotTV = dot( material.anisotropyT, viewDir );\n float dotTH = dot( material.anisotropyT, halfDir );\n float dotBL = dot( material.anisotropyB, lightDir );\n float dotBV = dot( material.anisotropyB, viewDir );\n float dotBH = dot( material.anisotropyB, halfDir );\n float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n #else\n float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n float D = D_GGX( alpha, dotNH );\n #endif\n return F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n const float LUT_SIZE = 64.0;\n const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n const float LUT_BIAS = 0.5 / LUT_SIZE;\n float dotNV = saturate( dot( N, V ) );\n vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n uv = uv * LUT_SCALE + LUT_BIAS;\n return uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n float l = length( f );\n return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n float x = dot( v1, v2 );\n float y = abs( x );\n float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n float b = 3.4175940 + ( 4.1616724 + y ) * y;\n float v = a / b;\n float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n return cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n vec3 lightNormal = cross( v1, v2 );\n if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n vec3 T1, T2;\n T1 = normalize( V - N * dot( V, N ) );\n T2 = - cross( N, T1 );\n mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n vec3 coords[ 4 ];\n coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n coords[ 0 ] = normalize( coords[ 0 ] );\n coords[ 1 ] = normalize( coords[ 1 ] );\n coords[ 2 ] = normalize( coords[ 2 ] );\n coords[ 3 ] = normalize( coords[ 3 ] );\n vec3 vectorFormFactor = vec3( 0.0 );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n float result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n return vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n float alpha = pow2( roughness );\n float invAlpha = 1.0 / alpha;\n float cos2h = dotNH * dotNH;\n float sin2h = max( 1.0 - cos2h, 0.0078125 );\n return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float D = D_Charlie( sheenRoughness, dotNH );\n float V = V_Neubelt( dotNV, dotNL );\n return sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n float dotNV = saturate( dot( normal, viewDir ) );\n float r2 = roughness * roughness;\n float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n return saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n float dotNV = saturate( dot( normal, viewDir ) );\n const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n vec4 r = roughness * c0 + c1;\n float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n return fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n vec2 fab = DFGApprox( normal, viewDir, roughness );\n return specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n vec2 fab = DFGApprox( normal, viewDir, roughness );\n #ifdef USE_IRIDESCENCE\n vec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n #else\n vec3 Fr = specularColor;\n #endif\n vec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n float Ess = fab.x + fab.y;\n float Ems = 1.0 - Ess;\n vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n singleScatter += FssEss;\n multiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n vec3 normal = geometryNormal;\n vec3 viewDir = geometryViewDir;\n vec3 position = geometryPosition;\n vec3 lightPos = rectAreaLight.position;\n vec3 halfWidth = rectAreaLight.halfWidth;\n vec3 halfHeight = rectAreaLight.halfHeight;\n vec3 lightColor = rectAreaLight.color;\n float roughness = material.roughness;\n vec3 rectCoords[ 4 ];\n rectCoords[ 0 ] = lightPos + halfWidth - halfHeight; rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n vec2 uv = LTC_Uv( normal, viewDir, roughness );\n vec4 t1 = texture2D( ltc_1, uv );\n vec4 t2 = texture2D( ltc_2, uv );\n mat3 mInv = mat3(\n vec3( t1.x, 0, t1.y ),\n vec3( 0, 1, 0 ),\n vec3( t1.z, 0, t1.w )\n );\n vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n }\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n #ifdef USE_CLEARCOAT\n float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n vec3 ccIrradiance = dotNLcc * directLight.color;\n clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n #endif\n #ifdef USE_SHEEN\n sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n #endif\n reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n #ifdef USE_CLEARCOAT\n clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n #endif\n #ifdef USE_SHEEN\n sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n #endif\n vec3 singleScattering = vec3( 0.0 );\n vec3 multiScattering = vec3( 0.0 );\n vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n #ifdef USE_IRIDESCENCE\n computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n #else\n computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n #endif\n vec3 totalScattering = singleScattering + multiScattering;\n vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n reflectedLight.indirectSpecular += radiance * singleScattering;\n reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct RE_Direct_Physical\n#define RE_Direct_RectArea RE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular RE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}"; +var lights_fragment_begin = "\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n geometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n float dotNVi = saturate( dot( normal, geometryViewDir ) );\n if ( material.iridescenceThickness == 0.0 ) {\n material.iridescence = 0.0;\n } else {\n material.iridescence = saturate( material.iridescence );\n }\n if ( material.iridescence > 0.0 ) {\n material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n }\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n PointLight pointLight;\n #if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n PointLightShadow pointLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n pointLight = pointLights[ i ];\n getPointLightInfo( pointLight, geometryPosition, directLight );\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n pointLightShadow = pointLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n SpotLight spotLight;\n vec4 spotColor;\n vec3 spotLightCoord;\n bool inSpotLightMap;\n #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n SpotLightShadow spotLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n spotLight = spotLights[ i ];\n getSpotLightInfo( spotLight, geometryPosition, directLight );\n #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n #else\n #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n #endif\n #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n #endif\n #undef SPOT_LIGHT_MAP_INDEX\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n spotLightShadow = spotLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n DirectionalLight directionalLight;\n #if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n DirectionalLightShadow directionalLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n directionalLight = directionalLights[ i ];\n getDirectionalLightInfo( directionalLight, directLight );\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n directionalLightShadow = directionalLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n RectAreaLight rectAreaLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n rectAreaLight = rectAreaLights[ i ];\n RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n vec3 iblIrradiance = vec3( 0.0 );\n vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n #if defined( USE_LIGHT_PROBES )\n irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n #endif\n #if ( NUM_HEMI_LIGHTS > 0 )\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n }\n #pragma unroll_loop_end\n #endif\n#endif\n#if defined( RE_IndirectSpecular )\n vec3 radiance = vec3( 0.0 );\n vec3 clearcoatRadiance = vec3( 0.0 );\n#endif"; +var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n #ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n irradiance += lightMapIrradiance;\n #endif\n #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n iblIrradiance += getIBLIrradiance( geometryNormal );\n #endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n #ifdef USE_ANISOTROPY\n radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n #else\n radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n #endif\n #ifdef USE_CLEARCOAT\n clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n #endif\n#endif"; +var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif"; +var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif"; +var logdepthbuf_pars_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n uniform float logDepthBufFC;\n varying float vFragDepth;\n varying float vIsPerspective;\n#endif"; +var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n #ifdef USE_LOGDEPTHBUF_EXT\n varying float vFragDepth;\n varying float vIsPerspective;\n #else\n uniform float logDepthBufFC;\n #endif\n#endif"; +var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n #ifdef USE_LOGDEPTHBUF_EXT\n vFragDepth = 1.0 + gl_Position.w;\n vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n #else\n if ( isPerspectiveMatrix( projectionMatrix ) ) {\n gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n gl_Position.z *= gl_Position.w;\n }\n #endif\n#endif"; +var map_fragment = "#ifdef USE_MAP\n vec4 sampledDiffuseColor = texture2D( map, vMapUv );\n #ifdef DECODE_VIDEO_TEXTURE\n sampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n \n #endif\n diffuseColor *= sampledDiffuseColor;\n#endif"; +var map_pars_fragment = "#ifdef USE_MAP\n uniform sampler2D map;\n#endif"; +var map_particle_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n #if defined( USE_POINTS_UV )\n vec2 uv = vUv;\n #else\n vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n #endif\n#endif\n#ifdef USE_MAP\n diffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n diffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif"; +var map_particle_pars_fragment = "#if defined( USE_POINTS_UV )\n varying vec2 vUv;\n#else\n #if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n uniform mat3 uvTransform;\n #endif\n#endif\n#ifdef USE_MAP\n uniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n uniform sampler2D alphaMap;\n#endif"; +var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n metalnessFactor *= texelMetalness.b;\n#endif"; +var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n uniform sampler2D metalnessMap;\n#endif"; +var morphcolor_vertex = "#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n vColor *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n #if defined( USE_COLOR_ALPHA )\n if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n #elif defined( USE_COLOR )\n if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n #endif\n }\n#endif"; +var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n objectNormal *= morphTargetBaseInfluence;\n #ifdef MORPHTARGETS_TEXTURE\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n }\n #else\n objectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n objectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n objectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n objectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n #endif\n#endif"; +var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n uniform float morphTargetBaseInfluence;\n #ifdef MORPHTARGETS_TEXTURE\n uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n uniform sampler2DArray morphTargetsTexture;\n uniform ivec2 morphTargetsTextureSize;\n vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n int y = texelIndex / morphTargetsTextureSize.x;\n int x = texelIndex - y * morphTargetsTextureSize.x;\n ivec3 morphUV = ivec3( x, y, morphTargetIndex );\n return texelFetch( morphTargetsTexture, morphUV, 0 );\n }\n #else\n #ifndef USE_MORPHNORMALS\n uniform float morphTargetInfluences[ 8 ];\n #else\n uniform float morphTargetInfluences[ 4 ];\n #endif\n #endif\n#endif"; +var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n transformed *= morphTargetBaseInfluence;\n #ifdef MORPHTARGETS_TEXTURE\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n }\n #else\n transformed += morphTarget0 * morphTargetInfluences[ 0 ];\n transformed += morphTarget1 * morphTargetInfluences[ 1 ];\n transformed += morphTarget2 * morphTargetInfluences[ 2 ];\n transformed += morphTarget3 * morphTargetInfluences[ 3 ];\n #ifndef USE_MORPHNORMALS\n transformed += morphTarget4 * morphTargetInfluences[ 4 ];\n transformed += morphTarget5 * morphTargetInfluences[ 5 ];\n transformed += morphTarget6 * morphTargetInfluences[ 6 ];\n transformed += morphTarget7 * morphTargetInfluences[ 7 ];\n #endif\n #endif\n#endif"; +var normal_fragment_begin = "float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n vec3 fdx = dFdx( vViewPosition );\n vec3 fdy = dFdy( vViewPosition );\n vec3 normal = normalize( cross( fdx, fdy ) );\n#else\n vec3 normal = normalize( vNormal );\n #ifdef DOUBLE_SIDED\n normal *= faceDirection;\n #endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n #ifdef USE_TANGENT\n mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n #else\n mat3 tbn = getTangentFrame( - vViewPosition, normal,\n #if defined( USE_NORMALMAP )\n vNormalMapUv\n #elif defined( USE_CLEARCOAT_NORMALMAP )\n vClearcoatNormalMapUv\n #else\n vUv\n #endif\n );\n #endif\n #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n tbn[0] *= faceDirection;\n tbn[1] *= faceDirection;\n #endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n #ifdef USE_TANGENT\n mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n #else\n mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n #endif\n #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n tbn2[0] *= faceDirection;\n tbn2[1] *= faceDirection;\n #endif\n#endif\nvec3 nonPerturbedNormal = normal;"; +var normal_fragment_maps = "#ifdef USE_NORMALMAP_OBJECTSPACE\n normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n #ifdef FLIP_SIDED\n normal = - normal;\n #endif\n #ifdef DOUBLE_SIDED\n normal = normal * faceDirection;\n #endif\n normal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n mapN.xy *= normalScale;\n normal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif"; +var normal_pars_fragment = "#ifndef FLAT_SHADED\n varying vec3 vNormal;\n #ifdef USE_TANGENT\n varying vec3 vTangent;\n varying vec3 vBitangent;\n #endif\n#endif"; +var normal_pars_vertex = "#ifndef FLAT_SHADED\n varying vec3 vNormal;\n #ifdef USE_TANGENT\n varying vec3 vTangent;\n varying vec3 vBitangent;\n #endif\n#endif"; +var normal_vertex = "#ifndef FLAT_SHADED\n vNormal = normalize( transformedNormal );\n #ifdef USE_TANGENT\n vTangent = normalize( transformedTangent );\n vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n #endif\n#endif"; +var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n uniform sampler2D normalMap;\n uniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n uniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n vec3 q0 = dFdx( eye_pos.xyz );\n vec3 q1 = dFdy( eye_pos.xyz );\n vec2 st0 = dFdx( uv.st );\n vec2 st1 = dFdy( uv.st );\n vec3 N = surf_norm;\n vec3 q1perp = cross( q1, N );\n vec3 q0perp = cross( N, q0 );\n vec3 T = q1perp * st0.x + q0perp * st1.x;\n vec3 B = q1perp * st0.y + q0perp * st1.y;\n float det = max( dot( T, T ), dot( B, B ) );\n float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n return mat3( T * scale, B * scale, N );\n }\n#endif"; +var clearcoat_normal_fragment_begin = "#ifdef USE_CLEARCOAT\n vec3 clearcoatNormal = nonPerturbedNormal;\n#endif"; +var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n clearcoatMapN.xy *= clearcoatNormalScale;\n clearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif"; +var clearcoat_pars_fragment = "#ifdef USE_CLEARCOATMAP\n uniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n uniform sampler2D clearcoatNormalMap;\n uniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n uniform sampler2D clearcoatRoughnessMap;\n#endif"; +var iridescence_pars_fragment = "#ifdef USE_IRIDESCENCEMAP\n uniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n uniform sampler2D iridescenceThicknessMap;\n#endif"; +var opaque_fragment = "#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );"; +var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n vec4 r = vec4( fract( v * PackFactors ), v );\n r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n return dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n return packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n return unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n return depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * depth - far );\n}"; +var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n gl_FragColor.rgb *= gl_FragColor.a;\n#endif"; +var project_vertex = "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n mvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n mvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;"; +var dithering_fragment = "#ifdef DITHERING\n gl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif"; +var dithering_pars_fragment = "#ifdef DITHERING\n vec3 dithering( vec3 color ) {\n float grid_position = rand( gl_FragCoord.xy );\n vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n return color + dither_shift_RGB;\n }\n#endif"; +var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n roughnessFactor *= texelRoughness.g;\n#endif"; +var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n uniform sampler2D roughnessMap;\n#endif"; +var shadowmap_pars_fragment = "#if NUM_SPOT_LIGHT_COORDS > 0\n varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n struct DirectionalLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n struct SpotLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n struct PointLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n float shadowCameraNear;\n float shadowCameraFar;\n };\n uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n #endif\n float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n }\n vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n return unpackRGBATo2Half( texture2D( shadow, uv ) );\n }\n float VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n float occlusion = 1.0;\n vec2 distribution = texture2DDistribution( shadow, uv );\n float hard_shadow = step( compare , distribution.x );\n if (hard_shadow != 1.0 ) {\n float distance = compare - distribution.x ;\n float variance = max( 0.00000, distribution.y * distribution.y );\n float softness_probability = variance / (variance + distance * distance ); softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n }\n return occlusion;\n }\n float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n float shadow = 1.0;\n shadowCoord.xyz /= shadowCoord.w;\n shadowCoord.z += shadowBias;\n bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n bool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n if ( frustumTest ) {\n #if defined( SHADOWMAP_TYPE_PCF )\n vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n float dx0 = - texelSize.x * shadowRadius;\n float dy0 = - texelSize.y * shadowRadius;\n float dx1 = + texelSize.x * shadowRadius;\n float dy1 = + texelSize.y * shadowRadius;\n float dx2 = dx0 / 2.0;\n float dy2 = dy0 / 2.0;\n float dx3 = dx1 / 2.0;\n float dy3 = dy1 / 2.0;\n shadow = (\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n ) * ( 1.0 / 17.0 );\n #elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n float dx = texelSize.x;\n float dy = texelSize.y;\n vec2 uv = shadowCoord.xy;\n vec2 f = fract( uv * shadowMapSize + 0.5 );\n uv -= f * texelSize;\n shadow = (\n texture2DCompare( shadowMap, uv, shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n f.x ) +\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n f.x ) +\n mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n f.y ) +\n mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n f.y ) +\n mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n f.x ),\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n f.x ),\n f.y )\n ) * ( 1.0 / 9.0 );\n #elif defined( SHADOWMAP_TYPE_VSM )\n shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n #else\n shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n #endif\n }\n return shadow;\n }\n vec2 cubeToUV( vec3 v, float texelSizeY ) {\n vec3 absV = abs( v );\n float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n absV *= scaleToCube;\n v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n vec2 planar = v.xy;\n float almostATexel = 1.5 * texelSizeY;\n float almostOne = 1.0 - almostATexel;\n if ( absV.z >= almostOne ) {\n if ( v.z > 0.0 )\n planar.x = 4.0 - v.x;\n } else if ( absV.x >= almostOne ) {\n float signX = sign( v.x );\n planar.x = v.z * signX + 2.0 * signX;\n } else if ( absV.y >= almostOne ) {\n float signY = sign( v.y );\n planar.x = v.x + 2.0 * signY + 2.0;\n planar.y = v.z * signY - 2.0;\n }\n return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n }\n float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n vec3 lightToPosition = shadowCoord.xyz;\n float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias;\n vec3 bd3D = normalize( lightToPosition );\n #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n return (\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n ) * ( 1.0 / 9.0 );\n #else\n return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n #endif\n }\n#endif"; +var shadowmap_pars_vertex = "#if NUM_SPOT_LIGHT_COORDS > 0\n uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n struct DirectionalLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n struct SpotLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n struct PointLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n float shadowCameraNear;\n float shadowCameraFar;\n };\n uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n #endif\n#endif"; +var shadowmap_vertex = "#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n vec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n #if NUM_DIR_LIGHT_SHADOWS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n #endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n shadowWorldPosition = worldPosition;\n #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n #endif\n vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n#endif"; +var shadowmask_pars_fragment = "float getShadowMask() {\n float shadow = 1.0;\n #ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n DirectionalLightShadow directionalLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n directionalLight = directionalLightShadows[ i ];\n shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n SpotLightShadow spotLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n spotLight = spotLightShadows[ i ];\n shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n PointLightShadow pointLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n pointLight = pointLightShadows[ i ];\n shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #endif\n return shadow;\n}"; +var skinbase_vertex = "#ifdef USE_SKINNING\n mat4 boneMatX = getBoneMatrix( skinIndex.x );\n mat4 boneMatY = getBoneMatrix( skinIndex.y );\n mat4 boneMatZ = getBoneMatrix( skinIndex.z );\n mat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; +var skinning_pars_vertex = "#ifdef USE_SKINNING\n uniform mat4 bindMatrix;\n uniform mat4 bindMatrixInverse;\n uniform highp sampler2D boneTexture;\n mat4 getBoneMatrix( const in float i ) {\n int size = textureSize( boneTexture, 0 ).x;\n int j = int( i ) * 4;\n int x = j % size;\n int y = j / size;\n vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n return mat4( v1, v2, v3, v4 );\n }\n#endif"; +var skinning_vertex = "#ifdef USE_SKINNING\n vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n vec4 skinned = vec4( 0.0 );\n skinned += boneMatX * skinVertex * skinWeight.x;\n skinned += boneMatY * skinVertex * skinWeight.y;\n skinned += boneMatZ * skinVertex * skinWeight.z;\n skinned += boneMatW * skinVertex * skinWeight.w;\n transformed = ( bindMatrixInverse * skinned ).xyz;\n#endif"; +var skinnormal_vertex = "#ifdef USE_SKINNING\n mat4 skinMatrix = mat4( 0.0 );\n skinMatrix += skinWeight.x * boneMatX;\n skinMatrix += skinWeight.y * boneMatY;\n skinMatrix += skinWeight.z * boneMatZ;\n skinMatrix += skinWeight.w * boneMatW;\n skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n #ifdef USE_TANGENT\n objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n #endif\n#endif"; +var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n specularStrength = texelSpecular.r;\n#else\n specularStrength = 1.0;\n#endif"; +var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n uniform sampler2D specularMap;\n#endif"; +var tonemapping_fragment = "#if defined( TONE_MAPPING )\n gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif"; +var tonemapping_pars_fragment = "#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n return saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n vec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n return a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n const mat3 ACESInputMat = mat3(\n vec3( 0.59719, 0.07600, 0.02840 ), vec3( 0.35458, 0.90834, 0.13383 ),\n vec3( 0.04823, 0.01566, 0.83777 )\n );\n const mat3 ACESOutputMat = mat3(\n vec3( 1.60475, -0.10208, -0.00327 ), vec3( -0.53108, 1.10813, -0.07276 ),\n vec3( -0.07367, -0.00605, 1.07602 )\n );\n color *= toneMappingExposure / 0.6;\n color = ACESInputMat * color;\n color = RRTAndODTFit( color );\n color = ACESOutputMat * color;\n return saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }"; +var transmission_fragment = "#ifdef USE_TRANSMISSION\n material.transmission = transmission;\n material.transmissionAlpha = 1.0;\n material.thickness = thickness;\n material.attenuationDistance = attenuationDistance;\n material.attenuationColor = attenuationColor;\n #ifdef USE_TRANSMISSIONMAP\n material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n #endif\n #ifdef USE_THICKNESSMAP\n material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n #endif\n vec3 pos = vWorldPosition;\n vec3 v = normalize( cameraPosition - pos );\n vec3 n = inverseTransformDirection( normal, viewMatrix );\n vec4 transmitted = getIBLVolumeRefraction(\n n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n pos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n material.attenuationColor, material.attenuationDistance );\n material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif"; +var transmission_pars_fragment = "#ifdef USE_TRANSMISSION\n uniform float transmission;\n uniform float thickness;\n uniform float attenuationDistance;\n uniform vec3 attenuationColor;\n #ifdef USE_TRANSMISSIONMAP\n uniform sampler2D transmissionMap;\n #endif\n #ifdef USE_THICKNESSMAP\n uniform sampler2D thicknessMap;\n #endif\n uniform vec2 transmissionSamplerSize;\n uniform sampler2D transmissionSamplerMap;\n uniform mat4 modelMatrix;\n uniform mat4 projectionMatrix;\n varying vec3 vWorldPosition;\n float w0( float a ) {\n return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n }\n float w1( float a ) {\n return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n }\n float w2( float a ){\n return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n }\n float w3( float a ) {\n return ( 1.0 / 6.0 ) * ( a * a * a );\n }\n float g0( float a ) {\n return w0( a ) + w1( a );\n }\n float g1( float a ) {\n return w2( a ) + w3( a );\n }\n float h0( float a ) {\n return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n }\n float h1( float a ) {\n return 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n }\n vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n uv = uv * texelSize.zw + 0.5;\n vec2 iuv = floor( uv );\n vec2 fuv = fract( uv );\n float g0x = g0( fuv.x );\n float g1x = g1( fuv.x );\n float h0x = h0( fuv.x );\n float h1x = h1( fuv.x );\n float h0y = h0( fuv.y );\n float h1y = h1( fuv.y );\n vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n }\n vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n vec2 fLodSizeInv = 1.0 / fLodSize;\n vec2 cLodSizeInv = 1.0 / cLodSize;\n vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n return mix( fSample, cSample, fract( lod ) );\n }\n vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n vec3 modelScale;\n modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n return normalize( refractionVector ) * thickness * modelScale;\n }\n float applyIorToRoughness( const in float roughness, const in float ior ) {\n return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n }\n vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n }\n vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n if ( isinf( attenuationDistance ) ) {\n return vec3( 1.0 );\n } else {\n vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance;\n }\n }\n vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n const in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n const in vec3 attenuationColor, const in float attenuationDistance ) {\n vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n vec3 refractedRayExit = position + transmissionRay;\n vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n vec2 refractionCoords = ndcPos.xy / ndcPos.w;\n refractionCoords += 1.0;\n refractionCoords /= 2.0;\n vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n vec3 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n vec3 attenuatedColor = transmittance * transmittedLight.rgb;\n vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n }\n#endif"; +var uv_pars_fragment = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n varying vec2 vUv;\n#endif\n#ifdef USE_MAP\n varying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n varying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n varying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n varying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n varying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n varying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n varying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n varying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n varying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n varying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n varying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n varying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n varying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n varying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n varying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n varying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n varying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n varying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n varying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n varying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n uniform mat3 transmissionMapTransform;\n varying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n uniform mat3 thicknessMapTransform;\n varying vec2 vThicknessMapUv;\n#endif"; +var uv_pars_vertex = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n varying vec2 vUv;\n#endif\n#ifdef USE_MAP\n uniform mat3 mapTransform;\n varying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n uniform mat3 alphaMapTransform;\n varying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n uniform mat3 lightMapTransform;\n varying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n uniform mat3 aoMapTransform;\n varying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n uniform mat3 bumpMapTransform;\n varying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n uniform mat3 normalMapTransform;\n varying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n uniform mat3 displacementMapTransform;\n varying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n uniform mat3 emissiveMapTransform;\n varying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n uniform mat3 metalnessMapTransform;\n varying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n uniform mat3 roughnessMapTransform;\n varying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n uniform mat3 anisotropyMapTransform;\n varying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n uniform mat3 clearcoatMapTransform;\n varying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n uniform mat3 clearcoatNormalMapTransform;\n varying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n uniform mat3 clearcoatRoughnessMapTransform;\n varying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n uniform mat3 sheenColorMapTransform;\n varying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n uniform mat3 sheenRoughnessMapTransform;\n varying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n uniform mat3 iridescenceMapTransform;\n varying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n uniform mat3 iridescenceThicknessMapTransform;\n varying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n uniform mat3 specularMapTransform;\n varying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n uniform mat3 specularColorMapTransform;\n varying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n uniform mat3 specularIntensityMapTransform;\n varying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n uniform mat3 transmissionMapTransform;\n varying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n uniform mat3 thicknessMapTransform;\n varying vec2 vThicknessMapUv;\n#endif"; +var uv_vertex = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n vUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif"; +var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n vec4 worldPosition = vec4( transformed, 1.0 );\n #ifdef USE_BATCHING\n worldPosition = batchingMatrix * worldPosition;\n #endif\n #ifdef USE_INSTANCING\n worldPosition = instanceMatrix * worldPosition;\n #endif\n worldPosition = modelMatrix * worldPosition;\n#endif"; +const vertex$h = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n gl_Position = vec4( position.xy, 1.0, 1.0 );\n}"; +const fragment$h = "uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n vec4 texColor = texture2D( t2D, vUv );\n #ifdef DECODE_VIDEO_TEXTURE\n texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n #endif\n texColor.rgb *= backgroundIntensity;\n gl_FragColor = texColor;\n #include \n #include \n}"; +const vertex$g = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include \n #include \n gl_Position.z = gl_Position.w;\n}"; +const fragment$g = "#ifdef ENVMAP_TYPE_CUBE\n uniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n uniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n #ifdef ENVMAP_TYPE_CUBE\n vec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n #elif defined( ENVMAP_TYPE_CUBE_UV )\n vec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );\n #else\n vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n #endif\n texColor.rgb *= backgroundIntensity;\n gl_FragColor = texColor;\n #include \n #include \n}"; +const vertex$f = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include \n #include \n gl_Position.z = gl_Position.w;\n}"; +const fragment$f = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n gl_FragColor = texColor;\n gl_FragColor.a *= opacity;\n #include \n #include \n}"; +const vertex$e = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n #include \n #include \n #include \n #ifdef USE_DISPLACEMENTMAP\n #include \n #include \n #include \n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vHighPrecisionZW = gl_Position.zw;\n}"; +const fragment$e = "#if DEPTH_PACKING == 3200\n uniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n #include \n vec4 diffuseColor = vec4( 1.0 );\n #if DEPTH_PACKING == 3200\n diffuseColor.a = opacity;\n #endif\n #include \n #include \n #include \n #include \n #include \n float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n #if DEPTH_PACKING == 3200\n gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n #elif DEPTH_PACKING == 3201\n gl_FragColor = packDepthToRGBA( fragCoordZ );\n #endif\n}"; +const vertex$d = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #ifdef USE_DISPLACEMENTMAP\n #include \n #include \n #include \n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vWorldPosition = worldPosition.xyz;\n}"; +const fragment$d = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n #include \n vec4 diffuseColor = vec4( 1.0 );\n #include \n #include \n #include \n #include \n float dist = length( vWorldPosition - referencePosition );\n dist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n dist = saturate( dist );\n gl_FragColor = packDepthToRGBA( dist );\n}"; +const vertex$c = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include \n #include \n}"; +const fragment$c = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n vec3 direction = normalize( vWorldDirection );\n vec2 sampleUV = equirectUv( direction );\n gl_FragColor = texture2D( tEquirect, sampleUV );\n #include \n #include \n}"; +const vertex$b = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n vLineDistance = scale * lineDistance;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const fragment$b = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n if ( mod( vLineDistance, totalSize ) > dashSize ) {\n discard;\n }\n vec3 outgoingLight = vec3( 0.0 );\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n outgoingLight = diffuseColor.rgb;\n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$a = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n #include \n #include \n #include \n #include \n #include \n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const fragment$a = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n varying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n #ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n #else\n reflectedLight.indirectDiffuse += vec3( 1.0 );\n #endif\n #include \n reflectedLight.indirectDiffuse *= diffuseColor.rgb;\n vec3 outgoingLight = reflectedLight.indirectDiffuse;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$9 = "#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n #include \n}"; +const fragment$9 = "#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 diffuseColor = vec4( diffuse, opacity );\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$8 = "#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n}"; +const fragment$8 = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 viewDir = normalize( vViewPosition );\n vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n vec3 y = cross( viewDir, x );\n vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n #ifdef USE_MATCAP\n vec4 matcapColor = texture2D( matcap, uv );\n #else\n vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n #endif\n vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$7 = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n varying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n vViewPosition = - mvPosition.xyz;\n#endif\n}"; +const fragment$7 = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n varying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n gl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n #ifdef OPAQUE\n gl_FragColor.a = 1.0;\n #endif\n}"; +const vertex$6 = "#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n #include \n}"; +const fragment$6 = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 diffuseColor = vec4( diffuse, opacity );\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$5 = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n varying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n#ifdef USE_TRANSMISSION\n vWorldPosition = worldPosition.xyz;\n#endif\n}"; +const fragment$5 = "#define STANDARD\n#ifdef PHYSICAL\n #define IOR\n #define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n uniform float ior;\n#endif\n#ifdef USE_SPECULAR\n uniform float specularIntensity;\n uniform vec3 specularColor;\n #ifdef USE_SPECULAR_COLORMAP\n uniform sampler2D specularColorMap;\n #endif\n #ifdef USE_SPECULAR_INTENSITYMAP\n uniform sampler2D specularIntensityMap;\n #endif\n#endif\n#ifdef USE_CLEARCOAT\n uniform float clearcoat;\n uniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n uniform float iridescence;\n uniform float iridescenceIOR;\n uniform float iridescenceThicknessMinimum;\n uniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n uniform vec3 sheenColor;\n uniform float sheenRoughness;\n #ifdef USE_SHEEN_COLORMAP\n uniform sampler2D sheenColorMap;\n #endif\n #ifdef USE_SHEEN_ROUGHNESSMAP\n uniform sampler2D sheenRoughnessMap;\n #endif\n#endif\n#ifdef USE_ANISOTROPY\n uniform vec2 anisotropyVector;\n #ifdef USE_ANISOTROPYMAP\n uniform sampler2D anisotropyMap;\n #endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 diffuseColor = vec4( diffuse, opacity );\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n #include \n vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n #ifdef USE_SHEEN\n float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n #endif\n #ifdef USE_CLEARCOAT\n float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n #endif\n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$4 = "#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vViewPosition = - mvPosition.xyz;\n #include \n #include \n #include \n}"; +const fragment$4 = "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 diffuseColor = vec4( diffuse, opacity );\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$3 = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n varying vec2 vUv;\n uniform mat3 uvTransform;\n#endif\nvoid main() {\n #ifdef USE_POINTS_UV\n vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n #endif\n #include \n #include \n #include \n #include \n #include \n gl_PointSize = size;\n #ifdef USE_SIZEATTENUATION\n bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n #endif\n #include \n #include \n #include \n #include \n}"; +const fragment$3 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec3 outgoingLight = vec3( 0.0 );\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n #include \n #include \n outgoingLight = diffuseColor.rgb;\n #include \n #include \n #include \n #include \n #include \n}"; +const vertex$2 = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n #include \n}"; +const fragment$2 = "uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n gl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n #include \n #include \n #include \n}"; +const vertex$1 = "uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n vec2 scale;\n scale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n scale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n #ifndef USE_SIZEATTENUATION\n bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n if ( isPerspective ) scale *= - mvPosition.z;\n #endif\n vec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n vec2 rotatedPosition;\n rotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n rotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n mvPosition.xy += rotatedPosition;\n gl_Position = projectionMatrix * mvPosition;\n #include \n #include \n #include \n}"; +const fragment$1 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n #include \n vec3 outgoingLight = vec3( 0.0 );\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include \n #include \n #include \n #include \n #include \n outgoingLight = diffuseColor.rgb;\n #include \n #include \n #include \n #include \n}"; +const ShaderChunk = { + alphahash_fragment, + alphahash_pars_fragment, + alphamap_fragment, + alphamap_pars_fragment, + alphatest_fragment, + alphatest_pars_fragment, + aomap_fragment, + aomap_pars_fragment, + batching_pars_vertex, + batching_vertex, + begin_vertex, + beginnormal_vertex, + bsdfs, + iridescence_fragment, + bumpmap_pars_fragment, + clipping_planes_fragment, + clipping_planes_pars_fragment, + clipping_planes_pars_vertex, + clipping_planes_vertex, + color_fragment, + color_pars_fragment, + color_pars_vertex, + color_vertex, + common, + cube_uv_reflection_fragment, + defaultnormal_vertex, + displacementmap_pars_vertex, + displacementmap_vertex, + emissivemap_fragment, + emissivemap_pars_fragment, + colorspace_fragment, + colorspace_pars_fragment, + envmap_fragment, + envmap_common_pars_fragment, + envmap_pars_fragment, + envmap_pars_vertex, + envmap_physical_pars_fragment, + envmap_vertex, + fog_vertex, + fog_pars_vertex, + fog_fragment, + fog_pars_fragment, + gradientmap_pars_fragment, + lightmap_fragment, + lightmap_pars_fragment, + lights_lambert_fragment, + lights_lambert_pars_fragment, + lights_pars_begin, + lights_toon_fragment, + lights_toon_pars_fragment, + lights_phong_fragment, + lights_phong_pars_fragment, + lights_physical_fragment, + lights_physical_pars_fragment, + lights_fragment_begin, + lights_fragment_maps, + lights_fragment_end, + logdepthbuf_fragment, + logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex, + logdepthbuf_vertex, + map_fragment, + map_pars_fragment, + map_particle_fragment, + map_particle_pars_fragment, + metalnessmap_fragment, + metalnessmap_pars_fragment, + morphcolor_vertex, + morphnormal_vertex, + morphtarget_pars_vertex, + morphtarget_vertex, + normal_fragment_begin, + normal_fragment_maps, + normal_pars_fragment, + normal_pars_vertex, + normal_vertex, + normalmap_pars_fragment, + clearcoat_normal_fragment_begin, + clearcoat_normal_fragment_maps, + clearcoat_pars_fragment, + iridescence_pars_fragment, + opaque_fragment, + packing, + premultiplied_alpha_fragment, + project_vertex, + dithering_fragment, + dithering_pars_fragment, + roughnessmap_fragment, + roughnessmap_pars_fragment, + shadowmap_pars_fragment, + shadowmap_pars_vertex, + shadowmap_vertex, + shadowmask_pars_fragment, + skinbase_vertex, + skinning_pars_vertex, + skinning_vertex, + skinnormal_vertex, + specularmap_fragment, + specularmap_pars_fragment, + tonemapping_fragment, + tonemapping_pars_fragment, + transmission_fragment, + transmission_pars_fragment, + uv_pars_fragment, + uv_pars_vertex, + uv_vertex, + worldpos_vertex, + background_vert: vertex$h, + background_frag: fragment$h, + backgroundCube_vert: vertex$g, + backgroundCube_frag: fragment$g, + cube_vert: vertex$f, + cube_frag: fragment$f, + depth_vert: vertex$e, + depth_frag: fragment$e, + distanceRGBA_vert: vertex$d, + distanceRGBA_frag: fragment$d, + equirect_vert: vertex$c, + equirect_frag: fragment$c, + linedashed_vert: vertex$b, + linedashed_frag: fragment$b, + meshbasic_vert: vertex$a, + meshbasic_frag: fragment$a, + meshlambert_vert: vertex$9, + meshlambert_frag: fragment$9, + meshmatcap_vert: vertex$8, + meshmatcap_frag: fragment$8, + meshnormal_vert: vertex$7, + meshnormal_frag: fragment$7, + meshphong_vert: vertex$6, + meshphong_frag: fragment$6, + meshphysical_vert: vertex$5, + meshphysical_frag: fragment$5, + meshtoon_vert: vertex$4, + meshtoon_frag: fragment$4, + points_vert: vertex$3, + points_frag: fragment$3, + shadow_vert: vertex$2, + shadow_frag: fragment$2, + sprite_vert: vertex$1, + sprite_frag: fragment$1 +}; +const UniformsLib = { + common: { + diffuse: { value: /* @__PURE__ */ new Color(16777215) }, + opacity: { value: 1 }, + map: { value: null }, + mapTransform: { value: /* @__PURE__ */ new Matrix3() }, + alphaMap: { value: null }, + alphaMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + alphaTest: { value: 0 } + }, + specularmap: { + specularMap: { value: null }, + specularMapTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + envmap: { + envMap: { value: null }, + flipEnvMap: { value: -1 }, + reflectivity: { value: 1 }, + // basic, lambert, phong + ior: { value: 1.5 }, + // physical + refractionRatio: { value: 0.98 } + // basic, lambert, phong + }, + aomap: { + aoMap: { value: null }, + aoMapIntensity: { value: 1 }, + aoMapTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + lightmap: { + lightMap: { value: null }, + lightMapIntensity: { value: 1 }, + lightMapTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + bumpmap: { + bumpMap: { value: null }, + bumpMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + bumpScale: { value: 1 } + }, + normalmap: { + normalMap: { value: null }, + normalMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + normalScale: { value: /* @__PURE__ */ new Vector2(1, 1) } + }, + displacementmap: { + displacementMap: { value: null }, + displacementMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } + }, + emissivemap: { + emissiveMap: { value: null }, + emissiveMapTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + metalnessmap: { + metalnessMap: { value: null }, + metalnessMapTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + roughnessmap: { + roughnessMap: { value: null }, + roughnessMapTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + gradientmap: { + gradientMap: { value: null } + }, + fog: { + fogDensity: { value: 25e-5 }, + fogNear: { value: 1 }, + fogFar: { value: 2e3 }, + fogColor: { value: /* @__PURE__ */ new Color(16777215) } + }, + lights: { + ambientLightColor: { value: [] }, + lightProbe: { value: [] }, + directionalLights: { value: [], properties: { + direction: {}, + color: {} + } }, + directionalLightShadows: { value: [], properties: { + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {} + } }, + spotLightShadows: { value: [], properties: { + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + spotLightMap: { value: [] }, + spotShadowMap: { value: [] }, + spotLightMatrix: { value: [] }, + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {} + } }, + pointLightShadows: { value: [], properties: { + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {}, + shadowCameraNear: {}, + shadowCameraFar: {} + } }, + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } }, + // TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src + rectAreaLights: { value: [], properties: { + color: {}, + position: {}, + width: {}, + height: {} + } }, + ltc_1: { value: null }, + ltc_2: { value: null } + }, + points: { + diffuse: { value: /* @__PURE__ */ new Color(16777215) }, + opacity: { value: 1 }, + size: { value: 1 }, + scale: { value: 1 }, + map: { value: null }, + alphaMap: { value: null }, + alphaMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + alphaTest: { value: 0 }, + uvTransform: { value: /* @__PURE__ */ new Matrix3() } + }, + sprite: { + diffuse: { value: /* @__PURE__ */ new Color(16777215) }, + opacity: { value: 1 }, + center: { value: /* @__PURE__ */ new Vector2(0.5, 0.5) }, + rotation: { value: 0 }, + map: { value: null }, + mapTransform: { value: /* @__PURE__ */ new Matrix3() }, + alphaMap: { value: null }, + alphaMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + alphaTest: { value: 0 } + } +}; +const ShaderLib = { + basic: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.fog + ]), + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + }, + lambert: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /* @__PURE__ */ new Color(0) } + } + ]), + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag + }, + phong: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /* @__PURE__ */ new Color(0) }, + specular: { value: /* @__PURE__ */ new Color(1118481) }, + shininess: { value: 30 } + } + ]), + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + }, + standard: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /* @__PURE__ */ new Color(0) }, + roughness: { value: 1 }, + metalness: { value: 0 }, + envMapIntensity: { value: 1 } + // temporary + } + ]), + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + }, + toon: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.gradientmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /* @__PURE__ */ new Color(0) } + } + ]), + vertexShader: ShaderChunk.meshtoon_vert, + fragmentShader: ShaderChunk.meshtoon_frag + }, + matcap: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + { + matcap: { value: null } + } + ]), + vertexShader: ShaderChunk.meshmatcap_vert, + fragmentShader: ShaderChunk.meshmatcap_frag + }, + points: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.points, + UniformsLib.fog + ]), + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + }, + dashed: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.fog, + { + scale: { value: 1 }, + dashSize: { value: 1 }, + totalSize: { value: 2 } + } + ]), + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + }, + depth: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.displacementmap + ]), + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + }, + normal: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + { + opacity: { value: 1 } + } + ]), + vertexShader: ShaderChunk.meshnormal_vert, + fragmentShader: ShaderChunk.meshnormal_frag + }, + sprite: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.sprite, + UniformsLib.fog + ]), + vertexShader: ShaderChunk.sprite_vert, + fragmentShader: ShaderChunk.sprite_frag + }, + background: { + uniforms: { + uvTransform: { value: /* @__PURE__ */ new Matrix3() }, + t2D: { value: null }, + backgroundIntensity: { value: 1 } + }, + vertexShader: ShaderChunk.background_vert, + fragmentShader: ShaderChunk.background_frag + }, + backgroundCube: { + uniforms: { + envMap: { value: null }, + flipEnvMap: { value: -1 }, + backgroundBlurriness: { value: 0 }, + backgroundIntensity: { value: 1 } + }, + vertexShader: ShaderChunk.backgroundCube_vert, + fragmentShader: ShaderChunk.backgroundCube_frag + }, + cube: { + uniforms: { + tCube: { value: null }, + tFlip: { value: -1 }, + opacity: { value: 1 } + }, + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + }, + equirect: { + uniforms: { + tEquirect: { value: null } + }, + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + }, + distanceRGBA: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.common, + UniformsLib.displacementmap, + { + referencePosition: { value: /* @__PURE__ */ new Vector3() }, + nearDistance: { value: 1 }, + farDistance: { value: 1e3 } + } + ]), + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + }, + shadow: { + uniforms: /* @__PURE__ */ mergeUniforms([ + UniformsLib.lights, + UniformsLib.fog, + { + color: { value: /* @__PURE__ */ new Color(0) }, + opacity: { value: 1 } + } + ]), + vertexShader: ShaderChunk.shadow_vert, + fragmentShader: ShaderChunk.shadow_frag + } +}; +ShaderLib.physical = { + uniforms: /* @__PURE__ */ mergeUniforms([ + ShaderLib.standard.uniforms, + { + clearcoat: { value: 0 }, + clearcoatMap: { value: null }, + clearcoatMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + clearcoatNormalMap: { value: null }, + clearcoatNormalMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + clearcoatNormalScale: { value: /* @__PURE__ */ new Vector2(1, 1) }, + clearcoatRoughness: { value: 0 }, + clearcoatRoughnessMap: { value: null }, + clearcoatRoughnessMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + iridescence: { value: 0 }, + iridescenceMap: { value: null }, + iridescenceMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + iridescenceIOR: { value: 1.3 }, + iridescenceThicknessMinimum: { value: 100 }, + iridescenceThicknessMaximum: { value: 400 }, + iridescenceThicknessMap: { value: null }, + iridescenceThicknessMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + sheen: { value: 0 }, + sheenColor: { value: /* @__PURE__ */ new Color(0) }, + sheenColorMap: { value: null }, + sheenColorMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + sheenRoughness: { value: 1 }, + sheenRoughnessMap: { value: null }, + sheenRoughnessMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + transmission: { value: 0 }, + transmissionMap: { value: null }, + transmissionMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + transmissionSamplerSize: { value: /* @__PURE__ */ new Vector2() }, + transmissionSamplerMap: { value: null }, + thickness: { value: 0 }, + thicknessMap: { value: null }, + thicknessMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + attenuationDistance: { value: 0 }, + attenuationColor: { value: /* @__PURE__ */ new Color(0) }, + specularColor: { value: /* @__PURE__ */ new Color(1, 1, 1) }, + specularColorMap: { value: null }, + specularColorMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + specularIntensity: { value: 1 }, + specularIntensityMap: { value: null }, + specularIntensityMapTransform: { value: /* @__PURE__ */ new Matrix3() }, + anisotropyVector: { value: /* @__PURE__ */ new Vector2() }, + anisotropyMap: { value: null }, + anisotropyMapTransform: { value: /* @__PURE__ */ new Matrix3() } + } + ]), + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag +}; +const _rgb = { r: 0, b: 0, g: 0 }; +function WebGLBackground(renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha) { + const clearColor = new Color(0); + let clearAlpha = alpha === true ? 0 : 1; + let planeMesh; + let boxMesh; + let currentBackground = null; + let currentBackgroundVersion = 0; + let currentTonemapping = null; + function render(renderList, scene) { + let forceClear = false; + let background = scene.isScene === true ? scene.background : null; + if (background && background.isTexture) { + const usePMREM = scene.backgroundBlurriness > 0; + background = (usePMREM ? cubeuvmaps : cubemaps).get(background); + } + if (background === null) { + setClear(clearColor, clearAlpha); + } else if (background && background.isColor) { + setClear(background, 1); + forceClear = true; + } + const environmentBlendMode = renderer.xr.getEnvironmentBlendMode(); + if (environmentBlendMode === "additive") { + state.buffers.color.setClear(0, 0, 0, 1, premultipliedAlpha); + } else if (environmentBlendMode === "alpha-blend") { + state.buffers.color.setClear(0, 0, 0, 0, premultipliedAlpha); + } + if (renderer.autoClear || forceClear) { + renderer.clear(renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil); + } + if (background && (background.isCubeTexture || background.mapping === CubeUVReflectionMapping)) { + if (boxMesh === void 0) { + boxMesh = new Mesh( + new BoxGeometry(1, 1, 1), + new ShaderMaterial({ + name: "BackgroundCubeMaterial", + uniforms: cloneUniforms(ShaderLib.backgroundCube.uniforms), + vertexShader: ShaderLib.backgroundCube.vertexShader, + fragmentShader: ShaderLib.backgroundCube.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + }) + ); + boxMesh.geometry.deleteAttribute("normal"); + boxMesh.geometry.deleteAttribute("uv"); + boxMesh.onBeforeRender = function(renderer2, scene2, camera) { + this.matrixWorld.copyPosition(camera.matrixWorld); + }; + Object.defineProperty(boxMesh.material, "envMap", { + get: function() { + return this.uniforms.envMap.value; + } + }); + objects.update(boxMesh); + } + boxMesh.material.uniforms.envMap.value = background; + boxMesh.material.uniforms.flipEnvMap.value = background.isCubeTexture && background.isRenderTargetTexture === false ? -1 : 1; + boxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness; + boxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity; + boxMesh.material.toneMapped = ColorManagement.getTransfer(background.colorSpace) !== SRGBTransfer; + if (currentBackground !== background || currentBackgroundVersion !== background.version || currentTonemapping !== renderer.toneMapping) { + boxMesh.material.needsUpdate = true; + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + } + boxMesh.layers.enableAll(); + renderList.unshift(boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null); + } else if (background && background.isTexture) { + if (planeMesh === void 0) { + planeMesh = new Mesh( + new PlaneGeometry(2, 2), + new ShaderMaterial({ + name: "BackgroundMaterial", + uniforms: cloneUniforms(ShaderLib.background.uniforms), + vertexShader: ShaderLib.background.vertexShader, + fragmentShader: ShaderLib.background.fragmentShader, + side: FrontSide, + depthTest: false, + depthWrite: false, + fog: false + }) + ); + planeMesh.geometry.deleteAttribute("normal"); + Object.defineProperty(planeMesh.material, "map", { + get: function() { + return this.uniforms.t2D.value; + } + }); + objects.update(planeMesh); + } + planeMesh.material.uniforms.t2D.value = background; + planeMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity; + planeMesh.material.toneMapped = ColorManagement.getTransfer(background.colorSpace) !== SRGBTransfer; + if (background.matrixAutoUpdate === true) { + background.updateMatrix(); + } + planeMesh.material.uniforms.uvTransform.value.copy(background.matrix); + if (currentBackground !== background || currentBackgroundVersion !== background.version || currentTonemapping !== renderer.toneMapping) { + planeMesh.material.needsUpdate = true; + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + } + planeMesh.layers.enableAll(); + renderList.unshift(planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null); + } + } + function setClear(color, alpha2) { + color.getRGB(_rgb, getUnlitUniformColorSpace(renderer)); + state.buffers.color.setClear(_rgb.r, _rgb.g, _rgb.b, alpha2, premultipliedAlpha); + } + return { + getClearColor: function() { + return clearColor; + }, + setClearColor: function(color, alpha2 = 1) { + clearColor.set(color); + clearAlpha = alpha2; + setClear(clearColor, clearAlpha); + }, + getClearAlpha: function() { + return clearAlpha; + }, + setClearAlpha: function(alpha2) { + clearAlpha = alpha2; + setClear(clearColor, clearAlpha); + }, + render + }; +} +function WebGLBindingStates(gl, extensions, attributes, capabilities) { + const maxVertexAttributes = gl.getParameter(gl.MAX_VERTEX_ATTRIBS); + const extension = capabilities.isWebGL2 ? null : extensions.get("OES_vertex_array_object"); + const vaoAvailable = capabilities.isWebGL2 || extension !== null; + const bindingStates = {}; + const defaultState = createBindingState(null); + let currentState = defaultState; + let forceUpdate = false; + function setup(object, material, program, geometry, index) { + let updateBuffers = false; + if (vaoAvailable) { + const state = getBindingState(geometry, program, material); + if (currentState !== state) { + currentState = state; + bindVertexArrayObject(currentState.object); + } + updateBuffers = needsUpdate(object, geometry, program, index); + if (updateBuffers) + saveCache(object, geometry, program, index); + } else { + const wireframe = material.wireframe === true; + if (currentState.geometry !== geometry.id || currentState.program !== program.id || currentState.wireframe !== wireframe) { + currentState.geometry = geometry.id; + currentState.program = program.id; + currentState.wireframe = wireframe; + updateBuffers = true; + } + } + if (index !== null) { + attributes.update(index, gl.ELEMENT_ARRAY_BUFFER); + } + if (updateBuffers || forceUpdate) { + forceUpdate = false; + setupVertexAttributes(object, material, program, geometry); + if (index !== null) { + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, attributes.get(index).buffer); + } + } + } + function createVertexArrayObject() { + if (capabilities.isWebGL2) + return gl.createVertexArray(); + return extension.createVertexArrayOES(); + } + function bindVertexArrayObject(vao) { + if (capabilities.isWebGL2) + return gl.bindVertexArray(vao); + return extension.bindVertexArrayOES(vao); + } + function deleteVertexArrayObject(vao) { + if (capabilities.isWebGL2) + return gl.deleteVertexArray(vao); + return extension.deleteVertexArrayOES(vao); + } + function getBindingState(geometry, program, material) { + const wireframe = material.wireframe === true; + let programMap = bindingStates[geometry.id]; + if (programMap === void 0) { + programMap = {}; + bindingStates[geometry.id] = programMap; + } + let stateMap = programMap[program.id]; + if (stateMap === void 0) { + stateMap = {}; + programMap[program.id] = stateMap; + } + let state = stateMap[wireframe]; + if (state === void 0) { + state = createBindingState(createVertexArrayObject()); + stateMap[wireframe] = state; + } + return state; + } + function createBindingState(vao) { + const newAttributes = []; + const enabledAttributes = []; + const attributeDivisors = []; + for (let i = 0; i < maxVertexAttributes; i++) { + newAttributes[i] = 0; + enabledAttributes[i] = 0; + attributeDivisors[i] = 0; + } + return { + // for backward compatibility on non-VAO support browser + geometry: null, + program: null, + wireframe: false, + newAttributes, + enabledAttributes, + attributeDivisors, + object: vao, + attributes: {}, + index: null + }; + } + function needsUpdate(object, geometry, program, index) { + const cachedAttributes = currentState.attributes; + const geometryAttributes = geometry.attributes; + let attributesNum = 0; + const programAttributes = program.getAttributes(); + for (const name in programAttributes) { + const programAttribute = programAttributes[name]; + if (programAttribute.location >= 0) { + const cachedAttribute = cachedAttributes[name]; + let geometryAttribute = geometryAttributes[name]; + if (geometryAttribute === void 0) { + if (name === "instanceMatrix" && object.instanceMatrix) + geometryAttribute = object.instanceMatrix; + if (name === "instanceColor" && object.instanceColor) + geometryAttribute = object.instanceColor; + } + if (cachedAttribute === void 0) + return true; + if (cachedAttribute.attribute !== geometryAttribute) + return true; + if (geometryAttribute && cachedAttribute.data !== geometryAttribute.data) + return true; + attributesNum++; + } + } + if (currentState.attributesNum !== attributesNum) + return true; + if (currentState.index !== index) + return true; + return false; + } + function saveCache(object, geometry, program, index) { + const cache = {}; + const attributes2 = geometry.attributes; + let attributesNum = 0; + const programAttributes = program.getAttributes(); + for (const name in programAttributes) { + const programAttribute = programAttributes[name]; + if (programAttribute.location >= 0) { + let attribute = attributes2[name]; + if (attribute === void 0) { + if (name === "instanceMatrix" && object.instanceMatrix) + attribute = object.instanceMatrix; + if (name === "instanceColor" && object.instanceColor) + attribute = object.instanceColor; + } + const data = {}; + data.attribute = attribute; + if (attribute && attribute.data) { + data.data = attribute.data; + } + cache[name] = data; + attributesNum++; + } + } + currentState.attributes = cache; + currentState.attributesNum = attributesNum; + currentState.index = index; + } + function initAttributes() { + const newAttributes = currentState.newAttributes; + for (let i = 0, il = newAttributes.length; i < il; i++) { + newAttributes[i] = 0; + } + } + function enableAttribute(attribute) { + enableAttributeAndDivisor(attribute, 0); + } + function enableAttributeAndDivisor(attribute, meshPerAttribute) { + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + const attributeDivisors = currentState.attributeDivisors; + newAttributes[attribute] = 1; + if (enabledAttributes[attribute] === 0) { + gl.enableVertexAttribArray(attribute); + enabledAttributes[attribute] = 1; + } + if (attributeDivisors[attribute] !== meshPerAttribute) { + const extension2 = capabilities.isWebGL2 ? gl : extensions.get("ANGLE_instanced_arrays"); + extension2[capabilities.isWebGL2 ? "vertexAttribDivisor" : "vertexAttribDivisorANGLE"](attribute, meshPerAttribute); + attributeDivisors[attribute] = meshPerAttribute; + } + } + function disableUnusedAttributes() { + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + for (let i = 0, il = enabledAttributes.length; i < il; i++) { + if (enabledAttributes[i] !== newAttributes[i]) { + gl.disableVertexAttribArray(i); + enabledAttributes[i] = 0; + } + } + } + function vertexAttribPointer(index, size, type, normalized, stride, offset, integer) { + if (integer === true) { + gl.vertexAttribIPointer(index, size, type, stride, offset); + } else { + gl.vertexAttribPointer(index, size, type, normalized, stride, offset); + } + } + function setupVertexAttributes(object, material, program, geometry) { + if (capabilities.isWebGL2 === false && (object.isInstancedMesh || geometry.isInstancedBufferGeometry)) { + if (extensions.get("ANGLE_instanced_arrays") === null) + return; + } + initAttributes(); + const geometryAttributes = geometry.attributes; + const programAttributes = program.getAttributes(); + const materialDefaultAttributeValues = material.defaultAttributeValues; + for (const name in programAttributes) { + const programAttribute = programAttributes[name]; + if (programAttribute.location >= 0) { + let geometryAttribute = geometryAttributes[name]; + if (geometryAttribute === void 0) { + if (name === "instanceMatrix" && object.instanceMatrix) + geometryAttribute = object.instanceMatrix; + if (name === "instanceColor" && object.instanceColor) + geometryAttribute = object.instanceColor; + } + if (geometryAttribute !== void 0) { + const normalized = geometryAttribute.normalized; + const size = geometryAttribute.itemSize; + const attribute = attributes.get(geometryAttribute); + if (attribute === void 0) + continue; + const buffer = attribute.buffer; + const type = attribute.type; + const bytesPerElement = attribute.bytesPerElement; + const integer = capabilities.isWebGL2 === true && (type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType); + if (geometryAttribute.isInterleavedBufferAttribute) { + const data = geometryAttribute.data; + const stride = data.stride; + const offset = geometryAttribute.offset; + if (data.isInstancedInterleavedBuffer) { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttributeAndDivisor(programAttribute.location + i, data.meshPerAttribute); + } + if (object.isInstancedMesh !== true && geometry._maxInstanceCount === void 0) { + geometry._maxInstanceCount = data.meshPerAttribute * data.count; + } + } else { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttribute(programAttribute.location + i); + } + } + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + for (let i = 0; i < programAttribute.locationSize; i++) { + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + stride * bytesPerElement, + (offset + size / programAttribute.locationSize * i) * bytesPerElement, + integer + ); + } + } else { + if (geometryAttribute.isInstancedBufferAttribute) { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttributeAndDivisor(programAttribute.location + i, geometryAttribute.meshPerAttribute); + } + if (object.isInstancedMesh !== true && geometry._maxInstanceCount === void 0) { + geometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + } + } else { + for (let i = 0; i < programAttribute.locationSize; i++) { + enableAttribute(programAttribute.location + i); + } + } + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + for (let i = 0; i < programAttribute.locationSize; i++) { + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + size * bytesPerElement, + size / programAttribute.locationSize * i * bytesPerElement, + integer + ); + } + } + } else if (materialDefaultAttributeValues !== void 0) { + const value = materialDefaultAttributeValues[name]; + if (value !== void 0) { + switch (value.length) { + case 2: + gl.vertexAttrib2fv(programAttribute.location, value); + break; + case 3: + gl.vertexAttrib3fv(programAttribute.location, value); + break; + case 4: + gl.vertexAttrib4fv(programAttribute.location, value); + break; + default: + gl.vertexAttrib1fv(programAttribute.location, value); + } + } + } + } + } + disableUnusedAttributes(); + } + function dispose() { + reset(); + for (const geometryId in bindingStates) { + const programMap = bindingStates[geometryId]; + for (const programId in programMap) { + const stateMap = programMap[programId]; + for (const wireframe in stateMap) { + deleteVertexArrayObject(stateMap[wireframe].object); + delete stateMap[wireframe]; + } + delete programMap[programId]; + } + delete bindingStates[geometryId]; + } + } + function releaseStatesOfGeometry(geometry) { + if (bindingStates[geometry.id] === void 0) + return; + const programMap = bindingStates[geometry.id]; + for (const programId in programMap) { + const stateMap = programMap[programId]; + for (const wireframe in stateMap) { + deleteVertexArrayObject(stateMap[wireframe].object); + delete stateMap[wireframe]; + } + delete programMap[programId]; + } + delete bindingStates[geometry.id]; + } + function releaseStatesOfProgram(program) { + for (const geometryId in bindingStates) { + const programMap = bindingStates[geometryId]; + if (programMap[program.id] === void 0) + continue; + const stateMap = programMap[program.id]; + for (const wireframe in stateMap) { + deleteVertexArrayObject(stateMap[wireframe].object); + delete stateMap[wireframe]; + } + delete programMap[program.id]; + } + } + function reset() { + resetDefaultState(); + forceUpdate = true; + if (currentState === defaultState) + return; + currentState = defaultState; + bindVertexArrayObject(currentState.object); + } + function resetDefaultState() { + defaultState.geometry = null; + defaultState.program = null; + defaultState.wireframe = false; + } + return { + setup, + reset, + resetDefaultState, + dispose, + releaseStatesOfGeometry, + releaseStatesOfProgram, + initAttributes, + enableAttribute, + disableUnusedAttributes + }; +} +function WebGLBufferRenderer(gl, extensions, info, capabilities) { + const isWebGL2 = capabilities.isWebGL2; + let mode; + function setMode(value) { + mode = value; + } + function render(start, count) { + gl.drawArrays(mode, start, count); + info.update(count, mode, 1); + } + function renderInstances(start, count, primcount) { + if (primcount === 0) + return; + let extension, methodName; + if (isWebGL2) { + extension = gl; + methodName = "drawArraysInstanced"; + } else { + extension = extensions.get("ANGLE_instanced_arrays"); + methodName = "drawArraysInstancedANGLE"; + if (extension === null) { + console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays."); + return; + } + } + extension[methodName](mode, start, count, primcount); + info.update(count, mode, primcount); + } + function renderMultiDraw(starts, counts, drawCount) { + if (drawCount === 0) + return; + const extension = extensions.get("WEBGL_multi_draw"); + if (extension === null) { + for (let i = 0; i < drawCount; i++) { + this.render(starts[i], counts[i]); + } + } else { + extension.multiDrawArraysWEBGL(mode, starts, 0, counts, 0, drawCount); + let elementCount = 0; + for (let i = 0; i < drawCount; i++) { + elementCount += counts[i]; + } + info.update(elementCount, mode, 1); + } + } + this.setMode = setMode; + this.render = render; + this.renderInstances = renderInstances; + this.renderMultiDraw = renderMultiDraw; +} +function WebGLCapabilities(gl, extensions, parameters) { + let maxAnisotropy; + function getMaxAnisotropy() { + if (maxAnisotropy !== void 0) + return maxAnisotropy; + if (extensions.has("EXT_texture_filter_anisotropic") === true) { + const extension = extensions.get("EXT_texture_filter_anisotropic"); + maxAnisotropy = gl.getParameter(extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT); + } else { + maxAnisotropy = 0; + } + return maxAnisotropy; + } + function getMaxPrecision(precision2) { + if (precision2 === "highp") { + if (gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.HIGH_FLOAT).precision > 0 && gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT).precision > 0) { + return "highp"; + } + precision2 = "mediump"; + } + if (precision2 === "mediump") { + if (gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.MEDIUM_FLOAT).precision > 0 && gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT).precision > 0) { + return "mediump"; + } + } + return "lowp"; + } + const isWebGL2 = typeof WebGL2RenderingContext !== "undefined" && gl.constructor.name === "WebGL2RenderingContext"; + let precision = parameters.precision !== void 0 ? parameters.precision : "highp"; + const maxPrecision = getMaxPrecision(precision); + if (maxPrecision !== precision) { + console.warn("THREE.WebGLRenderer:", precision, "not supported, using", maxPrecision, "instead."); + precision = maxPrecision; + } + const drawBuffers = isWebGL2 || extensions.has("WEBGL_draw_buffers"); + const logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; + const maxTextures = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS); + const maxVertexTextures = gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS); + const maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE); + const maxCubemapSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE); + const maxAttributes = gl.getParameter(gl.MAX_VERTEX_ATTRIBS); + const maxVertexUniforms = gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS); + const maxVaryings = gl.getParameter(gl.MAX_VARYING_VECTORS); + const maxFragmentUniforms = gl.getParameter(gl.MAX_FRAGMENT_UNIFORM_VECTORS); + const vertexTextures = maxVertexTextures > 0; + const floatFragmentTextures = isWebGL2 || extensions.has("OES_texture_float"); + const floatVertexTextures = vertexTextures && floatFragmentTextures; + const maxSamples = isWebGL2 ? gl.getParameter(gl.MAX_SAMPLES) : 0; + return { + isWebGL2, + drawBuffers, + getMaxAnisotropy, + getMaxPrecision, + precision, + logarithmicDepthBuffer, + maxTextures, + maxVertexTextures, + maxTextureSize, + maxCubemapSize, + maxAttributes, + maxVertexUniforms, + maxVaryings, + maxFragmentUniforms, + vertexTextures, + floatFragmentTextures, + floatVertexTextures, + maxSamples + }; +} +function WebGLClipping(properties) { + const scope = this; + let globalState = null, numGlobalPlanes = 0, localClippingEnabled = false, renderingShadows = false; + const plane = new Plane(), viewNormalMatrix = new Matrix3(), uniform = { value: null, needsUpdate: false }; + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; + this.init = function(planes, enableLocalClipping) { + const enabled = planes.length !== 0 || enableLocalClipping || // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || localClippingEnabled; + localClippingEnabled = enableLocalClipping; + numGlobalPlanes = planes.length; + return enabled; + }; + this.beginShadows = function() { + renderingShadows = true; + projectPlanes(null); + }; + this.endShadows = function() { + renderingShadows = false; + }; + this.setGlobalState = function(planes, camera) { + globalState = projectPlanes(planes, camera, 0); + }; + this.setState = function(material, camera, useCache) { + const planes = material.clippingPlanes, clipIntersection = material.clipIntersection, clipShadows = material.clipShadows; + const materialProperties = properties.get(material); + if (!localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && !clipShadows) { + if (renderingShadows) { + projectPlanes(null); + } else { + resetGlobalState(); + } + } else { + const nGlobal = renderingShadows ? 0 : numGlobalPlanes, lGlobal = nGlobal * 4; + let dstArray = materialProperties.clippingState || null; + uniform.value = dstArray; + dstArray = projectPlanes(planes, camera, lGlobal, useCache); + for (let i = 0; i !== lGlobal; ++i) { + dstArray[i] = globalState[i]; + } + materialProperties.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; + } + }; + function resetGlobalState() { + if (uniform.value !== globalState) { + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; + } + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; + } + function projectPlanes(planes, camera, dstOffset, skipTransform) { + const nPlanes = planes !== null ? planes.length : 0; + let dstArray = null; + if (nPlanes !== 0) { + dstArray = uniform.value; + if (skipTransform !== true || dstArray === null) { + const flatSize = dstOffset + nPlanes * 4, viewMatrix = camera.matrixWorldInverse; + viewNormalMatrix.getNormalMatrix(viewMatrix); + if (dstArray === null || dstArray.length < flatSize) { + dstArray = new Float32Array(flatSize); + } + for (let i = 0, i4 = dstOffset; i !== nPlanes; ++i, i4 += 4) { + plane.copy(planes[i]).applyMatrix4(viewMatrix, viewNormalMatrix); + plane.normal.toArray(dstArray, i4); + dstArray[i4 + 3] = plane.constant; + } + } + uniform.value = dstArray; + uniform.needsUpdate = true; + } + scope.numPlanes = nPlanes; + scope.numIntersection = 0; + return dstArray; + } +} +function WebGLCubeMaps(renderer) { + let cubemaps = /* @__PURE__ */ new WeakMap(); + function mapTextureMapping(texture, mapping) { + if (mapping === EquirectangularReflectionMapping) { + texture.mapping = CubeReflectionMapping; + } else if (mapping === EquirectangularRefractionMapping) { + texture.mapping = CubeRefractionMapping; + } + return texture; + } + function get(texture) { + if (texture && texture.isTexture) { + const mapping = texture.mapping; + if (mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping) { + if (cubemaps.has(texture)) { + const cubemap = cubemaps.get(texture).texture; + return mapTextureMapping(cubemap, texture.mapping); + } else { + const image = texture.image; + if (image && image.height > 0) { + const renderTarget = new WebGLCubeRenderTarget(image.height / 2); + renderTarget.fromEquirectangularTexture(renderer, texture); + cubemaps.set(texture, renderTarget); + texture.addEventListener("dispose", onTextureDispose); + return mapTextureMapping(renderTarget.texture, texture.mapping); + } else { + return null; + } + } + } + } + return texture; + } + function onTextureDispose(event) { + const texture = event.target; + texture.removeEventListener("dispose", onTextureDispose); + const cubemap = cubemaps.get(texture); + if (cubemap !== void 0) { + cubemaps.delete(texture); + cubemap.dispose(); + } + } + function dispose() { + cubemaps = /* @__PURE__ */ new WeakMap(); + } + return { + get, + dispose + }; +} +class OrthographicCamera extends Camera { + constructor(left = -1, right = 1, top = 1, bottom = -1, near = 0.1, far = 2e3) { + super(); + this.isOrthographicCamera = true; + this.type = "OrthographicCamera"; + this.zoom = 1; + this.view = null; + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; + this.near = near; + this.far = far; + this.updateProjectionMatrix(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign({}, source.view); + return this; + } + setViewOffset(fullWidth, fullHeight, x, y, width, height) { + if (this.view === null) { + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + } + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + this.updateProjectionMatrix(); + } + clearViewOffset() { + if (this.view !== null) { + this.view.enabled = false; + } + this.updateProjectionMatrix(); + } + updateProjectionMatrix() { + const dx = (this.right - this.left) / (2 * this.zoom); + const dy = (this.top - this.bottom) / (2 * this.zoom); + const cx = (this.right + this.left) / 2; + const cy = (this.top + this.bottom) / 2; + let left = cx - dx; + let right = cx + dx; + let top = cy + dy; + let bottom = cy - dy; + if (this.view !== null && this.view.enabled) { + const scaleW = (this.right - this.left) / this.view.fullWidth / this.zoom; + const scaleH = (this.top - this.bottom) / this.view.fullHeight / this.zoom; + left += scaleW * this.view.offsetX; + right = left + scaleW * this.view.width; + top -= scaleH * this.view.offsetY; + bottom = top - scaleH * this.view.height; + } + this.projectionMatrix.makeOrthographic(left, right, top, bottom, this.near, this.far, this.coordinateSystem); + this.projectionMatrixInverse.copy(this.projectionMatrix).invert(); + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + if (this.view !== null) + data.object.view = Object.assign({}, this.view); + return data; + } +} +const LOD_MIN = 4; +const EXTRA_LOD_SIGMA = [0.125, 0.215, 0.35, 0.446, 0.526, 0.582]; +const MAX_SAMPLES = 20; +const _flatCamera = /* @__PURE__ */ new OrthographicCamera(); +const _clearColor = /* @__PURE__ */ new Color(); +let _oldTarget = null; +let _oldActiveCubeFace = 0; +let _oldActiveMipmapLevel = 0; +const PHI = (1 + Math.sqrt(5)) / 2; +const INV_PHI = 1 / PHI; +const _axisDirections = [ + /* @__PURE__ */ new Vector3(1, 1, 1), + /* @__PURE__ */ new Vector3(-1, 1, 1), + /* @__PURE__ */ new Vector3(1, 1, -1), + /* @__PURE__ */ new Vector3(-1, 1, -1), + /* @__PURE__ */ new Vector3(0, PHI, INV_PHI), + /* @__PURE__ */ new Vector3(0, PHI, -INV_PHI), + /* @__PURE__ */ new Vector3(INV_PHI, 0, PHI), + /* @__PURE__ */ new Vector3(-INV_PHI, 0, PHI), + /* @__PURE__ */ new Vector3(PHI, INV_PHI, 0), + /* @__PURE__ */ new Vector3(-PHI, INV_PHI, 0) +]; +class PMREMGenerator { + constructor(renderer) { + this._renderer = renderer; + this._pingPongRenderTarget = null; + this._lodMax = 0; + this._cubeSize = 0; + this._lodPlanes = []; + this._sizeLods = []; + this._sigmas = []; + this._blurMaterial = null; + this._cubemapMaterial = null; + this._equirectMaterial = null; + this._compileMaterial(this._blurMaterial); + } + /** + * Generates a PMREM from a supplied Scene, which can be faster than using an + * image if networking bandwidth is low. Optional sigma specifies a blur radius + * in radians to be applied to the scene before PMREM generation. Optional near + * and far planes ensure the scene is rendered in its entirety (the cubeCamera + * is placed at the origin). + */ + fromScene(scene, sigma = 0, near = 0.1, far = 100) { + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + this._setSize(256); + const cubeUVRenderTarget = this._allocateTargets(); + cubeUVRenderTarget.depthBuffer = true; + this._sceneToCubeUV(scene, near, far, cubeUVRenderTarget); + if (sigma > 0) { + this._blur(cubeUVRenderTarget, 0, 0, sigma); + } + this._applyPMREM(cubeUVRenderTarget); + this._cleanup(cubeUVRenderTarget); + return cubeUVRenderTarget; + } + /** + * Generates a PMREM from an equirectangular texture, which can be either LDR + * or HDR. The ideal input image size is 1k (1024 x 512), + * as this matches best with the 256 x 256 cubemap output. + */ + fromEquirectangular(equirectangular, renderTarget = null) { + return this._fromTexture(equirectangular, renderTarget); + } + /** + * Generates a PMREM from an cubemap texture, which can be either LDR + * or HDR. The ideal input cube size is 256 x 256, + * as this matches best with the 256 x 256 cubemap output. + */ + fromCubemap(cubemap, renderTarget = null) { + return this._fromTexture(cubemap, renderTarget); + } + /** + * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileCubemapShader() { + if (this._cubemapMaterial === null) { + this._cubemapMaterial = _getCubemapMaterial(); + this._compileMaterial(this._cubemapMaterial); + } + } + /** + * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileEquirectangularShader() { + if (this._equirectMaterial === null) { + this._equirectMaterial = _getEquirectMaterial(); + this._compileMaterial(this._equirectMaterial); + } + } + /** + * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class, + * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on + * one of them will cause any others to also become unusable. + */ + dispose() { + this._dispose(); + if (this._cubemapMaterial !== null) + this._cubemapMaterial.dispose(); + if (this._equirectMaterial !== null) + this._equirectMaterial.dispose(); + } + // private interface + _setSize(cubeSize) { + this._lodMax = Math.floor(Math.log2(cubeSize)); + this._cubeSize = Math.pow(2, this._lodMax); + } + _dispose() { + if (this._blurMaterial !== null) + this._blurMaterial.dispose(); + if (this._pingPongRenderTarget !== null) + this._pingPongRenderTarget.dispose(); + for (let i = 0; i < this._lodPlanes.length; i++) { + this._lodPlanes[i].dispose(); + } + } + _cleanup(outputTarget) { + this._renderer.setRenderTarget(_oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel); + outputTarget.scissorTest = false; + _setViewport(outputTarget, 0, 0, outputTarget.width, outputTarget.height); + } + _fromTexture(texture, renderTarget) { + if (texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping) { + this._setSize(texture.image.length === 0 ? 16 : texture.image[0].width || texture.image[0].image.width); + } else { + this._setSize(texture.image.width / 4); + } + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + const cubeUVRenderTarget = renderTarget || this._allocateTargets(); + this._textureToCubeUV(texture, cubeUVRenderTarget); + this._applyPMREM(cubeUVRenderTarget); + this._cleanup(cubeUVRenderTarget); + return cubeUVRenderTarget; + } + _allocateTargets() { + const width = 3 * Math.max(this._cubeSize, 16 * 7); + const height = 4 * this._cubeSize; + const params = { + magFilter: LinearFilter, + minFilter: LinearFilter, + generateMipmaps: false, + type: HalfFloatType, + format: RGBAFormat, + colorSpace: LinearSRGBColorSpace, + depthBuffer: false + }; + const cubeUVRenderTarget = _createRenderTarget(width, height, params); + if (this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height) { + if (this._pingPongRenderTarget !== null) { + this._dispose(); + } + this._pingPongRenderTarget = _createRenderTarget(width, height, params); + const { _lodMax } = this; + ({ sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes(_lodMax)); + this._blurMaterial = _getBlurShader(_lodMax, width, height); + } + return cubeUVRenderTarget; + } + _compileMaterial(material) { + const tmpMesh = new Mesh(this._lodPlanes[0], material); + this._renderer.compile(tmpMesh, _flatCamera); + } + _sceneToCubeUV(scene, near, far, cubeUVRenderTarget) { + const fov2 = 90; + const aspect2 = 1; + const cubeCamera = new PerspectiveCamera(fov2, aspect2, near, far); + const upSign = [1, -1, 1, 1, 1, 1]; + const forwardSign = [1, 1, 1, -1, -1, -1]; + const renderer = this._renderer; + const originalAutoClear = renderer.autoClear; + const toneMapping = renderer.toneMapping; + renderer.getClearColor(_clearColor); + renderer.toneMapping = NoToneMapping; + renderer.autoClear = false; + const backgroundMaterial = new MeshBasicMaterial({ + name: "PMREM.Background", + side: BackSide, + depthWrite: false, + depthTest: false + }); + const backgroundBox = new Mesh(new BoxGeometry(), backgroundMaterial); + let useSolidColor = false; + const background = scene.background; + if (background) { + if (background.isColor) { + backgroundMaterial.color.copy(background); + scene.background = null; + useSolidColor = true; + } + } else { + backgroundMaterial.color.copy(_clearColor); + useSolidColor = true; + } + for (let i = 0; i < 6; i++) { + const col = i % 3; + if (col === 0) { + cubeCamera.up.set(0, upSign[i], 0); + cubeCamera.lookAt(forwardSign[i], 0, 0); + } else if (col === 1) { + cubeCamera.up.set(0, 0, upSign[i]); + cubeCamera.lookAt(0, forwardSign[i], 0); + } else { + cubeCamera.up.set(0, upSign[i], 0); + cubeCamera.lookAt(0, 0, forwardSign[i]); + } + const size = this._cubeSize; + _setViewport(cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size); + renderer.setRenderTarget(cubeUVRenderTarget); + if (useSolidColor) { + renderer.render(backgroundBox, cubeCamera); + } + renderer.render(scene, cubeCamera); + } + backgroundBox.geometry.dispose(); + backgroundBox.material.dispose(); + renderer.toneMapping = toneMapping; + renderer.autoClear = originalAutoClear; + scene.background = background; + } + _textureToCubeUV(texture, cubeUVRenderTarget) { + const renderer = this._renderer; + const isCubeTexture = texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping; + if (isCubeTexture) { + if (this._cubemapMaterial === null) { + this._cubemapMaterial = _getCubemapMaterial(); + } + this._cubemapMaterial.uniforms.flipEnvMap.value = texture.isRenderTargetTexture === false ? -1 : 1; + } else { + if (this._equirectMaterial === null) { + this._equirectMaterial = _getEquirectMaterial(); + } + } + const material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial; + const mesh = new Mesh(this._lodPlanes[0], material); + const uniforms = material.uniforms; + uniforms["envMap"].value = texture; + const size = this._cubeSize; + _setViewport(cubeUVRenderTarget, 0, 0, 3 * size, 2 * size); + renderer.setRenderTarget(cubeUVRenderTarget); + renderer.render(mesh, _flatCamera); + } + _applyPMREM(cubeUVRenderTarget) { + const renderer = this._renderer; + const autoClear = renderer.autoClear; + renderer.autoClear = false; + for (let i = 1; i < this._lodPlanes.length; i++) { + const sigma = Math.sqrt(this._sigmas[i] * this._sigmas[i] - this._sigmas[i - 1] * this._sigmas[i - 1]); + const poleAxis = _axisDirections[(i - 1) % _axisDirections.length]; + this._blur(cubeUVRenderTarget, i - 1, i, sigma, poleAxis); + } + renderer.autoClear = autoClear; + } + /** + * This is a two-pass Gaussian blur for a cubemap. Normally this is done + * vertically and horizontally, but this breaks down on a cube. Here we apply + * the blur latitudinally (around the poles), and then longitudinally (towards + * the poles) to approximate the orthogonally-separable blur. It is least + * accurate at the poles, but still does a decent job. + */ + _blur(cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis) { + const pingPongRenderTarget = this._pingPongRenderTarget; + this._halfBlur( + cubeUVRenderTarget, + pingPongRenderTarget, + lodIn, + lodOut, + sigma, + "latitudinal", + poleAxis + ); + this._halfBlur( + pingPongRenderTarget, + cubeUVRenderTarget, + lodOut, + lodOut, + sigma, + "longitudinal", + poleAxis + ); + } + _halfBlur(targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis) { + const renderer = this._renderer; + const blurMaterial = this._blurMaterial; + if (direction !== "latitudinal" && direction !== "longitudinal") { + console.error( + "blur direction must be either latitudinal or longitudinal!" + ); + } + const STANDARD_DEVIATIONS = 3; + const blurMesh = new Mesh(this._lodPlanes[lodOut], blurMaterial); + const blurUniforms = blurMaterial.uniforms; + const pixels = this._sizeLods[lodIn] - 1; + const radiansPerPixel = isFinite(sigmaRadians) ? Math.PI / (2 * pixels) : 2 * Math.PI / (2 * MAX_SAMPLES - 1); + const sigmaPixels = sigmaRadians / radiansPerPixel; + const samples = isFinite(sigmaRadians) ? 1 + Math.floor(STANDARD_DEVIATIONS * sigmaPixels) : MAX_SAMPLES; + if (samples > MAX_SAMPLES) { + console.warn(`sigmaRadians, ${sigmaRadians}, is too large and will clip, as it requested ${samples} samples when the maximum is set to ${MAX_SAMPLES}`); + } + const weights = []; + let sum = 0; + for (let i = 0; i < MAX_SAMPLES; ++i) { + const x2 = i / sigmaPixels; + const weight = Math.exp(-x2 * x2 / 2); + weights.push(weight); + if (i === 0) { + sum += weight; + } else if (i < samples) { + sum += 2 * weight; + } + } + for (let i = 0; i < weights.length; i++) { + weights[i] = weights[i] / sum; + } + blurUniforms["envMap"].value = targetIn.texture; + blurUniforms["samples"].value = samples; + blurUniforms["weights"].value = weights; + blurUniforms["latitudinal"].value = direction === "latitudinal"; + if (poleAxis) { + blurUniforms["poleAxis"].value = poleAxis; + } + const { _lodMax } = this; + blurUniforms["dTheta"].value = radiansPerPixel; + blurUniforms["mipInt"].value = _lodMax - lodIn; + const outputSize = this._sizeLods[lodOut]; + const x = 3 * outputSize * (lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0); + const y = 4 * (this._cubeSize - outputSize); + _setViewport(targetOut, x, y, 3 * outputSize, 2 * outputSize); + renderer.setRenderTarget(targetOut); + renderer.render(blurMesh, _flatCamera); + } +} +function _createPlanes(lodMax) { + const lodPlanes = []; + const sizeLods = []; + const sigmas = []; + let lod = lodMax; + const totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length; + for (let i = 0; i < totalLods; i++) { + const sizeLod = Math.pow(2, lod); + sizeLods.push(sizeLod); + let sigma = 1 / sizeLod; + if (i > lodMax - LOD_MIN) { + sigma = EXTRA_LOD_SIGMA[i - lodMax + LOD_MIN - 1]; + } else if (i === 0) { + sigma = 0; + } + sigmas.push(sigma); + const texelSize = 1 / (sizeLod - 2); + const min = -texelSize; + const max = 1 + texelSize; + const uv1 = [min, min, max, min, max, max, min, min, max, max, min, max]; + const cubeFaces = 6; + const vertices = 6; + const positionSize = 3; + const uvSize = 2; + const faceIndexSize = 1; + const position = new Float32Array(positionSize * vertices * cubeFaces); + const uv = new Float32Array(uvSize * vertices * cubeFaces); + const faceIndex = new Float32Array(faceIndexSize * vertices * cubeFaces); + for (let face = 0; face < cubeFaces; face++) { + const x = face % 3 * 2 / 3 - 1; + const y = face > 2 ? 0 : -1; + const coordinates = [ + x, + y, + 0, + x + 2 / 3, + y, + 0, + x + 2 / 3, + y + 1, + 0, + x, + y, + 0, + x + 2 / 3, + y + 1, + 0, + x, + y + 1, + 0 + ]; + position.set(coordinates, positionSize * vertices * face); + uv.set(uv1, uvSize * vertices * face); + const fill = [face, face, face, face, face, face]; + faceIndex.set(fill, faceIndexSize * vertices * face); + } + const planes = new BufferGeometry(); + planes.setAttribute("position", new BufferAttribute(position, positionSize)); + planes.setAttribute("uv", new BufferAttribute(uv, uvSize)); + planes.setAttribute("faceIndex", new BufferAttribute(faceIndex, faceIndexSize)); + lodPlanes.push(planes); + if (lod > LOD_MIN) { + lod--; + } + } + return { lodPlanes, sizeLods, sigmas }; +} +function _createRenderTarget(width, height, params) { + const cubeUVRenderTarget = new WebGLRenderTarget(width, height, params); + cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping; + cubeUVRenderTarget.texture.name = "PMREM.cubeUv"; + cubeUVRenderTarget.scissorTest = true; + return cubeUVRenderTarget; +} +function _setViewport(target, x, y, width, height) { + target.viewport.set(x, y, width, height); + target.scissor.set(x, y, width, height); +} +function _getBlurShader(lodMax, width, height) { + const weights = new Float32Array(MAX_SAMPLES); + const poleAxis = new Vector3(0, 1, 0); + const shaderMaterial = new ShaderMaterial({ + name: "SphericalGaussianBlur", + defines: { + "n": MAX_SAMPLES, + "CUBEUV_TEXEL_WIDTH": 1 / width, + "CUBEUV_TEXEL_HEIGHT": 1 / height, + "CUBEUV_MAX_MIP": `${lodMax}.0` + }, + uniforms: { + "envMap": { value: null }, + "samples": { value: 1 }, + "weights": { value: weights }, + "latitudinal": { value: false }, + "dTheta": { value: 0 }, + "mipInt": { value: 0 }, + "poleAxis": { value: poleAxis } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + uniform int samples; + uniform float weights[ n ]; + uniform bool latitudinal; + uniform float dTheta; + uniform float mipInt; + uniform vec3 poleAxis; + + #define ENVMAP_TYPE_CUBE_UV + #include + + vec3 getSample( float theta, vec3 axis ) { + + float cosTheta = cos( theta ); + // Rodrigues' axis-angle rotation + vec3 sampleDirection = vOutputDirection * cosTheta + + cross( axis, vOutputDirection ) * sin( theta ) + + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta ); + + return bilinearCubeUV( envMap, sampleDirection, mipInt ); + + } + + void main() { + + vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection ); + + if ( all( equal( axis, vec3( 0.0 ) ) ) ) { + + axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x ); + + } + + axis = normalize( axis ); + + gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis ); + + for ( int i = 1; i < n; i++ ) { + + if ( i >= samples ) { + + break; + + } + + float theta = dTheta * float( i ); + gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis ); + gl_FragColor.rgb += weights[ i ] * getSample( theta, axis ); + + } + + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); + return shaderMaterial; +} +function _getEquirectMaterial() { + return new ShaderMaterial({ + name: "EquirectangularToCubeUV", + uniforms: { + "envMap": { value: null } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + + #include + + void main() { + + vec3 outputDirection = normalize( vOutputDirection ); + vec2 uv = equirectUv( outputDirection ); + + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); + + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); +} +function _getCubemapMaterial() { + return new ShaderMaterial({ + name: "CubemapToCubeUV", + uniforms: { + "envMap": { value: null }, + "flipEnvMap": { value: -1 } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + uniform float flipEnvMap; + + varying vec3 vOutputDirection; + + uniform samplerCube envMap; + + void main() { + + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); + + } + ` + ), + blending: NoBlending, + depthTest: false, + depthWrite: false + }); +} +function _getCommonVertexShader() { + return ( + /* glsl */ + ` + + precision mediump float; + precision mediump int; + + attribute float faceIndex; + + varying vec3 vOutputDirection; + + // RH coordinate system; PMREM face-indexing convention + vec3 getDirection( vec2 uv, float face ) { + + uv = 2.0 * uv - 1.0; + + vec3 direction = vec3( uv, 1.0 ); + + if ( face == 0.0 ) { + + direction = direction.zyx; // ( 1, v, u ) pos x + + } else if ( face == 1.0 ) { + + direction = direction.xzy; + direction.xz *= -1.0; // ( -u, 1, -v ) pos y + + } else if ( face == 2.0 ) { + + direction.x *= -1.0; // ( -u, v, 1 ) pos z + + } else if ( face == 3.0 ) { + + direction = direction.zyx; + direction.xz *= -1.0; // ( -1, v, -u ) neg x + + } else if ( face == 4.0 ) { + + direction = direction.xzy; + direction.xy *= -1.0; // ( -u, -1, v ) neg y + + } else if ( face == 5.0 ) { + + direction.z *= -1.0; // ( u, v, -1 ) neg z + + } + + return direction; + + } + + void main() { + + vOutputDirection = getDirection( uv, faceIndex ); + gl_Position = vec4( position, 1.0 ); + + } + ` + ); +} +function WebGLCubeUVMaps(renderer) { + let cubeUVmaps = /* @__PURE__ */ new WeakMap(); + let pmremGenerator = null; + function get(texture) { + if (texture && texture.isTexture) { + const mapping = texture.mapping; + const isEquirectMap = mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping; + const isCubeMap = mapping === CubeReflectionMapping || mapping === CubeRefractionMapping; + if (isEquirectMap || isCubeMap) { + if (texture.isRenderTargetTexture && texture.needsPMREMUpdate === true) { + texture.needsPMREMUpdate = false; + let renderTarget = cubeUVmaps.get(texture); + if (pmremGenerator === null) + pmremGenerator = new PMREMGenerator(renderer); + renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular(texture, renderTarget) : pmremGenerator.fromCubemap(texture, renderTarget); + cubeUVmaps.set(texture, renderTarget); + return renderTarget.texture; + } else { + if (cubeUVmaps.has(texture)) { + return cubeUVmaps.get(texture).texture; + } else { + const image = texture.image; + if (isEquirectMap && image && image.height > 0 || isCubeMap && image && isCubeTextureComplete(image)) { + if (pmremGenerator === null) + pmremGenerator = new PMREMGenerator(renderer); + const renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular(texture) : pmremGenerator.fromCubemap(texture); + cubeUVmaps.set(texture, renderTarget); + texture.addEventListener("dispose", onTextureDispose); + return renderTarget.texture; + } else { + return null; + } + } + } + } + } + return texture; + } + function isCubeTextureComplete(image) { + let count = 0; + const length = 6; + for (let i = 0; i < length; i++) { + if (image[i] !== void 0) + count++; + } + return count === length; + } + function onTextureDispose(event) { + const texture = event.target; + texture.removeEventListener("dispose", onTextureDispose); + const cubemapUV = cubeUVmaps.get(texture); + if (cubemapUV !== void 0) { + cubeUVmaps.delete(texture); + cubemapUV.dispose(); + } + } + function dispose() { + cubeUVmaps = /* @__PURE__ */ new WeakMap(); + if (pmremGenerator !== null) { + pmremGenerator.dispose(); + pmremGenerator = null; + } + } + return { + get, + dispose + }; +} +function WebGLExtensions(gl) { + const extensions = {}; + function getExtension(name) { + if (extensions[name] !== void 0) { + return extensions[name]; + } + let extension; + switch (name) { + case "WEBGL_depth_texture": + extension = gl.getExtension("WEBGL_depth_texture") || gl.getExtension("MOZ_WEBGL_depth_texture") || gl.getExtension("WEBKIT_WEBGL_depth_texture"); + break; + case "EXT_texture_filter_anisotropic": + extension = gl.getExtension("EXT_texture_filter_anisotropic") || gl.getExtension("MOZ_EXT_texture_filter_anisotropic") || gl.getExtension("WEBKIT_EXT_texture_filter_anisotropic"); + break; + case "WEBGL_compressed_texture_s3tc": + extension = gl.getExtension("WEBGL_compressed_texture_s3tc") || gl.getExtension("MOZ_WEBGL_compressed_texture_s3tc") || gl.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc"); + break; + case "WEBGL_compressed_texture_pvrtc": + extension = gl.getExtension("WEBGL_compressed_texture_pvrtc") || gl.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc"); + break; + default: + extension = gl.getExtension(name); + } + extensions[name] = extension; + return extension; + } + return { + has: function(name) { + return getExtension(name) !== null; + }, + init: function(capabilities) { + if (capabilities.isWebGL2) { + getExtension("EXT_color_buffer_float"); + } else { + getExtension("WEBGL_depth_texture"); + getExtension("OES_texture_float"); + getExtension("OES_texture_half_float"); + getExtension("OES_texture_half_float_linear"); + getExtension("OES_standard_derivatives"); + getExtension("OES_element_index_uint"); + getExtension("OES_vertex_array_object"); + getExtension("ANGLE_instanced_arrays"); + } + getExtension("OES_texture_float_linear"); + getExtension("EXT_color_buffer_half_float"); + getExtension("WEBGL_multisampled_render_to_texture"); + }, + get: function(name) { + const extension = getExtension(name); + if (extension === null) { + console.warn("THREE.WebGLRenderer: " + name + " extension not supported."); + } + return extension; + } + }; +} +function WebGLGeometries(gl, attributes, info, bindingStates) { + const geometries = {}; + const wireframeAttributes = /* @__PURE__ */ new WeakMap(); + function onGeometryDispose(event) { + const geometry = event.target; + if (geometry.index !== null) { + attributes.remove(geometry.index); + } + for (const name in geometry.attributes) { + attributes.remove(geometry.attributes[name]); + } + for (const name in geometry.morphAttributes) { + const array = geometry.morphAttributes[name]; + for (let i = 0, l = array.length; i < l; i++) { + attributes.remove(array[i]); + } + } + geometry.removeEventListener("dispose", onGeometryDispose); + delete geometries[geometry.id]; + const attribute = wireframeAttributes.get(geometry); + if (attribute) { + attributes.remove(attribute); + wireframeAttributes.delete(geometry); + } + bindingStates.releaseStatesOfGeometry(geometry); + if (geometry.isInstancedBufferGeometry === true) { + delete geometry._maxInstanceCount; + } + info.memory.geometries--; + } + function get(object, geometry) { + if (geometries[geometry.id] === true) + return geometry; + geometry.addEventListener("dispose", onGeometryDispose); + geometries[geometry.id] = true; + info.memory.geometries++; + return geometry; + } + function update2(geometry) { + const geometryAttributes = geometry.attributes; + for (const name in geometryAttributes) { + attributes.update(geometryAttributes[name], gl.ARRAY_BUFFER); + } + const morphAttributes = geometry.morphAttributes; + for (const name in morphAttributes) { + const array = morphAttributes[name]; + for (let i = 0, l = array.length; i < l; i++) { + attributes.update(array[i], gl.ARRAY_BUFFER); + } + } + } + function updateWireframeAttribute(geometry) { + const indices = []; + const geometryIndex = geometry.index; + const geometryPosition = geometry.attributes.position; + let version = 0; + if (geometryIndex !== null) { + const array = geometryIndex.array; + version = geometryIndex.version; + for (let i = 0, l = array.length; i < l; i += 3) { + const a = array[i + 0]; + const b = array[i + 1]; + const c = array[i + 2]; + indices.push(a, b, b, c, c, a); + } + } else if (geometryPosition !== void 0) { + const array = geometryPosition.array; + version = geometryPosition.version; + for (let i = 0, l = array.length / 3 - 1; i < l; i += 3) { + const a = i + 0; + const b = i + 1; + const c = i + 2; + indices.push(a, b, b, c, c, a); + } + } else { + return; + } + const attribute = new (arrayNeedsUint32(indices) ? Uint32BufferAttribute : Uint16BufferAttribute)(indices, 1); + attribute.version = version; + const previousAttribute = wireframeAttributes.get(geometry); + if (previousAttribute) + attributes.remove(previousAttribute); + wireframeAttributes.set(geometry, attribute); + } + function getWireframeAttribute(geometry) { + const currentAttribute = wireframeAttributes.get(geometry); + if (currentAttribute) { + const geometryIndex = geometry.index; + if (geometryIndex !== null) { + if (currentAttribute.version < geometryIndex.version) { + updateWireframeAttribute(geometry); + } + } + } else { + updateWireframeAttribute(geometry); + } + return wireframeAttributes.get(geometry); + } + return { + get, + update: update2, + getWireframeAttribute + }; +} +function WebGLIndexedBufferRenderer(gl, extensions, info, capabilities) { + const isWebGL2 = capabilities.isWebGL2; + let mode; + function setMode(value) { + mode = value; + } + let type, bytesPerElement; + function setIndex(value) { + type = value.type; + bytesPerElement = value.bytesPerElement; + } + function render(start, count) { + gl.drawElements(mode, count, type, start * bytesPerElement); + info.update(count, mode, 1); + } + function renderInstances(start, count, primcount) { + if (primcount === 0) + return; + let extension, methodName; + if (isWebGL2) { + extension = gl; + methodName = "drawElementsInstanced"; + } else { + extension = extensions.get("ANGLE_instanced_arrays"); + methodName = "drawElementsInstancedANGLE"; + if (extension === null) { + console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays."); + return; + } + } + extension[methodName](mode, count, type, start * bytesPerElement, primcount); + info.update(count, mode, primcount); + } + function renderMultiDraw(starts, counts, drawCount) { + if (drawCount === 0) + return; + const extension = extensions.get("WEBGL_multi_draw"); + if (extension === null) { + for (let i = 0; i < drawCount; i++) { + this.render(starts[i] / bytesPerElement, counts[i]); + } + } else { + extension.multiDrawElementsWEBGL(mode, counts, 0, type, starts, 0, drawCount); + let elementCount = 0; + for (let i = 0; i < drawCount; i++) { + elementCount += counts[i]; + } + info.update(elementCount, mode, 1); + } + } + this.setMode = setMode; + this.setIndex = setIndex; + this.render = render; + this.renderInstances = renderInstances; + this.renderMultiDraw = renderMultiDraw; +} +function WebGLInfo(gl) { + const memory = { + geometries: 0, + textures: 0 + }; + const render = { + frame: 0, + calls: 0, + triangles: 0, + points: 0, + lines: 0 + }; + function update2(count, mode, instanceCount) { + render.calls++; + switch (mode) { + case gl.TRIANGLES: + render.triangles += instanceCount * (count / 3); + break; + case gl.LINES: + render.lines += instanceCount * (count / 2); + break; + case gl.LINE_STRIP: + render.lines += instanceCount * (count - 1); + break; + case gl.LINE_LOOP: + render.lines += instanceCount * count; + break; + case gl.POINTS: + render.points += instanceCount * count; + break; + default: + console.error("THREE.WebGLInfo: Unknown draw mode:", mode); + break; + } + } + function reset() { + render.calls = 0; + render.triangles = 0; + render.points = 0; + render.lines = 0; + } + return { + memory, + render, + programs: null, + autoReset: true, + reset, + update: update2 + }; +} +function numericalSort(a, b) { + return a[0] - b[0]; +} +function absNumericalSort(a, b) { + return Math.abs(b[1]) - Math.abs(a[1]); +} +function WebGLMorphtargets(gl, capabilities, textures) { + const influencesList = {}; + const morphInfluences = new Float32Array(8); + const morphTextures = /* @__PURE__ */ new WeakMap(); + const morph = new Vector4(); + const workInfluences = []; + for (let i = 0; i < 8; i++) { + workInfluences[i] = [i, 0]; + } + function update2(object, geometry, program) { + const objectInfluences = object.morphTargetInfluences; + if (capabilities.isWebGL2 === true) { + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = morphAttribute !== void 0 ? morphAttribute.length : 0; + let entry = morphTextures.get(geometry); + if (entry === void 0 || entry.count !== morphTargetsCount) { + let disposeTexture = function() { + texture.dispose(); + morphTextures.delete(geometry); + geometry.removeEventListener("dispose", disposeTexture); + }; + if (entry !== void 0) + entry.texture.dispose(); + const hasMorphPosition = geometry.morphAttributes.position !== void 0; + const hasMorphNormals = geometry.morphAttributes.normal !== void 0; + const hasMorphColors = geometry.morphAttributes.color !== void 0; + const morphTargets = geometry.morphAttributes.position || []; + const morphNormals = geometry.morphAttributes.normal || []; + const morphColors = geometry.morphAttributes.color || []; + let vertexDataCount = 0; + if (hasMorphPosition === true) + vertexDataCount = 1; + if (hasMorphNormals === true) + vertexDataCount = 2; + if (hasMorphColors === true) + vertexDataCount = 3; + let width = geometry.attributes.position.count * vertexDataCount; + let height = 1; + if (width > capabilities.maxTextureSize) { + height = Math.ceil(width / capabilities.maxTextureSize); + width = capabilities.maxTextureSize; + } + const buffer = new Float32Array(width * height * 4 * morphTargetsCount); + const texture = new DataArrayTexture(buffer, width, height, morphTargetsCount); + texture.type = FloatType; + texture.needsUpdate = true; + const vertexDataStride = vertexDataCount * 4; + for (let i = 0; i < morphTargetsCount; i++) { + const morphTarget = morphTargets[i]; + const morphNormal = morphNormals[i]; + const morphColor = morphColors[i]; + const offset = width * height * 4 * i; + for (let j = 0; j < morphTarget.count; j++) { + const stride = j * vertexDataStride; + if (hasMorphPosition === true) { + morph.fromBufferAttribute(morphTarget, j); + buffer[offset + stride + 0] = morph.x; + buffer[offset + stride + 1] = morph.y; + buffer[offset + stride + 2] = morph.z; + buffer[offset + stride + 3] = 0; + } + if (hasMorphNormals === true) { + morph.fromBufferAttribute(morphNormal, j); + buffer[offset + stride + 4] = morph.x; + buffer[offset + stride + 5] = morph.y; + buffer[offset + stride + 6] = morph.z; + buffer[offset + stride + 7] = 0; + } + if (hasMorphColors === true) { + morph.fromBufferAttribute(morphColor, j); + buffer[offset + stride + 8] = morph.x; + buffer[offset + stride + 9] = morph.y; + buffer[offset + stride + 10] = morph.z; + buffer[offset + stride + 11] = morphColor.itemSize === 4 ? morph.w : 1; + } + } + } + entry = { + count: morphTargetsCount, + texture, + size: new Vector2(width, height) + }; + morphTextures.set(geometry, entry); + geometry.addEventListener("dispose", disposeTexture); + } + let morphInfluencesSum = 0; + for (let i = 0; i < objectInfluences.length; i++) { + morphInfluencesSum += objectInfluences[i]; + } + const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + program.getUniforms().setValue(gl, "morphTargetBaseInfluence", morphBaseInfluence); + program.getUniforms().setValue(gl, "morphTargetInfluences", objectInfluences); + program.getUniforms().setValue(gl, "morphTargetsTexture", entry.texture, textures); + program.getUniforms().setValue(gl, "morphTargetsTextureSize", entry.size); + } else { + const length = objectInfluences === void 0 ? 0 : objectInfluences.length; + let influences = influencesList[geometry.id]; + if (influences === void 0 || influences.length !== length) { + influences = []; + for (let i = 0; i < length; i++) { + influences[i] = [i, 0]; + } + influencesList[geometry.id] = influences; + } + for (let i = 0; i < length; i++) { + const influence = influences[i]; + influence[0] = i; + influence[1] = objectInfluences[i]; + } + influences.sort(absNumericalSort); + for (let i = 0; i < 8; i++) { + if (i < length && influences[i][1]) { + workInfluences[i][0] = influences[i][0]; + workInfluences[i][1] = influences[i][1]; + } else { + workInfluences[i][0] = Number.MAX_SAFE_INTEGER; + workInfluences[i][1] = 0; + } + } + workInfluences.sort(numericalSort); + const morphTargets = geometry.morphAttributes.position; + const morphNormals = geometry.morphAttributes.normal; + let morphInfluencesSum = 0; + for (let i = 0; i < 8; i++) { + const influence = workInfluences[i]; + const index = influence[0]; + const value = influence[1]; + if (index !== Number.MAX_SAFE_INTEGER && value) { + if (morphTargets && geometry.getAttribute("morphTarget" + i) !== morphTargets[index]) { + geometry.setAttribute("morphTarget" + i, morphTargets[index]); + } + if (morphNormals && geometry.getAttribute("morphNormal" + i) !== morphNormals[index]) { + geometry.setAttribute("morphNormal" + i, morphNormals[index]); + } + morphInfluences[i] = value; + morphInfluencesSum += value; + } else { + if (morphTargets && geometry.hasAttribute("morphTarget" + i) === true) { + geometry.deleteAttribute("morphTarget" + i); + } + if (morphNormals && geometry.hasAttribute("morphNormal" + i) === true) { + geometry.deleteAttribute("morphNormal" + i); + } + morphInfluences[i] = 0; + } + } + const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + program.getUniforms().setValue(gl, "morphTargetBaseInfluence", morphBaseInfluence); + program.getUniforms().setValue(gl, "morphTargetInfluences", morphInfluences); + } + } + return { + update: update2 + }; +} +function WebGLObjects(gl, geometries, attributes, info) { + let updateMap = /* @__PURE__ */ new WeakMap(); + function update2(object) { + const frame = info.render.frame; + const geometry = object.geometry; + const buffergeometry = geometries.get(object, geometry); + if (updateMap.get(buffergeometry) !== frame) { + geometries.update(buffergeometry); + updateMap.set(buffergeometry, frame); + } + if (object.isInstancedMesh) { + if (object.hasEventListener("dispose", onInstancedMeshDispose) === false) { + object.addEventListener("dispose", onInstancedMeshDispose); + } + if (updateMap.get(object) !== frame) { + attributes.update(object.instanceMatrix, gl.ARRAY_BUFFER); + if (object.instanceColor !== null) { + attributes.update(object.instanceColor, gl.ARRAY_BUFFER); + } + updateMap.set(object, frame); + } + } + if (object.isSkinnedMesh) { + const skeleton = object.skeleton; + if (updateMap.get(skeleton) !== frame) { + skeleton.update(); + updateMap.set(skeleton, frame); + } + } + return buffergeometry; + } + function dispose() { + updateMap = /* @__PURE__ */ new WeakMap(); + } + function onInstancedMeshDispose(event) { + const instancedMesh = event.target; + instancedMesh.removeEventListener("dispose", onInstancedMeshDispose); + attributes.remove(instancedMesh.instanceMatrix); + if (instancedMesh.instanceColor !== null) + attributes.remove(instancedMesh.instanceColor); + } + return { + update: update2, + dispose + }; +} +class DepthTexture extends Texture { + constructor(width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format) { + format = format !== void 0 ? format : DepthFormat; + if (format !== DepthFormat && format !== DepthStencilFormat) { + throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat"); + } + if (type === void 0 && format === DepthFormat) + type = UnsignedIntType; + if (type === void 0 && format === DepthStencilFormat) + type = UnsignedInt248Type; + super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isDepthTexture = true; + this.image = { width, height }; + this.magFilter = magFilter !== void 0 ? magFilter : NearestFilter; + this.minFilter = minFilter !== void 0 ? minFilter : NearestFilter; + this.flipY = false; + this.generateMipmaps = false; + this.compareFunction = null; + } + copy(source) { + super.copy(source); + this.compareFunction = source.compareFunction; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + if (this.compareFunction !== null) + data.compareFunction = this.compareFunction; + return data; + } +} +const emptyTexture = /* @__PURE__ */ new Texture(); +const emptyShadowTexture = /* @__PURE__ */ new DepthTexture(1, 1); +emptyShadowTexture.compareFunction = LessEqualCompare; +const emptyArrayTexture = /* @__PURE__ */ new DataArrayTexture(); +const empty3dTexture = /* @__PURE__ */ new Data3DTexture(); +const emptyCubeTexture = /* @__PURE__ */ new CubeTexture(); +const arrayCacheF32 = []; +const arrayCacheI32 = []; +const mat4array = new Float32Array(16); +const mat3array = new Float32Array(9); +const mat2array = new Float32Array(4); +function flatten(array, nBlocks, blockSize) { + const firstElem = array[0]; + if (firstElem <= 0 || firstElem > 0) + return array; + const n = nBlocks * blockSize; + let r = arrayCacheF32[n]; + if (r === void 0) { + r = new Float32Array(n); + arrayCacheF32[n] = r; + } + if (nBlocks !== 0) { + firstElem.toArray(r, 0); + for (let i = 1, offset = 0; i !== nBlocks; ++i) { + offset += blockSize; + array[i].toArray(r, offset); + } + } + return r; +} +function arraysEqual(a, b) { + if (a.length !== b.length) + return false; + for (let i = 0, l = a.length; i < l; i++) { + if (a[i] !== b[i]) + return false; + } + return true; +} +function copyArray(a, b) { + for (let i = 0, l = b.length; i < l; i++) { + a[i] = b[i]; + } +} +function allocTexUnits(textures, n) { + let r = arrayCacheI32[n]; + if (r === void 0) { + r = new Int32Array(n); + arrayCacheI32[n] = r; + } + for (let i = 0; i !== n; ++i) { + r[i] = textures.allocateTextureUnit(); + } + return r; +} +function setValueV1f(gl, v) { + const cache = this.cache; + if (cache[0] === v) + return; + gl.uniform1f(this.addr, v); + cache[0] = v; +} +function setValueV2f(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y) { + gl.uniform2f(this.addr, v.x, v.y); + cache[0] = v.x; + cache[1] = v.y; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform2fv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV3f(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) { + gl.uniform3f(this.addr, v.x, v.y, v.z); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + } + } else if (v.r !== void 0) { + if (cache[0] !== v.r || cache[1] !== v.g || cache[2] !== v.b) { + gl.uniform3f(this.addr, v.r, v.g, v.b); + cache[0] = v.r; + cache[1] = v.g; + cache[2] = v.b; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform3fv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV4f(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) { + gl.uniform4f(this.addr, v.x, v.y, v.z, v.w); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + cache[3] = v.w; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform4fv(this.addr, v); + copyArray(cache, v); + } +} +function setValueM2(gl, v) { + const cache = this.cache; + const elements = v.elements; + if (elements === void 0) { + if (arraysEqual(cache, v)) + return; + gl.uniformMatrix2fv(this.addr, false, v); + copyArray(cache, v); + } else { + if (arraysEqual(cache, elements)) + return; + mat2array.set(elements); + gl.uniformMatrix2fv(this.addr, false, mat2array); + copyArray(cache, elements); + } +} +function setValueM3(gl, v) { + const cache = this.cache; + const elements = v.elements; + if (elements === void 0) { + if (arraysEqual(cache, v)) + return; + gl.uniformMatrix3fv(this.addr, false, v); + copyArray(cache, v); + } else { + if (arraysEqual(cache, elements)) + return; + mat3array.set(elements); + gl.uniformMatrix3fv(this.addr, false, mat3array); + copyArray(cache, elements); + } +} +function setValueM4(gl, v) { + const cache = this.cache; + const elements = v.elements; + if (elements === void 0) { + if (arraysEqual(cache, v)) + return; + gl.uniformMatrix4fv(this.addr, false, v); + copyArray(cache, v); + } else { + if (arraysEqual(cache, elements)) + return; + mat4array.set(elements); + gl.uniformMatrix4fv(this.addr, false, mat4array); + copyArray(cache, elements); + } +} +function setValueV1i(gl, v) { + const cache = this.cache; + if (cache[0] === v) + return; + gl.uniform1i(this.addr, v); + cache[0] = v; +} +function setValueV2i(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y) { + gl.uniform2i(this.addr, v.x, v.y); + cache[0] = v.x; + cache[1] = v.y; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform2iv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV3i(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) { + gl.uniform3i(this.addr, v.x, v.y, v.z); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform3iv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV4i(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) { + gl.uniform4i(this.addr, v.x, v.y, v.z, v.w); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + cache[3] = v.w; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform4iv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV1ui(gl, v) { + const cache = this.cache; + if (cache[0] === v) + return; + gl.uniform1ui(this.addr, v); + cache[0] = v; +} +function setValueV2ui(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y) { + gl.uniform2ui(this.addr, v.x, v.y); + cache[0] = v.x; + cache[1] = v.y; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform2uiv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV3ui(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z) { + gl.uniform3ui(this.addr, v.x, v.y, v.z); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform3uiv(this.addr, v); + copyArray(cache, v); + } +} +function setValueV4ui(gl, v) { + const cache = this.cache; + if (v.x !== void 0) { + if (cache[0] !== v.x || cache[1] !== v.y || cache[2] !== v.z || cache[3] !== v.w) { + gl.uniform4ui(this.addr, v.x, v.y, v.z, v.w); + cache[0] = v.x; + cache[1] = v.y; + cache[2] = v.z; + cache[3] = v.w; + } + } else { + if (arraysEqual(cache, v)) + return; + gl.uniform4uiv(this.addr, v); + copyArray(cache, v); + } +} +function setValueT1(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + const emptyTexture2D = this.type === gl.SAMPLER_2D_SHADOW ? emptyShadowTexture : emptyTexture; + textures.setTexture2D(v || emptyTexture2D, unit); +} +function setValueT3D1(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + textures.setTexture3D(v || empty3dTexture, unit); +} +function setValueT6(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + textures.setTextureCube(v || emptyCubeTexture, unit); +} +function setValueT2DArray1(gl, v, textures) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if (cache[0] !== unit) { + gl.uniform1i(this.addr, unit); + cache[0] = unit; + } + textures.setTexture2DArray(v || emptyArrayTexture, unit); +} +function getSingularSetter(type) { + switch (type) { + case 5126: + return setValueV1f; + case 35664: + return setValueV2f; + case 35665: + return setValueV3f; + case 35666: + return setValueV4f; + case 35674: + return setValueM2; + case 35675: + return setValueM3; + case 35676: + return setValueM4; + case 5124: + case 35670: + return setValueV1i; + case 35667: + case 35671: + return setValueV2i; + case 35668: + case 35672: + return setValueV3i; + case 35669: + case 35673: + return setValueV4i; + case 5125: + return setValueV1ui; + case 36294: + return setValueV2ui; + case 36295: + return setValueV3ui; + case 36296: + return setValueV4ui; + case 35678: + case 36198: + case 36298: + case 36306: + case 35682: + return setValueT1; + case 35679: + case 36299: + case 36307: + return setValueT3D1; + case 35680: + case 36300: + case 36308: + case 36293: + return setValueT6; + case 36289: + case 36303: + case 36311: + case 36292: + return setValueT2DArray1; + } +} +function setValueV1fArray(gl, v) { + gl.uniform1fv(this.addr, v); +} +function setValueV2fArray(gl, v) { + const data = flatten(v, this.size, 2); + gl.uniform2fv(this.addr, data); +} +function setValueV3fArray(gl, v) { + const data = flatten(v, this.size, 3); + gl.uniform3fv(this.addr, data); +} +function setValueV4fArray(gl, v) { + const data = flatten(v, this.size, 4); + gl.uniform4fv(this.addr, data); +} +function setValueM2Array(gl, v) { + const data = flatten(v, this.size, 4); + gl.uniformMatrix2fv(this.addr, false, data); +} +function setValueM3Array(gl, v) { + const data = flatten(v, this.size, 9); + gl.uniformMatrix3fv(this.addr, false, data); +} +function setValueM4Array(gl, v) { + const data = flatten(v, this.size, 16); + gl.uniformMatrix4fv(this.addr, false, data); +} +function setValueV1iArray(gl, v) { + gl.uniform1iv(this.addr, v); +} +function setValueV2iArray(gl, v) { + gl.uniform2iv(this.addr, v); +} +function setValueV3iArray(gl, v) { + gl.uniform3iv(this.addr, v); +} +function setValueV4iArray(gl, v) { + gl.uniform4iv(this.addr, v); +} +function setValueV1uiArray(gl, v) { + gl.uniform1uiv(this.addr, v); +} +function setValueV2uiArray(gl, v) { + gl.uniform2uiv(this.addr, v); +} +function setValueV3uiArray(gl, v) { + gl.uniform3uiv(this.addr, v); +} +function setValueV4uiArray(gl, v) { + gl.uniform4uiv(this.addr, v); +} +function setValueT1Array(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTexture2D(v[i] || emptyTexture, units[i]); + } +} +function setValueT3DArray(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTexture3D(v[i] || empty3dTexture, units[i]); + } +} +function setValueT6Array(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTextureCube(v[i] || emptyCubeTexture, units[i]); + } +} +function setValueT2DArrayArray(gl, v, textures) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits(textures, n); + if (!arraysEqual(cache, units)) { + gl.uniform1iv(this.addr, units); + copyArray(cache, units); + } + for (let i = 0; i !== n; ++i) { + textures.setTexture2DArray(v[i] || emptyArrayTexture, units[i]); + } +} +function getPureArraySetter(type) { + switch (type) { + case 5126: + return setValueV1fArray; + case 35664: + return setValueV2fArray; + case 35665: + return setValueV3fArray; + case 35666: + return setValueV4fArray; + case 35674: + return setValueM2Array; + case 35675: + return setValueM3Array; + case 35676: + return setValueM4Array; + case 5124: + case 35670: + return setValueV1iArray; + case 35667: + case 35671: + return setValueV2iArray; + case 35668: + case 35672: + return setValueV3iArray; + case 35669: + case 35673: + return setValueV4iArray; + case 5125: + return setValueV1uiArray; + case 36294: + return setValueV2uiArray; + case 36295: + return setValueV3uiArray; + case 36296: + return setValueV4uiArray; + case 35678: + case 36198: + case 36298: + case 36306: + case 35682: + return setValueT1Array; + case 35679: + case 36299: + case 36307: + return setValueT3DArray; + case 35680: + case 36300: + case 36308: + case 36293: + return setValueT6Array; + case 36289: + case 36303: + case 36311: + case 36292: + return setValueT2DArrayArray; + } +} +class SingleUniform { + constructor(id, activeInfo, addr) { + this.id = id; + this.addr = addr; + this.cache = []; + this.type = activeInfo.type; + this.setValue = getSingularSetter(activeInfo.type); + } +} +class PureArrayUniform { + constructor(id, activeInfo, addr) { + this.id = id; + this.addr = addr; + this.cache = []; + this.type = activeInfo.type; + this.size = activeInfo.size; + this.setValue = getPureArraySetter(activeInfo.type); + } +} +class StructuredUniform { + constructor(id) { + this.id = id; + this.seq = []; + this.map = {}; + } + setValue(gl, value, textures) { + const seq = this.seq; + for (let i = 0, n = seq.length; i !== n; ++i) { + const u = seq[i]; + u.setValue(gl, value[u.id], textures); + } + } +} +const RePathPart = /(\w+)(\])?(\[|\.)?/g; +function addUniform(container, uniformObject) { + container.seq.push(uniformObject); + container.map[uniformObject.id] = uniformObject; +} +function parseUniform(activeInfo, addr, container) { + const path = activeInfo.name, pathLength = path.length; + RePathPart.lastIndex = 0; + while (true) { + const match = RePathPart.exec(path), matchEnd = RePathPart.lastIndex; + let id = match[1]; + const idIsIndex = match[2] === "]", subscript = match[3]; + if (idIsIndex) + id = id | 0; + if (subscript === void 0 || subscript === "[" && matchEnd + 2 === pathLength) { + addUniform(container, subscript === void 0 ? new SingleUniform(id, activeInfo, addr) : new PureArrayUniform(id, activeInfo, addr)); + break; + } else { + const map = container.map; + let next = map[id]; + if (next === void 0) { + next = new StructuredUniform(id); + addUniform(container, next); + } + container = next; + } + } +} +class WebGLUniforms { + constructor(gl, program) { + this.seq = []; + this.map = {}; + const n = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS); + for (let i = 0; i < n; ++i) { + const info = gl.getActiveUniform(program, i), addr = gl.getUniformLocation(program, info.name); + parseUniform(info, addr, this); + } + } + setValue(gl, name, value, textures) { + const u = this.map[name]; + if (u !== void 0) + u.setValue(gl, value, textures); + } + setOptional(gl, object, name) { + const v = object[name]; + if (v !== void 0) + this.setValue(gl, name, v); + } + static upload(gl, seq, values, textures) { + for (let i = 0, n = seq.length; i !== n; ++i) { + const u = seq[i], v = values[u.id]; + if (v.needsUpdate !== false) { + u.setValue(gl, v.value, textures); + } + } + } + static seqWithValue(seq, values) { + const r = []; + for (let i = 0, n = seq.length; i !== n; ++i) { + const u = seq[i]; + if (u.id in values) + r.push(u); + } + return r; + } +} +function WebGLShader(gl, type, string) { + const shader = gl.createShader(type); + gl.shaderSource(shader, string); + gl.compileShader(shader); + return shader; +} +const COMPLETION_STATUS_KHR = 37297; +let programIdCount = 0; +function handleSource(string, errorLine) { + const lines = string.split("\n"); + const lines2 = []; + const from = Math.max(errorLine - 6, 0); + const to = Math.min(errorLine + 6, lines.length); + for (let i = from; i < to; i++) { + const line = i + 1; + lines2.push(`${line === errorLine ? ">" : " "} ${line}: ${lines[i]}`); + } + return lines2.join("\n"); +} +function getEncodingComponents(colorSpace) { + const workingPrimaries = ColorManagement.getPrimaries(ColorManagement.workingColorSpace); + const encodingPrimaries = ColorManagement.getPrimaries(colorSpace); + let gamutMapping; + if (workingPrimaries === encodingPrimaries) { + gamutMapping = ""; + } else if (workingPrimaries === P3Primaries && encodingPrimaries === Rec709Primaries) { + gamutMapping = "LinearDisplayP3ToLinearSRGB"; + } else if (workingPrimaries === Rec709Primaries && encodingPrimaries === P3Primaries) { + gamutMapping = "LinearSRGBToLinearDisplayP3"; + } + switch (colorSpace) { + case LinearSRGBColorSpace: + case LinearDisplayP3ColorSpace: + return [gamutMapping, "LinearTransferOETF"]; + case SRGBColorSpace: + case DisplayP3ColorSpace: + return [gamutMapping, "sRGBTransferOETF"]; + default: + console.warn("THREE.WebGLProgram: Unsupported color space:", colorSpace); + return [gamutMapping, "LinearTransferOETF"]; + } +} +function getShaderErrors(gl, shader, type) { + const status = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + const errors = gl.getShaderInfoLog(shader).trim(); + if (status && errors === "") + return ""; + const errorMatches = /ERROR: 0:(\d+)/.exec(errors); + if (errorMatches) { + const errorLine = parseInt(errorMatches[1]); + return type.toUpperCase() + "\n\n" + errors + "\n\n" + handleSource(gl.getShaderSource(shader), errorLine); + } else { + return errors; + } +} +function getTexelEncodingFunction(functionName, colorSpace) { + const components = getEncodingComponents(colorSpace); + return `vec4 ${functionName}( vec4 value ) { return ${components[0]}( ${components[1]}( value ) ); }`; +} +function getToneMappingFunction(functionName, toneMapping) { + let toneMappingName; + switch (toneMapping) { + case LinearToneMapping: + toneMappingName = "Linear"; + break; + case ReinhardToneMapping: + toneMappingName = "Reinhard"; + break; + case CineonToneMapping: + toneMappingName = "OptimizedCineon"; + break; + case ACESFilmicToneMapping: + toneMappingName = "ACESFilmic"; + break; + case CustomToneMapping: + toneMappingName = "Custom"; + break; + default: + console.warn("THREE.WebGLProgram: Unsupported toneMapping:", toneMapping); + toneMappingName = "Linear"; + } + return "vec3 " + functionName + "( vec3 color ) { return " + toneMappingName + "ToneMapping( color ); }"; +} +function generateExtensions(parameters) { + const chunks = [ + parameters.extensionDerivatives || !!parameters.envMapCubeUVHeight || parameters.bumpMap || parameters.normalMapTangentSpace || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === "physical" ? "#extension GL_OES_standard_derivatives : enable" : "", + (parameters.extensionFragDepth || parameters.logarithmicDepthBuffer) && parameters.rendererExtensionFragDepth ? "#extension GL_EXT_frag_depth : enable" : "", + parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ? "#extension GL_EXT_draw_buffers : require" : "", + (parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission) && parameters.rendererExtensionShaderTextureLod ? "#extension GL_EXT_shader_texture_lod : enable" : "" + ]; + return chunks.filter(filterEmptyLine).join("\n"); +} +function generateDefines(defines) { + const chunks = []; + for (const name in defines) { + const value = defines[name]; + if (value === false) + continue; + chunks.push("#define " + name + " " + value); + } + return chunks.join("\n"); +} +function fetchAttributeLocations(gl, program) { + const attributes = {}; + const n = gl.getProgramParameter(program, gl.ACTIVE_ATTRIBUTES); + for (let i = 0; i < n; i++) { + const info = gl.getActiveAttrib(program, i); + const name = info.name; + let locationSize = 1; + if (info.type === gl.FLOAT_MAT2) + locationSize = 2; + if (info.type === gl.FLOAT_MAT3) + locationSize = 3; + if (info.type === gl.FLOAT_MAT4) + locationSize = 4; + attributes[name] = { + type: info.type, + location: gl.getAttribLocation(program, name), + locationSize + }; + } + return attributes; +} +function filterEmptyLine(string) { + return string !== ""; +} +function replaceLightNums(string, parameters) { + const numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps; + return string.replace(/NUM_DIR_LIGHTS/g, parameters.numDirLights).replace(/NUM_SPOT_LIGHTS/g, parameters.numSpotLights).replace(/NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps).replace(/NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords).replace(/NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g, parameters.numPointLights).replace(/NUM_HEMI_LIGHTS/g, parameters.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps).replace(/NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows); +} +function replaceClippingPlaneNums(string, parameters) { + return string.replace(/NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g, parameters.numClippingPlanes - parameters.numClipIntersection); +} +const includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm; +function resolveIncludes(string) { + return string.replace(includePattern, includeReplacer); +} +const shaderChunkMap = /* @__PURE__ */ new Map([ + ["encodings_fragment", "colorspace_fragment"], + // @deprecated, r154 + ["encodings_pars_fragment", "colorspace_pars_fragment"], + // @deprecated, r154 + ["output_fragment", "opaque_fragment"] + // @deprecated, r154 +]); +function includeReplacer(match, include) { + let string = ShaderChunk[include]; + if (string === void 0) { + const newInclude = shaderChunkMap.get(include); + if (newInclude !== void 0) { + string = ShaderChunk[newInclude]; + console.warn('THREE.WebGLRenderer: Shader chunk "%s" has been deprecated. Use "%s" instead.', include, newInclude); + } else { + throw new Error("Can not resolve #include <" + include + ">"); + } + } + return resolveIncludes(string); +} +const unrollLoopPattern = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g; +function unrollLoops(string) { + return string.replace(unrollLoopPattern, loopReplacer); +} +function loopReplacer(match, start, end, snippet) { + let string = ""; + for (let i = parseInt(start); i < parseInt(end); i++) { + string += snippet.replace(/\[\s*i\s*\]/g, "[ " + i + " ]").replace(/UNROLLED_LOOP_INDEX/g, i); + } + return string; +} +function generatePrecision(parameters) { + let precisionstring = "precision " + parameters.precision + " float;\nprecision " + parameters.precision + " int;"; + if (parameters.precision === "highp") { + precisionstring += "\n#define HIGH_PRECISION"; + } else if (parameters.precision === "mediump") { + precisionstring += "\n#define MEDIUM_PRECISION"; + } else if (parameters.precision === "lowp") { + precisionstring += "\n#define LOW_PRECISION"; + } + return precisionstring; +} +function generateShadowMapTypeDefine(parameters) { + let shadowMapTypeDefine = "SHADOWMAP_TYPE_BASIC"; + if (parameters.shadowMapType === PCFShadowMap) { + shadowMapTypeDefine = "SHADOWMAP_TYPE_PCF"; + } else if (parameters.shadowMapType === PCFSoftShadowMap) { + shadowMapTypeDefine = "SHADOWMAP_TYPE_PCF_SOFT"; + } else if (parameters.shadowMapType === VSMShadowMap) { + shadowMapTypeDefine = "SHADOWMAP_TYPE_VSM"; + } + return shadowMapTypeDefine; +} +function generateEnvMapTypeDefine(parameters) { + let envMapTypeDefine = "ENVMAP_TYPE_CUBE"; + if (parameters.envMap) { + switch (parameters.envMapMode) { + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = "ENVMAP_TYPE_CUBE"; + break; + case CubeUVReflectionMapping: + envMapTypeDefine = "ENVMAP_TYPE_CUBE_UV"; + break; + } + } + return envMapTypeDefine; +} +function generateEnvMapModeDefine(parameters) { + let envMapModeDefine = "ENVMAP_MODE_REFLECTION"; + if (parameters.envMap) { + switch (parameters.envMapMode) { + case CubeRefractionMapping: + envMapModeDefine = "ENVMAP_MODE_REFRACTION"; + break; + } + } + return envMapModeDefine; +} +function generateEnvMapBlendingDefine(parameters) { + let envMapBlendingDefine = "ENVMAP_BLENDING_NONE"; + if (parameters.envMap) { + switch (parameters.combine) { + case MultiplyOperation: + envMapBlendingDefine = "ENVMAP_BLENDING_MULTIPLY"; + break; + case MixOperation: + envMapBlendingDefine = "ENVMAP_BLENDING_MIX"; + break; + case AddOperation: + envMapBlendingDefine = "ENVMAP_BLENDING_ADD"; + break; + } + } + return envMapBlendingDefine; +} +function generateCubeUVSize(parameters) { + const imageHeight = parameters.envMapCubeUVHeight; + if (imageHeight === null) + return null; + const maxMip = Math.log2(imageHeight) - 2; + const texelHeight = 1 / imageHeight; + const texelWidth = 1 / (3 * Math.max(Math.pow(2, maxMip), 7 * 16)); + return { texelWidth, texelHeight, maxMip }; +} +function WebGLProgram(renderer, cacheKey, parameters, bindingStates) { + const gl = renderer.getContext(); + const defines = parameters.defines; + let vertexShader2 = parameters.vertexShader; + let fragmentShader2 = parameters.fragmentShader; + const shadowMapTypeDefine = generateShadowMapTypeDefine(parameters); + const envMapTypeDefine = generateEnvMapTypeDefine(parameters); + const envMapModeDefine = generateEnvMapModeDefine(parameters); + const envMapBlendingDefine = generateEnvMapBlendingDefine(parameters); + const envMapCubeUVSize = generateCubeUVSize(parameters); + const customExtensions = parameters.isWebGL2 ? "" : generateExtensions(parameters); + const customDefines = generateDefines(defines); + const program = gl.createProgram(); + let prefixVertex, prefixFragment; + let versionString = parameters.glslVersion ? "#version " + parameters.glslVersion + "\n" : ""; + if (parameters.isRawShaderMaterial) { + prefixVertex = [ + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines + ].filter(filterEmptyLine).join("\n"); + if (prefixVertex.length > 0) { + prefixVertex += "\n"; + } + prefixFragment = [ + customExtensions, + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines + ].filter(filterEmptyLine).join("\n"); + if (prefixFragment.length > 0) { + prefixFragment += "\n"; + } + } else { + prefixVertex = [ + generatePrecision(parameters), + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines, + parameters.batching ? "#define USE_BATCHING" : "", + parameters.instancing ? "#define USE_INSTANCING" : "", + parameters.instancingColor ? "#define USE_INSTANCING_COLOR" : "", + parameters.useFog && parameters.fog ? "#define USE_FOG" : "", + parameters.useFog && parameters.fogExp2 ? "#define FOG_EXP2" : "", + parameters.map ? "#define USE_MAP" : "", + parameters.envMap ? "#define USE_ENVMAP" : "", + parameters.envMap ? "#define " + envMapModeDefine : "", + parameters.lightMap ? "#define USE_LIGHTMAP" : "", + parameters.aoMap ? "#define USE_AOMAP" : "", + parameters.bumpMap ? "#define USE_BUMPMAP" : "", + parameters.normalMap ? "#define USE_NORMALMAP" : "", + parameters.normalMapObjectSpace ? "#define USE_NORMALMAP_OBJECTSPACE" : "", + parameters.normalMapTangentSpace ? "#define USE_NORMALMAP_TANGENTSPACE" : "", + parameters.displacementMap ? "#define USE_DISPLACEMENTMAP" : "", + parameters.emissiveMap ? "#define USE_EMISSIVEMAP" : "", + parameters.anisotropy ? "#define USE_ANISOTROPY" : "", + parameters.anisotropyMap ? "#define USE_ANISOTROPYMAP" : "", + parameters.clearcoatMap ? "#define USE_CLEARCOATMAP" : "", + parameters.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "", + parameters.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "", + parameters.iridescenceMap ? "#define USE_IRIDESCENCEMAP" : "", + parameters.iridescenceThicknessMap ? "#define USE_IRIDESCENCE_THICKNESSMAP" : "", + parameters.specularMap ? "#define USE_SPECULARMAP" : "", + parameters.specularColorMap ? "#define USE_SPECULAR_COLORMAP" : "", + parameters.specularIntensityMap ? "#define USE_SPECULAR_INTENSITYMAP" : "", + parameters.roughnessMap ? "#define USE_ROUGHNESSMAP" : "", + parameters.metalnessMap ? "#define USE_METALNESSMAP" : "", + parameters.alphaMap ? "#define USE_ALPHAMAP" : "", + parameters.alphaHash ? "#define USE_ALPHAHASH" : "", + parameters.transmission ? "#define USE_TRANSMISSION" : "", + parameters.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "", + parameters.thicknessMap ? "#define USE_THICKNESSMAP" : "", + parameters.sheenColorMap ? "#define USE_SHEEN_COLORMAP" : "", + parameters.sheenRoughnessMap ? "#define USE_SHEEN_ROUGHNESSMAP" : "", + // + parameters.mapUv ? "#define MAP_UV " + parameters.mapUv : "", + parameters.alphaMapUv ? "#define ALPHAMAP_UV " + parameters.alphaMapUv : "", + parameters.lightMapUv ? "#define LIGHTMAP_UV " + parameters.lightMapUv : "", + parameters.aoMapUv ? "#define AOMAP_UV " + parameters.aoMapUv : "", + parameters.emissiveMapUv ? "#define EMISSIVEMAP_UV " + parameters.emissiveMapUv : "", + parameters.bumpMapUv ? "#define BUMPMAP_UV " + parameters.bumpMapUv : "", + parameters.normalMapUv ? "#define NORMALMAP_UV " + parameters.normalMapUv : "", + parameters.displacementMapUv ? "#define DISPLACEMENTMAP_UV " + parameters.displacementMapUv : "", + parameters.metalnessMapUv ? "#define METALNESSMAP_UV " + parameters.metalnessMapUv : "", + parameters.roughnessMapUv ? "#define ROUGHNESSMAP_UV " + parameters.roughnessMapUv : "", + parameters.anisotropyMapUv ? "#define ANISOTROPYMAP_UV " + parameters.anisotropyMapUv : "", + parameters.clearcoatMapUv ? "#define CLEARCOATMAP_UV " + parameters.clearcoatMapUv : "", + parameters.clearcoatNormalMapUv ? "#define CLEARCOAT_NORMALMAP_UV " + parameters.clearcoatNormalMapUv : "", + parameters.clearcoatRoughnessMapUv ? "#define CLEARCOAT_ROUGHNESSMAP_UV " + parameters.clearcoatRoughnessMapUv : "", + parameters.iridescenceMapUv ? "#define IRIDESCENCEMAP_UV " + parameters.iridescenceMapUv : "", + parameters.iridescenceThicknessMapUv ? "#define IRIDESCENCE_THICKNESSMAP_UV " + parameters.iridescenceThicknessMapUv : "", + parameters.sheenColorMapUv ? "#define SHEEN_COLORMAP_UV " + parameters.sheenColorMapUv : "", + parameters.sheenRoughnessMapUv ? "#define SHEEN_ROUGHNESSMAP_UV " + parameters.sheenRoughnessMapUv : "", + parameters.specularMapUv ? "#define SPECULARMAP_UV " + parameters.specularMapUv : "", + parameters.specularColorMapUv ? "#define SPECULAR_COLORMAP_UV " + parameters.specularColorMapUv : "", + parameters.specularIntensityMapUv ? "#define SPECULAR_INTENSITYMAP_UV " + parameters.specularIntensityMapUv : "", + parameters.transmissionMapUv ? "#define TRANSMISSIONMAP_UV " + parameters.transmissionMapUv : "", + parameters.thicknessMapUv ? "#define THICKNESSMAP_UV " + parameters.thicknessMapUv : "", + // + parameters.vertexTangents && parameters.flatShading === false ? "#define USE_TANGENT" : "", + parameters.vertexColors ? "#define USE_COLOR" : "", + parameters.vertexAlphas ? "#define USE_COLOR_ALPHA" : "", + parameters.vertexUv1s ? "#define USE_UV1" : "", + parameters.vertexUv2s ? "#define USE_UV2" : "", + parameters.vertexUv3s ? "#define USE_UV3" : "", + parameters.pointsUvs ? "#define USE_POINTS_UV" : "", + parameters.flatShading ? "#define FLAT_SHADED" : "", + parameters.skinning ? "#define USE_SKINNING" : "", + parameters.morphTargets ? "#define USE_MORPHTARGETS" : "", + parameters.morphNormals && parameters.flatShading === false ? "#define USE_MORPHNORMALS" : "", + parameters.morphColors && parameters.isWebGL2 ? "#define USE_MORPHCOLORS" : "", + parameters.morphTargetsCount > 0 && parameters.isWebGL2 ? "#define MORPHTARGETS_TEXTURE" : "", + parameters.morphTargetsCount > 0 && parameters.isWebGL2 ? "#define MORPHTARGETS_TEXTURE_STRIDE " + parameters.morphTextureStride : "", + parameters.morphTargetsCount > 0 && parameters.isWebGL2 ? "#define MORPHTARGETS_COUNT " + parameters.morphTargetsCount : "", + parameters.doubleSided ? "#define DOUBLE_SIDED" : "", + parameters.flipSided ? "#define FLIP_SIDED" : "", + parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "", + parameters.shadowMapEnabled ? "#define " + shadowMapTypeDefine : "", + parameters.sizeAttenuation ? "#define USE_SIZEATTENUATION" : "", + parameters.numLightProbes > 0 ? "#define USE_LIGHT_PROBES" : "", + parameters.useLegacyLights ? "#define LEGACY_LIGHTS" : "", + parameters.logarithmicDepthBuffer ? "#define USE_LOGDEPTHBUF" : "", + parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ? "#define USE_LOGDEPTHBUF_EXT" : "", + "uniform mat4 modelMatrix;", + "uniform mat4 modelViewMatrix;", + "uniform mat4 projectionMatrix;", + "uniform mat4 viewMatrix;", + "uniform mat3 normalMatrix;", + "uniform vec3 cameraPosition;", + "uniform bool isOrthographic;", + "#ifdef USE_INSTANCING", + " attribute mat4 instanceMatrix;", + "#endif", + "#ifdef USE_INSTANCING_COLOR", + " attribute vec3 instanceColor;", + "#endif", + "attribute vec3 position;", + "attribute vec3 normal;", + "attribute vec2 uv;", + "#ifdef USE_UV1", + " attribute vec2 uv1;", + "#endif", + "#ifdef USE_UV2", + " attribute vec2 uv2;", + "#endif", + "#ifdef USE_UV3", + " attribute vec2 uv3;", + "#endif", + "#ifdef USE_TANGENT", + " attribute vec4 tangent;", + "#endif", + "#if defined( USE_COLOR_ALPHA )", + " attribute vec4 color;", + "#elif defined( USE_COLOR )", + " attribute vec3 color;", + "#endif", + "#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )", + " attribute vec3 morphTarget0;", + " attribute vec3 morphTarget1;", + " attribute vec3 morphTarget2;", + " attribute vec3 morphTarget3;", + " #ifdef USE_MORPHNORMALS", + " attribute vec3 morphNormal0;", + " attribute vec3 morphNormal1;", + " attribute vec3 morphNormal2;", + " attribute vec3 morphNormal3;", + " #else", + " attribute vec3 morphTarget4;", + " attribute vec3 morphTarget5;", + " attribute vec3 morphTarget6;", + " attribute vec3 morphTarget7;", + " #endif", + "#endif", + "#ifdef USE_SKINNING", + " attribute vec4 skinIndex;", + " attribute vec4 skinWeight;", + "#endif", + "\n" + ].filter(filterEmptyLine).join("\n"); + prefixFragment = [ + customExtensions, + generatePrecision(parameters), + "#define SHADER_TYPE " + parameters.shaderType, + "#define SHADER_NAME " + parameters.shaderName, + customDefines, + parameters.useFog && parameters.fog ? "#define USE_FOG" : "", + parameters.useFog && parameters.fogExp2 ? "#define FOG_EXP2" : "", + parameters.map ? "#define USE_MAP" : "", + parameters.matcap ? "#define USE_MATCAP" : "", + parameters.envMap ? "#define USE_ENVMAP" : "", + parameters.envMap ? "#define " + envMapTypeDefine : "", + parameters.envMap ? "#define " + envMapModeDefine : "", + parameters.envMap ? "#define " + envMapBlendingDefine : "", + envMapCubeUVSize ? "#define CUBEUV_TEXEL_WIDTH " + envMapCubeUVSize.texelWidth : "", + envMapCubeUVSize ? "#define CUBEUV_TEXEL_HEIGHT " + envMapCubeUVSize.texelHeight : "", + envMapCubeUVSize ? "#define CUBEUV_MAX_MIP " + envMapCubeUVSize.maxMip + ".0" : "", + parameters.lightMap ? "#define USE_LIGHTMAP" : "", + parameters.aoMap ? "#define USE_AOMAP" : "", + parameters.bumpMap ? "#define USE_BUMPMAP" : "", + parameters.normalMap ? "#define USE_NORMALMAP" : "", + parameters.normalMapObjectSpace ? "#define USE_NORMALMAP_OBJECTSPACE" : "", + parameters.normalMapTangentSpace ? "#define USE_NORMALMAP_TANGENTSPACE" : "", + parameters.emissiveMap ? "#define USE_EMISSIVEMAP" : "", + parameters.anisotropy ? "#define USE_ANISOTROPY" : "", + parameters.anisotropyMap ? "#define USE_ANISOTROPYMAP" : "", + parameters.clearcoat ? "#define USE_CLEARCOAT" : "", + parameters.clearcoatMap ? "#define USE_CLEARCOATMAP" : "", + parameters.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "", + parameters.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "", + parameters.iridescence ? "#define USE_IRIDESCENCE" : "", + parameters.iridescenceMap ? "#define USE_IRIDESCENCEMAP" : "", + parameters.iridescenceThicknessMap ? "#define USE_IRIDESCENCE_THICKNESSMAP" : "", + parameters.specularMap ? "#define USE_SPECULARMAP" : "", + parameters.specularColorMap ? "#define USE_SPECULAR_COLORMAP" : "", + parameters.specularIntensityMap ? "#define USE_SPECULAR_INTENSITYMAP" : "", + parameters.roughnessMap ? "#define USE_ROUGHNESSMAP" : "", + parameters.metalnessMap ? "#define USE_METALNESSMAP" : "", + parameters.alphaMap ? "#define USE_ALPHAMAP" : "", + parameters.alphaTest ? "#define USE_ALPHATEST" : "", + parameters.alphaHash ? "#define USE_ALPHAHASH" : "", + parameters.sheen ? "#define USE_SHEEN" : "", + parameters.sheenColorMap ? "#define USE_SHEEN_COLORMAP" : "", + parameters.sheenRoughnessMap ? "#define USE_SHEEN_ROUGHNESSMAP" : "", + parameters.transmission ? "#define USE_TRANSMISSION" : "", + parameters.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "", + parameters.thicknessMap ? "#define USE_THICKNESSMAP" : "", + parameters.vertexTangents && parameters.flatShading === false ? "#define USE_TANGENT" : "", + parameters.vertexColors || parameters.instancingColor ? "#define USE_COLOR" : "", + parameters.vertexAlphas ? "#define USE_COLOR_ALPHA" : "", + parameters.vertexUv1s ? "#define USE_UV1" : "", + parameters.vertexUv2s ? "#define USE_UV2" : "", + parameters.vertexUv3s ? "#define USE_UV3" : "", + parameters.pointsUvs ? "#define USE_POINTS_UV" : "", + parameters.gradientMap ? "#define USE_GRADIENTMAP" : "", + parameters.flatShading ? "#define FLAT_SHADED" : "", + parameters.doubleSided ? "#define DOUBLE_SIDED" : "", + parameters.flipSided ? "#define FLIP_SIDED" : "", + parameters.shadowMapEnabled ? "#define USE_SHADOWMAP" : "", + parameters.shadowMapEnabled ? "#define " + shadowMapTypeDefine : "", + parameters.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : "", + parameters.numLightProbes > 0 ? "#define USE_LIGHT_PROBES" : "", + parameters.useLegacyLights ? "#define LEGACY_LIGHTS" : "", + parameters.decodeVideoTexture ? "#define DECODE_VIDEO_TEXTURE" : "", + parameters.logarithmicDepthBuffer ? "#define USE_LOGDEPTHBUF" : "", + parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ? "#define USE_LOGDEPTHBUF_EXT" : "", + "uniform mat4 viewMatrix;", + "uniform vec3 cameraPosition;", + "uniform bool isOrthographic;", + parameters.toneMapping !== NoToneMapping ? "#define TONE_MAPPING" : "", + parameters.toneMapping !== NoToneMapping ? ShaderChunk["tonemapping_pars_fragment"] : "", + // this code is required here because it is used by the toneMapping() function defined below + parameters.toneMapping !== NoToneMapping ? getToneMappingFunction("toneMapping", parameters.toneMapping) : "", + parameters.dithering ? "#define DITHERING" : "", + parameters.opaque ? "#define OPAQUE" : "", + ShaderChunk["colorspace_pars_fragment"], + // this code is required here because it is used by the various encoding/decoding function defined below + getTexelEncodingFunction("linearToOutputTexel", parameters.outputColorSpace), + parameters.useDepthPacking ? "#define DEPTH_PACKING " + parameters.depthPacking : "", + "\n" + ].filter(filterEmptyLine).join("\n"); + } + vertexShader2 = resolveIncludes(vertexShader2); + vertexShader2 = replaceLightNums(vertexShader2, parameters); + vertexShader2 = replaceClippingPlaneNums(vertexShader2, parameters); + fragmentShader2 = resolveIncludes(fragmentShader2); + fragmentShader2 = replaceLightNums(fragmentShader2, parameters); + fragmentShader2 = replaceClippingPlaneNums(fragmentShader2, parameters); + vertexShader2 = unrollLoops(vertexShader2); + fragmentShader2 = unrollLoops(fragmentShader2); + if (parameters.isWebGL2 && parameters.isRawShaderMaterial !== true) { + versionString = "#version 300 es\n"; + prefixVertex = [ + "precision mediump sampler2DArray;", + "#define attribute in", + "#define varying out", + "#define texture2D texture" + ].join("\n") + "\n" + prefixVertex; + prefixFragment = [ + "precision mediump sampler2DArray;", + "#define varying in", + parameters.glslVersion === GLSL3 ? "" : "layout(location = 0) out highp vec4 pc_fragColor;", + parameters.glslVersion === GLSL3 ? "" : "#define gl_FragColor pc_fragColor", + "#define gl_FragDepthEXT gl_FragDepth", + "#define texture2D texture", + "#define textureCube texture", + "#define texture2DProj textureProj", + "#define texture2DLodEXT textureLod", + "#define texture2DProjLodEXT textureProjLod", + "#define textureCubeLodEXT textureLod", + "#define texture2DGradEXT textureGrad", + "#define texture2DProjGradEXT textureProjGrad", + "#define textureCubeGradEXT textureGrad" + ].join("\n") + "\n" + prefixFragment; + } + const vertexGlsl = versionString + prefixVertex + vertexShader2; + const fragmentGlsl = versionString + prefixFragment + fragmentShader2; + const glVertexShader = WebGLShader(gl, gl.VERTEX_SHADER, vertexGlsl); + const glFragmentShader = WebGLShader(gl, gl.FRAGMENT_SHADER, fragmentGlsl); + gl.attachShader(program, glVertexShader); + gl.attachShader(program, glFragmentShader); + if (parameters.index0AttributeName !== void 0) { + gl.bindAttribLocation(program, 0, parameters.index0AttributeName); + } else if (parameters.morphTargets === true) { + gl.bindAttribLocation(program, 0, "position"); + } + gl.linkProgram(program); + function onFirstUse(self2) { + if (renderer.debug.checkShaderErrors) { + const programLog = gl.getProgramInfoLog(program).trim(); + const vertexLog = gl.getShaderInfoLog(glVertexShader).trim(); + const fragmentLog = gl.getShaderInfoLog(glFragmentShader).trim(); + let runnable = true; + let haveDiagnostics = true; + if (gl.getProgramParameter(program, gl.LINK_STATUS) === false) { + runnable = false; + if (typeof renderer.debug.onShaderError === "function") { + renderer.debug.onShaderError(gl, program, glVertexShader, glFragmentShader); + } else { + const vertexErrors = getShaderErrors(gl, glVertexShader, "vertex"); + const fragmentErrors = getShaderErrors(gl, glFragmentShader, "fragment"); + console.error( + "THREE.WebGLProgram: Shader Error " + gl.getError() + " - VALIDATE_STATUS " + gl.getProgramParameter(program, gl.VALIDATE_STATUS) + "\n\nProgram Info Log: " + programLog + "\n" + vertexErrors + "\n" + fragmentErrors + ); + } + } else if (programLog !== "") { + console.warn("THREE.WebGLProgram: Program Info Log:", programLog); + } else if (vertexLog === "" || fragmentLog === "") { + haveDiagnostics = false; + } + if (haveDiagnostics) { + self2.diagnostics = { + runnable, + programLog, + vertexShader: { + log: vertexLog, + prefix: prefixVertex + }, + fragmentShader: { + log: fragmentLog, + prefix: prefixFragment + } + }; + } + } + gl.deleteShader(glVertexShader); + gl.deleteShader(glFragmentShader); + cachedUniforms = new WebGLUniforms(gl, program); + cachedAttributes = fetchAttributeLocations(gl, program); + } + let cachedUniforms; + this.getUniforms = function() { + if (cachedUniforms === void 0) { + onFirstUse(this); + } + return cachedUniforms; + }; + let cachedAttributes; + this.getAttributes = function() { + if (cachedAttributes === void 0) { + onFirstUse(this); + } + return cachedAttributes; + }; + let programReady = parameters.rendererExtensionParallelShaderCompile === false; + this.isReady = function() { + if (programReady === false) { + programReady = gl.getProgramParameter(program, COMPLETION_STATUS_KHR); + } + return programReady; + }; + this.destroy = function() { + bindingStates.releaseStatesOfProgram(this); + gl.deleteProgram(program); + this.program = void 0; + }; + this.type = parameters.shaderType; + this.name = parameters.shaderName; + this.id = programIdCount++; + this.cacheKey = cacheKey; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + return this; +} +let _id$1 = 0; +class WebGLShaderCache { + constructor() { + this.shaderCache = /* @__PURE__ */ new Map(); + this.materialCache = /* @__PURE__ */ new Map(); + } + update(material) { + const vertexShader2 = material.vertexShader; + const fragmentShader2 = material.fragmentShader; + const vertexShaderStage = this._getShaderStage(vertexShader2); + const fragmentShaderStage = this._getShaderStage(fragmentShader2); + const materialShaders = this._getShaderCacheForMaterial(material); + if (materialShaders.has(vertexShaderStage) === false) { + materialShaders.add(vertexShaderStage); + vertexShaderStage.usedTimes++; + } + if (materialShaders.has(fragmentShaderStage) === false) { + materialShaders.add(fragmentShaderStage); + fragmentShaderStage.usedTimes++; + } + return this; + } + remove(material) { + const materialShaders = this.materialCache.get(material); + for (const shaderStage of materialShaders) { + shaderStage.usedTimes--; + if (shaderStage.usedTimes === 0) + this.shaderCache.delete(shaderStage.code); + } + this.materialCache.delete(material); + return this; + } + getVertexShaderID(material) { + return this._getShaderStage(material.vertexShader).id; + } + getFragmentShaderID(material) { + return this._getShaderStage(material.fragmentShader).id; + } + dispose() { + this.shaderCache.clear(); + this.materialCache.clear(); + } + _getShaderCacheForMaterial(material) { + const cache = this.materialCache; + let set = cache.get(material); + if (set === void 0) { + set = /* @__PURE__ */ new Set(); + cache.set(material, set); + } + return set; + } + _getShaderStage(code) { + const cache = this.shaderCache; + let stage = cache.get(code); + if (stage === void 0) { + stage = new WebGLShaderStage(code); + cache.set(code, stage); + } + return stage; + } +} +class WebGLShaderStage { + constructor(code) { + this.id = _id$1++; + this.code = code; + this.usedTimes = 0; + } +} +function WebGLPrograms(renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping) { + const _programLayers = new Layers(); + const _customShaders = new WebGLShaderCache(); + const programs = []; + const IS_WEBGL2 = capabilities.isWebGL2; + const logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer; + const SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures; + let precision = capabilities.precision; + const shaderIDs = { + MeshDepthMaterial: "depth", + MeshDistanceMaterial: "distanceRGBA", + MeshNormalMaterial: "normal", + MeshBasicMaterial: "basic", + MeshLambertMaterial: "lambert", + MeshPhongMaterial: "phong", + MeshToonMaterial: "toon", + MeshStandardMaterial: "physical", + MeshPhysicalMaterial: "physical", + MeshMatcapMaterial: "matcap", + LineBasicMaterial: "basic", + LineDashedMaterial: "dashed", + PointsMaterial: "points", + ShadowMaterial: "shadow", + SpriteMaterial: "sprite" + }; + function getChannel(value) { + if (value === 0) + return "uv"; + return `uv${value}`; + } + function getParameters(material, lights, shadows, scene, object) { + const fog = scene.fog; + const geometry = object.geometry; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || environment); + const envMapCubeUVHeight = !!envMap && envMap.mapping === CubeUVReflectionMapping ? envMap.image.height : null; + const shaderID = shaderIDs[material.type]; + if (material.precision !== null) { + precision = capabilities.getMaxPrecision(material.precision); + if (precision !== material.precision) { + console.warn("THREE.WebGLProgram.getParameters:", material.precision, "not supported, using", precision, "instead."); + } + } + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = morphAttribute !== void 0 ? morphAttribute.length : 0; + let morphTextureStride = 0; + if (geometry.morphAttributes.position !== void 0) + morphTextureStride = 1; + if (geometry.morphAttributes.normal !== void 0) + morphTextureStride = 2; + if (geometry.morphAttributes.color !== void 0) + morphTextureStride = 3; + let vertexShader2, fragmentShader2; + let customVertexShaderID, customFragmentShaderID; + if (shaderID) { + const shader = ShaderLib[shaderID]; + vertexShader2 = shader.vertexShader; + fragmentShader2 = shader.fragmentShader; + } else { + vertexShader2 = material.vertexShader; + fragmentShader2 = material.fragmentShader; + _customShaders.update(material); + customVertexShaderID = _customShaders.getVertexShaderID(material); + customFragmentShaderID = _customShaders.getFragmentShaderID(material); + } + const currentRenderTarget = renderer.getRenderTarget(); + const IS_INSTANCEDMESH = object.isInstancedMesh === true; + const IS_BATCHEDMESH = object.isBatchedMesh === true; + const HAS_MAP = !!material.map; + const HAS_MATCAP = !!material.matcap; + const HAS_ENVMAP = !!envMap; + const HAS_AOMAP = !!material.aoMap; + const HAS_LIGHTMAP = !!material.lightMap; + const HAS_BUMPMAP = !!material.bumpMap; + const HAS_NORMALMAP = !!material.normalMap; + const HAS_DISPLACEMENTMAP = !!material.displacementMap; + const HAS_EMISSIVEMAP = !!material.emissiveMap; + const HAS_METALNESSMAP = !!material.metalnessMap; + const HAS_ROUGHNESSMAP = !!material.roughnessMap; + const HAS_ANISOTROPY = material.anisotropy > 0; + const HAS_CLEARCOAT = material.clearcoat > 0; + const HAS_IRIDESCENCE = material.iridescence > 0; + const HAS_SHEEN = material.sheen > 0; + const HAS_TRANSMISSION = material.transmission > 0; + const HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !!material.anisotropyMap; + const HAS_CLEARCOATMAP = HAS_CLEARCOAT && !!material.clearcoatMap; + const HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !!material.clearcoatNormalMap; + const HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !!material.clearcoatRoughnessMap; + const HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !!material.iridescenceMap; + const HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !!material.iridescenceThicknessMap; + const HAS_SHEEN_COLORMAP = HAS_SHEEN && !!material.sheenColorMap; + const HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !!material.sheenRoughnessMap; + const HAS_SPECULARMAP = !!material.specularMap; + const HAS_SPECULAR_COLORMAP = !!material.specularColorMap; + const HAS_SPECULAR_INTENSITYMAP = !!material.specularIntensityMap; + const HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !!material.transmissionMap; + const HAS_THICKNESSMAP = HAS_TRANSMISSION && !!material.thicknessMap; + const HAS_GRADIENTMAP = !!material.gradientMap; + const HAS_ALPHAMAP = !!material.alphaMap; + const HAS_ALPHATEST = material.alphaTest > 0; + const HAS_ALPHAHASH = !!material.alphaHash; + const HAS_EXTENSIONS = !!material.extensions; + const HAS_ATTRIBUTE_UV1 = !!geometry.attributes.uv1; + const HAS_ATTRIBUTE_UV2 = !!geometry.attributes.uv2; + const HAS_ATTRIBUTE_UV3 = !!geometry.attributes.uv3; + let toneMapping = NoToneMapping; + if (material.toneMapped) { + if (currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true) { + toneMapping = renderer.toneMapping; + } + } + const parameters = { + isWebGL2: IS_WEBGL2, + shaderID, + shaderType: material.type, + shaderName: material.name, + vertexShader: vertexShader2, + fragmentShader: fragmentShader2, + defines: material.defines, + customVertexShaderID, + customFragmentShaderID, + isRawShaderMaterial: material.isRawShaderMaterial === true, + glslVersion: material.glslVersion, + precision, + batching: IS_BATCHEDMESH, + instancing: IS_INSTANCEDMESH, + instancingColor: IS_INSTANCEDMESH && object.instanceColor !== null, + supportsVertexTextures: SUPPORTS_VERTEX_TEXTURES, + outputColorSpace: currentRenderTarget === null ? renderer.outputColorSpace : currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace, + map: HAS_MAP, + matcap: HAS_MATCAP, + envMap: HAS_ENVMAP, + envMapMode: HAS_ENVMAP && envMap.mapping, + envMapCubeUVHeight, + aoMap: HAS_AOMAP, + lightMap: HAS_LIGHTMAP, + bumpMap: HAS_BUMPMAP, + normalMap: HAS_NORMALMAP, + displacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP, + emissiveMap: HAS_EMISSIVEMAP, + normalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap, + normalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap, + metalnessMap: HAS_METALNESSMAP, + roughnessMap: HAS_ROUGHNESSMAP, + anisotropy: HAS_ANISOTROPY, + anisotropyMap: HAS_ANISOTROPYMAP, + clearcoat: HAS_CLEARCOAT, + clearcoatMap: HAS_CLEARCOATMAP, + clearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP, + clearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP, + iridescence: HAS_IRIDESCENCE, + iridescenceMap: HAS_IRIDESCENCEMAP, + iridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP, + sheen: HAS_SHEEN, + sheenColorMap: HAS_SHEEN_COLORMAP, + sheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP, + specularMap: HAS_SPECULARMAP, + specularColorMap: HAS_SPECULAR_COLORMAP, + specularIntensityMap: HAS_SPECULAR_INTENSITYMAP, + transmission: HAS_TRANSMISSION, + transmissionMap: HAS_TRANSMISSIONMAP, + thicknessMap: HAS_THICKNESSMAP, + gradientMap: HAS_GRADIENTMAP, + opaque: material.transparent === false && material.blending === NormalBlending, + alphaMap: HAS_ALPHAMAP, + alphaTest: HAS_ALPHATEST, + alphaHash: HAS_ALPHAHASH, + combine: material.combine, + // + mapUv: HAS_MAP && getChannel(material.map.channel), + aoMapUv: HAS_AOMAP && getChannel(material.aoMap.channel), + lightMapUv: HAS_LIGHTMAP && getChannel(material.lightMap.channel), + bumpMapUv: HAS_BUMPMAP && getChannel(material.bumpMap.channel), + normalMapUv: HAS_NORMALMAP && getChannel(material.normalMap.channel), + displacementMapUv: HAS_DISPLACEMENTMAP && getChannel(material.displacementMap.channel), + emissiveMapUv: HAS_EMISSIVEMAP && getChannel(material.emissiveMap.channel), + metalnessMapUv: HAS_METALNESSMAP && getChannel(material.metalnessMap.channel), + roughnessMapUv: HAS_ROUGHNESSMAP && getChannel(material.roughnessMap.channel), + anisotropyMapUv: HAS_ANISOTROPYMAP && getChannel(material.anisotropyMap.channel), + clearcoatMapUv: HAS_CLEARCOATMAP && getChannel(material.clearcoatMap.channel), + clearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel(material.clearcoatNormalMap.channel), + clearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel(material.clearcoatRoughnessMap.channel), + iridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel(material.iridescenceMap.channel), + iridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel(material.iridescenceThicknessMap.channel), + sheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel(material.sheenColorMap.channel), + sheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel(material.sheenRoughnessMap.channel), + specularMapUv: HAS_SPECULARMAP && getChannel(material.specularMap.channel), + specularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel(material.specularColorMap.channel), + specularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel(material.specularIntensityMap.channel), + transmissionMapUv: HAS_TRANSMISSIONMAP && getChannel(material.transmissionMap.channel), + thicknessMapUv: HAS_THICKNESSMAP && getChannel(material.thicknessMap.channel), + alphaMapUv: HAS_ALPHAMAP && getChannel(material.alphaMap.channel), + // + vertexTangents: !!geometry.attributes.tangent && (HAS_NORMALMAP || HAS_ANISOTROPY), + vertexColors: material.vertexColors, + vertexAlphas: material.vertexColors === true && !!geometry.attributes.color && geometry.attributes.color.itemSize === 4, + vertexUv1s: HAS_ATTRIBUTE_UV1, + vertexUv2s: HAS_ATTRIBUTE_UV2, + vertexUv3s: HAS_ATTRIBUTE_UV3, + pointsUvs: object.isPoints === true && !!geometry.attributes.uv && (HAS_MAP || HAS_ALPHAMAP), + fog: !!fog, + useFog: material.fog === true, + fogExp2: fog && fog.isFogExp2, + flatShading: material.flatShading === true, + sizeAttenuation: material.sizeAttenuation === true, + logarithmicDepthBuffer, + skinning: object.isSkinnedMesh === true, + morphTargets: geometry.morphAttributes.position !== void 0, + morphNormals: geometry.morphAttributes.normal !== void 0, + morphColors: geometry.morphAttributes.color !== void 0, + morphTargetsCount, + morphTextureStride, + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numSpotLightMaps: lights.spotLightMap.length, + numRectAreaLights: lights.rectArea.length, + numHemiLights: lights.hemi.length, + numDirLightShadows: lights.directionalShadowMap.length, + numPointLightShadows: lights.pointShadowMap.length, + numSpotLightShadows: lights.spotShadowMap.length, + numSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps, + numLightProbes: lights.numLightProbes, + numClippingPlanes: clipping.numPlanes, + numClipIntersection: clipping.numIntersection, + dithering: material.dithering, + shadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + toneMapping, + useLegacyLights: renderer._useLegacyLights, + decodeVideoTexture: HAS_MAP && material.map.isVideoTexture === true && ColorManagement.getTransfer(material.map.colorSpace) === SRGBTransfer, + premultipliedAlpha: material.premultipliedAlpha, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + useDepthPacking: material.depthPacking >= 0, + depthPacking: material.depthPacking || 0, + index0AttributeName: material.index0AttributeName, + extensionDerivatives: HAS_EXTENSIONS && material.extensions.derivatives === true, + extensionFragDepth: HAS_EXTENSIONS && material.extensions.fragDepth === true, + extensionDrawBuffers: HAS_EXTENSIONS && material.extensions.drawBuffers === true, + extensionShaderTextureLOD: HAS_EXTENSIONS && material.extensions.shaderTextureLOD === true, + rendererExtensionFragDepth: IS_WEBGL2 || extensions.has("EXT_frag_depth"), + rendererExtensionDrawBuffers: IS_WEBGL2 || extensions.has("WEBGL_draw_buffers"), + rendererExtensionShaderTextureLod: IS_WEBGL2 || extensions.has("EXT_shader_texture_lod"), + rendererExtensionParallelShaderCompile: extensions.has("KHR_parallel_shader_compile"), + customProgramCacheKey: material.customProgramCacheKey() + }; + return parameters; + } + function getProgramCacheKey(parameters) { + const array = []; + if (parameters.shaderID) { + array.push(parameters.shaderID); + } else { + array.push(parameters.customVertexShaderID); + array.push(parameters.customFragmentShaderID); + } + if (parameters.defines !== void 0) { + for (const name in parameters.defines) { + array.push(name); + array.push(parameters.defines[name]); + } + } + if (parameters.isRawShaderMaterial === false) { + getProgramCacheKeyParameters(array, parameters); + getProgramCacheKeyBooleans(array, parameters); + array.push(renderer.outputColorSpace); + } + array.push(parameters.customProgramCacheKey); + return array.join(); + } + function getProgramCacheKeyParameters(array, parameters) { + array.push(parameters.precision); + array.push(parameters.outputColorSpace); + array.push(parameters.envMapMode); + array.push(parameters.envMapCubeUVHeight); + array.push(parameters.mapUv); + array.push(parameters.alphaMapUv); + array.push(parameters.lightMapUv); + array.push(parameters.aoMapUv); + array.push(parameters.bumpMapUv); + array.push(parameters.normalMapUv); + array.push(parameters.displacementMapUv); + array.push(parameters.emissiveMapUv); + array.push(parameters.metalnessMapUv); + array.push(parameters.roughnessMapUv); + array.push(parameters.anisotropyMapUv); + array.push(parameters.clearcoatMapUv); + array.push(parameters.clearcoatNormalMapUv); + array.push(parameters.clearcoatRoughnessMapUv); + array.push(parameters.iridescenceMapUv); + array.push(parameters.iridescenceThicknessMapUv); + array.push(parameters.sheenColorMapUv); + array.push(parameters.sheenRoughnessMapUv); + array.push(parameters.specularMapUv); + array.push(parameters.specularColorMapUv); + array.push(parameters.specularIntensityMapUv); + array.push(parameters.transmissionMapUv); + array.push(parameters.thicknessMapUv); + array.push(parameters.combine); + array.push(parameters.fogExp2); + array.push(parameters.sizeAttenuation); + array.push(parameters.morphTargetsCount); + array.push(parameters.morphAttributeCount); + array.push(parameters.numDirLights); + array.push(parameters.numPointLights); + array.push(parameters.numSpotLights); + array.push(parameters.numSpotLightMaps); + array.push(parameters.numHemiLights); + array.push(parameters.numRectAreaLights); + array.push(parameters.numDirLightShadows); + array.push(parameters.numPointLightShadows); + array.push(parameters.numSpotLightShadows); + array.push(parameters.numSpotLightShadowsWithMaps); + array.push(parameters.numLightProbes); + array.push(parameters.shadowMapType); + array.push(parameters.toneMapping); + array.push(parameters.numClippingPlanes); + array.push(parameters.numClipIntersection); + array.push(parameters.depthPacking); + } + function getProgramCacheKeyBooleans(array, parameters) { + _programLayers.disableAll(); + if (parameters.isWebGL2) + _programLayers.enable(0); + if (parameters.supportsVertexTextures) + _programLayers.enable(1); + if (parameters.instancing) + _programLayers.enable(2); + if (parameters.instancingColor) + _programLayers.enable(3); + if (parameters.matcap) + _programLayers.enable(4); + if (parameters.envMap) + _programLayers.enable(5); + if (parameters.normalMapObjectSpace) + _programLayers.enable(6); + if (parameters.normalMapTangentSpace) + _programLayers.enable(7); + if (parameters.clearcoat) + _programLayers.enable(8); + if (parameters.iridescence) + _programLayers.enable(9); + if (parameters.alphaTest) + _programLayers.enable(10); + if (parameters.vertexColors) + _programLayers.enable(11); + if (parameters.vertexAlphas) + _programLayers.enable(12); + if (parameters.vertexUv1s) + _programLayers.enable(13); + if (parameters.vertexUv2s) + _programLayers.enable(14); + if (parameters.vertexUv3s) + _programLayers.enable(15); + if (parameters.vertexTangents) + _programLayers.enable(16); + if (parameters.anisotropy) + _programLayers.enable(17); + if (parameters.alphaHash) + _programLayers.enable(18); + if (parameters.batching) + _programLayers.enable(19); + array.push(_programLayers.mask); + _programLayers.disableAll(); + if (parameters.fog) + _programLayers.enable(0); + if (parameters.useFog) + _programLayers.enable(1); + if (parameters.flatShading) + _programLayers.enable(2); + if (parameters.logarithmicDepthBuffer) + _programLayers.enable(3); + if (parameters.skinning) + _programLayers.enable(4); + if (parameters.morphTargets) + _programLayers.enable(5); + if (parameters.morphNormals) + _programLayers.enable(6); + if (parameters.morphColors) + _programLayers.enable(7); + if (parameters.premultipliedAlpha) + _programLayers.enable(8); + if (parameters.shadowMapEnabled) + _programLayers.enable(9); + if (parameters.useLegacyLights) + _programLayers.enable(10); + if (parameters.doubleSided) + _programLayers.enable(11); + if (parameters.flipSided) + _programLayers.enable(12); + if (parameters.useDepthPacking) + _programLayers.enable(13); + if (parameters.dithering) + _programLayers.enable(14); + if (parameters.transmission) + _programLayers.enable(15); + if (parameters.sheen) + _programLayers.enable(16); + if (parameters.opaque) + _programLayers.enable(17); + if (parameters.pointsUvs) + _programLayers.enable(18); + if (parameters.decodeVideoTexture) + _programLayers.enable(19); + array.push(_programLayers.mask); + } + function getUniforms(material) { + const shaderID = shaderIDs[material.type]; + let uniforms; + if (shaderID) { + const shader = ShaderLib[shaderID]; + uniforms = UniformsUtils.clone(shader.uniforms); + } else { + uniforms = material.uniforms; + } + return uniforms; + } + function acquireProgram(parameters, cacheKey) { + let program; + for (let p = 0, pl = programs.length; p < pl; p++) { + const preexistingProgram = programs[p]; + if (preexistingProgram.cacheKey === cacheKey) { + program = preexistingProgram; + ++program.usedTimes; + break; + } + } + if (program === void 0) { + program = new WebGLProgram(renderer, cacheKey, parameters, bindingStates); + programs.push(program); + } + return program; + } + function releaseProgram(program) { + if (--program.usedTimes === 0) { + const i = programs.indexOf(program); + programs[i] = programs[programs.length - 1]; + programs.pop(); + program.destroy(); + } + } + function releaseShaderCache(material) { + _customShaders.remove(material); + } + function dispose() { + _customShaders.dispose(); + } + return { + getParameters, + getProgramCacheKey, + getUniforms, + acquireProgram, + releaseProgram, + releaseShaderCache, + // Exposed for resource monitoring & error feedback via renderer.info: + programs, + dispose + }; +} +function WebGLProperties() { + let properties = /* @__PURE__ */ new WeakMap(); + function get(object) { + let map = properties.get(object); + if (map === void 0) { + map = {}; + properties.set(object, map); + } + return map; + } + function remove(object) { + properties.delete(object); + } + function update2(object, key, value) { + properties.get(object)[key] = value; + } + function dispose() { + properties = /* @__PURE__ */ new WeakMap(); + } + return { + get, + remove, + update: update2, + dispose + }; +} +function painterSortStable(a, b) { + if (a.groupOrder !== b.groupOrder) { + return a.groupOrder - b.groupOrder; + } else if (a.renderOrder !== b.renderOrder) { + return a.renderOrder - b.renderOrder; + } else if (a.material.id !== b.material.id) { + return a.material.id - b.material.id; + } else if (a.z !== b.z) { + return a.z - b.z; + } else { + return a.id - b.id; + } +} +function reversePainterSortStable(a, b) { + if (a.groupOrder !== b.groupOrder) { + return a.groupOrder - b.groupOrder; + } else if (a.renderOrder !== b.renderOrder) { + return a.renderOrder - b.renderOrder; + } else if (a.z !== b.z) { + return b.z - a.z; + } else { + return a.id - b.id; + } +} +function WebGLRenderList() { + const renderItems = []; + let renderItemsIndex = 0; + const opaque = []; + const transmissive = []; + const transparent = []; + function init() { + renderItemsIndex = 0; + opaque.length = 0; + transmissive.length = 0; + transparent.length = 0; + } + function getNextRenderItem(object, geometry, material, groupOrder, z, group) { + let renderItem = renderItems[renderItemsIndex]; + if (renderItem === void 0) { + renderItem = { + id: object.id, + object, + geometry, + material, + groupOrder, + renderOrder: object.renderOrder, + z, + group + }; + renderItems[renderItemsIndex] = renderItem; + } else { + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.groupOrder = groupOrder; + renderItem.renderOrder = object.renderOrder; + renderItem.z = z; + renderItem.group = group; + } + renderItemsIndex++; + return renderItem; + } + function push(object, geometry, material, groupOrder, z, group) { + const renderItem = getNextRenderItem(object, geometry, material, groupOrder, z, group); + if (material.transmission > 0) { + transmissive.push(renderItem); + } else if (material.transparent === true) { + transparent.push(renderItem); + } else { + opaque.push(renderItem); + } + } + function unshift(object, geometry, material, groupOrder, z, group) { + const renderItem = getNextRenderItem(object, geometry, material, groupOrder, z, group); + if (material.transmission > 0) { + transmissive.unshift(renderItem); + } else if (material.transparent === true) { + transparent.unshift(renderItem); + } else { + opaque.unshift(renderItem); + } + } + function sort(customOpaqueSort, customTransparentSort) { + if (opaque.length > 1) + opaque.sort(customOpaqueSort || painterSortStable); + if (transmissive.length > 1) + transmissive.sort(customTransparentSort || reversePainterSortStable); + if (transparent.length > 1) + transparent.sort(customTransparentSort || reversePainterSortStable); + } + function finish() { + for (let i = renderItemsIndex, il = renderItems.length; i < il; i++) { + const renderItem = renderItems[i]; + if (renderItem.id === null) + break; + renderItem.id = null; + renderItem.object = null; + renderItem.geometry = null; + renderItem.material = null; + renderItem.group = null; + } + } + return { + opaque, + transmissive, + transparent, + init, + push, + unshift, + finish, + sort + }; +} +function WebGLRenderLists() { + let lists = /* @__PURE__ */ new WeakMap(); + function get(scene, renderCallDepth) { + const listArray = lists.get(scene); + let list; + if (listArray === void 0) { + list = new WebGLRenderList(); + lists.set(scene, [list]); + } else { + if (renderCallDepth >= listArray.length) { + list = new WebGLRenderList(); + listArray.push(list); + } else { + list = listArray[renderCallDepth]; + } + } + return list; + } + function dispose() { + lists = /* @__PURE__ */ new WeakMap(); + } + return { + get, + dispose + }; +} +function UniformsCache() { + const lights = {}; + return { + get: function(light) { + if (lights[light.id] !== void 0) { + return lights[light.id]; + } + let uniforms; + switch (light.type) { + case "DirectionalLight": + uniforms = { + direction: new Vector3(), + color: new Color() + }; + break; + case "SpotLight": + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0 + }; + break; + case "PointLight": + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0 + }; + break; + case "HemisphereLight": + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; + case "RectAreaLight": + uniforms = { + color: new Color(), + position: new Vector3(), + halfWidth: new Vector3(), + halfHeight: new Vector3() + }; + break; + } + lights[light.id] = uniforms; + return uniforms; + } + }; +} +function ShadowUniformsCache() { + const lights = {}; + return { + get: function(light) { + if (lights[light.id] !== void 0) { + return lights[light.id]; + } + let uniforms; + switch (light.type) { + case "DirectionalLight": + uniforms = { + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + case "SpotLight": + uniforms = { + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + case "PointLight": + uniforms = { + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2(), + shadowCameraNear: 1, + shadowCameraFar: 1e3 + }; + break; + } + lights[light.id] = uniforms; + return uniforms; + } + }; +} +let nextVersion = 0; +function shadowCastingAndTexturingLightsFirst(lightA, lightB) { + return (lightB.castShadow ? 2 : 0) - (lightA.castShadow ? 2 : 0) + (lightB.map ? 1 : 0) - (lightA.map ? 1 : 0); +} +function WebGLLights(extensions, capabilities) { + const cache = new UniformsCache(); + const shadowCache = ShadowUniformsCache(); + const state = { + version: 0, + hash: { + directionalLength: -1, + pointLength: -1, + spotLength: -1, + rectAreaLength: -1, + hemiLength: -1, + numDirectionalShadows: -1, + numPointShadows: -1, + numSpotShadows: -1, + numSpotMaps: -1, + numLightProbes: -1 + }, + ambient: [0, 0, 0], + probe: [], + directional: [], + directionalShadow: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotLightMap: [], + spotShadow: [], + spotShadowMap: [], + spotLightMatrix: [], + rectArea: [], + rectAreaLTC1: null, + rectAreaLTC2: null, + point: [], + pointShadow: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], + numSpotLightShadowsWithMaps: 0, + numLightProbes: 0 + }; + for (let i = 0; i < 9; i++) + state.probe.push(new Vector3()); + const vector3 = new Vector3(); + const matrix4 = new Matrix4(); + const matrix42 = new Matrix4(); + function setup(lights, useLegacyLights) { + let r = 0, g = 0, b = 0; + for (let i = 0; i < 9; i++) + state.probe[i].set(0, 0, 0); + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + let numDirectionalShadows = 0; + let numPointShadows = 0; + let numSpotShadows = 0; + let numSpotMaps = 0; + let numSpotShadowsWithMaps = 0; + let numLightProbes = 0; + lights.sort(shadowCastingAndTexturingLightsFirst); + const scaleFactor = useLegacyLights === true ? Math.PI : 1; + for (let i = 0, l = lights.length; i < l; i++) { + const light = lights[i]; + const color = light.color; + const intensity = light.intensity; + const distance = light.distance; + const shadowMap = light.shadow && light.shadow.map ? light.shadow.map.texture : null; + if (light.isAmbientLight) { + r += color.r * intensity * scaleFactor; + g += color.g * intensity * scaleFactor; + b += color.b * intensity * scaleFactor; + } else if (light.isLightProbe) { + for (let j = 0; j < 9; j++) { + state.probe[j].addScaledVector(light.sh.coefficients[j], intensity); + } + numLightProbes++; + } else if (light.isDirectionalLight) { + const uniforms = cache.get(light); + uniforms.color.copy(light.color).multiplyScalar(light.intensity * scaleFactor); + if (light.castShadow) { + const shadow = light.shadow; + const shadowUniforms = shadowCache.get(light); + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + state.directionalShadow[directionalLength] = shadowUniforms; + state.directionalShadowMap[directionalLength] = shadowMap; + state.directionalShadowMatrix[directionalLength] = light.shadow.matrix; + numDirectionalShadows++; + } + state.directional[directionalLength] = uniforms; + directionalLength++; + } else if (light.isSpotLight) { + const uniforms = cache.get(light); + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.color.copy(color).multiplyScalar(intensity * scaleFactor); + uniforms.distance = distance; + uniforms.coneCos = Math.cos(light.angle); + uniforms.penumbraCos = Math.cos(light.angle * (1 - light.penumbra)); + uniforms.decay = light.decay; + state.spot[spotLength] = uniforms; + const shadow = light.shadow; + if (light.map) { + state.spotLightMap[numSpotMaps] = light.map; + numSpotMaps++; + shadow.updateMatrices(light); + if (light.castShadow) + numSpotShadowsWithMaps++; + } + state.spotLightMatrix[spotLength] = shadow.matrix; + if (light.castShadow) { + const shadowUniforms = shadowCache.get(light); + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + state.spotShadow[spotLength] = shadowUniforms; + state.spotShadowMap[spotLength] = shadowMap; + numSpotShadows++; + } + spotLength++; + } else if (light.isRectAreaLight) { + const uniforms = cache.get(light); + uniforms.color.copy(color).multiplyScalar(intensity); + uniforms.halfWidth.set(light.width * 0.5, 0, 0); + uniforms.halfHeight.set(0, light.height * 0.5, 0); + state.rectArea[rectAreaLength] = uniforms; + rectAreaLength++; + } else if (light.isPointLight) { + const uniforms = cache.get(light); + uniforms.color.copy(light.color).multiplyScalar(light.intensity * scaleFactor); + uniforms.distance = light.distance; + uniforms.decay = light.decay; + if (light.castShadow) { + const shadow = light.shadow; + const shadowUniforms = shadowCache.get(light); + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + shadowUniforms.shadowCameraNear = shadow.camera.near; + shadowUniforms.shadowCameraFar = shadow.camera.far; + state.pointShadow[pointLength] = shadowUniforms; + state.pointShadowMap[pointLength] = shadowMap; + state.pointShadowMatrix[pointLength] = light.shadow.matrix; + numPointShadows++; + } + state.point[pointLength] = uniforms; + pointLength++; + } else if (light.isHemisphereLight) { + const uniforms = cache.get(light); + uniforms.skyColor.copy(light.color).multiplyScalar(intensity * scaleFactor); + uniforms.groundColor.copy(light.groundColor).multiplyScalar(intensity * scaleFactor); + state.hemi[hemiLength] = uniforms; + hemiLength++; + } + } + if (rectAreaLength > 0) { + if (capabilities.isWebGL2) { + state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1; + state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2; + } else { + if (extensions.has("OES_texture_float_linear") === true) { + state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1; + state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2; + } else if (extensions.has("OES_texture_half_float_linear") === true) { + state.rectAreaLTC1 = UniformsLib.LTC_HALF_1; + state.rectAreaLTC2 = UniformsLib.LTC_HALF_2; + } else { + console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions."); + } + } + } + state.ambient[0] = r; + state.ambient[1] = g; + state.ambient[2] = b; + const hash = state.hash; + if (hash.directionalLength !== directionalLength || hash.pointLength !== pointLength || hash.spotLength !== spotLength || hash.rectAreaLength !== rectAreaLength || hash.hemiLength !== hemiLength || hash.numDirectionalShadows !== numDirectionalShadows || hash.numPointShadows !== numPointShadows || hash.numSpotShadows !== numSpotShadows || hash.numSpotMaps !== numSpotMaps || hash.numLightProbes !== numLightProbes) { + state.directional.length = directionalLength; + state.spot.length = spotLength; + state.rectArea.length = rectAreaLength; + state.point.length = pointLength; + state.hemi.length = hemiLength; + state.directionalShadow.length = numDirectionalShadows; + state.directionalShadowMap.length = numDirectionalShadows; + state.pointShadow.length = numPointShadows; + state.pointShadowMap.length = numPointShadows; + state.spotShadow.length = numSpotShadows; + state.spotShadowMap.length = numSpotShadows; + state.directionalShadowMatrix.length = numDirectionalShadows; + state.pointShadowMatrix.length = numPointShadows; + state.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps; + state.spotLightMap.length = numSpotMaps; + state.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps; + state.numLightProbes = numLightProbes; + hash.directionalLength = directionalLength; + hash.pointLength = pointLength; + hash.spotLength = spotLength; + hash.rectAreaLength = rectAreaLength; + hash.hemiLength = hemiLength; + hash.numDirectionalShadows = numDirectionalShadows; + hash.numPointShadows = numPointShadows; + hash.numSpotShadows = numSpotShadows; + hash.numSpotMaps = numSpotMaps; + hash.numLightProbes = numLightProbes; + state.version = nextVersion++; + } + } + function setupView(lights, camera) { + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + const viewMatrix = camera.matrixWorldInverse; + for (let i = 0, l = lights.length; i < l; i++) { + const light = lights[i]; + if (light.isDirectionalLight) { + const uniforms = state.directional[directionalLength]; + uniforms.direction.setFromMatrixPosition(light.matrixWorld); + vector3.setFromMatrixPosition(light.target.matrixWorld); + uniforms.direction.sub(vector3); + uniforms.direction.transformDirection(viewMatrix); + directionalLength++; + } else if (light.isSpotLight) { + const uniforms = state.spot[spotLength]; + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.position.applyMatrix4(viewMatrix); + uniforms.direction.setFromMatrixPosition(light.matrixWorld); + vector3.setFromMatrixPosition(light.target.matrixWorld); + uniforms.direction.sub(vector3); + uniforms.direction.transformDirection(viewMatrix); + spotLength++; + } else if (light.isRectAreaLight) { + const uniforms = state.rectArea[rectAreaLength]; + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.position.applyMatrix4(viewMatrix); + matrix42.identity(); + matrix4.copy(light.matrixWorld); + matrix4.premultiply(viewMatrix); + matrix42.extractRotation(matrix4); + uniforms.halfWidth.set(light.width * 0.5, 0, 0); + uniforms.halfHeight.set(0, light.height * 0.5, 0); + uniforms.halfWidth.applyMatrix4(matrix42); + uniforms.halfHeight.applyMatrix4(matrix42); + rectAreaLength++; + } else if (light.isPointLight) { + const uniforms = state.point[pointLength]; + uniforms.position.setFromMatrixPosition(light.matrixWorld); + uniforms.position.applyMatrix4(viewMatrix); + pointLength++; + } else if (light.isHemisphereLight) { + const uniforms = state.hemi[hemiLength]; + uniforms.direction.setFromMatrixPosition(light.matrixWorld); + uniforms.direction.transformDirection(viewMatrix); + hemiLength++; + } + } + } + return { + setup, + setupView, + state + }; +} +function WebGLRenderState(extensions, capabilities) { + const lights = new WebGLLights(extensions, capabilities); + const lightsArray = []; + const shadowsArray = []; + function init() { + lightsArray.length = 0; + shadowsArray.length = 0; + } + function pushLight(light) { + lightsArray.push(light); + } + function pushShadow(shadowLight) { + shadowsArray.push(shadowLight); + } + function setupLights(useLegacyLights) { + lights.setup(lightsArray, useLegacyLights); + } + function setupLightsView(camera) { + lights.setupView(lightsArray, camera); + } + const state = { + lightsArray, + shadowsArray, + lights + }; + return { + init, + state, + setupLights, + setupLightsView, + pushLight, + pushShadow + }; +} +function WebGLRenderStates(extensions, capabilities) { + let renderStates = /* @__PURE__ */ new WeakMap(); + function get(scene, renderCallDepth = 0) { + const renderStateArray = renderStates.get(scene); + let renderState; + if (renderStateArray === void 0) { + renderState = new WebGLRenderState(extensions, capabilities); + renderStates.set(scene, [renderState]); + } else { + if (renderCallDepth >= renderStateArray.length) { + renderState = new WebGLRenderState(extensions, capabilities); + renderStateArray.push(renderState); + } else { + renderState = renderStateArray[renderCallDepth]; + } + } + return renderState; + } + function dispose() { + renderStates = /* @__PURE__ */ new WeakMap(); + } + return { + get, + dispose + }; +} +class MeshDepthMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshDepthMaterial = true; + this.type = "MeshDepthMaterial"; + this.depthPacking = BasicDepthPacking; + this.map = null; + this.alphaMap = null; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.depthPacking = source.depthPacking; + this.map = source.map; + this.alphaMap = source.alphaMap; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + return this; + } +} +class MeshDistanceMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshDistanceMaterial = true; + this.type = "MeshDistanceMaterial"; + this.map = null; + this.alphaMap = null; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + return this; + } +} +const vertex = "void main() {\n gl_Position = vec4( position, 1.0 );\n}"; +const fragment = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n const float samples = float( VSM_SAMPLES );\n float mean = 0.0;\n float squared_mean = 0.0;\n float uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n float uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n for ( float i = 0.0; i < samples; i ++ ) {\n float uvOffset = uvStart + i * uvStride;\n #ifdef HORIZONTAL_PASS\n vec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean / samples;\n squared_mean = squared_mean / samples;\n float std_dev = sqrt( squared_mean - mean * mean );\n gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"; +function WebGLShadowMap(_renderer, _objects, _capabilities) { + let _frustum2 = new Frustum(); + const _shadowMapSize = new Vector2(), _viewportSize = new Vector2(), _viewport = new Vector4(), _depthMaterial = new MeshDepthMaterial({ depthPacking: RGBADepthPacking }), _distanceMaterial = new MeshDistanceMaterial(), _materialCache = {}, _maxTextureSize = _capabilities.maxTextureSize; + const shadowSide = { [FrontSide]: BackSide, [BackSide]: FrontSide, [DoubleSide]: DoubleSide }; + const shadowMaterialVertical = new ShaderMaterial({ + defines: { + VSM_SAMPLES: 8 + }, + uniforms: { + shadow_pass: { value: null }, + resolution: { value: new Vector2() }, + radius: { value: 4 } + }, + vertexShader: vertex, + fragmentShader: fragment + }); + const shadowMaterialHorizontal = shadowMaterialVertical.clone(); + shadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1; + const fullScreenTri = new BufferGeometry(); + fullScreenTri.setAttribute( + "position", + new BufferAttribute( + new Float32Array([-1, -1, 0.5, 3, -1, 0.5, -1, 3, 0.5]), + 3 + ) + ); + const fullScreenMesh = new Mesh(fullScreenTri, shadowMaterialVertical); + const scope = this; + this.enabled = false; + this.autoUpdate = true; + this.needsUpdate = false; + this.type = PCFShadowMap; + let _previousType = this.type; + this.render = function(lights, scene, camera) { + if (scope.enabled === false) + return; + if (scope.autoUpdate === false && scope.needsUpdate === false) + return; + if (lights.length === 0) + return; + const currentRenderTarget = _renderer.getRenderTarget(); + const activeCubeFace = _renderer.getActiveCubeFace(); + const activeMipmapLevel = _renderer.getActiveMipmapLevel(); + const _state = _renderer.state; + _state.setBlending(NoBlending); + _state.buffers.color.setClear(1, 1, 1, 1); + _state.buffers.depth.setTest(true); + _state.setScissorTest(false); + const toVSM = _previousType !== VSMShadowMap && this.type === VSMShadowMap; + const fromVSM = _previousType === VSMShadowMap && this.type !== VSMShadowMap; + for (let i = 0, il = lights.length; i < il; i++) { + const light = lights[i]; + const shadow = light.shadow; + if (shadow === void 0) { + console.warn("THREE.WebGLShadowMap:", light, "has no shadow."); + continue; + } + if (shadow.autoUpdate === false && shadow.needsUpdate === false) + continue; + _shadowMapSize.copy(shadow.mapSize); + const shadowFrameExtents = shadow.getFrameExtents(); + _shadowMapSize.multiply(shadowFrameExtents); + _viewportSize.copy(shadow.mapSize); + if (_shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize) { + if (_shadowMapSize.x > _maxTextureSize) { + _viewportSize.x = Math.floor(_maxTextureSize / shadowFrameExtents.x); + _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x; + shadow.mapSize.x = _viewportSize.x; + } + if (_shadowMapSize.y > _maxTextureSize) { + _viewportSize.y = Math.floor(_maxTextureSize / shadowFrameExtents.y); + _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y; + shadow.mapSize.y = _viewportSize.y; + } + } + if (shadow.map === null || toVSM === true || fromVSM === true) { + const pars = this.type !== VSMShadowMap ? { minFilter: NearestFilter, magFilter: NearestFilter } : {}; + if (shadow.map !== null) { + shadow.map.dispose(); + } + shadow.map = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y, pars); + shadow.map.texture.name = light.name + ".shadowMap"; + shadow.camera.updateProjectionMatrix(); + } + _renderer.setRenderTarget(shadow.map); + _renderer.clear(); + const viewportCount = shadow.getViewportCount(); + for (let vp = 0; vp < viewportCount; vp++) { + const viewport = shadow.getViewport(vp); + _viewport.set( + _viewportSize.x * viewport.x, + _viewportSize.y * viewport.y, + _viewportSize.x * viewport.z, + _viewportSize.y * viewport.w + ); + _state.viewport(_viewport); + shadow.updateMatrices(light, vp); + _frustum2 = shadow.getFrustum(); + renderObject(scene, camera, shadow.camera, light, this.type); + } + if (shadow.isPointLightShadow !== true && this.type === VSMShadowMap) { + VSMPass(shadow, camera); + } + shadow.needsUpdate = false; + } + _previousType = this.type; + scope.needsUpdate = false; + _renderer.setRenderTarget(currentRenderTarget, activeCubeFace, activeMipmapLevel); + }; + function VSMPass(shadow, camera) { + const geometry = _objects.update(fullScreenMesh); + if (shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples) { + shadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialVertical.needsUpdate = true; + shadowMaterialHorizontal.needsUpdate = true; + } + if (shadow.mapPass === null) { + shadow.mapPass = new WebGLRenderTarget(_shadowMapSize.x, _shadowMapSize.y); + } + shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture; + shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize; + shadowMaterialVertical.uniforms.radius.value = shadow.radius; + _renderer.setRenderTarget(shadow.mapPass); + _renderer.clear(); + _renderer.renderBufferDirect(camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null); + shadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture; + shadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize; + shadowMaterialHorizontal.uniforms.radius.value = shadow.radius; + _renderer.setRenderTarget(shadow.map); + _renderer.clear(); + _renderer.renderBufferDirect(camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null); + } + function getDepthMaterial(object, material, light, type) { + let result = null; + const customMaterial = light.isPointLight === true ? object.customDistanceMaterial : object.customDepthMaterial; + if (customMaterial !== void 0) { + result = customMaterial; + } else { + result = light.isPointLight === true ? _distanceMaterial : _depthMaterial; + if (_renderer.localClippingEnabled && material.clipShadows === true && Array.isArray(material.clippingPlanes) && material.clippingPlanes.length !== 0 || material.displacementMap && material.displacementScale !== 0 || material.alphaMap && material.alphaTest > 0 || material.map && material.alphaTest > 0) { + const keyA = result.uuid, keyB = material.uuid; + let materialsForVariant = _materialCache[keyA]; + if (materialsForVariant === void 0) { + materialsForVariant = {}; + _materialCache[keyA] = materialsForVariant; + } + let cachedMaterial = materialsForVariant[keyB]; + if (cachedMaterial === void 0) { + cachedMaterial = result.clone(); + materialsForVariant[keyB] = cachedMaterial; + } + result = cachedMaterial; + } + } + result.visible = material.visible; + result.wireframe = material.wireframe; + if (type === VSMShadowMap) { + result.side = material.shadowSide !== null ? material.shadowSide : material.side; + } else { + result.side = material.shadowSide !== null ? material.shadowSide : shadowSide[material.side]; + } + result.alphaMap = material.alphaMap; + result.alphaTest = material.alphaTest; + result.map = material.map; + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + result.clipIntersection = material.clipIntersection; + result.displacementMap = material.displacementMap; + result.displacementScale = material.displacementScale; + result.displacementBias = material.displacementBias; + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + if (light.isPointLight === true && result.isMeshDistanceMaterial === true) { + const materialProperties = _renderer.properties.get(result); + materialProperties.light = light; + } + return result; + } + function renderObject(object, camera, shadowCamera, light, type) { + if (object.visible === false) + return; + const visible = object.layers.test(camera.layers); + if (visible && (object.isMesh || object.isLine || object.isPoints)) { + if ((object.castShadow || object.receiveShadow && type === VSMShadowMap) && (!object.frustumCulled || _frustum2.intersectsObject(object))) { + object.modelViewMatrix.multiplyMatrices(shadowCamera.matrixWorldInverse, object.matrixWorld); + const geometry = _objects.update(object); + const material = object.material; + if (Array.isArray(material)) { + const groups = geometry.groups; + for (let k = 0, kl = groups.length; k < kl; k++) { + const group = groups[k]; + const groupMaterial = material[group.materialIndex]; + if (groupMaterial && groupMaterial.visible) { + const depthMaterial = getDepthMaterial(object, groupMaterial, light, type); + object.onBeforeShadow(_renderer, object, camera, shadowCamera, geometry, depthMaterial, group); + _renderer.renderBufferDirect(shadowCamera, null, geometry, depthMaterial, object, group); + object.onAfterShadow(_renderer, object, camera, shadowCamera, geometry, depthMaterial, group); + } + } + } else if (material.visible) { + const depthMaterial = getDepthMaterial(object, material, light, type); + object.onBeforeShadow(_renderer, object, camera, shadowCamera, geometry, depthMaterial, null); + _renderer.renderBufferDirect(shadowCamera, null, geometry, depthMaterial, object, null); + object.onAfterShadow(_renderer, object, camera, shadowCamera, geometry, depthMaterial, null); + } + } + } + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + renderObject(children[i], camera, shadowCamera, light, type); + } + } +} +function WebGLState(gl, extensions, capabilities) { + const isWebGL2 = capabilities.isWebGL2; + function ColorBuffer() { + let locked = false; + const color = new Vector4(); + let currentColorMask = null; + const currentColorClear = new Vector4(0, 0, 0, 0); + return { + setMask: function(colorMask) { + if (currentColorMask !== colorMask && !locked) { + gl.colorMask(colorMask, colorMask, colorMask, colorMask); + currentColorMask = colorMask; + } + }, + setLocked: function(lock) { + locked = lock; + }, + setClear: function(r, g, b, a, premultipliedAlpha) { + if (premultipliedAlpha === true) { + r *= a; + g *= a; + b *= a; + } + color.set(r, g, b, a); + if (currentColorClear.equals(color) === false) { + gl.clearColor(r, g, b, a); + currentColorClear.copy(color); + } + }, + reset: function() { + locked = false; + currentColorMask = null; + currentColorClear.set(-1, 0, 0, 0); + } + }; + } + function DepthBuffer() { + let locked = false; + let currentDepthMask = null; + let currentDepthFunc = null; + let currentDepthClear = null; + return { + setTest: function(depthTest) { + if (depthTest) { + enable(gl.DEPTH_TEST); + } else { + disable(gl.DEPTH_TEST); + } + }, + setMask: function(depthMask) { + if (currentDepthMask !== depthMask && !locked) { + gl.depthMask(depthMask); + currentDepthMask = depthMask; + } + }, + setFunc: function(depthFunc) { + if (currentDepthFunc !== depthFunc) { + switch (depthFunc) { + case NeverDepth: + gl.depthFunc(gl.NEVER); + break; + case AlwaysDepth: + gl.depthFunc(gl.ALWAYS); + break; + case LessDepth: + gl.depthFunc(gl.LESS); + break; + case LessEqualDepth: + gl.depthFunc(gl.LEQUAL); + break; + case EqualDepth: + gl.depthFunc(gl.EQUAL); + break; + case GreaterEqualDepth: + gl.depthFunc(gl.GEQUAL); + break; + case GreaterDepth: + gl.depthFunc(gl.GREATER); + break; + case NotEqualDepth: + gl.depthFunc(gl.NOTEQUAL); + break; + default: + gl.depthFunc(gl.LEQUAL); + } + currentDepthFunc = depthFunc; + } + }, + setLocked: function(lock) { + locked = lock; + }, + setClear: function(depth) { + if (currentDepthClear !== depth) { + gl.clearDepth(depth); + currentDepthClear = depth; + } + }, + reset: function() { + locked = false; + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; + } + }; + } + function StencilBuffer() { + let locked = false; + let currentStencilMask = null; + let currentStencilFunc = null; + let currentStencilRef = null; + let currentStencilFuncMask = null; + let currentStencilFail = null; + let currentStencilZFail = null; + let currentStencilZPass = null; + let currentStencilClear = null; + return { + setTest: function(stencilTest) { + if (!locked) { + if (stencilTest) { + enable(gl.STENCIL_TEST); + } else { + disable(gl.STENCIL_TEST); + } + } + }, + setMask: function(stencilMask) { + if (currentStencilMask !== stencilMask && !locked) { + gl.stencilMask(stencilMask); + currentStencilMask = stencilMask; + } + }, + setFunc: function(stencilFunc, stencilRef, stencilMask) { + if (currentStencilFunc !== stencilFunc || currentStencilRef !== stencilRef || currentStencilFuncMask !== stencilMask) { + gl.stencilFunc(stencilFunc, stencilRef, stencilMask); + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; + } + }, + setOp: function(stencilFail, stencilZFail, stencilZPass) { + if (currentStencilFail !== stencilFail || currentStencilZFail !== stencilZFail || currentStencilZPass !== stencilZPass) { + gl.stencilOp(stencilFail, stencilZFail, stencilZPass); + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; + } + }, + setLocked: function(lock) { + locked = lock; + }, + setClear: function(stencil) { + if (currentStencilClear !== stencil) { + gl.clearStencil(stencil); + currentStencilClear = stencil; + } + }, + reset: function() { + locked = false; + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; + } + }; + } + const colorBuffer = new ColorBuffer(); + const depthBuffer = new DepthBuffer(); + const stencilBuffer = new StencilBuffer(); + const uboBindings = /* @__PURE__ */ new WeakMap(); + const uboProgramMap = /* @__PURE__ */ new WeakMap(); + let enabledCapabilities = {}; + let currentBoundFramebuffers = {}; + let currentDrawbuffers = /* @__PURE__ */ new WeakMap(); + let defaultDrawbuffers = []; + let currentProgram = null; + let currentBlendingEnabled = false; + let currentBlending = null; + let currentBlendEquation = null; + let currentBlendSrc = null; + let currentBlendDst = null; + let currentBlendEquationAlpha = null; + let currentBlendSrcAlpha = null; + let currentBlendDstAlpha = null; + let currentBlendColor = new Color(0, 0, 0); + let currentBlendAlpha = 0; + let currentPremultipledAlpha = false; + let currentFlipSided = null; + let currentCullFace = null; + let currentLineWidth = null; + let currentPolygonOffsetFactor = null; + let currentPolygonOffsetUnits = null; + const maxTextures = gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS); + let lineWidthAvailable = false; + let version = 0; + const glVersion = gl.getParameter(gl.VERSION); + if (glVersion.indexOf("WebGL") !== -1) { + version = parseFloat(/^WebGL (\d)/.exec(glVersion)[1]); + lineWidthAvailable = version >= 1; + } else if (glVersion.indexOf("OpenGL ES") !== -1) { + version = parseFloat(/^OpenGL ES (\d)/.exec(glVersion)[1]); + lineWidthAvailable = version >= 2; + } + let currentTextureSlot = null; + let currentBoundTextures = {}; + const scissorParam = gl.getParameter(gl.SCISSOR_BOX); + const viewportParam = gl.getParameter(gl.VIEWPORT); + const currentScissor = new Vector4().fromArray(scissorParam); + const currentViewport = new Vector4().fromArray(viewportParam); + function createTexture(type, target, count, dimensions) { + const data = new Uint8Array(4); + const texture = gl.createTexture(); + gl.bindTexture(type, texture); + gl.texParameteri(type, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(type, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + for (let i = 0; i < count; i++) { + if (isWebGL2 && (type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY)) { + gl.texImage3D(target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data); + } else { + gl.texImage2D(target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data); + } + } + return texture; + } + const emptyTextures = {}; + emptyTextures[gl.TEXTURE_2D] = createTexture(gl.TEXTURE_2D, gl.TEXTURE_2D, 1); + emptyTextures[gl.TEXTURE_CUBE_MAP] = createTexture(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6); + if (isWebGL2) { + emptyTextures[gl.TEXTURE_2D_ARRAY] = createTexture(gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1); + emptyTextures[gl.TEXTURE_3D] = createTexture(gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1); + } + colorBuffer.setClear(0, 0, 0, 1); + depthBuffer.setClear(1); + stencilBuffer.setClear(0); + enable(gl.DEPTH_TEST); + depthBuffer.setFunc(LessEqualDepth); + setFlipSided(false); + setCullFace(CullFaceBack); + enable(gl.CULL_FACE); + setBlending(NoBlending); + function enable(id) { + if (enabledCapabilities[id] !== true) { + gl.enable(id); + enabledCapabilities[id] = true; + } + } + function disable(id) { + if (enabledCapabilities[id] !== false) { + gl.disable(id); + enabledCapabilities[id] = false; + } + } + function bindFramebuffer(target, framebuffer) { + if (currentBoundFramebuffers[target] !== framebuffer) { + gl.bindFramebuffer(target, framebuffer); + currentBoundFramebuffers[target] = framebuffer; + if (isWebGL2) { + if (target === gl.DRAW_FRAMEBUFFER) { + currentBoundFramebuffers[gl.FRAMEBUFFER] = framebuffer; + } + if (target === gl.FRAMEBUFFER) { + currentBoundFramebuffers[gl.DRAW_FRAMEBUFFER] = framebuffer; + } + } + return true; + } + return false; + } + function drawBuffers(renderTarget, framebuffer) { + let drawBuffers2 = defaultDrawbuffers; + let needsUpdate = false; + if (renderTarget) { + drawBuffers2 = currentDrawbuffers.get(framebuffer); + if (drawBuffers2 === void 0) { + drawBuffers2 = []; + currentDrawbuffers.set(framebuffer, drawBuffers2); + } + if (renderTarget.isWebGLMultipleRenderTargets) { + const textures = renderTarget.texture; + if (drawBuffers2.length !== textures.length || drawBuffers2[0] !== gl.COLOR_ATTACHMENT0) { + for (let i = 0, il = textures.length; i < il; i++) { + drawBuffers2[i] = gl.COLOR_ATTACHMENT0 + i; + } + drawBuffers2.length = textures.length; + needsUpdate = true; + } + } else { + if (drawBuffers2[0] !== gl.COLOR_ATTACHMENT0) { + drawBuffers2[0] = gl.COLOR_ATTACHMENT0; + needsUpdate = true; + } + } + } else { + if (drawBuffers2[0] !== gl.BACK) { + drawBuffers2[0] = gl.BACK; + needsUpdate = true; + } + } + if (needsUpdate) { + if (capabilities.isWebGL2) { + gl.drawBuffers(drawBuffers2); + } else { + extensions.get("WEBGL_draw_buffers").drawBuffersWEBGL(drawBuffers2); + } + } + } + function useProgram(program) { + if (currentProgram !== program) { + gl.useProgram(program); + currentProgram = program; + return true; + } + return false; + } + const equationToGL = { + [AddEquation]: gl.FUNC_ADD, + [SubtractEquation]: gl.FUNC_SUBTRACT, + [ReverseSubtractEquation]: gl.FUNC_REVERSE_SUBTRACT + }; + if (isWebGL2) { + equationToGL[MinEquation] = gl.MIN; + equationToGL[MaxEquation] = gl.MAX; + } else { + const extension = extensions.get("EXT_blend_minmax"); + if (extension !== null) { + equationToGL[MinEquation] = extension.MIN_EXT; + equationToGL[MaxEquation] = extension.MAX_EXT; + } + } + const factorToGL = { + [ZeroFactor]: gl.ZERO, + [OneFactor]: gl.ONE, + [SrcColorFactor]: gl.SRC_COLOR, + [SrcAlphaFactor]: gl.SRC_ALPHA, + [SrcAlphaSaturateFactor]: gl.SRC_ALPHA_SATURATE, + [DstColorFactor]: gl.DST_COLOR, + [DstAlphaFactor]: gl.DST_ALPHA, + [OneMinusSrcColorFactor]: gl.ONE_MINUS_SRC_COLOR, + [OneMinusSrcAlphaFactor]: gl.ONE_MINUS_SRC_ALPHA, + [OneMinusDstColorFactor]: gl.ONE_MINUS_DST_COLOR, + [OneMinusDstAlphaFactor]: gl.ONE_MINUS_DST_ALPHA, + [ConstantColorFactor]: gl.CONSTANT_COLOR, + [OneMinusConstantColorFactor]: gl.ONE_MINUS_CONSTANT_COLOR, + [ConstantAlphaFactor]: gl.CONSTANT_ALPHA, + [OneMinusConstantAlphaFactor]: gl.ONE_MINUS_CONSTANT_ALPHA + }; + function setBlending(blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha) { + if (blending === NoBlending) { + if (currentBlendingEnabled === true) { + disable(gl.BLEND); + currentBlendingEnabled = false; + } + return; + } + if (currentBlendingEnabled === false) { + enable(gl.BLEND); + currentBlendingEnabled = true; + } + if (blending !== CustomBlending) { + if (blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha) { + if (currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation) { + gl.blendEquation(gl.FUNC_ADD); + currentBlendEquation = AddEquation; + currentBlendEquationAlpha = AddEquation; + } + if (premultipliedAlpha) { + switch (blending) { + case NormalBlending: + gl.blendFuncSeparate(gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + break; + case AdditiveBlending: + gl.blendFunc(gl.ONE, gl.ONE); + break; + case SubtractiveBlending: + gl.blendFuncSeparate(gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE); + break; + case MultiplyBlending: + gl.blendFuncSeparate(gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA); + break; + default: + console.error("THREE.WebGLState: Invalid blending: ", blending); + break; + } + } else { + switch (blending) { + case NormalBlending: + gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + break; + case AdditiveBlending: + gl.blendFunc(gl.SRC_ALPHA, gl.ONE); + break; + case SubtractiveBlending: + gl.blendFuncSeparate(gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE); + break; + case MultiplyBlending: + gl.blendFunc(gl.ZERO, gl.SRC_COLOR); + break; + default: + console.error("THREE.WebGLState: Invalid blending: ", blending); + break; + } + } + currentBlendSrc = null; + currentBlendDst = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentBlendColor.set(0, 0, 0); + currentBlendAlpha = 0; + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + } + return; + } + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + if (blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha) { + gl.blendEquationSeparate(equationToGL[blendEquation], equationToGL[blendEquationAlpha]); + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + } + if (blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha) { + gl.blendFuncSeparate(factorToGL[blendSrc], factorToGL[blendDst], factorToGL[blendSrcAlpha], factorToGL[blendDstAlpha]); + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + } + if (blendColor.equals(currentBlendColor) === false || blendAlpha !== currentBlendAlpha) { + gl.blendColor(blendColor.r, blendColor.g, blendColor.b, blendAlpha); + currentBlendColor.copy(blendColor); + currentBlendAlpha = blendAlpha; + } + currentBlending = blending; + currentPremultipledAlpha = false; + } + function setMaterial(material, frontFaceCW) { + material.side === DoubleSide ? disable(gl.CULL_FACE) : enable(gl.CULL_FACE); + let flipSided = material.side === BackSide; + if (frontFaceCW) + flipSided = !flipSided; + setFlipSided(flipSided); + material.blending === NormalBlending && material.transparent === false ? setBlending(NoBlending) : setBlending(material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha); + depthBuffer.setFunc(material.depthFunc); + depthBuffer.setTest(material.depthTest); + depthBuffer.setMask(material.depthWrite); + colorBuffer.setMask(material.colorWrite); + const stencilWrite = material.stencilWrite; + stencilBuffer.setTest(stencilWrite); + if (stencilWrite) { + stencilBuffer.setMask(material.stencilWriteMask); + stencilBuffer.setFunc(material.stencilFunc, material.stencilRef, material.stencilFuncMask); + stencilBuffer.setOp(material.stencilFail, material.stencilZFail, material.stencilZPass); + } + setPolygonOffset(material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits); + material.alphaToCoverage === true ? enable(gl.SAMPLE_ALPHA_TO_COVERAGE) : disable(gl.SAMPLE_ALPHA_TO_COVERAGE); + } + function setFlipSided(flipSided) { + if (currentFlipSided !== flipSided) { + if (flipSided) { + gl.frontFace(gl.CW); + } else { + gl.frontFace(gl.CCW); + } + currentFlipSided = flipSided; + } + } + function setCullFace(cullFace) { + if (cullFace !== CullFaceNone) { + enable(gl.CULL_FACE); + if (cullFace !== currentCullFace) { + if (cullFace === CullFaceBack) { + gl.cullFace(gl.BACK); + } else if (cullFace === CullFaceFront) { + gl.cullFace(gl.FRONT); + } else { + gl.cullFace(gl.FRONT_AND_BACK); + } + } + } else { + disable(gl.CULL_FACE); + } + currentCullFace = cullFace; + } + function setLineWidth(width) { + if (width !== currentLineWidth) { + if (lineWidthAvailable) + gl.lineWidth(width); + currentLineWidth = width; + } + } + function setPolygonOffset(polygonOffset, factor, units) { + if (polygonOffset) { + enable(gl.POLYGON_OFFSET_FILL); + if (currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units) { + gl.polygonOffset(factor, units); + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + } + } else { + disable(gl.POLYGON_OFFSET_FILL); + } + } + function setScissorTest(scissorTest) { + if (scissorTest) { + enable(gl.SCISSOR_TEST); + } else { + disable(gl.SCISSOR_TEST); + } + } + function activeTexture(webglSlot) { + if (webglSlot === void 0) + webglSlot = gl.TEXTURE0 + maxTextures - 1; + if (currentTextureSlot !== webglSlot) { + gl.activeTexture(webglSlot); + currentTextureSlot = webglSlot; + } + } + function bindTexture(webglType, webglTexture, webglSlot) { + if (webglSlot === void 0) { + if (currentTextureSlot === null) { + webglSlot = gl.TEXTURE0 + maxTextures - 1; + } else { + webglSlot = currentTextureSlot; + } + } + let boundTexture = currentBoundTextures[webglSlot]; + if (boundTexture === void 0) { + boundTexture = { type: void 0, texture: void 0 }; + currentBoundTextures[webglSlot] = boundTexture; + } + if (boundTexture.type !== webglType || boundTexture.texture !== webglTexture) { + if (currentTextureSlot !== webglSlot) { + gl.activeTexture(webglSlot); + currentTextureSlot = webglSlot; + } + gl.bindTexture(webglType, webglTexture || emptyTextures[webglType]); + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + } + } + function unbindTexture() { + const boundTexture = currentBoundTextures[currentTextureSlot]; + if (boundTexture !== void 0 && boundTexture.type !== void 0) { + gl.bindTexture(boundTexture.type, null); + boundTexture.type = void 0; + boundTexture.texture = void 0; + } + } + function compressedTexImage2D() { + try { + gl.compressedTexImage2D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function compressedTexImage3D() { + try { + gl.compressedTexImage3D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function texSubImage2D() { + try { + gl.texSubImage2D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function texSubImage3D() { + try { + gl.texSubImage3D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function compressedTexSubImage2D() { + try { + gl.compressedTexSubImage2D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function compressedTexSubImage3D() { + try { + gl.compressedTexSubImage3D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function texStorage2D() { + try { + gl.texStorage2D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function texStorage3D() { + try { + gl.texStorage3D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function texImage2D() { + try { + gl.texImage2D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function texImage3D() { + try { + gl.texImage3D.apply(gl, arguments); + } catch (error) { + console.error("THREE.WebGLState:", error); + } + } + function scissor(scissor2) { + if (currentScissor.equals(scissor2) === false) { + gl.scissor(scissor2.x, scissor2.y, scissor2.z, scissor2.w); + currentScissor.copy(scissor2); + } + } + function viewport(viewport2) { + if (currentViewport.equals(viewport2) === false) { + gl.viewport(viewport2.x, viewport2.y, viewport2.z, viewport2.w); + currentViewport.copy(viewport2); + } + } + function updateUBOMapping(uniformsGroup, program) { + let mapping = uboProgramMap.get(program); + if (mapping === void 0) { + mapping = /* @__PURE__ */ new WeakMap(); + uboProgramMap.set(program, mapping); + } + let blockIndex = mapping.get(uniformsGroup); + if (blockIndex === void 0) { + blockIndex = gl.getUniformBlockIndex(program, uniformsGroup.name); + mapping.set(uniformsGroup, blockIndex); + } + } + function uniformBlockBinding(uniformsGroup, program) { + const mapping = uboProgramMap.get(program); + const blockIndex = mapping.get(uniformsGroup); + if (uboBindings.get(program) !== blockIndex) { + gl.uniformBlockBinding(program, blockIndex, uniformsGroup.__bindingPointIndex); + uboBindings.set(program, blockIndex); + } + } + function reset() { + gl.disable(gl.BLEND); + gl.disable(gl.CULL_FACE); + gl.disable(gl.DEPTH_TEST); + gl.disable(gl.POLYGON_OFFSET_FILL); + gl.disable(gl.SCISSOR_TEST); + gl.disable(gl.STENCIL_TEST); + gl.disable(gl.SAMPLE_ALPHA_TO_COVERAGE); + gl.blendEquation(gl.FUNC_ADD); + gl.blendFunc(gl.ONE, gl.ZERO); + gl.blendFuncSeparate(gl.ONE, gl.ZERO, gl.ONE, gl.ZERO); + gl.blendColor(0, 0, 0, 0); + gl.colorMask(true, true, true, true); + gl.clearColor(0, 0, 0, 0); + gl.depthMask(true); + gl.depthFunc(gl.LESS); + gl.clearDepth(1); + gl.stencilMask(4294967295); + gl.stencilFunc(gl.ALWAYS, 0, 4294967295); + gl.stencilOp(gl.KEEP, gl.KEEP, gl.KEEP); + gl.clearStencil(0); + gl.cullFace(gl.BACK); + gl.frontFace(gl.CCW); + gl.polygonOffset(0, 0); + gl.activeTexture(gl.TEXTURE0); + gl.bindFramebuffer(gl.FRAMEBUFFER, null); + if (isWebGL2 === true) { + gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, null); + gl.bindFramebuffer(gl.READ_FRAMEBUFFER, null); + } + gl.useProgram(null); + gl.lineWidth(1); + gl.scissor(0, 0, gl.canvas.width, gl.canvas.height); + gl.viewport(0, 0, gl.canvas.width, gl.canvas.height); + enabledCapabilities = {}; + currentTextureSlot = null; + currentBoundTextures = {}; + currentBoundFramebuffers = {}; + currentDrawbuffers = /* @__PURE__ */ new WeakMap(); + defaultDrawbuffers = []; + currentProgram = null; + currentBlendingEnabled = false; + currentBlending = null; + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentBlendColor = new Color(0, 0, 0); + currentBlendAlpha = 0; + currentPremultipledAlpha = false; + currentFlipSided = null; + currentCullFace = null; + currentLineWidth = null; + currentPolygonOffsetFactor = null; + currentPolygonOffsetUnits = null; + currentScissor.set(0, 0, gl.canvas.width, gl.canvas.height); + currentViewport.set(0, 0, gl.canvas.width, gl.canvas.height); + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + } + return { + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + enable, + disable, + bindFramebuffer, + drawBuffers, + useProgram, + setBlending, + setMaterial, + setFlipSided, + setCullFace, + setLineWidth, + setPolygonOffset, + setScissorTest, + activeTexture, + bindTexture, + unbindTexture, + compressedTexImage2D, + compressedTexImage3D, + texImage2D, + texImage3D, + updateUBOMapping, + uniformBlockBinding, + texStorage2D, + texStorage3D, + texSubImage2D, + texSubImage3D, + compressedTexSubImage2D, + compressedTexSubImage3D, + scissor, + viewport, + reset + }; +} +function WebGLTextures(_gl, extensions, state, properties, capabilities, utils, info) { + const isWebGL2 = capabilities.isWebGL2; + const maxTextures = capabilities.maxTextures; + const maxCubemapSize = capabilities.maxCubemapSize; + const maxTextureSize = capabilities.maxTextureSize; + const maxSamples = capabilities.maxSamples; + const multisampledRTTExt = extensions.has("WEBGL_multisampled_render_to_texture") ? extensions.get("WEBGL_multisampled_render_to_texture") : null; + const supportsInvalidateFramebuffer = typeof navigator === "undefined" ? false : /OculusBrowser/g.test(navigator.userAgent); + const _videoTextures = /* @__PURE__ */ new WeakMap(); + let _canvas2; + const _sources = /* @__PURE__ */ new WeakMap(); + let useOffscreenCanvas = false; + try { + useOffscreenCanvas = typeof OffscreenCanvas !== "undefined" && new OffscreenCanvas(1, 1).getContext("2d") !== null; + } catch (err) { + } + function createCanvas(width, height) { + return useOffscreenCanvas ? ( + // eslint-disable-next-line compat/compat + new OffscreenCanvas(width, height) + ) : createElementNS("canvas"); + } + function resizeImage(image, needsPowerOfTwo, needsNewCanvas, maxSize) { + let scale = 1; + if (image.width > maxSize || image.height > maxSize) { + scale = maxSize / Math.max(image.width, image.height); + } + if (scale < 1 || needsPowerOfTwo === true) { + if (typeof HTMLImageElement !== "undefined" && image instanceof HTMLImageElement || typeof HTMLCanvasElement !== "undefined" && image instanceof HTMLCanvasElement || typeof ImageBitmap !== "undefined" && image instanceof ImageBitmap) { + const floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor; + const width = floor(scale * image.width); + const height = floor(scale * image.height); + if (_canvas2 === void 0) + _canvas2 = createCanvas(width, height); + const canvas = needsNewCanvas ? createCanvas(width, height) : _canvas2; + canvas.width = width; + canvas.height = height; + const context = canvas.getContext("2d"); + context.drawImage(image, 0, 0, width, height); + console.warn("THREE.WebGLRenderer: Texture has been resized from (" + image.width + "x" + image.height + ") to (" + width + "x" + height + ")."); + return canvas; + } else { + if ("data" in image) { + console.warn("THREE.WebGLRenderer: Image in DataTexture is too big (" + image.width + "x" + image.height + ")."); + } + return image; + } + } + return image; + } + function isPowerOfTwo$1(image) { + return isPowerOfTwo(image.width) && isPowerOfTwo(image.height); + } + function textureNeedsPowerOfTwo(texture) { + if (isWebGL2) + return false; + return texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping || texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; + } + function textureNeedsGenerateMipmaps(texture, supportsMips) { + return texture.generateMipmaps && supportsMips && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; + } + function generateMipmap(target) { + _gl.generateMipmap(target); + } + function getInternalFormat(internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false) { + if (isWebGL2 === false) + return glFormat; + if (internalFormatName !== null) { + if (_gl[internalFormatName] !== void 0) + return _gl[internalFormatName]; + console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '" + internalFormatName + "'"); + } + let internalFormat = glFormat; + if (glFormat === _gl.RED) { + if (glType === _gl.FLOAT) + internalFormat = _gl.R32F; + if (glType === _gl.HALF_FLOAT) + internalFormat = _gl.R16F; + if (glType === _gl.UNSIGNED_BYTE) + internalFormat = _gl.R8; + } + if (glFormat === _gl.RED_INTEGER) { + if (glType === _gl.UNSIGNED_BYTE) + internalFormat = _gl.R8UI; + if (glType === _gl.UNSIGNED_SHORT) + internalFormat = _gl.R16UI; + if (glType === _gl.UNSIGNED_INT) + internalFormat = _gl.R32UI; + if (glType === _gl.BYTE) + internalFormat = _gl.R8I; + if (glType === _gl.SHORT) + internalFormat = _gl.R16I; + if (glType === _gl.INT) + internalFormat = _gl.R32I; + } + if (glFormat === _gl.RG) { + if (glType === _gl.FLOAT) + internalFormat = _gl.RG32F; + if (glType === _gl.HALF_FLOAT) + internalFormat = _gl.RG16F; + if (glType === _gl.UNSIGNED_BYTE) + internalFormat = _gl.RG8; + } + if (glFormat === _gl.RGBA) { + const transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer(colorSpace); + if (glType === _gl.FLOAT) + internalFormat = _gl.RGBA32F; + if (glType === _gl.HALF_FLOAT) + internalFormat = _gl.RGBA16F; + if (glType === _gl.UNSIGNED_BYTE) + internalFormat = transfer === SRGBTransfer ? _gl.SRGB8_ALPHA8 : _gl.RGBA8; + if (glType === _gl.UNSIGNED_SHORT_4_4_4_4) + internalFormat = _gl.RGBA4; + if (glType === _gl.UNSIGNED_SHORT_5_5_5_1) + internalFormat = _gl.RGB5_A1; + } + if (internalFormat === _gl.R16F || internalFormat === _gl.R32F || internalFormat === _gl.RG16F || internalFormat === _gl.RG32F || internalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F) { + extensions.get("EXT_color_buffer_float"); + } + return internalFormat; + } + function getMipLevels(texture, image, supportsMips) { + if (textureNeedsGenerateMipmaps(texture, supportsMips) === true || texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter) { + return Math.log2(Math.max(image.width, image.height)) + 1; + } else if (texture.mipmaps !== void 0 && texture.mipmaps.length > 0) { + return texture.mipmaps.length; + } else if (texture.isCompressedTexture && Array.isArray(texture.image)) { + return image.mipmaps.length; + } else { + return 1; + } + } + function filterFallback(f) { + if (f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter) { + return _gl.NEAREST; + } + return _gl.LINEAR; + } + function onTextureDispose(event) { + const texture = event.target; + texture.removeEventListener("dispose", onTextureDispose); + deallocateTexture(texture); + if (texture.isVideoTexture) { + _videoTextures.delete(texture); + } + } + function onRenderTargetDispose(event) { + const renderTarget = event.target; + renderTarget.removeEventListener("dispose", onRenderTargetDispose); + deallocateRenderTarget(renderTarget); + } + function deallocateTexture(texture) { + const textureProperties = properties.get(texture); + if (textureProperties.__webglInit === void 0) + return; + const source = texture.source; + const webglTextures = _sources.get(source); + if (webglTextures) { + const webglTexture = webglTextures[textureProperties.__cacheKey]; + webglTexture.usedTimes--; + if (webglTexture.usedTimes === 0) { + deleteTexture(texture); + } + if (Object.keys(webglTextures).length === 0) { + _sources.delete(source); + } + } + properties.remove(texture); + } + function deleteTexture(texture) { + const textureProperties = properties.get(texture); + _gl.deleteTexture(textureProperties.__webglTexture); + const source = texture.source; + const webglTextures = _sources.get(source); + delete webglTextures[textureProperties.__cacheKey]; + info.memory.textures--; + } + function deallocateRenderTarget(renderTarget) { + const texture = renderTarget.texture; + const renderTargetProperties = properties.get(renderTarget); + const textureProperties = properties.get(texture); + if (textureProperties.__webglTexture !== void 0) { + _gl.deleteTexture(textureProperties.__webglTexture); + info.memory.textures--; + } + if (renderTarget.depthTexture) { + renderTarget.depthTexture.dispose(); + } + if (renderTarget.isWebGLCubeRenderTarget) { + for (let i = 0; i < 6; i++) { + if (Array.isArray(renderTargetProperties.__webglFramebuffer[i])) { + for (let level = 0; level < renderTargetProperties.__webglFramebuffer[i].length; level++) + _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i][level]); + } else { + _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i]); + } + if (renderTargetProperties.__webglDepthbuffer) + _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer[i]); + } + } else { + if (Array.isArray(renderTargetProperties.__webglFramebuffer)) { + for (let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level++) + _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[level]); + } else { + _gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer); + } + if (renderTargetProperties.__webglDepthbuffer) + _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer); + if (renderTargetProperties.__webglMultisampledFramebuffer) + _gl.deleteFramebuffer(renderTargetProperties.__webglMultisampledFramebuffer); + if (renderTargetProperties.__webglColorRenderbuffer) { + for (let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i++) { + if (renderTargetProperties.__webglColorRenderbuffer[i]) + _gl.deleteRenderbuffer(renderTargetProperties.__webglColorRenderbuffer[i]); + } + } + if (renderTargetProperties.__webglDepthRenderbuffer) + _gl.deleteRenderbuffer(renderTargetProperties.__webglDepthRenderbuffer); + } + if (renderTarget.isWebGLMultipleRenderTargets) { + for (let i = 0, il = texture.length; i < il; i++) { + const attachmentProperties = properties.get(texture[i]); + if (attachmentProperties.__webglTexture) { + _gl.deleteTexture(attachmentProperties.__webglTexture); + info.memory.textures--; + } + properties.remove(texture[i]); + } + } + properties.remove(texture); + properties.remove(renderTarget); + } + let textureUnits = 0; + function resetTextureUnits() { + textureUnits = 0; + } + function allocateTextureUnit() { + const textureUnit = textureUnits; + if (textureUnit >= maxTextures) { + console.warn("THREE.WebGLTextures: Trying to use " + textureUnit + " texture units while this GPU supports only " + maxTextures); + } + textureUnits += 1; + return textureUnit; + } + function getTextureCacheKey(texture) { + const array = []; + array.push(texture.wrapS); + array.push(texture.wrapT); + array.push(texture.wrapR || 0); + array.push(texture.magFilter); + array.push(texture.minFilter); + array.push(texture.anisotropy); + array.push(texture.internalFormat); + array.push(texture.format); + array.push(texture.type); + array.push(texture.generateMipmaps); + array.push(texture.premultiplyAlpha); + array.push(texture.flipY); + array.push(texture.unpackAlignment); + array.push(texture.colorSpace); + return array.join(); + } + function setTexture2D(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.isVideoTexture) + updateVideoTexture(texture); + if (texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version) { + const image = texture.image; + if (image === null) { + console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found."); + } else if (image.complete === false) { + console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete"); + } else { + uploadTexture(textureProperties, texture, slot); + return; + } + } + state.bindTexture(_gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + function setTexture2DArray(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.version > 0 && textureProperties.__version !== texture.version) { + uploadTexture(textureProperties, texture, slot); + return; + } + state.bindTexture(_gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + function setTexture3D(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.version > 0 && textureProperties.__version !== texture.version) { + uploadTexture(textureProperties, texture, slot); + return; + } + state.bindTexture(_gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + function setTextureCube(texture, slot) { + const textureProperties = properties.get(texture); + if (texture.version > 0 && textureProperties.__version !== texture.version) { + uploadCubeTexture(textureProperties, texture, slot); + return; + } + state.bindTexture(_gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + } + const wrappingToGL = { + [RepeatWrapping]: _gl.REPEAT, + [ClampToEdgeWrapping]: _gl.CLAMP_TO_EDGE, + [MirroredRepeatWrapping]: _gl.MIRRORED_REPEAT + }; + const filterToGL = { + [NearestFilter]: _gl.NEAREST, + [NearestMipmapNearestFilter]: _gl.NEAREST_MIPMAP_NEAREST, + [NearestMipmapLinearFilter]: _gl.NEAREST_MIPMAP_LINEAR, + [LinearFilter]: _gl.LINEAR, + [LinearMipmapNearestFilter]: _gl.LINEAR_MIPMAP_NEAREST, + [LinearMipmapLinearFilter]: _gl.LINEAR_MIPMAP_LINEAR + }; + const compareToGL = { + [NeverCompare]: _gl.NEVER, + [AlwaysCompare]: _gl.ALWAYS, + [LessCompare]: _gl.LESS, + [LessEqualCompare]: _gl.LEQUAL, + [EqualCompare]: _gl.EQUAL, + [GreaterEqualCompare]: _gl.GEQUAL, + [GreaterCompare]: _gl.GREATER, + [NotEqualCompare]: _gl.NOTEQUAL + }; + function setTextureParameters(textureType, texture, supportsMips) { + if (supportsMips) { + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[texture.wrapS]); + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[texture.wrapT]); + if (textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY) { + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[texture.wrapR]); + } + _gl.texParameteri(textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[texture.magFilter]); + _gl.texParameteri(textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[texture.minFilter]); + } else { + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE); + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_T, _gl.CLAMP_TO_EDGE); + if (textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY) { + _gl.texParameteri(textureType, _gl.TEXTURE_WRAP_R, _gl.CLAMP_TO_EDGE); + } + if (texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping) { + console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping."); + } + _gl.texParameteri(textureType, _gl.TEXTURE_MAG_FILTER, filterFallback(texture.magFilter)); + _gl.texParameteri(textureType, _gl.TEXTURE_MIN_FILTER, filterFallback(texture.minFilter)); + if (texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter) { + console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter."); + } + } + if (texture.compareFunction) { + _gl.texParameteri(textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE); + _gl.texParameteri(textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[texture.compareFunction]); + } + if (extensions.has("EXT_texture_filter_anisotropic") === true) { + const extension = extensions.get("EXT_texture_filter_anisotropic"); + if (texture.magFilter === NearestFilter) + return; + if (texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter) + return; + if (texture.type === FloatType && extensions.has("OES_texture_float_linear") === false) + return; + if (isWebGL2 === false && (texture.type === HalfFloatType && extensions.has("OES_texture_half_float_linear") === false)) + return; + if (texture.anisotropy > 1 || properties.get(texture).__currentAnisotropy) { + _gl.texParameterf(textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min(texture.anisotropy, capabilities.getMaxAnisotropy())); + properties.get(texture).__currentAnisotropy = texture.anisotropy; + } + } + } + function initTexture(textureProperties, texture) { + let forceUpload = false; + if (textureProperties.__webglInit === void 0) { + textureProperties.__webglInit = true; + texture.addEventListener("dispose", onTextureDispose); + } + const source = texture.source; + let webglTextures = _sources.get(source); + if (webglTextures === void 0) { + webglTextures = {}; + _sources.set(source, webglTextures); + } + const textureCacheKey = getTextureCacheKey(texture); + if (textureCacheKey !== textureProperties.__cacheKey) { + if (webglTextures[textureCacheKey] === void 0) { + webglTextures[textureCacheKey] = { + texture: _gl.createTexture(), + usedTimes: 0 + }; + info.memory.textures++; + forceUpload = true; + } + webglTextures[textureCacheKey].usedTimes++; + const webglTexture = webglTextures[textureProperties.__cacheKey]; + if (webglTexture !== void 0) { + webglTextures[textureProperties.__cacheKey].usedTimes--; + if (webglTexture.usedTimes === 0) { + deleteTexture(texture); + } + } + textureProperties.__cacheKey = textureCacheKey; + textureProperties.__webglTexture = webglTextures[textureCacheKey].texture; + } + return forceUpload; + } + function uploadTexture(textureProperties, texture, slot) { + let textureType = _gl.TEXTURE_2D; + if (texture.isDataArrayTexture || texture.isCompressedArrayTexture) + textureType = _gl.TEXTURE_2D_ARRAY; + if (texture.isData3DTexture) + textureType = _gl.TEXTURE_3D; + const forceUpload = initTexture(textureProperties, texture); + const source = texture.source; + state.bindTexture(textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + const sourceProperties = properties.get(source); + if (source.version !== sourceProperties.__version || forceUpload === true) { + state.activeTexture(_gl.TEXTURE0 + slot); + const workingPrimaries = ColorManagement.getPrimaries(ColorManagement.workingColorSpace); + const texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries(texture.colorSpace); + const unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL; + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, texture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, texture.unpackAlignment); + _gl.pixelStorei(_gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion); + const needsPowerOfTwo = textureNeedsPowerOfTwo(texture) && isPowerOfTwo$1(texture.image) === false; + let image = resizeImage(texture.image, needsPowerOfTwo, false, maxTextureSize); + image = verifyColorSpace(texture, image); + const supportsMips = isPowerOfTwo$1(image) || isWebGL2, glFormat = utils.convert(texture.format, texture.colorSpace); + let glType = utils.convert(texture.type), glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture); + setTextureParameters(textureType, texture, supportsMips); + let mipmap; + const mipmaps = texture.mipmaps; + const useTexStorage = isWebGL2 && texture.isVideoTexture !== true && glInternalFormat !== RGB_ETC1_Format; + const allocateMemory = sourceProperties.__version === void 0 || forceUpload === true; + const levels = getMipLevels(texture, image, supportsMips); + if (texture.isDepthTexture) { + glInternalFormat = _gl.DEPTH_COMPONENT; + if (isWebGL2) { + if (texture.type === FloatType) { + glInternalFormat = _gl.DEPTH_COMPONENT32F; + } else if (texture.type === UnsignedIntType) { + glInternalFormat = _gl.DEPTH_COMPONENT24; + } else if (texture.type === UnsignedInt248Type) { + glInternalFormat = _gl.DEPTH24_STENCIL8; + } else { + glInternalFormat = _gl.DEPTH_COMPONENT16; + } + } else { + if (texture.type === FloatType) { + console.error("WebGLRenderer: Floating point depth texture requires WebGL2."); + } + } + if (texture.format === DepthFormat && glInternalFormat === _gl.DEPTH_COMPONENT) { + if (texture.type !== UnsignedShortType && texture.type !== UnsignedIntType) { + console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."); + texture.type = UnsignedIntType; + glType = utils.convert(texture.type); + } + } + if (texture.format === DepthStencilFormat && glInternalFormat === _gl.DEPTH_COMPONENT) { + glInternalFormat = _gl.DEPTH_STENCIL; + if (texture.type !== UnsignedInt248Type) { + console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."); + texture.type = UnsignedInt248Type; + glType = utils.convert(texture.type); + } + } + if (allocateMemory) { + if (useTexStorage) { + state.texStorage2D(_gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height); + } else { + state.texImage2D(_gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null); + } + } + } else if (texture.isDataTexture) { + if (mipmaps.length > 0 && supportsMips) { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data); + } else { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data); + } + } + texture.generateMipmaps = false; + } else { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height); + } + state.texSubImage2D(_gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data); + } else { + state.texImage2D(_gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data); + } + } + } else if (texture.isCompressedTexture) { + if (texture.isCompressedArrayTexture) { + if (useTexStorage && allocateMemory) { + state.texStorage3D(_gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height, image.depth); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (texture.format !== RGBAFormat) { + if (glFormat !== null) { + if (useTexStorage) { + state.compressedTexSubImage3D(_gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data, 0, 0); + } else { + state.compressedTexImage3D(_gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0); + } + } else { + console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"); + } + } else { + if (useTexStorage) { + state.texSubImage3D(_gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data); + } else { + state.texImage3D(_gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data); + } + } + } + } else { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (texture.format !== RGBAFormat) { + if (glFormat !== null) { + if (useTexStorage) { + state.compressedTexSubImage2D(_gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data); + } else { + state.compressedTexImage2D(_gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data); + } + } else { + console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"); + } + } else { + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data); + } else { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data); + } + } + } + } + } else if (texture.isDataArrayTexture) { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage3D(_gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth); + } + state.texSubImage3D(_gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data); + } else { + state.texImage3D(_gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data); + } + } else if (texture.isData3DTexture) { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage3D(_gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth); + } + state.texSubImage3D(_gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data); + } else { + state.texImage3D(_gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data); + } + } else if (texture.isFramebufferTexture) { + if (allocateMemory) { + if (useTexStorage) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height); + } else { + let width = image.width, height = image.height; + for (let i = 0; i < levels; i++) { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null); + width >>= 1; + height >>= 1; + } + } + } + } else { + if (mipmaps.length > 0 && supportsMips) { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[0].width, mipmaps[0].height); + } + for (let i = 0, il = mipmaps.length; i < il; i++) { + mipmap = mipmaps[i]; + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap); + } else { + state.texImage2D(_gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap); + } + } + texture.generateMipmaps = false; + } else { + if (useTexStorage) { + if (allocateMemory) { + state.texStorage2D(_gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height); + } + state.texSubImage2D(_gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image); + } else { + state.texImage2D(_gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image); + } + } + } + if (textureNeedsGenerateMipmaps(texture, supportsMips)) { + generateMipmap(textureType); + } + sourceProperties.__version = source.version; + if (texture.onUpdate) + texture.onUpdate(texture); + } + textureProperties.__version = texture.version; + } + function uploadCubeTexture(textureProperties, texture, slot) { + if (texture.image.length !== 6) + return; + const forceUpload = initTexture(textureProperties, texture); + const source = texture.source; + state.bindTexture(_gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot); + const sourceProperties = properties.get(source); + if (source.version !== sourceProperties.__version || forceUpload === true) { + state.activeTexture(_gl.TEXTURE0 + slot); + const workingPrimaries = ColorManagement.getPrimaries(ColorManagement.workingColorSpace); + const texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries(texture.colorSpace); + const unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL; + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, texture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, texture.unpackAlignment); + _gl.pixelStorei(_gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion); + const isCompressed = texture.isCompressedTexture || texture.image[0].isCompressedTexture; + const isDataTexture = texture.image[0] && texture.image[0].isDataTexture; + const cubeImage = []; + for (let i = 0; i < 6; i++) { + if (!isCompressed && !isDataTexture) { + cubeImage[i] = resizeImage(texture.image[i], false, true, maxCubemapSize); + } else { + cubeImage[i] = isDataTexture ? texture.image[i].image : texture.image[i]; + } + cubeImage[i] = verifyColorSpace(texture, cubeImage[i]); + } + const image = cubeImage[0], supportsMips = isPowerOfTwo$1(image) || isWebGL2, glFormat = utils.convert(texture.format, texture.colorSpace), glType = utils.convert(texture.type), glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace); + const useTexStorage = isWebGL2 && texture.isVideoTexture !== true; + const allocateMemory = sourceProperties.__version === void 0 || forceUpload === true; + let levels = getMipLevels(texture, image, supportsMips); + setTextureParameters(_gl.TEXTURE_CUBE_MAP, texture, supportsMips); + let mipmaps; + if (isCompressed) { + if (useTexStorage && allocateMemory) { + state.texStorage2D(_gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height); + } + for (let i = 0; i < 6; i++) { + mipmaps = cubeImage[i].mipmaps; + for (let j = 0; j < mipmaps.length; j++) { + const mipmap = mipmaps[j]; + if (texture.format !== RGBAFormat) { + if (glFormat !== null) { + if (useTexStorage) { + state.compressedTexSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data); + } else { + state.compressedTexImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data); + } + } else { + console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"); + } + } else { + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data); + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data); + } + } + } + } + } else { + mipmaps = texture.mipmaps; + if (useTexStorage && allocateMemory) { + if (mipmaps.length > 0) + levels++; + state.texStorage2D(_gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, cubeImage[0].width, cubeImage[0].height); + } + for (let i = 0; i < 6; i++) { + if (isDataTexture) { + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[i].width, cubeImage[i].height, glFormat, glType, cubeImage[i].data); + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[i].width, cubeImage[i].height, 0, glFormat, glType, cubeImage[i].data); + } + for (let j = 0; j < mipmaps.length; j++) { + const mipmap = mipmaps[j]; + const mipmapImage = mipmap.image[i].image; + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data); + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data); + } + } + } else { + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[i]); + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[i]); + } + for (let j = 0; j < mipmaps.length; j++) { + const mipmap = mipmaps[j]; + if (useTexStorage) { + state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[i]); + } else { + state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[i]); + } + } + } + } + } + if (textureNeedsGenerateMipmaps(texture, supportsMips)) { + generateMipmap(_gl.TEXTURE_CUBE_MAP); + } + sourceProperties.__version = source.version; + if (texture.onUpdate) + texture.onUpdate(texture); + } + textureProperties.__version = texture.version; + } + function setupFrameBufferTexture(framebuffer, renderTarget, texture, attachment, textureTarget, level) { + const glFormat = utils.convert(texture.format, texture.colorSpace); + const glType = utils.convert(texture.type); + const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace); + const renderTargetProperties = properties.get(renderTarget); + if (!renderTargetProperties.__hasExternalTextures) { + const width = Math.max(1, renderTarget.width >> level); + const height = Math.max(1, renderTarget.height >> level); + if (textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY) { + state.texImage3D(textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null); + } else { + state.texImage2D(textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null); + } + } + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER, attachment, textureTarget, properties.get(texture).__webglTexture, 0, getRenderTargetSamples(renderTarget)); + } else if (textureTarget === _gl.TEXTURE_2D || textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z) { + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, attachment, textureTarget, properties.get(texture).__webglTexture, level); + } + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + } + function setupRenderBufferStorage(renderbuffer, renderTarget, isMultisample) { + _gl.bindRenderbuffer(_gl.RENDERBUFFER, renderbuffer); + if (renderTarget.depthBuffer && !renderTarget.stencilBuffer) { + let glInternalFormat = isWebGL2 === true ? _gl.DEPTH_COMPONENT24 : _gl.DEPTH_COMPONENT16; + if (isMultisample || useMultisampledRTT(renderTarget)) { + const depthTexture = renderTarget.depthTexture; + if (depthTexture && depthTexture.isDepthTexture) { + if (depthTexture.type === FloatType) { + glInternalFormat = _gl.DEPTH_COMPONENT32F; + } else if (depthTexture.type === UnsignedIntType) { + glInternalFormat = _gl.DEPTH_COMPONENT24; + } + } + const samples = getRenderTargetSamples(renderTarget); + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else { + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } + } else { + _gl.renderbufferStorage(_gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height); + } + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer); + } else if (renderTarget.depthBuffer && renderTarget.stencilBuffer) { + const samples = getRenderTargetSamples(renderTarget); + if (isMultisample && useMultisampledRTT(renderTarget) === false) { + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, _gl.DEPTH24_STENCIL8, renderTarget.width, renderTarget.height); + } else if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER, samples, _gl.DEPTH24_STENCIL8, renderTarget.width, renderTarget.height); + } else { + _gl.renderbufferStorage(_gl.RENDERBUFFER, _gl.DEPTH_STENCIL, renderTarget.width, renderTarget.height); + } + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.RENDERBUFFER, renderbuffer); + } else { + const textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [renderTarget.texture]; + for (let i = 0; i < textures.length; i++) { + const texture = textures[i]; + const glFormat = utils.convert(texture.format, texture.colorSpace); + const glType = utils.convert(texture.type); + const glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.colorSpace); + const samples = getRenderTargetSamples(renderTarget); + if (isMultisample && useMultisampledRTT(renderTarget) === false) { + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + } else { + _gl.renderbufferStorage(_gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height); + } + } + } + _gl.bindRenderbuffer(_gl.RENDERBUFFER, null); + } + function setupDepthTexture(framebuffer, renderTarget) { + const isCube = renderTarget && renderTarget.isWebGLCubeRenderTarget; + if (isCube) + throw new Error("Depth Texture with cube render targets is not supported"); + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + if (!(renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture)) { + throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture"); + } + if (!properties.get(renderTarget.depthTexture).__webglTexture || renderTarget.depthTexture.image.width !== renderTarget.width || renderTarget.depthTexture.image.height !== renderTarget.height) { + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + } + setTexture2D(renderTarget.depthTexture, 0); + const webglDepthTexture = properties.get(renderTarget.depthTexture).__webglTexture; + const samples = getRenderTargetSamples(renderTarget); + if (renderTarget.depthTexture.format === DepthFormat) { + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples); + } else { + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0); + } + } else if (renderTarget.depthTexture.format === DepthStencilFormat) { + if (useMultisampledRTT(renderTarget)) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples); + } else { + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0); + } + } else { + throw new Error("Unknown depthTexture format"); + } + } + function setupDepthRenderbuffer(renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + const isCube = renderTarget.isWebGLCubeRenderTarget === true; + if (renderTarget.depthTexture && !renderTargetProperties.__autoAllocateDepthBuffer) { + if (isCube) + throw new Error("target.depthTexture not supported in Cube render targets"); + setupDepthTexture(renderTargetProperties.__webglFramebuffer, renderTarget); + } else { + if (isCube) { + renderTargetProperties.__webglDepthbuffer = []; + for (let i = 0; i < 6; i++) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[i]); + renderTargetProperties.__webglDepthbuffer[i] = _gl.createRenderbuffer(); + setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer[i], renderTarget, false); + } + } else { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer, renderTarget, false); + } + } + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + } + function rebindTextures(renderTarget, colorTexture, depthTexture) { + const renderTargetProperties = properties.get(renderTarget); + if (colorTexture !== void 0) { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0); + } + if (depthTexture !== void 0) { + setupDepthRenderbuffer(renderTarget); + } + } + function setupRenderTarget(renderTarget) { + const texture = renderTarget.texture; + const renderTargetProperties = properties.get(renderTarget); + const textureProperties = properties.get(texture); + renderTarget.addEventListener("dispose", onRenderTargetDispose); + if (renderTarget.isWebGLMultipleRenderTargets !== true) { + if (textureProperties.__webglTexture === void 0) { + textureProperties.__webglTexture = _gl.createTexture(); + } + textureProperties.__version = texture.version; + info.memory.textures++; + } + const isCube = renderTarget.isWebGLCubeRenderTarget === true; + const isMultipleRenderTargets = renderTarget.isWebGLMultipleRenderTargets === true; + const supportsMips = isPowerOfTwo$1(renderTarget) || isWebGL2; + if (isCube) { + renderTargetProperties.__webglFramebuffer = []; + for (let i = 0; i < 6; i++) { + if (isWebGL2 && texture.mipmaps && texture.mipmaps.length > 0) { + renderTargetProperties.__webglFramebuffer[i] = []; + for (let level = 0; level < texture.mipmaps.length; level++) { + renderTargetProperties.__webglFramebuffer[i][level] = _gl.createFramebuffer(); + } + } else { + renderTargetProperties.__webglFramebuffer[i] = _gl.createFramebuffer(); + } + } + } else { + if (isWebGL2 && texture.mipmaps && texture.mipmaps.length > 0) { + renderTargetProperties.__webglFramebuffer = []; + for (let level = 0; level < texture.mipmaps.length; level++) { + renderTargetProperties.__webglFramebuffer[level] = _gl.createFramebuffer(); + } + } else { + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + } + if (isMultipleRenderTargets) { + if (capabilities.drawBuffers) { + const textures = renderTarget.texture; + for (let i = 0, il = textures.length; i < il; i++) { + const attachmentProperties = properties.get(textures[i]); + if (attachmentProperties.__webglTexture === void 0) { + attachmentProperties.__webglTexture = _gl.createTexture(); + info.memory.textures++; + } + } + } else { + console.warn("THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension."); + } + } + if (isWebGL2 && renderTarget.samples > 0 && useMultisampledRTT(renderTarget) === false) { + const textures = isMultipleRenderTargets ? texture : [texture]; + renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer(); + renderTargetProperties.__webglColorRenderbuffer = []; + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + for (let i = 0; i < textures.length; i++) { + const texture2 = textures[i]; + renderTargetProperties.__webglColorRenderbuffer[i] = _gl.createRenderbuffer(); + _gl.bindRenderbuffer(_gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + const glFormat = utils.convert(texture2.format, texture2.colorSpace); + const glType = utils.convert(texture2.type); + const glInternalFormat = getInternalFormat(texture2.internalFormat, glFormat, glType, texture2.colorSpace, renderTarget.isXRRenderTarget === true); + const samples = getRenderTargetSamples(renderTarget); + _gl.renderbufferStorageMultisample(_gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + } + _gl.bindRenderbuffer(_gl.RENDERBUFFER, null); + if (renderTarget.depthBuffer) { + renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage(renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true); + } + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + } + } + if (isCube) { + state.bindTexture(_gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture); + setTextureParameters(_gl.TEXTURE_CUBE_MAP, texture, supportsMips); + for (let i = 0; i < 6; i++) { + if (isWebGL2 && texture.mipmaps && texture.mipmaps.length > 0) { + for (let level = 0; level < texture.mipmaps.length; level++) { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[i][level], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level); + } + } else { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[i], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0); + } + } + if (textureNeedsGenerateMipmaps(texture, supportsMips)) { + generateMipmap(_gl.TEXTURE_CUBE_MAP); + } + state.unbindTexture(); + } else if (isMultipleRenderTargets) { + const textures = renderTarget.texture; + for (let i = 0, il = textures.length; i < il; i++) { + const attachment = textures[i]; + const attachmentProperties = properties.get(attachment); + state.bindTexture(_gl.TEXTURE_2D, attachmentProperties.__webglTexture); + setTextureParameters(_gl.TEXTURE_2D, attachment, supportsMips); + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, 0); + if (textureNeedsGenerateMipmaps(attachment, supportsMips)) { + generateMipmap(_gl.TEXTURE_2D); + } + } + state.unbindTexture(); + } else { + let glTextureType = _gl.TEXTURE_2D; + if (renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget) { + if (isWebGL2) { + glTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY; + } else { + console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2."); + } + } + state.bindTexture(glTextureType, textureProperties.__webglTexture); + setTextureParameters(glTextureType, texture, supportsMips); + if (isWebGL2 && texture.mipmaps && texture.mipmaps.length > 0) { + for (let level = 0; level < texture.mipmaps.length; level++) { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[level], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level); + } + } else { + setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0); + } + if (textureNeedsGenerateMipmaps(texture, supportsMips)) { + generateMipmap(glTextureType); + } + state.unbindTexture(); + } + if (renderTarget.depthBuffer) { + setupDepthRenderbuffer(renderTarget); + } + } + function updateRenderTargetMipmap(renderTarget) { + const supportsMips = isPowerOfTwo$1(renderTarget) || isWebGL2; + const textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [renderTarget.texture]; + for (let i = 0, il = textures.length; i < il; i++) { + const texture = textures[i]; + if (textureNeedsGenerateMipmaps(texture, supportsMips)) { + const target = renderTarget.isWebGLCubeRenderTarget ? _gl.TEXTURE_CUBE_MAP : _gl.TEXTURE_2D; + const webglTexture = properties.get(texture).__webglTexture; + state.bindTexture(target, webglTexture); + generateMipmap(target); + state.unbindTexture(); + } + } + } + function updateMultisampleRenderTarget(renderTarget) { + if (isWebGL2 && renderTarget.samples > 0 && useMultisampledRTT(renderTarget) === false) { + const textures = renderTarget.isWebGLMultipleRenderTargets ? renderTarget.texture : [renderTarget.texture]; + const width = renderTarget.width; + const height = renderTarget.height; + let mask = _gl.COLOR_BUFFER_BIT; + const invalidationArray = []; + const depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderTargetProperties = properties.get(renderTarget); + const isMultipleRenderTargets = renderTarget.isWebGLMultipleRenderTargets === true; + if (isMultipleRenderTargets) { + for (let i = 0; i < textures.length; i++) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null); + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0); + } + } + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + for (let i = 0; i < textures.length; i++) { + invalidationArray.push(_gl.COLOR_ATTACHMENT0 + i); + if (renderTarget.depthBuffer) { + invalidationArray.push(depthStyle); + } + const ignoreDepthValues = renderTargetProperties.__ignoreDepthValues !== void 0 ? renderTargetProperties.__ignoreDepthValues : false; + if (ignoreDepthValues === false) { + if (renderTarget.depthBuffer) + mask |= _gl.DEPTH_BUFFER_BIT; + if (renderTarget.stencilBuffer) + mask |= _gl.STENCIL_BUFFER_BIT; + } + if (isMultipleRenderTargets) { + _gl.framebufferRenderbuffer(_gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + } + if (ignoreDepthValues === true) { + _gl.invalidateFramebuffer(_gl.READ_FRAMEBUFFER, [depthStyle]); + _gl.invalidateFramebuffer(_gl.DRAW_FRAMEBUFFER, [depthStyle]); + } + if (isMultipleRenderTargets) { + const webglTexture = properties.get(textures[i]).__webglTexture; + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0); + } + _gl.blitFramebuffer(0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST); + if (supportsInvalidateFramebuffer) { + _gl.invalidateFramebuffer(_gl.READ_FRAMEBUFFER, invalidationArray); + } + } + state.bindFramebuffer(_gl.READ_FRAMEBUFFER, null); + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, null); + if (isMultipleRenderTargets) { + for (let i = 0; i < textures.length; i++) { + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + _gl.framebufferRenderbuffer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[i]); + const webglTexture = properties.get(textures[i]).__webglTexture; + state.bindFramebuffer(_gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer); + _gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0); + } + } + state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer); + } + } + function getRenderTargetSamples(renderTarget) { + return Math.min(maxSamples, renderTarget.samples); + } + function useMultisampledRTT(renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + return isWebGL2 && renderTarget.samples > 0 && extensions.has("WEBGL_multisampled_render_to_texture") === true && renderTargetProperties.__useRenderToTexture !== false; + } + function updateVideoTexture(texture) { + const frame = info.render.frame; + if (_videoTextures.get(texture) !== frame) { + _videoTextures.set(texture, frame); + texture.update(); + } + } + function verifyColorSpace(texture, image) { + const colorSpace = texture.colorSpace; + const format = texture.format; + const type = texture.type; + if (texture.isCompressedTexture === true || texture.isVideoTexture === true || texture.format === _SRGBAFormat) + return image; + if (colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace) { + if (ColorManagement.getTransfer(colorSpace) === SRGBTransfer) { + if (isWebGL2 === false) { + if (extensions.has("EXT_sRGB") === true && format === RGBAFormat) { + texture.format = _SRGBAFormat; + texture.minFilter = LinearFilter; + texture.generateMipmaps = false; + } else { + image = ImageUtils.sRGBToLinear(image); + } + } else { + if (format !== RGBAFormat || type !== UnsignedByteType) { + console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."); + } + } + } else { + console.error("THREE.WebGLTextures: Unsupported texture color space:", colorSpace); + } + } + return image; + } + this.allocateTextureUnit = allocateTextureUnit; + this.resetTextureUnits = resetTextureUnits; + this.setTexture2D = setTexture2D; + this.setTexture2DArray = setTexture2DArray; + this.setTexture3D = setTexture3D; + this.setTextureCube = setTextureCube; + this.rebindTextures = rebindTextures; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + this.updateMultisampleRenderTarget = updateMultisampleRenderTarget; + this.setupDepthRenderbuffer = setupDepthRenderbuffer; + this.setupFrameBufferTexture = setupFrameBufferTexture; + this.useMultisampledRTT = useMultisampledRTT; +} +function WebGLUtils(gl, extensions, capabilities) { + const isWebGL2 = capabilities.isWebGL2; + function convert(p, colorSpace = NoColorSpace) { + let extension; + const transfer = ColorManagement.getTransfer(colorSpace); + if (p === UnsignedByteType) + return gl.UNSIGNED_BYTE; + if (p === UnsignedShort4444Type) + return gl.UNSIGNED_SHORT_4_4_4_4; + if (p === UnsignedShort5551Type) + return gl.UNSIGNED_SHORT_5_5_5_1; + if (p === ByteType) + return gl.BYTE; + if (p === ShortType) + return gl.SHORT; + if (p === UnsignedShortType) + return gl.UNSIGNED_SHORT; + if (p === IntType) + return gl.INT; + if (p === UnsignedIntType) + return gl.UNSIGNED_INT; + if (p === FloatType) + return gl.FLOAT; + if (p === HalfFloatType) { + if (isWebGL2) + return gl.HALF_FLOAT; + extension = extensions.get("OES_texture_half_float"); + if (extension !== null) { + return extension.HALF_FLOAT_OES; + } else { + return null; + } + } + if (p === AlphaFormat) + return gl.ALPHA; + if (p === RGBAFormat) + return gl.RGBA; + if (p === LuminanceFormat) + return gl.LUMINANCE; + if (p === LuminanceAlphaFormat) + return gl.LUMINANCE_ALPHA; + if (p === DepthFormat) + return gl.DEPTH_COMPONENT; + if (p === DepthStencilFormat) + return gl.DEPTH_STENCIL; + if (p === _SRGBAFormat) { + extension = extensions.get("EXT_sRGB"); + if (extension !== null) { + return extension.SRGB_ALPHA_EXT; + } else { + return null; + } + } + if (p === RedFormat) + return gl.RED; + if (p === RedIntegerFormat) + return gl.RED_INTEGER; + if (p === RGFormat) + return gl.RG; + if (p === RGIntegerFormat) + return gl.RG_INTEGER; + if (p === RGBAIntegerFormat) + return gl.RGBA_INTEGER; + if (p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format) { + if (transfer === SRGBTransfer) { + extension = extensions.get("WEBGL_compressed_texture_s3tc_srgb"); + if (extension !== null) { + if (p === RGB_S3TC_DXT1_Format) + return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT1_Format) + return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT3_Format) + return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; + if (p === RGBA_S3TC_DXT5_Format) + return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; + } else { + return null; + } + } else { + extension = extensions.get("WEBGL_compressed_texture_s3tc"); + if (extension !== null) { + if (p === RGB_S3TC_DXT1_Format) + return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT1_Format) + return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if (p === RGBA_S3TC_DXT3_Format) + return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if (p === RGBA_S3TC_DXT5_Format) + return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + } else { + return null; + } + } + } + if (p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format) { + extension = extensions.get("WEBGL_compressed_texture_pvrtc"); + if (extension !== null) { + if (p === RGB_PVRTC_4BPPV1_Format) + return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if (p === RGB_PVRTC_2BPPV1_Format) + return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if (p === RGBA_PVRTC_4BPPV1_Format) + return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if (p === RGBA_PVRTC_2BPPV1_Format) + return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + } else { + return null; + } + } + if (p === RGB_ETC1_Format) { + extension = extensions.get("WEBGL_compressed_texture_etc1"); + if (extension !== null) { + return extension.COMPRESSED_RGB_ETC1_WEBGL; + } else { + return null; + } + } + if (p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format) { + extension = extensions.get("WEBGL_compressed_texture_etc"); + if (extension !== null) { + if (p === RGB_ETC2_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2; + if (p === RGBA_ETC2_EAC_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC; + } else { + return null; + } + } + if (p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format) { + extension = extensions.get("WEBGL_compressed_texture_astc"); + if (extension !== null) { + if (p === RGBA_ASTC_4x4_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR; + if (p === RGBA_ASTC_5x4_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR; + if (p === RGBA_ASTC_5x5_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR; + if (p === RGBA_ASTC_6x5_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR; + if (p === RGBA_ASTC_6x6_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR; + if (p === RGBA_ASTC_8x5_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR; + if (p === RGBA_ASTC_8x6_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR; + if (p === RGBA_ASTC_8x8_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR; + if (p === RGBA_ASTC_10x5_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR; + if (p === RGBA_ASTC_10x6_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR; + if (p === RGBA_ASTC_10x8_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR; + if (p === RGBA_ASTC_10x10_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR; + if (p === RGBA_ASTC_12x10_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR; + if (p === RGBA_ASTC_12x12_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR; + } else { + return null; + } + } + if (p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format) { + extension = extensions.get("EXT_texture_compression_bptc"); + if (extension !== null) { + if (p === RGBA_BPTC_Format) + return transfer === SRGBTransfer ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT; + if (p === RGB_BPTC_SIGNED_Format) + return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT; + if (p === RGB_BPTC_UNSIGNED_Format) + return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT; + } else { + return null; + } + } + if (p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format) { + extension = extensions.get("EXT_texture_compression_rgtc"); + if (extension !== null) { + if (p === RGBA_BPTC_Format) + return extension.COMPRESSED_RED_RGTC1_EXT; + if (p === SIGNED_RED_RGTC1_Format) + return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT; + if (p === RED_GREEN_RGTC2_Format) + return extension.COMPRESSED_RED_GREEN_RGTC2_EXT; + if (p === SIGNED_RED_GREEN_RGTC2_Format) + return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT; + } else { + return null; + } + } + if (p === UnsignedInt248Type) { + if (isWebGL2) + return gl.UNSIGNED_INT_24_8; + extension = extensions.get("WEBGL_depth_texture"); + if (extension !== null) { + return extension.UNSIGNED_INT_24_8_WEBGL; + } else { + return null; + } + } + return gl[p] !== void 0 ? gl[p] : null; + } + return { convert }; +} +class ArrayCamera extends PerspectiveCamera { + constructor(array = []) { + super(); + this.isArrayCamera = true; + this.cameras = array; + } +} +class Group extends Object3D { + constructor() { + super(); + this.isGroup = true; + this.type = "Group"; + } +} +const _moveEvent = { type: "move" }; +class WebXRController { + constructor() { + this._targetRay = null; + this._grip = null; + this._hand = null; + } + getHandSpace() { + if (this._hand === null) { + this._hand = new Group(); + this._hand.matrixAutoUpdate = false; + this._hand.visible = false; + this._hand.joints = {}; + this._hand.inputState = { pinching: false }; + } + return this._hand; + } + getTargetRaySpace() { + if (this._targetRay === null) { + this._targetRay = new Group(); + this._targetRay.matrixAutoUpdate = false; + this._targetRay.visible = false; + this._targetRay.hasLinearVelocity = false; + this._targetRay.linearVelocity = new Vector3(); + this._targetRay.hasAngularVelocity = false; + this._targetRay.angularVelocity = new Vector3(); + } + return this._targetRay; + } + getGripSpace() { + if (this._grip === null) { + this._grip = new Group(); + this._grip.matrixAutoUpdate = false; + this._grip.visible = false; + this._grip.hasLinearVelocity = false; + this._grip.linearVelocity = new Vector3(); + this._grip.hasAngularVelocity = false; + this._grip.angularVelocity = new Vector3(); + } + return this._grip; + } + dispatchEvent(event) { + if (this._targetRay !== null) { + this._targetRay.dispatchEvent(event); + } + if (this._grip !== null) { + this._grip.dispatchEvent(event); + } + if (this._hand !== null) { + this._hand.dispatchEvent(event); + } + return this; + } + connect(inputSource) { + if (inputSource && inputSource.hand) { + const hand = this._hand; + if (hand) { + for (const inputjoint of inputSource.hand.values()) { + this._getHandJoint(hand, inputjoint); + } + } + } + this.dispatchEvent({ type: "connected", data: inputSource }); + return this; + } + disconnect(inputSource) { + this.dispatchEvent({ type: "disconnected", data: inputSource }); + if (this._targetRay !== null) { + this._targetRay.visible = false; + } + if (this._grip !== null) { + this._grip.visible = false; + } + if (this._hand !== null) { + this._hand.visible = false; + } + return this; + } + update(inputSource, frame, referenceSpace) { + let inputPose = null; + let gripPose = null; + let handPose = null; + const targetRay = this._targetRay; + const grip = this._grip; + const hand = this._hand; + if (inputSource && frame.session.visibilityState !== "visible-blurred") { + if (hand && inputSource.hand) { + handPose = true; + for (const inputjoint of inputSource.hand.values()) { + const jointPose = frame.getJointPose(inputjoint, referenceSpace); + const joint = this._getHandJoint(hand, inputjoint); + if (jointPose !== null) { + joint.matrix.fromArray(jointPose.transform.matrix); + joint.matrix.decompose(joint.position, joint.rotation, joint.scale); + joint.matrixWorldNeedsUpdate = true; + joint.jointRadius = jointPose.radius; + } + joint.visible = jointPose !== null; + } + const indexTip = hand.joints["index-finger-tip"]; + const thumbTip = hand.joints["thumb-tip"]; + const distance = indexTip.position.distanceTo(thumbTip.position); + const distanceToPinch = 0.02; + const threshold = 5e-3; + if (hand.inputState.pinching && distance > distanceToPinch + threshold) { + hand.inputState.pinching = false; + this.dispatchEvent({ + type: "pinchend", + handedness: inputSource.handedness, + target: this + }); + } else if (!hand.inputState.pinching && distance <= distanceToPinch - threshold) { + hand.inputState.pinching = true; + this.dispatchEvent({ + type: "pinchstart", + handedness: inputSource.handedness, + target: this + }); + } + } else { + if (grip !== null && inputSource.gripSpace) { + gripPose = frame.getPose(inputSource.gripSpace, referenceSpace); + if (gripPose !== null) { + grip.matrix.fromArray(gripPose.transform.matrix); + grip.matrix.decompose(grip.position, grip.rotation, grip.scale); + grip.matrixWorldNeedsUpdate = true; + if (gripPose.linearVelocity) { + grip.hasLinearVelocity = true; + grip.linearVelocity.copy(gripPose.linearVelocity); + } else { + grip.hasLinearVelocity = false; + } + if (gripPose.angularVelocity) { + grip.hasAngularVelocity = true; + grip.angularVelocity.copy(gripPose.angularVelocity); + } else { + grip.hasAngularVelocity = false; + } + } + } + } + if (targetRay !== null) { + inputPose = frame.getPose(inputSource.targetRaySpace, referenceSpace); + if (inputPose === null && gripPose !== null) { + inputPose = gripPose; + } + if (inputPose !== null) { + targetRay.matrix.fromArray(inputPose.transform.matrix); + targetRay.matrix.decompose(targetRay.position, targetRay.rotation, targetRay.scale); + targetRay.matrixWorldNeedsUpdate = true; + if (inputPose.linearVelocity) { + targetRay.hasLinearVelocity = true; + targetRay.linearVelocity.copy(inputPose.linearVelocity); + } else { + targetRay.hasLinearVelocity = false; + } + if (inputPose.angularVelocity) { + targetRay.hasAngularVelocity = true; + targetRay.angularVelocity.copy(inputPose.angularVelocity); + } else { + targetRay.hasAngularVelocity = false; + } + this.dispatchEvent(_moveEvent); + } + } + } + if (targetRay !== null) { + targetRay.visible = inputPose !== null; + } + if (grip !== null) { + grip.visible = gripPose !== null; + } + if (hand !== null) { + hand.visible = handPose !== null; + } + return this; + } + // private method + _getHandJoint(hand, inputjoint) { + if (hand.joints[inputjoint.jointName] === void 0) { + const joint = new Group(); + joint.matrixAutoUpdate = false; + joint.visible = false; + hand.joints[inputjoint.jointName] = joint; + hand.add(joint); + } + return hand.joints[inputjoint.jointName]; + } +} +class WebXRManager extends EventDispatcher { + constructor(renderer, gl) { + super(); + const scope = this; + let session = null; + let framebufferScaleFactor = 1; + let referenceSpace = null; + let referenceSpaceType = "local-floor"; + let foveation = 1; + let customReferenceSpace = null; + let pose = null; + let glBinding = null; + let glProjLayer = null; + let glBaseLayer = null; + let xrFrame = null; + const attributes = gl.getContextAttributes(); + let initialRenderTarget = null; + let newRenderTarget = null; + const controllers = []; + const controllerInputSources = []; + const currentSize = new Vector2(); + let currentPixelRatio = null; + const cameraL = new PerspectiveCamera(); + cameraL.layers.enable(1); + cameraL.viewport = new Vector4(); + const cameraR = new PerspectiveCamera(); + cameraR.layers.enable(2); + cameraR.viewport = new Vector4(); + const cameras = [cameraL, cameraR]; + const cameraXR = new ArrayCamera(); + cameraXR.layers.enable(1); + cameraXR.layers.enable(2); + let _currentDepthNear = null; + let _currentDepthFar = null; + this.cameraAutoUpdate = true; + this.enabled = false; + this.isPresenting = false; + this.getController = function(index) { + let controller = controllers[index]; + if (controller === void 0) { + controller = new WebXRController(); + controllers[index] = controller; + } + return controller.getTargetRaySpace(); + }; + this.getControllerGrip = function(index) { + let controller = controllers[index]; + if (controller === void 0) { + controller = new WebXRController(); + controllers[index] = controller; + } + return controller.getGripSpace(); + }; + this.getHand = function(index) { + let controller = controllers[index]; + if (controller === void 0) { + controller = new WebXRController(); + controllers[index] = controller; + } + return controller.getHandSpace(); + }; + function onSessionEvent(event) { + const controllerIndex = controllerInputSources.indexOf(event.inputSource); + if (controllerIndex === -1) { + return; + } + const controller = controllers[controllerIndex]; + if (controller !== void 0) { + controller.update(event.inputSource, event.frame, customReferenceSpace || referenceSpace); + controller.dispatchEvent({ type: event.type, data: event.inputSource }); + } + } + function onSessionEnd() { + session.removeEventListener("select", onSessionEvent); + session.removeEventListener("selectstart", onSessionEvent); + session.removeEventListener("selectend", onSessionEvent); + session.removeEventListener("squeeze", onSessionEvent); + session.removeEventListener("squeezestart", onSessionEvent); + session.removeEventListener("squeezeend", onSessionEvent); + session.removeEventListener("end", onSessionEnd); + session.removeEventListener("inputsourceschange", onInputSourcesChange); + for (let i = 0; i < controllers.length; i++) { + const inputSource = controllerInputSources[i]; + if (inputSource === null) + continue; + controllerInputSources[i] = null; + controllers[i].disconnect(inputSource); + } + _currentDepthNear = null; + _currentDepthFar = null; + renderer.setRenderTarget(initialRenderTarget); + glBaseLayer = null; + glProjLayer = null; + glBinding = null; + session = null; + newRenderTarget = null; + animation.stop(); + scope.isPresenting = false; + renderer.setPixelRatio(currentPixelRatio); + renderer.setSize(currentSize.width, currentSize.height, false); + scope.dispatchEvent({ type: "sessionend" }); + } + this.setFramebufferScaleFactor = function(value) { + framebufferScaleFactor = value; + if (scope.isPresenting === true) { + console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting."); + } + }; + this.setReferenceSpaceType = function(value) { + referenceSpaceType = value; + if (scope.isPresenting === true) { + console.warn("THREE.WebXRManager: Cannot change reference space type while presenting."); + } + }; + this.getReferenceSpace = function() { + return customReferenceSpace || referenceSpace; + }; + this.setReferenceSpace = function(space) { + customReferenceSpace = space; + }; + this.getBaseLayer = function() { + return glProjLayer !== null ? glProjLayer : glBaseLayer; + }; + this.getBinding = function() { + return glBinding; + }; + this.getFrame = function() { + return xrFrame; + }; + this.getSession = function() { + return session; + }; + this.setSession = async function(value) { + session = value; + if (session !== null) { + initialRenderTarget = renderer.getRenderTarget(); + session.addEventListener("select", onSessionEvent); + session.addEventListener("selectstart", onSessionEvent); + session.addEventListener("selectend", onSessionEvent); + session.addEventListener("squeeze", onSessionEvent); + session.addEventListener("squeezestart", onSessionEvent); + session.addEventListener("squeezeend", onSessionEvent); + session.addEventListener("end", onSessionEnd); + session.addEventListener("inputsourceschange", onInputSourcesChange); + if (attributes.xrCompatible !== true) { + await gl.makeXRCompatible(); + } + currentPixelRatio = renderer.getPixelRatio(); + renderer.getSize(currentSize); + if (session.renderState.layers === void 0 || renderer.capabilities.isWebGL2 === false) { + const layerInit = { + antialias: session.renderState.layers === void 0 ? attributes.antialias : true, + alpha: true, + depth: attributes.depth, + stencil: attributes.stencil, + framebufferScaleFactor + }; + glBaseLayer = new XRWebGLLayer(session, gl, layerInit); + session.updateRenderState({ baseLayer: glBaseLayer }); + renderer.setPixelRatio(1); + renderer.setSize(glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false); + newRenderTarget = new WebGLRenderTarget( + glBaseLayer.framebufferWidth, + glBaseLayer.framebufferHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + colorSpace: renderer.outputColorSpace, + stencilBuffer: attributes.stencil + } + ); + } else { + let depthFormat = null; + let depthType = null; + let glDepthFormat = null; + if (attributes.depth) { + glDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24; + depthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat; + depthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType; + } + const projectionlayerInit = { + colorFormat: gl.RGBA8, + depthFormat: glDepthFormat, + scaleFactor: framebufferScaleFactor + }; + glBinding = new XRWebGLBinding(session, gl); + glProjLayer = glBinding.createProjectionLayer(projectionlayerInit); + session.updateRenderState({ layers: [glProjLayer] }); + renderer.setPixelRatio(1); + renderer.setSize(glProjLayer.textureWidth, glProjLayer.textureHeight, false); + newRenderTarget = new WebGLRenderTarget( + glProjLayer.textureWidth, + glProjLayer.textureHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + depthTexture: new DepthTexture(glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, void 0, void 0, void 0, void 0, void 0, void 0, depthFormat), + stencilBuffer: attributes.stencil, + colorSpace: renderer.outputColorSpace, + samples: attributes.antialias ? 4 : 0 + } + ); + const renderTargetProperties = renderer.properties.get(newRenderTarget); + renderTargetProperties.__ignoreDepthValues = glProjLayer.ignoreDepthValues; + } + newRenderTarget.isXRRenderTarget = true; + this.setFoveation(foveation); + customReferenceSpace = null; + referenceSpace = await session.requestReferenceSpace(referenceSpaceType); + animation.setContext(session); + animation.start(); + scope.isPresenting = true; + scope.dispatchEvent({ type: "sessionstart" }); + } + }; + this.getEnvironmentBlendMode = function() { + if (session !== null) { + return session.environmentBlendMode; + } + }; + function onInputSourcesChange(event) { + for (let i = 0; i < event.removed.length; i++) { + const inputSource = event.removed[i]; + const index = controllerInputSources.indexOf(inputSource); + if (index >= 0) { + controllerInputSources[index] = null; + controllers[index].disconnect(inputSource); + } + } + for (let i = 0; i < event.added.length; i++) { + const inputSource = event.added[i]; + let controllerIndex = controllerInputSources.indexOf(inputSource); + if (controllerIndex === -1) { + for (let i2 = 0; i2 < controllers.length; i2++) { + if (i2 >= controllerInputSources.length) { + controllerInputSources.push(inputSource); + controllerIndex = i2; + break; + } else if (controllerInputSources[i2] === null) { + controllerInputSources[i2] = inputSource; + controllerIndex = i2; + break; + } + } + if (controllerIndex === -1) + break; + } + const controller = controllers[controllerIndex]; + if (controller) { + controller.connect(inputSource); + } + } + } + const cameraLPos = new Vector3(); + const cameraRPos = new Vector3(); + function setProjectionFromUnion(camera, cameraL2, cameraR2) { + cameraLPos.setFromMatrixPosition(cameraL2.matrixWorld); + cameraRPos.setFromMatrixPosition(cameraR2.matrixWorld); + const ipd = cameraLPos.distanceTo(cameraRPos); + const projL = cameraL2.projectionMatrix.elements; + const projR = cameraR2.projectionMatrix.elements; + const near = projL[14] / (projL[10] - 1); + const far = projL[14] / (projL[10] + 1); + const topFov = (projL[9] + 1) / projL[5]; + const bottomFov = (projL[9] - 1) / projL[5]; + const leftFov = (projL[8] - 1) / projL[0]; + const rightFov = (projR[8] + 1) / projR[0]; + const left = near * leftFov; + const right = near * rightFov; + const zOffset = ipd / (-leftFov + rightFov); + const xOffset = zOffset * -leftFov; + cameraL2.matrixWorld.decompose(camera.position, camera.quaternion, camera.scale); + camera.translateX(xOffset); + camera.translateZ(zOffset); + camera.matrixWorld.compose(camera.position, camera.quaternion, camera.scale); + camera.matrixWorldInverse.copy(camera.matrixWorld).invert(); + const near2 = near + zOffset; + const far2 = far + zOffset; + const left2 = left - xOffset; + const right2 = right + (ipd - xOffset); + const top2 = topFov * far / far2 * near2; + const bottom2 = bottomFov * far / far2 * near2; + camera.projectionMatrix.makePerspective(left2, right2, top2, bottom2, near2, far2); + camera.projectionMatrixInverse.copy(camera.projectionMatrix).invert(); + } + function updateCamera(camera, parent) { + if (parent === null) { + camera.matrixWorld.copy(camera.matrix); + } else { + camera.matrixWorld.multiplyMatrices(parent.matrixWorld, camera.matrix); + } + camera.matrixWorldInverse.copy(camera.matrixWorld).invert(); + } + this.updateCamera = function(camera) { + if (session === null) + return; + cameraXR.near = cameraR.near = cameraL.near = camera.near; + cameraXR.far = cameraR.far = cameraL.far = camera.far; + if (_currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far) { + session.updateRenderState({ + depthNear: cameraXR.near, + depthFar: cameraXR.far + }); + _currentDepthNear = cameraXR.near; + _currentDepthFar = cameraXR.far; + } + const parent = camera.parent; + const cameras2 = cameraXR.cameras; + updateCamera(cameraXR, parent); + for (let i = 0; i < cameras2.length; i++) { + updateCamera(cameras2[i], parent); + } + if (cameras2.length === 2) { + setProjectionFromUnion(cameraXR, cameraL, cameraR); + } else { + cameraXR.projectionMatrix.copy(cameraL.projectionMatrix); + } + updateUserCamera(camera, cameraXR, parent); + }; + function updateUserCamera(camera, cameraXR2, parent) { + if (parent === null) { + camera.matrix.copy(cameraXR2.matrixWorld); + } else { + camera.matrix.copy(parent.matrixWorld); + camera.matrix.invert(); + camera.matrix.multiply(cameraXR2.matrixWorld); + } + camera.matrix.decompose(camera.position, camera.quaternion, camera.scale); + camera.updateMatrixWorld(true); + camera.projectionMatrix.copy(cameraXR2.projectionMatrix); + camera.projectionMatrixInverse.copy(cameraXR2.projectionMatrixInverse); + if (camera.isPerspectiveCamera) { + camera.fov = RAD2DEG * 2 * Math.atan(1 / camera.projectionMatrix.elements[5]); + camera.zoom = 1; + } + } + this.getCamera = function() { + return cameraXR; + }; + this.getFoveation = function() { + if (glProjLayer === null && glBaseLayer === null) { + return void 0; + } + return foveation; + }; + this.setFoveation = function(value) { + foveation = value; + if (glProjLayer !== null) { + glProjLayer.fixedFoveation = value; + } + if (glBaseLayer !== null && glBaseLayer.fixedFoveation !== void 0) { + glBaseLayer.fixedFoveation = value; + } + }; + let onAnimationFrameCallback = null; + function onAnimationFrame(time, frame) { + pose = frame.getViewerPose(customReferenceSpace || referenceSpace); + xrFrame = frame; + if (pose !== null) { + const views = pose.views; + if (glBaseLayer !== null) { + renderer.setRenderTargetFramebuffer(newRenderTarget, glBaseLayer.framebuffer); + renderer.setRenderTarget(newRenderTarget); + } + let cameraXRNeedsUpdate = false; + if (views.length !== cameraXR.cameras.length) { + cameraXR.cameras.length = 0; + cameraXRNeedsUpdate = true; + } + for (let i = 0; i < views.length; i++) { + const view = views[i]; + let viewport = null; + if (glBaseLayer !== null) { + viewport = glBaseLayer.getViewport(view); + } else { + const glSubImage = glBinding.getViewSubImage(glProjLayer, view); + viewport = glSubImage.viewport; + if (i === 0) { + renderer.setRenderTargetTextures( + newRenderTarget, + glSubImage.colorTexture, + glProjLayer.ignoreDepthValues ? void 0 : glSubImage.depthStencilTexture + ); + renderer.setRenderTarget(newRenderTarget); + } + } + let camera = cameras[i]; + if (camera === void 0) { + camera = new PerspectiveCamera(); + camera.layers.enable(i); + camera.viewport = new Vector4(); + cameras[i] = camera; + } + camera.matrix.fromArray(view.transform.matrix); + camera.matrix.decompose(camera.position, camera.quaternion, camera.scale); + camera.projectionMatrix.fromArray(view.projectionMatrix); + camera.projectionMatrixInverse.copy(camera.projectionMatrix).invert(); + camera.viewport.set(viewport.x, viewport.y, viewport.width, viewport.height); + if (i === 0) { + cameraXR.matrix.copy(camera.matrix); + cameraXR.matrix.decompose(cameraXR.position, cameraXR.quaternion, cameraXR.scale); + } + if (cameraXRNeedsUpdate === true) { + cameraXR.cameras.push(camera); + } + } + } + for (let i = 0; i < controllers.length; i++) { + const inputSource = controllerInputSources[i]; + const controller = controllers[i]; + if (inputSource !== null && controller !== void 0) { + controller.update(inputSource, frame, customReferenceSpace || referenceSpace); + } + } + if (onAnimationFrameCallback) + onAnimationFrameCallback(time, frame); + if (frame.detectedPlanes) { + scope.dispatchEvent({ type: "planesdetected", data: frame }); + } + xrFrame = null; + } + const animation = new WebGLAnimation(); + animation.setAnimationLoop(onAnimationFrame); + this.setAnimationLoop = function(callback) { + onAnimationFrameCallback = callback; + }; + this.dispose = function() { + }; + } +} +function WebGLMaterials(renderer, properties) { + function refreshTransformUniform(map, uniform) { + if (map.matrixAutoUpdate === true) { + map.updateMatrix(); + } + uniform.value.copy(map.matrix); + } + function refreshFogUniforms(uniforms, fog) { + fog.color.getRGB(uniforms.fogColor.value, getUnlitUniformColorSpace(renderer)); + if (fog.isFog) { + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; + } else if (fog.isFogExp2) { + uniforms.fogDensity.value = fog.density; + } + } + function refreshMaterialUniforms(uniforms, material, pixelRatio, height, transmissionRenderTarget) { + if (material.isMeshBasicMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isMeshLambertMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isMeshToonMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsToon(uniforms, material); + } else if (material.isMeshPhongMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsPhong(uniforms, material); + } else if (material.isMeshStandardMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsStandard(uniforms, material); + if (material.isMeshPhysicalMaterial) { + refreshUniformsPhysical(uniforms, material, transmissionRenderTarget); + } + } else if (material.isMeshMatcapMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsMatcap(uniforms, material); + } else if (material.isMeshDepthMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isMeshDistanceMaterial) { + refreshUniformsCommon(uniforms, material); + refreshUniformsDistance(uniforms, material); + } else if (material.isMeshNormalMaterial) { + refreshUniformsCommon(uniforms, material); + } else if (material.isLineBasicMaterial) { + refreshUniformsLine(uniforms, material); + if (material.isLineDashedMaterial) { + refreshUniformsDash(uniforms, material); + } + } else if (material.isPointsMaterial) { + refreshUniformsPoints(uniforms, material, pixelRatio, height); + } else if (material.isSpriteMaterial) { + refreshUniformsSprites(uniforms, material); + } else if (material.isShadowMaterial) { + uniforms.color.value.copy(material.color); + uniforms.opacity.value = material.opacity; + } else if (material.isShaderMaterial) { + material.uniformsNeedUpdate = false; + } + } + function refreshUniformsCommon(uniforms, material) { + uniforms.opacity.value = material.opacity; + if (material.color) { + uniforms.diffuse.value.copy(material.color); + } + if (material.emissive) { + uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity); + } + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.mapTransform); + } + if (material.alphaMap) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform(material.alphaMap, uniforms.alphaMapTransform); + } + if (material.bumpMap) { + uniforms.bumpMap.value = material.bumpMap; + refreshTransformUniform(material.bumpMap, uniforms.bumpMapTransform); + uniforms.bumpScale.value = material.bumpScale; + if (material.side === BackSide) { + uniforms.bumpScale.value *= -1; + } + } + if (material.normalMap) { + uniforms.normalMap.value = material.normalMap; + refreshTransformUniform(material.normalMap, uniforms.normalMapTransform); + uniforms.normalScale.value.copy(material.normalScale); + if (material.side === BackSide) { + uniforms.normalScale.value.negate(); + } + } + if (material.displacementMap) { + uniforms.displacementMap.value = material.displacementMap; + refreshTransformUniform(material.displacementMap, uniforms.displacementMapTransform); + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + } + if (material.emissiveMap) { + uniforms.emissiveMap.value = material.emissiveMap; + refreshTransformUniform(material.emissiveMap, uniforms.emissiveMapTransform); + } + if (material.specularMap) { + uniforms.specularMap.value = material.specularMap; + refreshTransformUniform(material.specularMap, uniforms.specularMapTransform); + } + if (material.alphaTest > 0) { + uniforms.alphaTest.value = material.alphaTest; + } + const envMap = properties.get(material).envMap; + if (envMap) { + uniforms.envMap.value = envMap; + uniforms.flipEnvMap.value = envMap.isCubeTexture && envMap.isRenderTargetTexture === false ? -1 : 1; + uniforms.reflectivity.value = material.reflectivity; + uniforms.ior.value = material.ior; + uniforms.refractionRatio.value = material.refractionRatio; + } + if (material.lightMap) { + uniforms.lightMap.value = material.lightMap; + const scaleFactor = renderer._useLegacyLights === true ? Math.PI : 1; + uniforms.lightMapIntensity.value = material.lightMapIntensity * scaleFactor; + refreshTransformUniform(material.lightMap, uniforms.lightMapTransform); + } + if (material.aoMap) { + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; + refreshTransformUniform(material.aoMap, uniforms.aoMapTransform); + } + } + function refreshUniformsLine(uniforms, material) { + uniforms.diffuse.value.copy(material.color); + uniforms.opacity.value = material.opacity; + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.mapTransform); + } + } + function refreshUniformsDash(uniforms, material) { + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; + } + function refreshUniformsPoints(uniforms, material, pixelRatio, height) { + uniforms.diffuse.value.copy(material.color); + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * pixelRatio; + uniforms.scale.value = height * 0.5; + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.uvTransform); + } + if (material.alphaMap) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform(material.alphaMap, uniforms.alphaMapTransform); + } + if (material.alphaTest > 0) { + uniforms.alphaTest.value = material.alphaTest; + } + } + function refreshUniformsSprites(uniforms, material) { + uniforms.diffuse.value.copy(material.color); + uniforms.opacity.value = material.opacity; + uniforms.rotation.value = material.rotation; + if (material.map) { + uniforms.map.value = material.map; + refreshTransformUniform(material.map, uniforms.mapTransform); + } + if (material.alphaMap) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform(material.alphaMap, uniforms.alphaMapTransform); + } + if (material.alphaTest > 0) { + uniforms.alphaTest.value = material.alphaTest; + } + } + function refreshUniformsPhong(uniforms, material) { + uniforms.specular.value.copy(material.specular); + uniforms.shininess.value = Math.max(material.shininess, 1e-4); + } + function refreshUniformsToon(uniforms, material) { + if (material.gradientMap) { + uniforms.gradientMap.value = material.gradientMap; + } + } + function refreshUniformsStandard(uniforms, material) { + uniforms.metalness.value = material.metalness; + if (material.metalnessMap) { + uniforms.metalnessMap.value = material.metalnessMap; + refreshTransformUniform(material.metalnessMap, uniforms.metalnessMapTransform); + } + uniforms.roughness.value = material.roughness; + if (material.roughnessMap) { + uniforms.roughnessMap.value = material.roughnessMap; + refreshTransformUniform(material.roughnessMap, uniforms.roughnessMapTransform); + } + const envMap = properties.get(material).envMap; + if (envMap) { + uniforms.envMapIntensity.value = material.envMapIntensity; + } + } + function refreshUniformsPhysical(uniforms, material, transmissionRenderTarget) { + uniforms.ior.value = material.ior; + if (material.sheen > 0) { + uniforms.sheenColor.value.copy(material.sheenColor).multiplyScalar(material.sheen); + uniforms.sheenRoughness.value = material.sheenRoughness; + if (material.sheenColorMap) { + uniforms.sheenColorMap.value = material.sheenColorMap; + refreshTransformUniform(material.sheenColorMap, uniforms.sheenColorMapTransform); + } + if (material.sheenRoughnessMap) { + uniforms.sheenRoughnessMap.value = material.sheenRoughnessMap; + refreshTransformUniform(material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform); + } + } + if (material.clearcoat > 0) { + uniforms.clearcoat.value = material.clearcoat; + uniforms.clearcoatRoughness.value = material.clearcoatRoughness; + if (material.clearcoatMap) { + uniforms.clearcoatMap.value = material.clearcoatMap; + refreshTransformUniform(material.clearcoatMap, uniforms.clearcoatMapTransform); + } + if (material.clearcoatRoughnessMap) { + uniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap; + refreshTransformUniform(material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform); + } + if (material.clearcoatNormalMap) { + uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap; + refreshTransformUniform(material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform); + uniforms.clearcoatNormalScale.value.copy(material.clearcoatNormalScale); + if (material.side === BackSide) { + uniforms.clearcoatNormalScale.value.negate(); + } + } + } + if (material.iridescence > 0) { + uniforms.iridescence.value = material.iridescence; + uniforms.iridescenceIOR.value = material.iridescenceIOR; + uniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[0]; + uniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[1]; + if (material.iridescenceMap) { + uniforms.iridescenceMap.value = material.iridescenceMap; + refreshTransformUniform(material.iridescenceMap, uniforms.iridescenceMapTransform); + } + if (material.iridescenceThicknessMap) { + uniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap; + refreshTransformUniform(material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform); + } + } + if (material.transmission > 0) { + uniforms.transmission.value = material.transmission; + uniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture; + uniforms.transmissionSamplerSize.value.set(transmissionRenderTarget.width, transmissionRenderTarget.height); + if (material.transmissionMap) { + uniforms.transmissionMap.value = material.transmissionMap; + refreshTransformUniform(material.transmissionMap, uniforms.transmissionMapTransform); + } + uniforms.thickness.value = material.thickness; + if (material.thicknessMap) { + uniforms.thicknessMap.value = material.thicknessMap; + refreshTransformUniform(material.thicknessMap, uniforms.thicknessMapTransform); + } + uniforms.attenuationDistance.value = material.attenuationDistance; + uniforms.attenuationColor.value.copy(material.attenuationColor); + } + if (material.anisotropy > 0) { + uniforms.anisotropyVector.value.set(material.anisotropy * Math.cos(material.anisotropyRotation), material.anisotropy * Math.sin(material.anisotropyRotation)); + if (material.anisotropyMap) { + uniforms.anisotropyMap.value = material.anisotropyMap; + refreshTransformUniform(material.anisotropyMap, uniforms.anisotropyMapTransform); + } + } + uniforms.specularIntensity.value = material.specularIntensity; + uniforms.specularColor.value.copy(material.specularColor); + if (material.specularColorMap) { + uniforms.specularColorMap.value = material.specularColorMap; + refreshTransformUniform(material.specularColorMap, uniforms.specularColorMapTransform); + } + if (material.specularIntensityMap) { + uniforms.specularIntensityMap.value = material.specularIntensityMap; + refreshTransformUniform(material.specularIntensityMap, uniforms.specularIntensityMapTransform); + } + } + function refreshUniformsMatcap(uniforms, material) { + if (material.matcap) { + uniforms.matcap.value = material.matcap; + } + } + function refreshUniformsDistance(uniforms, material) { + const light = properties.get(material).light; + uniforms.referencePosition.value.setFromMatrixPosition(light.matrixWorld); + uniforms.nearDistance.value = light.shadow.camera.near; + uniforms.farDistance.value = light.shadow.camera.far; + } + return { + refreshFogUniforms, + refreshMaterialUniforms + }; +} +function WebGLUniformsGroups(gl, info, capabilities, state) { + let buffers = {}; + let updateList = {}; + let allocatedBindingPoints = []; + const maxBindingPoints = capabilities.isWebGL2 ? gl.getParameter(gl.MAX_UNIFORM_BUFFER_BINDINGS) : 0; + function bind(uniformsGroup, program) { + const webglProgram = program.program; + state.uniformBlockBinding(uniformsGroup, webglProgram); + } + function update2(uniformsGroup, program) { + let buffer = buffers[uniformsGroup.id]; + if (buffer === void 0) { + prepareUniformsGroup(uniformsGroup); + buffer = createBuffer(uniformsGroup); + buffers[uniformsGroup.id] = buffer; + uniformsGroup.addEventListener("dispose", onUniformsGroupsDispose); + } + const webglProgram = program.program; + state.updateUBOMapping(uniformsGroup, webglProgram); + const frame = info.render.frame; + if (updateList[uniformsGroup.id] !== frame) { + updateBufferData(uniformsGroup); + updateList[uniformsGroup.id] = frame; + } + } + function createBuffer(uniformsGroup) { + const bindingPointIndex = allocateBindingPointIndex(); + uniformsGroup.__bindingPointIndex = bindingPointIndex; + const buffer = gl.createBuffer(); + const size = uniformsGroup.__size; + const usage = uniformsGroup.usage; + gl.bindBuffer(gl.UNIFORM_BUFFER, buffer); + gl.bufferData(gl.UNIFORM_BUFFER, size, usage); + gl.bindBuffer(gl.UNIFORM_BUFFER, null); + gl.bindBufferBase(gl.UNIFORM_BUFFER, bindingPointIndex, buffer); + return buffer; + } + function allocateBindingPointIndex() { + for (let i = 0; i < maxBindingPoints; i++) { + if (allocatedBindingPoints.indexOf(i) === -1) { + allocatedBindingPoints.push(i); + return i; + } + } + console.error("THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."); + return 0; + } + function updateBufferData(uniformsGroup) { + const buffer = buffers[uniformsGroup.id]; + const uniforms = uniformsGroup.uniforms; + const cache = uniformsGroup.__cache; + gl.bindBuffer(gl.UNIFORM_BUFFER, buffer); + for (let i = 0, il = uniforms.length; i < il; i++) { + const uniform = uniforms[i]; + if (hasUniformChanged(uniform, i, cache) === true) { + const offset = uniform.__offset; + const values = Array.isArray(uniform.value) ? uniform.value : [uniform.value]; + let arrayOffset = 0; + for (let i2 = 0; i2 < values.length; i2++) { + const value = values[i2]; + const info2 = getUniformSize(value); + if (typeof value === "number") { + uniform.__data[0] = value; + gl.bufferSubData(gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data); + } else if (value.isMatrix3) { + uniform.__data[0] = value.elements[0]; + uniform.__data[1] = value.elements[1]; + uniform.__data[2] = value.elements[2]; + uniform.__data[3] = value.elements[0]; + uniform.__data[4] = value.elements[3]; + uniform.__data[5] = value.elements[4]; + uniform.__data[6] = value.elements[5]; + uniform.__data[7] = value.elements[0]; + uniform.__data[8] = value.elements[6]; + uniform.__data[9] = value.elements[7]; + uniform.__data[10] = value.elements[8]; + uniform.__data[11] = value.elements[0]; + } else { + value.toArray(uniform.__data, arrayOffset); + arrayOffset += info2.storage / Float32Array.BYTES_PER_ELEMENT; + } + } + gl.bufferSubData(gl.UNIFORM_BUFFER, offset, uniform.__data); + } + } + gl.bindBuffer(gl.UNIFORM_BUFFER, null); + } + function hasUniformChanged(uniform, index, cache) { + const value = uniform.value; + if (cache[index] === void 0) { + if (typeof value === "number") { + cache[index] = value; + } else { + const values = Array.isArray(value) ? value : [value]; + const tempValues = []; + for (let i = 0; i < values.length; i++) { + tempValues.push(values[i].clone()); + } + cache[index] = tempValues; + } + return true; + } else { + if (typeof value === "number") { + if (cache[index] !== value) { + cache[index] = value; + return true; + } + } else { + const cachedObjects = Array.isArray(cache[index]) ? cache[index] : [cache[index]]; + const values = Array.isArray(value) ? value : [value]; + for (let i = 0; i < cachedObjects.length; i++) { + const cachedObject = cachedObjects[i]; + if (cachedObject.equals(values[i]) === false) { + cachedObject.copy(values[i]); + return true; + } + } + } + } + return false; + } + function prepareUniformsGroup(uniformsGroup) { + const uniforms = uniformsGroup.uniforms; + let offset = 0; + const chunkSize = 16; + let chunkOffset = 0; + for (let i = 0, l = uniforms.length; i < l; i++) { + const uniform = uniforms[i]; + const infos = { + boundary: 0, + // bytes + storage: 0 + // bytes + }; + const values = Array.isArray(uniform.value) ? uniform.value : [uniform.value]; + for (let j = 0, jl = values.length; j < jl; j++) { + const value = values[j]; + const info2 = getUniformSize(value); + infos.boundary += info2.boundary; + infos.storage += info2.storage; + } + uniform.__data = new Float32Array(infos.storage / Float32Array.BYTES_PER_ELEMENT); + uniform.__offset = offset; + if (i > 0) { + chunkOffset = offset % chunkSize; + const remainingSizeInChunk = chunkSize - chunkOffset; + if (chunkOffset !== 0 && remainingSizeInChunk - infos.boundary < 0) { + offset += chunkSize - chunkOffset; + uniform.__offset = offset; + } + } + offset += infos.storage; + } + chunkOffset = offset % chunkSize; + if (chunkOffset > 0) + offset += chunkSize - chunkOffset; + uniformsGroup.__size = offset; + uniformsGroup.__cache = {}; + return this; + } + function getUniformSize(value) { + const info2 = { + boundary: 0, + // bytes + storage: 0 + // bytes + }; + if (typeof value === "number") { + info2.boundary = 4; + info2.storage = 4; + } else if (value.isVector2) { + info2.boundary = 8; + info2.storage = 8; + } else if (value.isVector3 || value.isColor) { + info2.boundary = 16; + info2.storage = 12; + } else if (value.isVector4) { + info2.boundary = 16; + info2.storage = 16; + } else if (value.isMatrix3) { + info2.boundary = 48; + info2.storage = 48; + } else if (value.isMatrix4) { + info2.boundary = 64; + info2.storage = 64; + } else if (value.isTexture) { + console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."); + } else { + console.warn("THREE.WebGLRenderer: Unsupported uniform value type.", value); + } + return info2; + } + function onUniformsGroupsDispose(event) { + const uniformsGroup = event.target; + uniformsGroup.removeEventListener("dispose", onUniformsGroupsDispose); + const index = allocatedBindingPoints.indexOf(uniformsGroup.__bindingPointIndex); + allocatedBindingPoints.splice(index, 1); + gl.deleteBuffer(buffers[uniformsGroup.id]); + delete buffers[uniformsGroup.id]; + delete updateList[uniformsGroup.id]; + } + function dispose() { + for (const id in buffers) { + gl.deleteBuffer(buffers[id]); + } + allocatedBindingPoints = []; + buffers = {}; + updateList = {}; + } + return { + bind, + update: update2, + dispose + }; +} +class WebGLRenderer { + constructor(parameters = {}) { + const { + canvas = createCanvasElement(), + context = null, + depth = true, + stencil = true, + alpha = false, + antialias = false, + premultipliedAlpha = true, + preserveDrawingBuffer = false, + powerPreference = "default", + failIfMajorPerformanceCaveat = false + } = parameters; + this.isWebGLRenderer = true; + let _alpha; + if (context !== null) { + _alpha = context.getContextAttributes().alpha; + } else { + _alpha = alpha; + } + const uintClearColor = new Uint32Array(4); + const intClearColor = new Int32Array(4); + let currentRenderList = null; + let currentRenderState = null; + const renderListStack = []; + const renderStateStack = []; + this.domElement = canvas; + this.debug = { + /** + * Enables error checking and reporting when shader programs are being compiled + * @type {boolean} + */ + checkShaderErrors: true, + /** + * Callback for custom error reporting. + * @type {?Function} + */ + onShaderError: null + }; + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + this.sortObjects = true; + this.clippingPlanes = []; + this.localClippingEnabled = false; + this._outputColorSpace = SRGBColorSpace; + this._useLegacyLights = false; + this.toneMapping = NoToneMapping; + this.toneMappingExposure = 1; + const _this = this; + let _isContextLost = false; + let _currentActiveCubeFace = 0; + let _currentActiveMipmapLevel = 0; + let _currentRenderTarget = null; + let _currentMaterialId = -1; + let _currentCamera = null; + const _currentViewport = new Vector4(); + const _currentScissor = new Vector4(); + let _currentScissorTest = null; + const _currentClearColor = new Color(0); + let _currentClearAlpha = 0; + let _width = canvas.width; + let _height = canvas.height; + let _pixelRatio = 1; + let _opaqueSort = null; + let _transparentSort = null; + const _viewport = new Vector4(0, 0, _width, _height); + const _scissor = new Vector4(0, 0, _width, _height); + let _scissorTest = false; + const _frustum2 = new Frustum(); + let _clippingEnabled = false; + let _localClippingEnabled = false; + let _transmissionRenderTarget = null; + const _projScreenMatrix2 = new Matrix4(); + const _vector22 = new Vector2(); + const _vector32 = new Vector3(); + const _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true }; + function getTargetPixelRatio() { + return _currentRenderTarget === null ? _pixelRatio : 1; + } + let _gl = context; + function getContext2(contextNames, contextAttributes) { + for (let i = 0; i < contextNames.length; i++) { + const contextName2 = contextNames[i]; + const context2 = canvas.getContext(contextName2, contextAttributes); + if (context2 !== null) + return context2; + } + return null; + } + try { + const contextAttributes = { + alpha: true, + depth, + stencil, + antialias, + premultipliedAlpha, + preserveDrawingBuffer, + powerPreference, + failIfMajorPerformanceCaveat + }; + if ("setAttribute" in canvas) + canvas.setAttribute("data-engine", `three.js r${REVISION}`); + canvas.addEventListener("webglcontextlost", onContextLost, false); + canvas.addEventListener("webglcontextrestored", onContextRestore, false); + canvas.addEventListener("webglcontextcreationerror", onContextCreationError, false); + if (_gl === null) { + const contextNames = ["webgl2", "webgl", "experimental-webgl"]; + if (_this.isWebGL1Renderer === true) { + contextNames.shift(); + } + _gl = getContext2(contextNames, contextAttributes); + if (_gl === null) { + if (getContext2(contextNames)) { + throw new Error("Error creating WebGL context with your selected attributes."); + } else { + throw new Error("Error creating WebGL context."); + } + } + } + if (typeof WebGLRenderingContext !== "undefined" && _gl instanceof WebGLRenderingContext) { + console.warn("THREE.WebGLRenderer: WebGL 1 support was deprecated in r153 and will be removed in r163."); + } + if (_gl.getShaderPrecisionFormat === void 0) { + _gl.getShaderPrecisionFormat = function() { + return { "rangeMin": 1, "rangeMax": 1, "precision": 1 }; + }; + } + } catch (error) { + console.error("THREE.WebGLRenderer: " + error.message); + throw error; + } + let extensions, capabilities, state, info; + let properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects; + let programCache, materials, renderLists, renderStates, clipping, shadowMap; + let background, morphtargets, bufferRenderer, indexedBufferRenderer; + let utils, bindingStates, uniformsGroups; + function initGLContext() { + extensions = new WebGLExtensions(_gl); + capabilities = new WebGLCapabilities(_gl, extensions, parameters); + extensions.init(capabilities); + utils = new WebGLUtils(_gl, extensions, capabilities); + state = new WebGLState(_gl, extensions, capabilities); + info = new WebGLInfo(_gl); + properties = new WebGLProperties(); + textures = new WebGLTextures(_gl, extensions, state, properties, capabilities, utils, info); + cubemaps = new WebGLCubeMaps(_this); + cubeuvmaps = new WebGLCubeUVMaps(_this); + attributes = new WebGLAttributes(_gl, capabilities); + bindingStates = new WebGLBindingStates(_gl, extensions, attributes, capabilities); + geometries = new WebGLGeometries(_gl, attributes, info, bindingStates); + objects = new WebGLObjects(_gl, geometries, attributes, info); + morphtargets = new WebGLMorphtargets(_gl, capabilities, textures); + clipping = new WebGLClipping(properties); + programCache = new WebGLPrograms(_this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping); + materials = new WebGLMaterials(_this, properties); + renderLists = new WebGLRenderLists(); + renderStates = new WebGLRenderStates(extensions, capabilities); + background = new WebGLBackground(_this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha); + shadowMap = new WebGLShadowMap(_this, objects, capabilities); + uniformsGroups = new WebGLUniformsGroups(_gl, info, capabilities, state); + bufferRenderer = new WebGLBufferRenderer(_gl, extensions, info, capabilities); + indexedBufferRenderer = new WebGLIndexedBufferRenderer(_gl, extensions, info, capabilities); + info.programs = programCache.programs; + _this.capabilities = capabilities; + _this.extensions = extensions; + _this.properties = properties; + _this.renderLists = renderLists; + _this.shadowMap = shadowMap; + _this.state = state; + _this.info = info; + } + initGLContext(); + const xr = new WebXRManager(_this, _gl); + this.xr = xr; + this.getContext = function() { + return _gl; + }; + this.getContextAttributes = function() { + return _gl.getContextAttributes(); + }; + this.forceContextLoss = function() { + const extension = extensions.get("WEBGL_lose_context"); + if (extension) + extension.loseContext(); + }; + this.forceContextRestore = function() { + const extension = extensions.get("WEBGL_lose_context"); + if (extension) + extension.restoreContext(); + }; + this.getPixelRatio = function() { + return _pixelRatio; + }; + this.setPixelRatio = function(value) { + if (value === void 0) + return; + _pixelRatio = value; + this.setSize(_width, _height, false); + }; + this.getSize = function(target) { + return target.set(_width, _height); + }; + this.setSize = function(width, height, updateStyle = true) { + if (xr.isPresenting) { + console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting."); + return; + } + _width = width; + _height = height; + canvas.width = Math.floor(width * _pixelRatio); + canvas.height = Math.floor(height * _pixelRatio); + if (updateStyle === true) { + canvas.style.width = width + "px"; + canvas.style.height = height + "px"; + } + this.setViewport(0, 0, width, height); + }; + this.getDrawingBufferSize = function(target) { + return target.set(_width * _pixelRatio, _height * _pixelRatio).floor(); + }; + this.setDrawingBufferSize = function(width, height, pixelRatio) { + _width = width; + _height = height; + _pixelRatio = pixelRatio; + canvas.width = Math.floor(width * pixelRatio); + canvas.height = Math.floor(height * pixelRatio); + this.setViewport(0, 0, width, height); + }; + this.getCurrentViewport = function(target) { + return target.copy(_currentViewport); + }; + this.getViewport = function(target) { + return target.copy(_viewport); + }; + this.setViewport = function(x, y, width, height) { + if (x.isVector4) { + _viewport.set(x.x, x.y, x.z, x.w); + } else { + _viewport.set(x, y, width, height); + } + state.viewport(_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor()); + }; + this.getScissor = function(target) { + return target.copy(_scissor); + }; + this.setScissor = function(x, y, width, height) { + if (x.isVector4) { + _scissor.set(x.x, x.y, x.z, x.w); + } else { + _scissor.set(x, y, width, height); + } + state.scissor(_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor()); + }; + this.getScissorTest = function() { + return _scissorTest; + }; + this.setScissorTest = function(boolean) { + state.setScissorTest(_scissorTest = boolean); + }; + this.setOpaqueSort = function(method) { + _opaqueSort = method; + }; + this.setTransparentSort = function(method) { + _transparentSort = method; + }; + this.getClearColor = function(target) { + return target.copy(background.getClearColor()); + }; + this.setClearColor = function() { + background.setClearColor.apply(background, arguments); + }; + this.getClearAlpha = function() { + return background.getClearAlpha(); + }; + this.setClearAlpha = function() { + background.setClearAlpha.apply(background, arguments); + }; + this.clear = function(color = true, depth2 = true, stencil2 = true) { + let bits = 0; + if (color) { + let isIntegerFormat = false; + if (_currentRenderTarget !== null) { + const targetFormat = _currentRenderTarget.texture.format; + isIntegerFormat = targetFormat === RGBAIntegerFormat || targetFormat === RGIntegerFormat || targetFormat === RedIntegerFormat; + } + if (isIntegerFormat) { + const targetType = _currentRenderTarget.texture.type; + const isUnsignedType = targetType === UnsignedByteType || targetType === UnsignedIntType || targetType === UnsignedShortType || targetType === UnsignedInt248Type || targetType === UnsignedShort4444Type || targetType === UnsignedShort5551Type; + const clearColor = background.getClearColor(); + const a = background.getClearAlpha(); + const r = clearColor.r; + const g = clearColor.g; + const b = clearColor.b; + if (isUnsignedType) { + uintClearColor[0] = r; + uintClearColor[1] = g; + uintClearColor[2] = b; + uintClearColor[3] = a; + _gl.clearBufferuiv(_gl.COLOR, 0, uintClearColor); + } else { + intClearColor[0] = r; + intClearColor[1] = g; + intClearColor[2] = b; + intClearColor[3] = a; + _gl.clearBufferiv(_gl.COLOR, 0, intClearColor); + } + } else { + bits |= _gl.COLOR_BUFFER_BIT; + } + } + if (depth2) + bits |= _gl.DEPTH_BUFFER_BIT; + if (stencil2) { + bits |= _gl.STENCIL_BUFFER_BIT; + this.state.buffers.stencil.setMask(4294967295); + } + _gl.clear(bits); + }; + this.clearColor = function() { + this.clear(true, false, false); + }; + this.clearDepth = function() { + this.clear(false, true, false); + }; + this.clearStencil = function() { + this.clear(false, false, true); + }; + this.dispose = function() { + canvas.removeEventListener("webglcontextlost", onContextLost, false); + canvas.removeEventListener("webglcontextrestored", onContextRestore, false); + canvas.removeEventListener("webglcontextcreationerror", onContextCreationError, false); + renderLists.dispose(); + renderStates.dispose(); + properties.dispose(); + cubemaps.dispose(); + cubeuvmaps.dispose(); + objects.dispose(); + bindingStates.dispose(); + uniformsGroups.dispose(); + programCache.dispose(); + xr.dispose(); + xr.removeEventListener("sessionstart", onXRSessionStart); + xr.removeEventListener("sessionend", onXRSessionEnd); + if (_transmissionRenderTarget) { + _transmissionRenderTarget.dispose(); + _transmissionRenderTarget = null; + } + animation.stop(); + }; + function onContextLost(event) { + event.preventDefault(); + console.log("THREE.WebGLRenderer: Context Lost."); + _isContextLost = true; + } + function onContextRestore() { + console.log("THREE.WebGLRenderer: Context Restored."); + _isContextLost = false; + const infoAutoReset = info.autoReset; + const shadowMapEnabled = shadowMap.enabled; + const shadowMapAutoUpdate = shadowMap.autoUpdate; + const shadowMapNeedsUpdate = shadowMap.needsUpdate; + const shadowMapType = shadowMap.type; + initGLContext(); + info.autoReset = infoAutoReset; + shadowMap.enabled = shadowMapEnabled; + shadowMap.autoUpdate = shadowMapAutoUpdate; + shadowMap.needsUpdate = shadowMapNeedsUpdate; + shadowMap.type = shadowMapType; + } + function onContextCreationError(event) { + console.error("THREE.WebGLRenderer: A WebGL context could not be created. Reason: ", event.statusMessage); + } + function onMaterialDispose(event) { + const material = event.target; + material.removeEventListener("dispose", onMaterialDispose); + deallocateMaterial(material); + } + function deallocateMaterial(material) { + releaseMaterialProgramReferences(material); + properties.remove(material); + } + function releaseMaterialProgramReferences(material) { + const programs = properties.get(material).programs; + if (programs !== void 0) { + programs.forEach(function(program) { + programCache.releaseProgram(program); + }); + if (material.isShaderMaterial) { + programCache.releaseShaderCache(material); + } + } + } + this.renderBufferDirect = function(camera, scene, geometry, material, object, group) { + if (scene === null) + scene = _emptyScene; + const frontFaceCW = object.isMesh && object.matrixWorld.determinant() < 0; + const program = setProgram(camera, scene, geometry, material, object); + state.setMaterial(material, frontFaceCW); + let index = geometry.index; + let rangeFactor = 1; + if (material.wireframe === true) { + index = geometries.getWireframeAttribute(geometry); + if (index === void 0) + return; + rangeFactor = 2; + } + const drawRange = geometry.drawRange; + const position = geometry.attributes.position; + let drawStart = drawRange.start * rangeFactor; + let drawEnd = (drawRange.start + drawRange.count) * rangeFactor; + if (group !== null) { + drawStart = Math.max(drawStart, group.start * rangeFactor); + drawEnd = Math.min(drawEnd, (group.start + group.count) * rangeFactor); + } + if (index !== null) { + drawStart = Math.max(drawStart, 0); + drawEnd = Math.min(drawEnd, index.count); + } else if (position !== void 0 && position !== null) { + drawStart = Math.max(drawStart, 0); + drawEnd = Math.min(drawEnd, position.count); + } + const drawCount = drawEnd - drawStart; + if (drawCount < 0 || drawCount === Infinity) + return; + bindingStates.setup(object, material, program, geometry, index); + let attribute; + let renderer = bufferRenderer; + if (index !== null) { + attribute = attributes.get(index); + renderer = indexedBufferRenderer; + renderer.setIndex(attribute); + } + if (object.isMesh) { + if (material.wireframe === true) { + state.setLineWidth(material.wireframeLinewidth * getTargetPixelRatio()); + renderer.setMode(_gl.LINES); + } else { + renderer.setMode(_gl.TRIANGLES); + } + } else if (object.isLine) { + let lineWidth = material.linewidth; + if (lineWidth === void 0) + lineWidth = 1; + state.setLineWidth(lineWidth * getTargetPixelRatio()); + if (object.isLineSegments) { + renderer.setMode(_gl.LINES); + } else if (object.isLineLoop) { + renderer.setMode(_gl.LINE_LOOP); + } else { + renderer.setMode(_gl.LINE_STRIP); + } + } else if (object.isPoints) { + renderer.setMode(_gl.POINTS); + } else if (object.isSprite) { + renderer.setMode(_gl.TRIANGLES); + } + if (object.isBatchedMesh) { + renderer.renderMultiDraw(object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount); + } else if (object.isInstancedMesh) { + renderer.renderInstances(drawStart, drawCount, object.count); + } else if (geometry.isInstancedBufferGeometry) { + const maxInstanceCount = geometry._maxInstanceCount !== void 0 ? geometry._maxInstanceCount : Infinity; + const instanceCount = Math.min(geometry.instanceCount, maxInstanceCount); + renderer.renderInstances(drawStart, drawCount, instanceCount); + } else { + renderer.render(drawStart, drawCount); + } + }; + function prepareMaterial(material, scene, object) { + if (material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false) { + material.side = BackSide; + material.needsUpdate = true; + getProgram(material, scene, object); + material.side = FrontSide; + material.needsUpdate = true; + getProgram(material, scene, object); + material.side = DoubleSide; + } else { + getProgram(material, scene, object); + } + } + this.compile = function(scene, camera, targetScene = null) { + if (targetScene === null) + targetScene = scene; + currentRenderState = renderStates.get(targetScene); + currentRenderState.init(); + renderStateStack.push(currentRenderState); + targetScene.traverseVisible(function(object) { + if (object.isLight && object.layers.test(camera.layers)) { + currentRenderState.pushLight(object); + if (object.castShadow) { + currentRenderState.pushShadow(object); + } + } + }); + if (scene !== targetScene) { + scene.traverseVisible(function(object) { + if (object.isLight && object.layers.test(camera.layers)) { + currentRenderState.pushLight(object); + if (object.castShadow) { + currentRenderState.pushShadow(object); + } + } + }); + } + currentRenderState.setupLights(_this._useLegacyLights); + const materials2 = /* @__PURE__ */ new Set(); + scene.traverse(function(object) { + const material = object.material; + if (material) { + if (Array.isArray(material)) { + for (let i = 0; i < material.length; i++) { + const material2 = material[i]; + prepareMaterial(material2, targetScene, object); + materials2.add(material2); + } + } else { + prepareMaterial(material, targetScene, object); + materials2.add(material); + } + } + }); + renderStateStack.pop(); + currentRenderState = null; + return materials2; + }; + this.compileAsync = function(scene, camera, targetScene = null) { + const materials2 = this.compile(scene, camera, targetScene); + return new Promise((resolve) => { + function checkMaterialsReady() { + materials2.forEach(function(material) { + const materialProperties = properties.get(material); + const program = materialProperties.currentProgram; + if (program.isReady()) { + materials2.delete(material); + } + }); + if (materials2.size === 0) { + resolve(scene); + return; + } + setTimeout(checkMaterialsReady, 10); + } + if (extensions.get("KHR_parallel_shader_compile") !== null) { + checkMaterialsReady(); + } else { + setTimeout(checkMaterialsReady, 10); + } + }); + }; + let onAnimationFrameCallback = null; + function onAnimationFrame(time) { + if (onAnimationFrameCallback) + onAnimationFrameCallback(time); + } + function onXRSessionStart() { + animation.stop(); + } + function onXRSessionEnd() { + animation.start(); + } + const animation = new WebGLAnimation(); + animation.setAnimationLoop(onAnimationFrame); + if (typeof self !== "undefined") + animation.setContext(self); + this.setAnimationLoop = function(callback) { + onAnimationFrameCallback = callback; + xr.setAnimationLoop(callback); + callback === null ? animation.stop() : animation.start(); + }; + xr.addEventListener("sessionstart", onXRSessionStart); + xr.addEventListener("sessionend", onXRSessionEnd); + this.render = function(scene, camera) { + if (camera !== void 0 && camera.isCamera !== true) { + console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera."); + return; + } + if (_isContextLost === true) + return; + if (scene.matrixWorldAutoUpdate === true) + scene.updateMatrixWorld(); + if (camera.parent === null && camera.matrixWorldAutoUpdate === true) + camera.updateMatrixWorld(); + if (xr.enabled === true && xr.isPresenting === true) { + if (xr.cameraAutoUpdate === true) + xr.updateCamera(camera); + camera = xr.getCamera(); + } + if (scene.isScene === true) + scene.onBeforeRender(_this, scene, camera, _currentRenderTarget); + currentRenderState = renderStates.get(scene, renderStateStack.length); + currentRenderState.init(); + renderStateStack.push(currentRenderState); + _projScreenMatrix2.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse); + _frustum2.setFromProjectionMatrix(_projScreenMatrix2); + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = clipping.init(this.clippingPlanes, _localClippingEnabled); + currentRenderList = renderLists.get(scene, renderListStack.length); + currentRenderList.init(); + renderListStack.push(currentRenderList); + projectObject(scene, camera, 0, _this.sortObjects); + currentRenderList.finish(); + if (_this.sortObjects === true) { + currentRenderList.sort(_opaqueSort, _transparentSort); + } + this.info.render.frame++; + if (_clippingEnabled === true) + clipping.beginShadows(); + const shadowsArray = currentRenderState.state.shadowsArray; + shadowMap.render(shadowsArray, scene, camera); + if (_clippingEnabled === true) + clipping.endShadows(); + if (this.info.autoReset === true) + this.info.reset(); + background.render(currentRenderList, scene); + currentRenderState.setupLights(_this._useLegacyLights); + if (camera.isArrayCamera) { + const cameras = camera.cameras; + for (let i = 0, l = cameras.length; i < l; i++) { + const camera2 = cameras[i]; + renderScene(currentRenderList, scene, camera2, camera2.viewport); + } + } else { + renderScene(currentRenderList, scene, camera); + } + if (_currentRenderTarget !== null) { + textures.updateMultisampleRenderTarget(_currentRenderTarget); + textures.updateRenderTargetMipmap(_currentRenderTarget); + } + if (scene.isScene === true) + scene.onAfterRender(_this, scene, camera); + bindingStates.resetDefaultState(); + _currentMaterialId = -1; + _currentCamera = null; + renderStateStack.pop(); + if (renderStateStack.length > 0) { + currentRenderState = renderStateStack[renderStateStack.length - 1]; + } else { + currentRenderState = null; + } + renderListStack.pop(); + if (renderListStack.length > 0) { + currentRenderList = renderListStack[renderListStack.length - 1]; + } else { + currentRenderList = null; + } + }; + function projectObject(object, camera, groupOrder, sortObjects) { + if (object.visible === false) + return; + const visible = object.layers.test(camera.layers); + if (visible) { + if (object.isGroup) { + groupOrder = object.renderOrder; + } else if (object.isLOD) { + if (object.autoUpdate === true) + object.update(camera); + } else if (object.isLight) { + currentRenderState.pushLight(object); + if (object.castShadow) { + currentRenderState.pushShadow(object); + } + } else if (object.isSprite) { + if (!object.frustumCulled || _frustum2.intersectsSprite(object)) { + if (sortObjects) { + _vector32.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix2); + } + const geometry = objects.update(object); + const material = object.material; + if (material.visible) { + currentRenderList.push(object, geometry, material, groupOrder, _vector32.z, null); + } + } + } else if (object.isMesh || object.isLine || object.isPoints) { + if (!object.frustumCulled || _frustum2.intersectsObject(object)) { + const geometry = objects.update(object); + const material = object.material; + if (sortObjects) { + if (object.boundingSphere !== void 0) { + if (object.boundingSphere === null) + object.computeBoundingSphere(); + _vector32.copy(object.boundingSphere.center); + } else { + if (geometry.boundingSphere === null) + geometry.computeBoundingSphere(); + _vector32.copy(geometry.boundingSphere.center); + } + _vector32.applyMatrix4(object.matrixWorld).applyMatrix4(_projScreenMatrix2); + } + if (Array.isArray(material)) { + const groups = geometry.groups; + for (let i = 0, l = groups.length; i < l; i++) { + const group = groups[i]; + const groupMaterial = material[group.materialIndex]; + if (groupMaterial && groupMaterial.visible) { + currentRenderList.push(object, geometry, groupMaterial, groupOrder, _vector32.z, group); + } + } + } else if (material.visible) { + currentRenderList.push(object, geometry, material, groupOrder, _vector32.z, null); + } + } + } + } + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + projectObject(children[i], camera, groupOrder, sortObjects); + } + } + function renderScene(currentRenderList2, scene, camera, viewport) { + const opaqueObjects = currentRenderList2.opaque; + const transmissiveObjects = currentRenderList2.transmissive; + const transparentObjects = currentRenderList2.transparent; + currentRenderState.setupLightsView(camera); + if (_clippingEnabled === true) + clipping.setGlobalState(_this.clippingPlanes, camera); + if (transmissiveObjects.length > 0) + renderTransmissionPass(opaqueObjects, transmissiveObjects, scene, camera); + if (viewport) + state.viewport(_currentViewport.copy(viewport)); + if (opaqueObjects.length > 0) + renderObjects(opaqueObjects, scene, camera); + if (transmissiveObjects.length > 0) + renderObjects(transmissiveObjects, scene, camera); + if (transparentObjects.length > 0) + renderObjects(transparentObjects, scene, camera); + state.buffers.depth.setTest(true); + state.buffers.depth.setMask(true); + state.buffers.color.setMask(true); + state.setPolygonOffset(false); + } + function renderTransmissionPass(opaqueObjects, transmissiveObjects, scene, camera) { + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + if (overrideMaterial !== null) { + return; + } + const isWebGL2 = capabilities.isWebGL2; + if (_transmissionRenderTarget === null) { + _transmissionRenderTarget = new WebGLRenderTarget(1, 1, { + generateMipmaps: true, + type: extensions.has("EXT_color_buffer_half_float") ? HalfFloatType : UnsignedByteType, + minFilter: LinearMipmapLinearFilter, + samples: isWebGL2 ? 4 : 0 + }); + } + _this.getDrawingBufferSize(_vector22); + if (isWebGL2) { + _transmissionRenderTarget.setSize(_vector22.x, _vector22.y); + } else { + _transmissionRenderTarget.setSize(floorPowerOfTwo(_vector22.x), floorPowerOfTwo(_vector22.y)); + } + const currentRenderTarget = _this.getRenderTarget(); + _this.setRenderTarget(_transmissionRenderTarget); + _this.getClearColor(_currentClearColor); + _currentClearAlpha = _this.getClearAlpha(); + if (_currentClearAlpha < 1) + _this.setClearColor(16777215, 0.5); + _this.clear(); + const currentToneMapping = _this.toneMapping; + _this.toneMapping = NoToneMapping; + renderObjects(opaqueObjects, scene, camera); + textures.updateMultisampleRenderTarget(_transmissionRenderTarget); + textures.updateRenderTargetMipmap(_transmissionRenderTarget); + let renderTargetNeedsUpdate = false; + for (let i = 0, l = transmissiveObjects.length; i < l; i++) { + const renderItem = transmissiveObjects[i]; + const object = renderItem.object; + const geometry = renderItem.geometry; + const material = renderItem.material; + const group = renderItem.group; + if (material.side === DoubleSide && object.layers.test(camera.layers)) { + const currentSide = material.side; + material.side = BackSide; + material.needsUpdate = true; + renderObject(object, scene, camera, geometry, material, group); + material.side = currentSide; + material.needsUpdate = true; + renderTargetNeedsUpdate = true; + } + } + if (renderTargetNeedsUpdate === true) { + textures.updateMultisampleRenderTarget(_transmissionRenderTarget); + textures.updateRenderTargetMipmap(_transmissionRenderTarget); + } + _this.setRenderTarget(currentRenderTarget); + _this.setClearColor(_currentClearColor, _currentClearAlpha); + _this.toneMapping = currentToneMapping; + } + function renderObjects(renderList, scene, camera) { + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + for (let i = 0, l = renderList.length; i < l; i++) { + const renderItem = renderList[i]; + const object = renderItem.object; + const geometry = renderItem.geometry; + const material = overrideMaterial === null ? renderItem.material : overrideMaterial; + const group = renderItem.group; + if (object.layers.test(camera.layers)) { + renderObject(object, scene, camera, geometry, material, group); + } + } + } + function renderObject(object, scene, camera, geometry, material, group) { + object.onBeforeRender(_this, scene, camera, geometry, material, group); + object.modelViewMatrix.multiplyMatrices(camera.matrixWorldInverse, object.matrixWorld); + object.normalMatrix.getNormalMatrix(object.modelViewMatrix); + material.onBeforeRender(_this, scene, camera, geometry, object, group); + if (material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false) { + material.side = BackSide; + material.needsUpdate = true; + _this.renderBufferDirect(camera, scene, geometry, material, object, group); + material.side = FrontSide; + material.needsUpdate = true; + _this.renderBufferDirect(camera, scene, geometry, material, object, group); + material.side = DoubleSide; + } else { + _this.renderBufferDirect(camera, scene, geometry, material, object, group); + } + object.onAfterRender(_this, scene, camera, geometry, material, group); + } + function getProgram(material, scene, object) { + if (scene.isScene !== true) + scene = _emptyScene; + const materialProperties = properties.get(material); + const lights = currentRenderState.state.lights; + const shadowsArray = currentRenderState.state.shadowsArray; + const lightsStateVersion = lights.state.version; + const parameters2 = programCache.getParameters(material, lights.state, shadowsArray, scene, object); + const programCacheKey = programCache.getProgramCacheKey(parameters2); + let programs = materialProperties.programs; + materialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null; + materialProperties.fog = scene.fog; + materialProperties.envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || materialProperties.environment); + if (programs === void 0) { + material.addEventListener("dispose", onMaterialDispose); + programs = /* @__PURE__ */ new Map(); + materialProperties.programs = programs; + } + let program = programs.get(programCacheKey); + if (program !== void 0) { + if (materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion) { + updateCommonMaterialProperties(material, parameters2); + return program; + } + } else { + parameters2.uniforms = programCache.getUniforms(material); + material.onBuild(object, parameters2, _this); + material.onBeforeCompile(parameters2, _this); + program = programCache.acquireProgram(parameters2, programCacheKey); + programs.set(programCacheKey, program); + materialProperties.uniforms = parameters2.uniforms; + } + const uniforms = materialProperties.uniforms; + if (!material.isShaderMaterial && !material.isRawShaderMaterial || material.clipping === true) { + uniforms.clippingPlanes = clipping.uniform; + } + updateCommonMaterialProperties(material, parameters2); + materialProperties.needsLights = materialNeedsLights(material); + materialProperties.lightsStateVersion = lightsStateVersion; + if (materialProperties.needsLights) { + uniforms.ambientLightColor.value = lights.state.ambient; + uniforms.lightProbe.value = lights.state.probe; + uniforms.directionalLights.value = lights.state.directional; + uniforms.directionalLightShadows.value = lights.state.directionalShadow; + uniforms.spotLights.value = lights.state.spot; + uniforms.spotLightShadows.value = lights.state.spotShadow; + uniforms.rectAreaLights.value = lights.state.rectArea; + uniforms.ltc_1.value = lights.state.rectAreaLTC1; + uniforms.ltc_2.value = lights.state.rectAreaLTC2; + uniforms.pointLights.value = lights.state.point; + uniforms.pointLightShadows.value = lights.state.pointShadow; + uniforms.hemisphereLights.value = lights.state.hemi; + uniforms.directionalShadowMap.value = lights.state.directionalShadowMap; + uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix; + uniforms.spotShadowMap.value = lights.state.spotShadowMap; + uniforms.spotLightMatrix.value = lights.state.spotLightMatrix; + uniforms.spotLightMap.value = lights.state.spotLightMap; + uniforms.pointShadowMap.value = lights.state.pointShadowMap; + uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix; + } + materialProperties.currentProgram = program; + materialProperties.uniformsList = null; + return program; + } + function getUniformList(materialProperties) { + if (materialProperties.uniformsList === null) { + const progUniforms = materialProperties.currentProgram.getUniforms(); + materialProperties.uniformsList = WebGLUniforms.seqWithValue(progUniforms.seq, materialProperties.uniforms); + } + return materialProperties.uniformsList; + } + function updateCommonMaterialProperties(material, parameters2) { + const materialProperties = properties.get(material); + materialProperties.outputColorSpace = parameters2.outputColorSpace; + materialProperties.batching = parameters2.batching; + materialProperties.instancing = parameters2.instancing; + materialProperties.instancingColor = parameters2.instancingColor; + materialProperties.skinning = parameters2.skinning; + materialProperties.morphTargets = parameters2.morphTargets; + materialProperties.morphNormals = parameters2.morphNormals; + materialProperties.morphColors = parameters2.morphColors; + materialProperties.morphTargetsCount = parameters2.morphTargetsCount; + materialProperties.numClippingPlanes = parameters2.numClippingPlanes; + materialProperties.numIntersection = parameters2.numClipIntersection; + materialProperties.vertexAlphas = parameters2.vertexAlphas; + materialProperties.vertexTangents = parameters2.vertexTangents; + materialProperties.toneMapping = parameters2.toneMapping; + } + function setProgram(camera, scene, geometry, material, object) { + if (scene.isScene !== true) + scene = _emptyScene; + textures.resetTextureUnits(); + const fog = scene.fog; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const colorSpace = _currentRenderTarget === null ? _this.outputColorSpace : _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace; + const envMap = (material.isMeshStandardMaterial ? cubeuvmaps : cubemaps).get(material.envMap || environment); + const vertexAlphas = material.vertexColors === true && !!geometry.attributes.color && geometry.attributes.color.itemSize === 4; + const vertexTangents = !!geometry.attributes.tangent && (!!material.normalMap || material.anisotropy > 0); + const morphTargets = !!geometry.morphAttributes.position; + const morphNormals = !!geometry.morphAttributes.normal; + const morphColors = !!geometry.morphAttributes.color; + let toneMapping = NoToneMapping; + if (material.toneMapped) { + if (_currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true) { + toneMapping = _this.toneMapping; + } + } + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = morphAttribute !== void 0 ? morphAttribute.length : 0; + const materialProperties = properties.get(material); + const lights = currentRenderState.state.lights; + if (_clippingEnabled === true) { + if (_localClippingEnabled === true || camera !== _currentCamera) { + const useCache = camera === _currentCamera && material.id === _currentMaterialId; + clipping.setState(material, camera, useCache); + } + } + let needsProgramChange = false; + if (material.version === materialProperties.__version) { + if (materialProperties.needsLights && materialProperties.lightsStateVersion !== lights.state.version) { + needsProgramChange = true; + } else if (materialProperties.outputColorSpace !== colorSpace) { + needsProgramChange = true; + } else if (object.isBatchedMesh && materialProperties.batching === false) { + needsProgramChange = true; + } else if (!object.isBatchedMesh && materialProperties.batching === true) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancing === false) { + needsProgramChange = true; + } else if (!object.isInstancedMesh && materialProperties.instancing === true) { + needsProgramChange = true; + } else if (object.isSkinnedMesh && materialProperties.skinning === false) { + needsProgramChange = true; + } else if (!object.isSkinnedMesh && materialProperties.skinning === true) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null) { + needsProgramChange = true; + } else if (object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null) { + needsProgramChange = true; + } else if (materialProperties.envMap !== envMap) { + needsProgramChange = true; + } else if (material.fog === true && materialProperties.fog !== fog) { + needsProgramChange = true; + } else if (materialProperties.numClippingPlanes !== void 0 && (materialProperties.numClippingPlanes !== clipping.numPlanes || materialProperties.numIntersection !== clipping.numIntersection)) { + needsProgramChange = true; + } else if (materialProperties.vertexAlphas !== vertexAlphas) { + needsProgramChange = true; + } else if (materialProperties.vertexTangents !== vertexTangents) { + needsProgramChange = true; + } else if (materialProperties.morphTargets !== morphTargets) { + needsProgramChange = true; + } else if (materialProperties.morphNormals !== morphNormals) { + needsProgramChange = true; + } else if (materialProperties.morphColors !== morphColors) { + needsProgramChange = true; + } else if (materialProperties.toneMapping !== toneMapping) { + needsProgramChange = true; + } else if (capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount) { + needsProgramChange = true; + } + } else { + needsProgramChange = true; + materialProperties.__version = material.version; + } + let program = materialProperties.currentProgram; + if (needsProgramChange === true) { + program = getProgram(material, scene, object); + } + let refreshProgram = false; + let refreshMaterial = false; + let refreshLights = false; + const p_uniforms = program.getUniforms(), m_uniforms = materialProperties.uniforms; + if (state.useProgram(program.program)) { + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + } + if (material.id !== _currentMaterialId) { + _currentMaterialId = material.id; + refreshMaterial = true; + } + if (refreshProgram || _currentCamera !== camera) { + p_uniforms.setValue(_gl, "projectionMatrix", camera.projectionMatrix); + p_uniforms.setValue(_gl, "viewMatrix", camera.matrixWorldInverse); + const uCamPos = p_uniforms.map.cameraPosition; + if (uCamPos !== void 0) { + uCamPos.setValue(_gl, _vector32.setFromMatrixPosition(camera.matrixWorld)); + } + if (capabilities.logarithmicDepthBuffer) { + p_uniforms.setValue( + _gl, + "logDepthBufFC", + 2 / (Math.log(camera.far + 1) / Math.LN2) + ); + } + if (material.isMeshPhongMaterial || material.isMeshToonMaterial || material.isMeshLambertMaterial || material.isMeshBasicMaterial || material.isMeshStandardMaterial || material.isShaderMaterial) { + p_uniforms.setValue(_gl, "isOrthographic", camera.isOrthographicCamera === true); + } + if (_currentCamera !== camera) { + _currentCamera = camera; + refreshMaterial = true; + refreshLights = true; + } + } + if (object.isSkinnedMesh) { + p_uniforms.setOptional(_gl, object, "bindMatrix"); + p_uniforms.setOptional(_gl, object, "bindMatrixInverse"); + const skeleton = object.skeleton; + if (skeleton) { + if (capabilities.floatVertexTextures) { + if (skeleton.boneTexture === null) + skeleton.computeBoneTexture(); + p_uniforms.setValue(_gl, "boneTexture", skeleton.boneTexture, textures); + } else { + console.warn("THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required."); + } + } + } + if (object.isBatchedMesh) { + p_uniforms.setOptional(_gl, object, "batchingTexture"); + p_uniforms.setValue(_gl, "batchingTexture", object._matricesTexture, textures); + } + const morphAttributes = geometry.morphAttributes; + if (morphAttributes.position !== void 0 || morphAttributes.normal !== void 0 || morphAttributes.color !== void 0 && capabilities.isWebGL2 === true) { + morphtargets.update(object, geometry, program); + } + if (refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow) { + materialProperties.receiveShadow = object.receiveShadow; + p_uniforms.setValue(_gl, "receiveShadow", object.receiveShadow); + } + if (material.isMeshGouraudMaterial && material.envMap !== null) { + m_uniforms.envMap.value = envMap; + m_uniforms.flipEnvMap.value = envMap.isCubeTexture && envMap.isRenderTargetTexture === false ? -1 : 1; + } + if (refreshMaterial) { + p_uniforms.setValue(_gl, "toneMappingExposure", _this.toneMappingExposure); + if (materialProperties.needsLights) { + markUniformsLightsNeedsUpdate(m_uniforms, refreshLights); + } + if (fog && material.fog === true) { + materials.refreshFogUniforms(m_uniforms, fog); + } + materials.refreshMaterialUniforms(m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget); + WebGLUniforms.upload(_gl, getUniformList(materialProperties), m_uniforms, textures); + } + if (material.isShaderMaterial && material.uniformsNeedUpdate === true) { + WebGLUniforms.upload(_gl, getUniformList(materialProperties), m_uniforms, textures); + material.uniformsNeedUpdate = false; + } + if (material.isSpriteMaterial) { + p_uniforms.setValue(_gl, "center", object.center); + } + p_uniforms.setValue(_gl, "modelViewMatrix", object.modelViewMatrix); + p_uniforms.setValue(_gl, "normalMatrix", object.normalMatrix); + p_uniforms.setValue(_gl, "modelMatrix", object.matrixWorld); + if (material.isShaderMaterial || material.isRawShaderMaterial) { + const groups = material.uniformsGroups; + for (let i = 0, l = groups.length; i < l; i++) { + if (capabilities.isWebGL2) { + const group = groups[i]; + uniformsGroups.update(group, program); + uniformsGroups.bind(group, program); + } else { + console.warn("THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2."); + } + } + } + return program; + } + function markUniformsLightsNeedsUpdate(uniforms, value) { + uniforms.ambientLightColor.needsUpdate = value; + uniforms.lightProbe.needsUpdate = value; + uniforms.directionalLights.needsUpdate = value; + uniforms.directionalLightShadows.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.pointLightShadows.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.spotLightShadows.needsUpdate = value; + uniforms.rectAreaLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + } + function materialNeedsLights(material) { + return material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial || material.isMeshStandardMaterial || material.isShadowMaterial || material.isShaderMaterial && material.lights === true; + } + this.getActiveCubeFace = function() { + return _currentActiveCubeFace; + }; + this.getActiveMipmapLevel = function() { + return _currentActiveMipmapLevel; + }; + this.getRenderTarget = function() { + return _currentRenderTarget; + }; + this.setRenderTargetTextures = function(renderTarget, colorTexture, depthTexture) { + properties.get(renderTarget.texture).__webglTexture = colorTexture; + properties.get(renderTarget.depthTexture).__webglTexture = depthTexture; + const renderTargetProperties = properties.get(renderTarget); + renderTargetProperties.__hasExternalTextures = true; + if (renderTargetProperties.__hasExternalTextures) { + renderTargetProperties.__autoAllocateDepthBuffer = depthTexture === void 0; + if (!renderTargetProperties.__autoAllocateDepthBuffer) { + if (extensions.has("WEBGL_multisampled_render_to_texture") === true) { + console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"); + renderTargetProperties.__useRenderToTexture = false; + } + } + } + }; + this.setRenderTargetFramebuffer = function(renderTarget, defaultFramebuffer) { + const renderTargetProperties = properties.get(renderTarget); + renderTargetProperties.__webglFramebuffer = defaultFramebuffer; + renderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === void 0; + }; + this.setRenderTarget = function(renderTarget, activeCubeFace = 0, activeMipmapLevel = 0) { + _currentRenderTarget = renderTarget; + _currentActiveCubeFace = activeCubeFace; + _currentActiveMipmapLevel = activeMipmapLevel; + let useDefaultFramebuffer = true; + let framebuffer = null; + let isCube = false; + let isRenderTarget3D = false; + if (renderTarget) { + const renderTargetProperties = properties.get(renderTarget); + if (renderTargetProperties.__useDefaultFramebuffer !== void 0) { + state.bindFramebuffer(_gl.FRAMEBUFFER, null); + useDefaultFramebuffer = false; + } else if (renderTargetProperties.__webglFramebuffer === void 0) { + textures.setupRenderTarget(renderTarget); + } else if (renderTargetProperties.__hasExternalTextures) { + textures.rebindTextures(renderTarget, properties.get(renderTarget.texture).__webglTexture, properties.get(renderTarget.depthTexture).__webglTexture); + } + const texture = renderTarget.texture; + if (texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture) { + isRenderTarget3D = true; + } + const __webglFramebuffer = properties.get(renderTarget).__webglFramebuffer; + if (renderTarget.isWebGLCubeRenderTarget) { + if (Array.isArray(__webglFramebuffer[activeCubeFace])) { + framebuffer = __webglFramebuffer[activeCubeFace][activeMipmapLevel]; + } else { + framebuffer = __webglFramebuffer[activeCubeFace]; + } + isCube = true; + } else if (capabilities.isWebGL2 && renderTarget.samples > 0 && textures.useMultisampledRTT(renderTarget) === false) { + framebuffer = properties.get(renderTarget).__webglMultisampledFramebuffer; + } else { + if (Array.isArray(__webglFramebuffer)) { + framebuffer = __webglFramebuffer[activeMipmapLevel]; + } else { + framebuffer = __webglFramebuffer; + } + } + _currentViewport.copy(renderTarget.viewport); + _currentScissor.copy(renderTarget.scissor); + _currentScissorTest = renderTarget.scissorTest; + } else { + _currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor(); + _currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor(); + _currentScissorTest = _scissorTest; + } + const framebufferBound = state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + if (framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer) { + state.drawBuffers(renderTarget, framebuffer); + } + state.viewport(_currentViewport); + state.scissor(_currentScissor); + state.setScissorTest(_currentScissorTest); + if (isCube) { + const textureProperties = properties.get(renderTarget.texture); + _gl.framebufferTexture2D(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel); + } else if (isRenderTarget3D) { + const textureProperties = properties.get(renderTarget.texture); + const layer = activeCubeFace || 0; + _gl.framebufferTextureLayer(_gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, textureProperties.__webglTexture, activeMipmapLevel || 0, layer); + } + _currentMaterialId = -1; + }; + this.readRenderTargetPixels = function(renderTarget, x, y, width, height, buffer, activeCubeFaceIndex) { + if (!(renderTarget && renderTarget.isWebGLRenderTarget)) { + console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget."); + return; + } + let framebuffer = properties.get(renderTarget).__webglFramebuffer; + if (renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== void 0) { + framebuffer = framebuffer[activeCubeFaceIndex]; + } + if (framebuffer) { + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer); + try { + const texture = renderTarget.texture; + const textureFormat = texture.format; + const textureType = texture.type; + if (textureFormat !== RGBAFormat && utils.convert(textureFormat) !== _gl.getParameter(_gl.IMPLEMENTATION_COLOR_READ_FORMAT)) { + console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format."); + return; + } + const halfFloatSupportedByExt = textureType === HalfFloatType && (extensions.has("EXT_color_buffer_half_float") || capabilities.isWebGL2 && extensions.has("EXT_color_buffer_float")); + if (textureType !== UnsignedByteType && utils.convert(textureType) !== _gl.getParameter(_gl.IMPLEMENTATION_COLOR_READ_TYPE) && // Edge and Chrome Mac < 52 (#9513) + !(textureType === FloatType && (capabilities.isWebGL2 || extensions.has("OES_texture_float") || extensions.has("WEBGL_color_buffer_float"))) && // Chrome Mac >= 52 and Firefox + !halfFloatSupportedByExt) { + console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type."); + return; + } + if (x >= 0 && x <= renderTarget.width - width && (y >= 0 && y <= renderTarget.height - height)) { + _gl.readPixels(x, y, width, height, utils.convert(textureFormat), utils.convert(textureType), buffer); + } + } finally { + const framebuffer2 = _currentRenderTarget !== null ? properties.get(_currentRenderTarget).__webglFramebuffer : null; + state.bindFramebuffer(_gl.FRAMEBUFFER, framebuffer2); + } + } + }; + this.copyFramebufferToTexture = function(position, texture, level = 0) { + const levelScale = Math.pow(2, -level); + const width = Math.floor(texture.image.width * levelScale); + const height = Math.floor(texture.image.height * levelScale); + textures.setTexture2D(texture, 0); + _gl.copyTexSubImage2D(_gl.TEXTURE_2D, level, 0, 0, position.x, position.y, width, height); + state.unbindTexture(); + }; + this.copyTextureToTexture = function(position, srcTexture, dstTexture, level = 0) { + const width = srcTexture.image.width; + const height = srcTexture.image.height; + const glFormat = utils.convert(dstTexture.format); + const glType = utils.convert(dstTexture.type); + textures.setTexture2D(dstTexture, 0); + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment); + if (srcTexture.isDataTexture) { + _gl.texSubImage2D(_gl.TEXTURE_2D, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data); + } else { + if (srcTexture.isCompressedTexture) { + _gl.compressedTexSubImage2D(_gl.TEXTURE_2D, level, position.x, position.y, srcTexture.mipmaps[0].width, srcTexture.mipmaps[0].height, glFormat, srcTexture.mipmaps[0].data); + } else { + _gl.texSubImage2D(_gl.TEXTURE_2D, level, position.x, position.y, glFormat, glType, srcTexture.image); + } + } + if (level === 0 && dstTexture.generateMipmaps) + _gl.generateMipmap(_gl.TEXTURE_2D); + state.unbindTexture(); + }; + this.copyTextureToTexture3D = function(sourceBox, position, srcTexture, dstTexture, level = 0) { + if (_this.isWebGL1Renderer) { + console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2."); + return; + } + const width = sourceBox.max.x - sourceBox.min.x + 1; + const height = sourceBox.max.y - sourceBox.min.y + 1; + const depth2 = sourceBox.max.z - sourceBox.min.z + 1; + const glFormat = utils.convert(dstTexture.format); + const glType = utils.convert(dstTexture.type); + let glTarget; + if (dstTexture.isData3DTexture) { + textures.setTexture3D(dstTexture, 0); + glTarget = _gl.TEXTURE_3D; + } else if (dstTexture.isDataArrayTexture) { + textures.setTexture2DArray(dstTexture, 0); + glTarget = _gl.TEXTURE_2D_ARRAY; + } else { + console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray."); + return; + } + _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY); + _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha); + _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment); + const unpackRowLen = _gl.getParameter(_gl.UNPACK_ROW_LENGTH); + const unpackImageHeight = _gl.getParameter(_gl.UNPACK_IMAGE_HEIGHT); + const unpackSkipPixels = _gl.getParameter(_gl.UNPACK_SKIP_PIXELS); + const unpackSkipRows = _gl.getParameter(_gl.UNPACK_SKIP_ROWS); + const unpackSkipImages = _gl.getParameter(_gl.UNPACK_SKIP_IMAGES); + const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[0] : srcTexture.image; + _gl.pixelStorei(_gl.UNPACK_ROW_LENGTH, image.width); + _gl.pixelStorei(_gl.UNPACK_IMAGE_HEIGHT, image.height); + _gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS, sourceBox.min.x); + _gl.pixelStorei(_gl.UNPACK_SKIP_ROWS, sourceBox.min.y); + _gl.pixelStorei(_gl.UNPACK_SKIP_IMAGES, sourceBox.min.z); + if (srcTexture.isDataTexture || srcTexture.isData3DTexture) { + _gl.texSubImage3D(glTarget, level, position.x, position.y, position.z, width, height, depth2, glFormat, glType, image.data); + } else { + if (srcTexture.isCompressedArrayTexture) { + console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."); + _gl.compressedTexSubImage3D(glTarget, level, position.x, position.y, position.z, width, height, depth2, glFormat, image.data); + } else { + _gl.texSubImage3D(glTarget, level, position.x, position.y, position.z, width, height, depth2, glFormat, glType, image); + } + } + _gl.pixelStorei(_gl.UNPACK_ROW_LENGTH, unpackRowLen); + _gl.pixelStorei(_gl.UNPACK_IMAGE_HEIGHT, unpackImageHeight); + _gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS, unpackSkipPixels); + _gl.pixelStorei(_gl.UNPACK_SKIP_ROWS, unpackSkipRows); + _gl.pixelStorei(_gl.UNPACK_SKIP_IMAGES, unpackSkipImages); + if (level === 0 && dstTexture.generateMipmaps) + _gl.generateMipmap(glTarget); + state.unbindTexture(); + }; + this.initTexture = function(texture) { + if (texture.isCubeTexture) { + textures.setTextureCube(texture, 0); + } else if (texture.isData3DTexture) { + textures.setTexture3D(texture, 0); + } else if (texture.isDataArrayTexture || texture.isCompressedArrayTexture) { + textures.setTexture2DArray(texture, 0); + } else { + textures.setTexture2D(texture, 0); + } + state.unbindTexture(); + }; + this.resetState = function() { + _currentActiveCubeFace = 0; + _currentActiveMipmapLevel = 0; + _currentRenderTarget = null; + state.reset(); + bindingStates.reset(); + }; + if (typeof __THREE_DEVTOOLS__ !== "undefined") { + __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe", { detail: this })); + } + } + get coordinateSystem() { + return WebGLCoordinateSystem; + } + get outputColorSpace() { + return this._outputColorSpace; + } + set outputColorSpace(colorSpace) { + this._outputColorSpace = colorSpace; + const gl = this.getContext(); + gl.drawingBufferColorSpace = colorSpace === DisplayP3ColorSpace ? "display-p3" : "srgb"; + gl.unpackColorSpace = ColorManagement.workingColorSpace === LinearDisplayP3ColorSpace ? "display-p3" : "srgb"; + } + get physicallyCorrectLights() { + console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."); + return !this.useLegacyLights; + } + set physicallyCorrectLights(value) { + console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."); + this.useLegacyLights = !value; + } + get outputEncoding() { + console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."); + return this.outputColorSpace === SRGBColorSpace ? sRGBEncoding : LinearEncoding; + } + set outputEncoding(encoding) { + console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."); + this.outputColorSpace = encoding === sRGBEncoding ? SRGBColorSpace : LinearSRGBColorSpace; + } + get useLegacyLights() { + console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."); + return this._useLegacyLights; + } + set useLegacyLights(value) { + console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."); + this._useLegacyLights = value; + } +} +class WebGL1Renderer extends WebGLRenderer { +} +WebGL1Renderer.prototype.isWebGL1Renderer = true; +class FogExp2 { + constructor(color, density = 25e-5) { + this.isFogExp2 = true; + this.name = ""; + this.color = new Color(color); + this.density = density; + } + clone() { + return new FogExp2(this.color, this.density); + } + toJSON() { + return { + type: "FogExp2", + name: this.name, + color: this.color.getHex(), + density: this.density + }; + } +} +class Fog { + constructor(color, near = 1, far = 1e3) { + this.isFog = true; + this.name = ""; + this.color = new Color(color); + this.near = near; + this.far = far; + } + clone() { + return new Fog(this.color, this.near, this.far); + } + toJSON() { + return { + type: "Fog", + name: this.name, + color: this.color.getHex(), + near: this.near, + far: this.far + }; + } +} +let Scene$1 = class Scene extends Object3D { + constructor() { + super(); + this.isScene = true; + this.type = "Scene"; + this.background = null; + this.environment = null; + this.fog = null; + this.backgroundBlurriness = 0; + this.backgroundIntensity = 1; + this.overrideMaterial = null; + if (typeof __THREE_DEVTOOLS__ !== "undefined") { + __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe", { detail: this })); + } + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.background !== null) + this.background = source.background.clone(); + if (source.environment !== null) + this.environment = source.environment.clone(); + if (source.fog !== null) + this.fog = source.fog.clone(); + this.backgroundBlurriness = source.backgroundBlurriness; + this.backgroundIntensity = source.backgroundIntensity; + if (source.overrideMaterial !== null) + this.overrideMaterial = source.overrideMaterial.clone(); + this.matrixAutoUpdate = source.matrixAutoUpdate; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + if (this.fog !== null) + data.object.fog = this.fog.toJSON(); + if (this.backgroundBlurriness > 0) + data.object.backgroundBlurriness = this.backgroundBlurriness; + if (this.backgroundIntensity !== 1) + data.object.backgroundIntensity = this.backgroundIntensity; + return data; + } +}; +class InterleavedBuffer { + constructor(array, stride) { + this.isInterleavedBuffer = true; + this.array = array; + this.stride = stride; + this.count = array !== void 0 ? array.length / stride : 0; + this.usage = StaticDrawUsage; + this._updateRange = { offset: 0, count: -1 }; + this.updateRanges = []; + this.version = 0; + this.uuid = generateUUID(); + } + onUploadCallback() { + } + set needsUpdate(value) { + if (value === true) + this.version++; + } + get updateRange() { + console.warn('THREE.InterleavedBuffer: "updateRange" is deprecated and removed in r169. Use "addUpdateRange()" instead.'); + return this._updateRange; + } + setUsage(value) { + this.usage = value; + return this; + } + addUpdateRange(start, count) { + this.updateRanges.push({ start, count }); + } + clearUpdateRanges() { + this.updateRanges.length = 0; + } + copy(source) { + this.array = new source.array.constructor(source.array); + this.count = source.count; + this.stride = source.stride; + this.usage = source.usage; + return this; + } + copyAt(index1, attribute, index2) { + index1 *= this.stride; + index2 *= attribute.stride; + for (let i = 0, l = this.stride; i < l; i++) { + this.array[index1 + i] = attribute.array[index2 + i]; + } + return this; + } + set(value, offset = 0) { + this.array.set(value, offset); + return this; + } + clone(data) { + if (data.arrayBuffers === void 0) { + data.arrayBuffers = {}; + } + if (this.array.buffer._uuid === void 0) { + this.array.buffer._uuid = generateUUID(); + } + if (data.arrayBuffers[this.array.buffer._uuid] === void 0) { + data.arrayBuffers[this.array.buffer._uuid] = this.array.slice(0).buffer; + } + const array = new this.array.constructor(data.arrayBuffers[this.array.buffer._uuid]); + const ib = new this.constructor(array, this.stride); + ib.setUsage(this.usage); + return ib; + } + onUpload(callback) { + this.onUploadCallback = callback; + return this; + } + toJSON(data) { + if (data.arrayBuffers === void 0) { + data.arrayBuffers = {}; + } + if (this.array.buffer._uuid === void 0) { + this.array.buffer._uuid = generateUUID(); + } + if (data.arrayBuffers[this.array.buffer._uuid] === void 0) { + data.arrayBuffers[this.array.buffer._uuid] = Array.from(new Uint32Array(this.array.buffer)); + } + return { + uuid: this.uuid, + buffer: this.array.buffer._uuid, + type: this.array.constructor.name, + stride: this.stride + }; + } +} +const _vector$6 = /* @__PURE__ */ new Vector3(); +class InterleavedBufferAttribute { + constructor(interleavedBuffer, itemSize, offset, normalized = false) { + this.isInterleavedBufferAttribute = true; + this.name = ""; + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + this.normalized = normalized; + } + get count() { + return this.data.count; + } + get array() { + return this.data.array; + } + set needsUpdate(value) { + this.data.needsUpdate = value; + } + applyMatrix4(m) { + for (let i = 0, l = this.data.count; i < l; i++) { + _vector$6.fromBufferAttribute(this, i); + _vector$6.applyMatrix4(m); + this.setXYZ(i, _vector$6.x, _vector$6.y, _vector$6.z); + } + return this; + } + applyNormalMatrix(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$6.fromBufferAttribute(this, i); + _vector$6.applyNormalMatrix(m); + this.setXYZ(i, _vector$6.x, _vector$6.y, _vector$6.z); + } + return this; + } + transformDirection(m) { + for (let i = 0, l = this.count; i < l; i++) { + _vector$6.fromBufferAttribute(this, i); + _vector$6.transformDirection(m); + this.setXYZ(i, _vector$6.x, _vector$6.y, _vector$6.z); + } + return this; + } + setX(index, x) { + if (this.normalized) + x = normalize(x, this.array); + this.data.array[index * this.data.stride + this.offset] = x; + return this; + } + setY(index, y) { + if (this.normalized) + y = normalize(y, this.array); + this.data.array[index * this.data.stride + this.offset + 1] = y; + return this; + } + setZ(index, z) { + if (this.normalized) + z = normalize(z, this.array); + this.data.array[index * this.data.stride + this.offset + 2] = z; + return this; + } + setW(index, w) { + if (this.normalized) + w = normalize(w, this.array); + this.data.array[index * this.data.stride + this.offset + 3] = w; + return this; + } + getX(index) { + let x = this.data.array[index * this.data.stride + this.offset]; + if (this.normalized) + x = denormalize(x, this.array); + return x; + } + getY(index) { + let y = this.data.array[index * this.data.stride + this.offset + 1]; + if (this.normalized) + y = denormalize(y, this.array); + return y; + } + getZ(index) { + let z = this.data.array[index * this.data.stride + this.offset + 2]; + if (this.normalized) + z = denormalize(z, this.array); + return z; + } + getW(index) { + let w = this.data.array[index * this.data.stride + this.offset + 3]; + if (this.normalized) + w = denormalize(w, this.array); + return w; + } + setXY(index, x, y) { + index = index * this.data.stride + this.offset; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + } + this.data.array[index + 0] = x; + this.data.array[index + 1] = y; + return this; + } + setXYZ(index, x, y, z) { + index = index * this.data.stride + this.offset; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + } + this.data.array[index + 0] = x; + this.data.array[index + 1] = y; + this.data.array[index + 2] = z; + return this; + } + setXYZW(index, x, y, z, w) { + index = index * this.data.stride + this.offset; + if (this.normalized) { + x = normalize(x, this.array); + y = normalize(y, this.array); + z = normalize(z, this.array); + w = normalize(w, this.array); + } + this.data.array[index + 0] = x; + this.data.array[index + 1] = y; + this.data.array[index + 2] = z; + this.data.array[index + 3] = w; + return this; + } + clone(data) { + if (data === void 0) { + console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data."); + const array = []; + for (let i = 0; i < this.count; i++) { + const index = i * this.data.stride + this.offset; + for (let j = 0; j < this.itemSize; j++) { + array.push(this.data.array[index + j]); + } + } + return new BufferAttribute(new this.array.constructor(array), this.itemSize, this.normalized); + } else { + if (data.interleavedBuffers === void 0) { + data.interleavedBuffers = {}; + } + if (data.interleavedBuffers[this.data.uuid] === void 0) { + data.interleavedBuffers[this.data.uuid] = this.data.clone(data); + } + return new InterleavedBufferAttribute(data.interleavedBuffers[this.data.uuid], this.itemSize, this.offset, this.normalized); + } + } + toJSON(data) { + if (data === void 0) { + console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data."); + const array = []; + for (let i = 0; i < this.count; i++) { + const index = i * this.data.stride + this.offset; + for (let j = 0; j < this.itemSize; j++) { + array.push(this.data.array[index + j]); + } + } + return { + itemSize: this.itemSize, + type: this.array.constructor.name, + array, + normalized: this.normalized + }; + } else { + if (data.interleavedBuffers === void 0) { + data.interleavedBuffers = {}; + } + if (data.interleavedBuffers[this.data.uuid] === void 0) { + data.interleavedBuffers[this.data.uuid] = this.data.toJSON(data); + } + return { + isInterleavedBufferAttribute: true, + itemSize: this.itemSize, + data: this.data.uuid, + offset: this.offset, + normalized: this.normalized + }; + } + } +} +class SpriteMaterial extends Material { + constructor(parameters) { + super(); + this.isSpriteMaterial = true; + this.type = "SpriteMaterial"; + this.color = new Color(16777215); + this.map = null; + this.alphaMap = null; + this.rotation = 0; + this.sizeAttenuation = true; + this.transparent = true; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.rotation = source.rotation; + this.sizeAttenuation = source.sizeAttenuation; + this.fog = source.fog; + return this; + } +} +let _geometry; +const _intersectPoint = /* @__PURE__ */ new Vector3(); +const _worldScale = /* @__PURE__ */ new Vector3(); +const _mvPosition = /* @__PURE__ */ new Vector3(); +const _alignedPosition = /* @__PURE__ */ new Vector2(); +const _rotatedPosition = /* @__PURE__ */ new Vector2(); +const _viewWorldMatrix = /* @__PURE__ */ new Matrix4(); +const _vA = /* @__PURE__ */ new Vector3(); +const _vB = /* @__PURE__ */ new Vector3(); +const _vC = /* @__PURE__ */ new Vector3(); +const _uvA = /* @__PURE__ */ new Vector2(); +const _uvB = /* @__PURE__ */ new Vector2(); +const _uvC = /* @__PURE__ */ new Vector2(); +class Sprite extends Object3D { + constructor(material = new SpriteMaterial()) { + super(); + this.isSprite = true; + this.type = "Sprite"; + if (_geometry === void 0) { + _geometry = new BufferGeometry(); + const float32Array = new Float32Array([ + -0.5, + -0.5, + 0, + 0, + 0, + 0.5, + -0.5, + 0, + 1, + 0, + 0.5, + 0.5, + 0, + 1, + 1, + -0.5, + 0.5, + 0, + 0, + 1 + ]); + const interleavedBuffer = new InterleavedBuffer(float32Array, 5); + _geometry.setIndex([0, 1, 2, 0, 2, 3]); + _geometry.setAttribute("position", new InterleavedBufferAttribute(interleavedBuffer, 3, 0, false)); + _geometry.setAttribute("uv", new InterleavedBufferAttribute(interleavedBuffer, 2, 3, false)); + } + this.geometry = _geometry; + this.material = material; + this.center = new Vector2(0.5, 0.5); + } + raycast(raycaster, intersects2) { + if (raycaster.camera === null) { + console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'); + } + _worldScale.setFromMatrixScale(this.matrixWorld); + _viewWorldMatrix.copy(raycaster.camera.matrixWorld); + this.modelViewMatrix.multiplyMatrices(raycaster.camera.matrixWorldInverse, this.matrixWorld); + _mvPosition.setFromMatrixPosition(this.modelViewMatrix); + if (raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false) { + _worldScale.multiplyScalar(-_mvPosition.z); + } + const rotation = this.material.rotation; + let sin, cos; + if (rotation !== 0) { + cos = Math.cos(rotation); + sin = Math.sin(rotation); + } + const center = this.center; + transformVertex(_vA.set(-0.5, -0.5, 0), _mvPosition, center, _worldScale, sin, cos); + transformVertex(_vB.set(0.5, -0.5, 0), _mvPosition, center, _worldScale, sin, cos); + transformVertex(_vC.set(0.5, 0.5, 0), _mvPosition, center, _worldScale, sin, cos); + _uvA.set(0, 0); + _uvB.set(1, 0); + _uvC.set(1, 1); + let intersect = raycaster.ray.intersectTriangle(_vA, _vB, _vC, false, _intersectPoint); + if (intersect === null) { + transformVertex(_vB.set(-0.5, 0.5, 0), _mvPosition, center, _worldScale, sin, cos); + _uvB.set(0, 1); + intersect = raycaster.ray.intersectTriangle(_vA, _vC, _vB, false, _intersectPoint); + if (intersect === null) { + return; + } + } + const distance = raycaster.ray.origin.distanceTo(_intersectPoint); + if (distance < raycaster.near || distance > raycaster.far) + return; + intersects2.push({ + distance, + point: _intersectPoint.clone(), + uv: Triangle.getInterpolation(_intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2()), + face: null, + object: this + }); + } + copy(source, recursive) { + super.copy(source, recursive); + if (source.center !== void 0) + this.center.copy(source.center); + this.material = source.material; + return this; + } +} +function transformVertex(vertexPosition, mvPosition, center, scale, sin, cos) { + _alignedPosition.subVectors(vertexPosition, center).addScalar(0.5).multiply(scale); + if (sin !== void 0) { + _rotatedPosition.x = cos * _alignedPosition.x - sin * _alignedPosition.y; + _rotatedPosition.y = sin * _alignedPosition.x + cos * _alignedPosition.y; + } else { + _rotatedPosition.copy(_alignedPosition); + } + vertexPosition.copy(mvPosition); + vertexPosition.x += _rotatedPosition.x; + vertexPosition.y += _rotatedPosition.y; + vertexPosition.applyMatrix4(_viewWorldMatrix); +} +const _v1$2 = /* @__PURE__ */ new Vector3(); +const _v2$1 = /* @__PURE__ */ new Vector3(); +class LOD extends Object3D { + constructor() { + super(); + this._currentLevel = 0; + this.type = "LOD"; + Object.defineProperties(this, { + levels: { + enumerable: true, + value: [] + }, + isLOD: { + value: true + } + }); + this.autoUpdate = true; + } + copy(source) { + super.copy(source, false); + const levels = source.levels; + for (let i = 0, l = levels.length; i < l; i++) { + const level = levels[i]; + this.addLevel(level.object.clone(), level.distance, level.hysteresis); + } + this.autoUpdate = source.autoUpdate; + return this; + } + addLevel(object, distance = 0, hysteresis = 0) { + distance = Math.abs(distance); + const levels = this.levels; + let l; + for (l = 0; l < levels.length; l++) { + if (distance < levels[l].distance) { + break; + } + } + levels.splice(l, 0, { distance, hysteresis, object }); + this.add(object); + return this; + } + getCurrentLevel() { + return this._currentLevel; + } + getObjectForDistance(distance) { + const levels = this.levels; + if (levels.length > 0) { + let i, l; + for (i = 1, l = levels.length; i < l; i++) { + let levelDistance = levels[i].distance; + if (levels[i].object.visible) { + levelDistance -= levelDistance * levels[i].hysteresis; + } + if (distance < levelDistance) { + break; + } + } + return levels[i - 1].object; + } + return null; + } + raycast(raycaster, intersects2) { + const levels = this.levels; + if (levels.length > 0) { + _v1$2.setFromMatrixPosition(this.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(_v1$2); + this.getObjectForDistance(distance).raycast(raycaster, intersects2); + } + } + update(camera) { + const levels = this.levels; + if (levels.length > 1) { + _v1$2.setFromMatrixPosition(camera.matrixWorld); + _v2$1.setFromMatrixPosition(this.matrixWorld); + const distance = _v1$2.distanceTo(_v2$1) / camera.zoom; + levels[0].object.visible = true; + let i, l; + for (i = 1, l = levels.length; i < l; i++) { + let levelDistance = levels[i].distance; + if (levels[i].object.visible) { + levelDistance -= levelDistance * levels[i].hysteresis; + } + if (distance >= levelDistance) { + levels[i - 1].object.visible = false; + levels[i].object.visible = true; + } else { + break; + } + } + this._currentLevel = i - 1; + for (; i < l; i++) { + levels[i].object.visible = false; + } + } + } + toJSON(meta) { + const data = super.toJSON(meta); + if (this.autoUpdate === false) + data.object.autoUpdate = false; + data.object.levels = []; + const levels = this.levels; + for (let i = 0, l = levels.length; i < l; i++) { + const level = levels[i]; + data.object.levels.push({ + object: level.object.uuid, + distance: level.distance, + hysteresis: level.hysteresis + }); + } + return data; + } +} +const _basePosition = /* @__PURE__ */ new Vector3(); +const _skinIndex = /* @__PURE__ */ new Vector4(); +const _skinWeight = /* @__PURE__ */ new Vector4(); +const _vector3 = /* @__PURE__ */ new Vector3(); +const _matrix4 = /* @__PURE__ */ new Matrix4(); +const _vertex = /* @__PURE__ */ new Vector3(); +const _sphere$4 = /* @__PURE__ */ new Sphere(); +const _inverseMatrix$2 = /* @__PURE__ */ new Matrix4(); +const _ray$2 = /* @__PURE__ */ new Ray(); +class SkinnedMesh extends Mesh { + constructor(geometry, material) { + super(geometry, material); + this.isSkinnedMesh = true; + this.type = "SkinnedMesh"; + this.bindMode = AttachedBindMode; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + this.boundingBox = null; + this.boundingSphere = null; + } + computeBoundingBox() { + const geometry = this.geometry; + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + this.boundingBox.makeEmpty(); + const positionAttribute = geometry.getAttribute("position"); + for (let i = 0; i < positionAttribute.count; i++) { + this.getVertexPosition(i, _vertex); + this.boundingBox.expandByPoint(_vertex); + } + } + computeBoundingSphere() { + const geometry = this.geometry; + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + this.boundingSphere.makeEmpty(); + const positionAttribute = geometry.getAttribute("position"); + for (let i = 0; i < positionAttribute.count; i++) { + this.getVertexPosition(i, _vertex); + this.boundingSphere.expandByPoint(_vertex); + } + } + copy(source, recursive) { + super.copy(source, recursive); + this.bindMode = source.bindMode; + this.bindMatrix.copy(source.bindMatrix); + this.bindMatrixInverse.copy(source.bindMatrixInverse); + this.skeleton = source.skeleton; + if (source.boundingBox !== null) + this.boundingBox = source.boundingBox.clone(); + if (source.boundingSphere !== null) + this.boundingSphere = source.boundingSphere.clone(); + return this; + } + raycast(raycaster, intersects2) { + const material = this.material; + const matrixWorld = this.matrixWorld; + if (material === void 0) + return; + if (this.boundingSphere === null) + this.computeBoundingSphere(); + _sphere$4.copy(this.boundingSphere); + _sphere$4.applyMatrix4(matrixWorld); + if (raycaster.ray.intersectsSphere(_sphere$4) === false) + return; + _inverseMatrix$2.copy(matrixWorld).invert(); + _ray$2.copy(raycaster.ray).applyMatrix4(_inverseMatrix$2); + if (this.boundingBox !== null) { + if (_ray$2.intersectsBox(this.boundingBox) === false) + return; + } + this._computeIntersections(raycaster, intersects2, _ray$2); + } + getVertexPosition(index, target) { + super.getVertexPosition(index, target); + this.applyBoneTransform(index, target); + return target; + } + bind(skeleton, bindMatrix) { + this.skeleton = skeleton; + if (bindMatrix === void 0) { + this.updateMatrixWorld(true); + this.skeleton.calculateInverses(); + bindMatrix = this.matrixWorld; + } + this.bindMatrix.copy(bindMatrix); + this.bindMatrixInverse.copy(bindMatrix).invert(); + } + pose() { + this.skeleton.pose(); + } + normalizeSkinWeights() { + const vector = new Vector4(); + const skinWeight = this.geometry.attributes.skinWeight; + for (let i = 0, l = skinWeight.count; i < l; i++) { + vector.fromBufferAttribute(skinWeight, i); + const scale = 1 / vector.manhattanLength(); + if (scale !== Infinity) { + vector.multiplyScalar(scale); + } else { + vector.set(1, 0, 0, 0); + } + skinWeight.setXYZW(i, vector.x, vector.y, vector.z, vector.w); + } + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + if (this.bindMode === AttachedBindMode) { + this.bindMatrixInverse.copy(this.matrixWorld).invert(); + } else if (this.bindMode === DetachedBindMode) { + this.bindMatrixInverse.copy(this.bindMatrix).invert(); + } else { + console.warn("THREE.SkinnedMesh: Unrecognized bindMode: " + this.bindMode); + } + } + applyBoneTransform(index, vector) { + const skeleton = this.skeleton; + const geometry = this.geometry; + _skinIndex.fromBufferAttribute(geometry.attributes.skinIndex, index); + _skinWeight.fromBufferAttribute(geometry.attributes.skinWeight, index); + _basePosition.copy(vector).applyMatrix4(this.bindMatrix); + vector.set(0, 0, 0); + for (let i = 0; i < 4; i++) { + const weight = _skinWeight.getComponent(i); + if (weight !== 0) { + const boneIndex = _skinIndex.getComponent(i); + _matrix4.multiplyMatrices(skeleton.bones[boneIndex].matrixWorld, skeleton.boneInverses[boneIndex]); + vector.addScaledVector(_vector3.copy(_basePosition).applyMatrix4(_matrix4), weight); + } + } + return vector.applyMatrix4(this.bindMatrixInverse); + } + boneTransform(index, vector) { + console.warn("THREE.SkinnedMesh: .boneTransform() was renamed to .applyBoneTransform() in r151."); + return this.applyBoneTransform(index, vector); + } +} +class Bone extends Object3D { + constructor() { + super(); + this.isBone = true; + this.type = "Bone"; + } +} +class DataTexture extends Texture { + constructor(data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace) { + super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace); + this.isDataTexture = true; + this.image = { data, width, height }; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } +} +const _offsetMatrix = /* @__PURE__ */ new Matrix4(); +const _identityMatrix$1 = /* @__PURE__ */ new Matrix4(); +class Skeleton { + constructor(bones = [], boneInverses = []) { + this.uuid = generateUUID(); + this.bones = bones.slice(0); + this.boneInverses = boneInverses; + this.boneMatrices = null; + this.boneTexture = null; + this.init(); + } + init() { + const bones = this.bones; + const boneInverses = this.boneInverses; + this.boneMatrices = new Float32Array(bones.length * 16); + if (boneInverses.length === 0) { + this.calculateInverses(); + } else { + if (bones.length !== boneInverses.length) { + console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."); + this.boneInverses = []; + for (let i = 0, il = this.bones.length; i < il; i++) { + this.boneInverses.push(new Matrix4()); + } + } + } + } + calculateInverses() { + this.boneInverses.length = 0; + for (let i = 0, il = this.bones.length; i < il; i++) { + const inverse = new Matrix4(); + if (this.bones[i]) { + inverse.copy(this.bones[i].matrixWorld).invert(); + } + this.boneInverses.push(inverse); + } + } + pose() { + for (let i = 0, il = this.bones.length; i < il; i++) { + const bone = this.bones[i]; + if (bone) { + bone.matrixWorld.copy(this.boneInverses[i]).invert(); + } + } + for (let i = 0, il = this.bones.length; i < il; i++) { + const bone = this.bones[i]; + if (bone) { + if (bone.parent && bone.parent.isBone) { + bone.matrix.copy(bone.parent.matrixWorld).invert(); + bone.matrix.multiply(bone.matrixWorld); + } else { + bone.matrix.copy(bone.matrixWorld); + } + bone.matrix.decompose(bone.position, bone.quaternion, bone.scale); + } + } + } + update() { + const bones = this.bones; + const boneInverses = this.boneInverses; + const boneMatrices = this.boneMatrices; + const boneTexture = this.boneTexture; + for (let i = 0, il = bones.length; i < il; i++) { + const matrix = bones[i] ? bones[i].matrixWorld : _identityMatrix$1; + _offsetMatrix.multiplyMatrices(matrix, boneInverses[i]); + _offsetMatrix.toArray(boneMatrices, i * 16); + } + if (boneTexture !== null) { + boneTexture.needsUpdate = true; + } + } + clone() { + return new Skeleton(this.bones, this.boneInverses); + } + computeBoneTexture() { + let size = Math.sqrt(this.bones.length * 4); + size = Math.ceil(size / 4) * 4; + size = Math.max(size, 4); + const boneMatrices = new Float32Array(size * size * 4); + boneMatrices.set(this.boneMatrices); + const boneTexture = new DataTexture(boneMatrices, size, size, RGBAFormat, FloatType); + boneTexture.needsUpdate = true; + this.boneMatrices = boneMatrices; + this.boneTexture = boneTexture; + return this; + } + getBoneByName(name) { + for (let i = 0, il = this.bones.length; i < il; i++) { + const bone = this.bones[i]; + if (bone.name === name) { + return bone; + } + } + return void 0; + } + dispose() { + if (this.boneTexture !== null) { + this.boneTexture.dispose(); + this.boneTexture = null; + } + } + fromJSON(json, bones) { + this.uuid = json.uuid; + for (let i = 0, l = json.bones.length; i < l; i++) { + const uuid = json.bones[i]; + let bone = bones[uuid]; + if (bone === void 0) { + console.warn("THREE.Skeleton: No bone found with UUID:", uuid); + bone = new Bone(); + } + this.bones.push(bone); + this.boneInverses.push(new Matrix4().fromArray(json.boneInverses[i])); + } + this.init(); + return this; + } + toJSON() { + const data = { + metadata: { + version: 4.6, + type: "Skeleton", + generator: "Skeleton.toJSON" + }, + bones: [], + boneInverses: [] + }; + data.uuid = this.uuid; + const bones = this.bones; + const boneInverses = this.boneInverses; + for (let i = 0, l = bones.length; i < l; i++) { + const bone = bones[i]; + data.bones.push(bone.uuid); + const boneInverse = boneInverses[i]; + data.boneInverses.push(boneInverse.toArray()); + } + return data; + } +} +class InstancedBufferAttribute extends BufferAttribute { + constructor(array, itemSize, normalized, meshPerAttribute = 1) { + super(array, itemSize, normalized); + this.isInstancedBufferAttribute = true; + this.meshPerAttribute = meshPerAttribute; + } + copy(source) { + super.copy(source); + this.meshPerAttribute = source.meshPerAttribute; + return this; + } + toJSON() { + const data = super.toJSON(); + data.meshPerAttribute = this.meshPerAttribute; + data.isInstancedBufferAttribute = true; + return data; + } +} +const _instanceLocalMatrix = /* @__PURE__ */ new Matrix4(); +const _instanceWorldMatrix = /* @__PURE__ */ new Matrix4(); +const _instanceIntersects = []; +const _box3 = /* @__PURE__ */ new Box3(); +const _identity = /* @__PURE__ */ new Matrix4(); +const _mesh$1 = /* @__PURE__ */ new Mesh(); +const _sphere$3 = /* @__PURE__ */ new Sphere(); +class InstancedMesh extends Mesh { + constructor(geometry, material, count) { + super(geometry, material); + this.isInstancedMesh = true; + this.instanceMatrix = new InstancedBufferAttribute(new Float32Array(count * 16), 16); + this.instanceColor = null; + this.count = count; + this.boundingBox = null; + this.boundingSphere = null; + for (let i = 0; i < count; i++) { + this.setMatrixAt(i, _identity); + } + } + computeBoundingBox() { + const geometry = this.geometry; + const count = this.count; + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + if (geometry.boundingBox === null) { + geometry.computeBoundingBox(); + } + this.boundingBox.makeEmpty(); + for (let i = 0; i < count; i++) { + this.getMatrixAt(i, _instanceLocalMatrix); + _box3.copy(geometry.boundingBox).applyMatrix4(_instanceLocalMatrix); + this.boundingBox.union(_box3); + } + } + computeBoundingSphere() { + const geometry = this.geometry; + const count = this.count; + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + if (geometry.boundingSphere === null) { + geometry.computeBoundingSphere(); + } + this.boundingSphere.makeEmpty(); + for (let i = 0; i < count; i++) { + this.getMatrixAt(i, _instanceLocalMatrix); + _sphere$3.copy(geometry.boundingSphere).applyMatrix4(_instanceLocalMatrix); + this.boundingSphere.union(_sphere$3); + } + } + copy(source, recursive) { + super.copy(source, recursive); + this.instanceMatrix.copy(source.instanceMatrix); + if (source.instanceColor !== null) + this.instanceColor = source.instanceColor.clone(); + this.count = source.count; + if (source.boundingBox !== null) + this.boundingBox = source.boundingBox.clone(); + if (source.boundingSphere !== null) + this.boundingSphere = source.boundingSphere.clone(); + return this; + } + getColorAt(index, color) { + color.fromArray(this.instanceColor.array, index * 3); + } + getMatrixAt(index, matrix) { + matrix.fromArray(this.instanceMatrix.array, index * 16); + } + raycast(raycaster, intersects2) { + const matrixWorld = this.matrixWorld; + const raycastTimes = this.count; + _mesh$1.geometry = this.geometry; + _mesh$1.material = this.material; + if (_mesh$1.material === void 0) + return; + if (this.boundingSphere === null) + this.computeBoundingSphere(); + _sphere$3.copy(this.boundingSphere); + _sphere$3.applyMatrix4(matrixWorld); + if (raycaster.ray.intersectsSphere(_sphere$3) === false) + return; + for (let instanceId = 0; instanceId < raycastTimes; instanceId++) { + this.getMatrixAt(instanceId, _instanceLocalMatrix); + _instanceWorldMatrix.multiplyMatrices(matrixWorld, _instanceLocalMatrix); + _mesh$1.matrixWorld = _instanceWorldMatrix; + _mesh$1.raycast(raycaster, _instanceIntersects); + for (let i = 0, l = _instanceIntersects.length; i < l; i++) { + const intersect = _instanceIntersects[i]; + intersect.instanceId = instanceId; + intersect.object = this; + intersects2.push(intersect); + } + _instanceIntersects.length = 0; + } + } + setColorAt(index, color) { + if (this.instanceColor === null) { + this.instanceColor = new InstancedBufferAttribute(new Float32Array(this.instanceMatrix.count * 3), 3); + } + color.toArray(this.instanceColor.array, index * 3); + } + setMatrixAt(index, matrix) { + matrix.toArray(this.instanceMatrix.array, index * 16); + } + updateMorphTargets() { + } + dispose() { + this.dispatchEvent({ type: "dispose" }); + } +} +function sortOpaque(a, b) { + return a.z - b.z; +} +function sortTransparent(a, b) { + return b.z - a.z; +} +class MultiDrawRenderList { + constructor() { + this.index = 0; + this.pool = []; + this.list = []; + } + push(drawRange, z) { + const pool = this.pool; + const list = this.list; + if (this.index >= pool.length) { + pool.push({ + start: -1, + count: -1, + z: -1 + }); + } + const item = pool[this.index]; + list.push(item); + this.index++; + item.start = drawRange.start; + item.count = drawRange.count; + item.z = z; + } + reset() { + this.list.length = 0; + this.index = 0; + } +} +const ID_ATTR_NAME = "batchId"; +const _matrix = /* @__PURE__ */ new Matrix4(); +const _invMatrixWorld = /* @__PURE__ */ new Matrix4(); +const _identityMatrix = /* @__PURE__ */ new Matrix4(); +const _projScreenMatrix$2 = /* @__PURE__ */ new Matrix4(); +const _frustum = /* @__PURE__ */ new Frustum(); +const _box$1 = /* @__PURE__ */ new Box3(); +const _sphere$2 = /* @__PURE__ */ new Sphere(); +const _vector$5 = /* @__PURE__ */ new Vector3(); +const _renderList = /* @__PURE__ */ new MultiDrawRenderList(); +const _mesh = /* @__PURE__ */ new Mesh(); +const _batchIntersects = []; +function copyAttributeData(src, target, targetOffset = 0) { + const itemSize = target.itemSize; + if (src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor) { + const vertexCount = src.count; + for (let i = 0; i < vertexCount; i++) { + for (let c = 0; c < itemSize; c++) { + target.setComponent(i + targetOffset, c, src.getComponent(i, c)); + } + } + } else { + target.array.set(src.array, targetOffset * itemSize); + } + target.needsUpdate = true; +} +class BatchedMesh extends Mesh { + get maxGeometryCount() { + return this._maxGeometryCount; + } + constructor(maxGeometryCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material) { + super(new BufferGeometry(), material); + this.isBatchedMesh = true; + this.perObjectFrustumCulled = true; + this.sortObjects = true; + this.boundingBox = null; + this.boundingSphere = null; + this.customSort = null; + this._drawRanges = []; + this._reservedRanges = []; + this._visibility = []; + this._active = []; + this._bounds = []; + this._maxGeometryCount = maxGeometryCount; + this._maxVertexCount = maxVertexCount; + this._maxIndexCount = maxIndexCount; + this._geometryInitialized = false; + this._geometryCount = 0; + this._multiDrawCounts = new Int32Array(maxGeometryCount); + this._multiDrawStarts = new Int32Array(maxGeometryCount); + this._multiDrawCount = 0; + this._visibilityChanged = true; + this._matricesTexture = null; + this._initMatricesTexture(); + } + _initMatricesTexture() { + let size = Math.sqrt(this._maxGeometryCount * 4); + size = Math.ceil(size / 4) * 4; + size = Math.max(size, 4); + const matricesArray = new Float32Array(size * size * 4); + const matricesTexture = new DataTexture(matricesArray, size, size, RGBAFormat, FloatType); + this._matricesTexture = matricesTexture; + } + _initializeGeometry(reference) { + const geometry = this.geometry; + const maxVertexCount = this._maxVertexCount; + const maxGeometryCount = this._maxGeometryCount; + const maxIndexCount = this._maxIndexCount; + if (this._geometryInitialized === false) { + for (const attributeName in reference.attributes) { + const srcAttribute = reference.getAttribute(attributeName); + const { array, itemSize, normalized } = srcAttribute; + const dstArray = new array.constructor(maxVertexCount * itemSize); + const dstAttribute = new srcAttribute.constructor(dstArray, itemSize, normalized); + dstAttribute.setUsage(srcAttribute.usage); + geometry.setAttribute(attributeName, dstAttribute); + } + if (reference.getIndex() !== null) { + const indexArray = maxVertexCount > 65536 ? new Uint32Array(maxIndexCount) : new Uint16Array(maxIndexCount); + geometry.setIndex(new BufferAttribute(indexArray, 1)); + } + const idArray = maxGeometryCount > 65536 ? new Uint32Array(maxVertexCount) : new Uint16Array(maxVertexCount); + geometry.setAttribute(ID_ATTR_NAME, new BufferAttribute(idArray, 1)); + this._geometryInitialized = true; + } + } + // Make sure the geometry is compatible with the existing combined geometry atributes + _validateGeometry(geometry) { + if (geometry.getAttribute(ID_ATTR_NAME)) { + throw new Error(`BatchedMesh: Geometry cannot use attribute "${ID_ATTR_NAME}"`); + } + const batchGeometry = this.geometry; + if (Boolean(geometry.getIndex()) !== Boolean(batchGeometry.getIndex())) { + throw new Error('BatchedMesh: All geometries must consistently have "index".'); + } + for (const attributeName in batchGeometry.attributes) { + if (attributeName === ID_ATTR_NAME) { + continue; + } + if (!geometry.hasAttribute(attributeName)) { + throw new Error(`BatchedMesh: Added geometry missing "${attributeName}". All geometries must have consistent attributes.`); + } + const srcAttribute = geometry.getAttribute(attributeName); + const dstAttribute = batchGeometry.getAttribute(attributeName); + if (srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized) { + throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value."); + } + } + } + setCustomSort(func) { + this.customSort = func; + return this; + } + computeBoundingBox() { + if (this.boundingBox === null) { + this.boundingBox = new Box3(); + } + const geometryCount = this._geometryCount; + const boundingBox = this.boundingBox; + const active = this._active; + boundingBox.makeEmpty(); + for (let i = 0; i < geometryCount; i++) { + if (active[i] === false) + continue; + this.getMatrixAt(i, _matrix); + this.getBoundingBoxAt(i, _box$1).applyMatrix4(_matrix); + boundingBox.union(_box$1); + } + } + computeBoundingSphere() { + if (this.boundingSphere === null) { + this.boundingSphere = new Sphere(); + } + const geometryCount = this._geometryCount; + const boundingSphere = this.boundingSphere; + const active = this._active; + boundingSphere.makeEmpty(); + for (let i = 0; i < geometryCount; i++) { + if (active[i] === false) + continue; + this.getMatrixAt(i, _matrix); + this.getBoundingSphereAt(i, _sphere$2).applyMatrix4(_matrix); + boundingSphere.union(_sphere$2); + } + } + addGeometry(geometry, vertexCount = -1, indexCount = -1) { + this._initializeGeometry(geometry); + this._validateGeometry(geometry); + if (this._geometryCount >= this._maxGeometryCount) { + throw new Error("BatchedMesh: Maximum geometry count reached."); + } + const reservedRange = { + vertexStart: -1, + vertexCount: -1, + indexStart: -1, + indexCount: -1 + }; + let lastRange = null; + const reservedRanges = this._reservedRanges; + const drawRanges = this._drawRanges; + const bounds = this._bounds; + if (this._geometryCount !== 0) { + lastRange = reservedRanges[reservedRanges.length - 1]; + } + if (vertexCount === -1) { + reservedRange.vertexCount = geometry.getAttribute("position").count; + } else { + reservedRange.vertexCount = vertexCount; + } + if (lastRange === null) { + reservedRange.vertexStart = 0; + } else { + reservedRange.vertexStart = lastRange.vertexStart + lastRange.vertexCount; + } + const index = geometry.getIndex(); + const hasIndex = index !== null; + if (hasIndex) { + if (indexCount === -1) { + reservedRange.indexCount = index.count; + } else { + reservedRange.indexCount = indexCount; + } + if (lastRange === null) { + reservedRange.indexStart = 0; + } else { + reservedRange.indexStart = lastRange.indexStart + lastRange.indexCount; + } + } + if (reservedRange.indexStart !== -1 && reservedRange.indexStart + reservedRange.indexCount > this._maxIndexCount || reservedRange.vertexStart + reservedRange.vertexCount > this._maxVertexCount) { + throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size."); + } + const visibility = this._visibility; + const active = this._active; + const matricesTexture = this._matricesTexture; + const matricesArray = this._matricesTexture.image.data; + visibility.push(true); + active.push(true); + const geometryId = this._geometryCount; + this._geometryCount++; + _identityMatrix.toArray(matricesArray, geometryId * 16); + matricesTexture.needsUpdate = true; + reservedRanges.push(reservedRange); + drawRanges.push({ + start: hasIndex ? reservedRange.indexStart : reservedRange.vertexStart, + count: -1 + }); + bounds.push({ + boxInitialized: false, + box: new Box3(), + sphereInitialized: false, + sphere: new Sphere() + }); + const idAttribute = this.geometry.getAttribute(ID_ATTR_NAME); + for (let i = 0; i < reservedRange.vertexCount; i++) { + idAttribute.setX(reservedRange.vertexStart + i, geometryId); + } + idAttribute.needsUpdate = true; + this.setGeometryAt(geometryId, geometry); + return geometryId; + } + setGeometryAt(id, geometry) { + if (id >= this._geometryCount) { + throw new Error("BatchedMesh: Maximum geometry count reached."); + } + this._validateGeometry(geometry); + const batchGeometry = this.geometry; + const hasIndex = batchGeometry.getIndex() !== null; + const dstIndex = batchGeometry.getIndex(); + const srcIndex = geometry.getIndex(); + const reservedRange = this._reservedRanges[id]; + if (hasIndex && srcIndex.count > reservedRange.indexCount || geometry.attributes.position.count > reservedRange.vertexCount) { + throw new Error("BatchedMesh: Reserved space not large enough for provided geometry."); + } + const vertexStart = reservedRange.vertexStart; + const vertexCount = reservedRange.vertexCount; + for (const attributeName in batchGeometry.attributes) { + if (attributeName === ID_ATTR_NAME) { + continue; + } + const srcAttribute = geometry.getAttribute(attributeName); + const dstAttribute = batchGeometry.getAttribute(attributeName); + copyAttributeData(srcAttribute, dstAttribute, vertexStart); + const itemSize = srcAttribute.itemSize; + for (let i = srcAttribute.count, l = vertexCount; i < l; i++) { + const index = vertexStart + i; + for (let c = 0; c < itemSize; c++) { + dstAttribute.setComponent(index, c, 0); + } + } + dstAttribute.needsUpdate = true; + } + if (hasIndex) { + const indexStart = reservedRange.indexStart; + for (let i = 0; i < srcIndex.count; i++) { + dstIndex.setX(indexStart + i, vertexStart + srcIndex.getX(i)); + } + for (let i = srcIndex.count, l = reservedRange.indexCount; i < l; i++) { + dstIndex.setX(indexStart + i, vertexStart); + } + dstIndex.needsUpdate = true; + } + const bound = this._bounds[id]; + if (geometry.boundingBox !== null) { + bound.box.copy(geometry.boundingBox); + bound.boxInitialized = true; + } else { + bound.boxInitialized = false; + } + if (geometry.boundingSphere !== null) { + bound.sphere.copy(geometry.boundingSphere); + bound.sphereInitialized = true; + } else { + bound.sphereInitialized = false; + } + const drawRange = this._drawRanges[id]; + const posAttr = geometry.getAttribute("position"); + drawRange.count = hasIndex ? srcIndex.count : posAttr.count; + this._visibilityChanged = true; + return id; + } + deleteGeometry(geometryId) { + const active = this._active; + if (geometryId >= active.length || active[geometryId] === false) { + return this; + } + active[geometryId] = false; + this._visibilityChanged = true; + return this; + } + // get bounding box and compute it if it doesn't exist + getBoundingBoxAt(id, target) { + const active = this._active; + if (active[id] === false) { + return this; + } + const bound = this._bounds[id]; + const box = bound.box; + const geometry = this.geometry; + if (bound.boxInitialized === false) { + box.makeEmpty(); + const index = geometry.index; + const position = geometry.attributes.position; + const drawRange = this._drawRanges[id]; + for (let i = drawRange.start, l = drawRange.start + drawRange.count; i < l; i++) { + let iv = i; + if (index) { + iv = index.getX(iv); + } + box.expandByPoint(_vector$5.fromBufferAttribute(position, iv)); + } + bound.boxInitialized = true; + } + target.copy(box); + return target; + } + // get bounding sphere and compute it if it doesn't exist + getBoundingSphereAt(id, target) { + const active = this._active; + if (active[id] === false) { + return this; + } + const bound = this._bounds[id]; + const sphere = bound.sphere; + const geometry = this.geometry; + if (bound.sphereInitialized === false) { + sphere.makeEmpty(); + this.getBoundingBoxAt(id, _box$1); + _box$1.getCenter(sphere.center); + const index = geometry.index; + const position = geometry.attributes.position; + const drawRange = this._drawRanges[id]; + let maxRadiusSq = 0; + for (let i = drawRange.start, l = drawRange.start + drawRange.count; i < l; i++) { + let iv = i; + if (index) { + iv = index.getX(iv); + } + _vector$5.fromBufferAttribute(position, iv); + maxRadiusSq = Math.max(maxRadiusSq, sphere.center.distanceToSquared(_vector$5)); + } + sphere.radius = Math.sqrt(maxRadiusSq); + bound.sphereInitialized = true; + } + target.copy(sphere); + return target; + } + setMatrixAt(geometryId, matrix) { + const active = this._active; + const matricesTexture = this._matricesTexture; + const matricesArray = this._matricesTexture.image.data; + const geometryCount = this._geometryCount; + if (geometryId >= geometryCount || active[geometryId] === false) { + return this; + } + matrix.toArray(matricesArray, geometryId * 16); + matricesTexture.needsUpdate = true; + return this; + } + getMatrixAt(geometryId, matrix) { + const active = this._active; + const matricesArray = this._matricesTexture.image.data; + const geometryCount = this._geometryCount; + if (geometryId >= geometryCount || active[geometryId] === false) { + return null; + } + return matrix.fromArray(matricesArray, geometryId * 16); + } + setVisibleAt(geometryId, value) { + const visibility = this._visibility; + const active = this._active; + const geometryCount = this._geometryCount; + if (geometryId >= geometryCount || active[geometryId] === false || visibility[geometryId] === value) { + return this; + } + visibility[geometryId] = value; + this._visibilityChanged = true; + return this; + } + getVisibleAt(geometryId) { + const visibility = this._visibility; + const active = this._active; + const geometryCount = this._geometryCount; + if (geometryId >= geometryCount || active[geometryId] === false) { + return false; + } + return visibility[geometryId]; + } + raycast(raycaster, intersects2) { + const visibility = this._visibility; + const active = this._active; + const drawRanges = this._drawRanges; + const geometryCount = this._geometryCount; + const matrixWorld = this.matrixWorld; + const batchGeometry = this.geometry; + _mesh.material = this.material; + _mesh.geometry.index = batchGeometry.index; + _mesh.geometry.attributes = batchGeometry.attributes; + if (_mesh.geometry.boundingBox === null) { + _mesh.geometry.boundingBox = new Box3(); + } + if (_mesh.geometry.boundingSphere === null) { + _mesh.geometry.boundingSphere = new Sphere(); + } + for (let i = 0; i < geometryCount; i++) { + if (!visibility[i] || !active[i]) { + continue; + } + const drawRange = drawRanges[i]; + _mesh.geometry.setDrawRange(drawRange.start, drawRange.count); + this.getMatrixAt(i, _mesh.matrixWorld).premultiply(matrixWorld); + this.getBoundingBoxAt(i, _mesh.geometry.boundingBox); + this.getBoundingSphereAt(i, _mesh.geometry.boundingSphere); + _mesh.raycast(raycaster, _batchIntersects); + for (let j = 0, l = _batchIntersects.length; j < l; j++) { + const intersect = _batchIntersects[j]; + intersect.object = this; + intersect.batchId = i; + intersects2.push(intersect); + } + _batchIntersects.length = 0; + } + _mesh.material = null; + _mesh.geometry.index = null; + _mesh.geometry.attributes = {}; + _mesh.geometry.setDrawRange(0, Infinity); + } + copy(source) { + super.copy(source); + this.geometry = source.geometry.clone(); + this.perObjectFrustumCulled = source.perObjectFrustumCulled; + this.sortObjects = source.sortObjects; + this.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null; + this.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null; + this._drawRanges = source._drawRanges.map((range) => ({ ...range })); + this._reservedRanges = source._reservedRanges.map((range) => ({ ...range })); + this._visibility = source._visibility.slice(); + this._active = source._active.slice(); + this._bounds = source._bounds.map((bound) => ({ + boxInitialized: bound.boxInitialized, + box: bound.box.clone(), + sphereInitialized: bound.sphereInitialized, + sphere: bound.sphere.clone() + })); + this._maxGeometryCount = source._maxGeometryCount; + this._maxVertexCount = source._maxVertexCount; + this._maxIndexCount = source._maxIndexCount; + this._geometryInitialized = source._geometryInitialized; + this._geometryCount = source._geometryCount; + this._multiDrawCounts = source._multiDrawCounts.slice(); + this._multiDrawStarts = source._multiDrawStarts.slice(); + this._matricesTexture = source._matricesTexture.clone(); + this._matricesTexture.image.data = this._matricesTexture.image.slice(); + return this; + } + dispose() { + this.geometry.dispose(); + this._matricesTexture.dispose(); + this._matricesTexture = null; + return this; + } + onBeforeRender(renderer, scene, camera, geometry, material) { + if (!this._visibilityChanged && !this.perObjectFrustumCulled && !this.sortObjects) { + return; + } + const index = geometry.getIndex(); + const bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT; + const visibility = this._visibility; + const multiDrawStarts = this._multiDrawStarts; + const multiDrawCounts = this._multiDrawCounts; + const drawRanges = this._drawRanges; + const perObjectFrustumCulled = this.perObjectFrustumCulled; + if (perObjectFrustumCulled) { + _projScreenMatrix$2.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse).multiply(this.matrixWorld); + _frustum.setFromProjectionMatrix( + _projScreenMatrix$2, + renderer.isWebGPURenderer ? WebGPUCoordinateSystem : WebGLCoordinateSystem + ); + } + let count = 0; + if (this.sortObjects) { + _invMatrixWorld.copy(this.matrixWorld).invert(); + _vector$5.setFromMatrixPosition(camera.matrixWorld).applyMatrix4(_invMatrixWorld); + for (let i = 0, l = visibility.length; i < l; i++) { + if (visibility[i]) { + this.getMatrixAt(i, _matrix); + this.getBoundingSphereAt(i, _sphere$2).applyMatrix4(_matrix); + let culled = false; + if (perObjectFrustumCulled) { + culled = !_frustum.intersectsSphere(_sphere$2); + } + if (!culled) { + const z = _vector$5.distanceTo(_sphere$2.center); + _renderList.push(drawRanges[i], z); + } + } + } + const list = _renderList.list; + const customSort = this.customSort; + if (customSort === null) { + list.sort(material.transparent ? sortTransparent : sortOpaque); + } else { + customSort.call(this, list, camera); + } + for (let i = 0, l = list.length; i < l; i++) { + const item = list[i]; + multiDrawStarts[count] = item.start * bytesPerElement; + multiDrawCounts[count] = item.count; + count++; + } + _renderList.reset(); + } else { + for (let i = 0, l = visibility.length; i < l; i++) { + if (visibility[i]) { + let culled = false; + if (perObjectFrustumCulled) { + this.getMatrixAt(i, _matrix); + this.getBoundingSphereAt(i, _sphere$2).applyMatrix4(_matrix); + culled = !_frustum.intersectsSphere(_sphere$2); + } + if (!culled) { + const range = drawRanges[i]; + multiDrawStarts[count] = range.start * bytesPerElement; + multiDrawCounts[count] = range.count; + count++; + } + } + } + } + this._multiDrawCount = count; + this._visibilityChanged = false; + } + onBeforeShadow(renderer, object, camera, shadowCamera, geometry, depthMaterial) { + this.onBeforeRender(renderer, null, shadowCamera, geometry, depthMaterial); + } +} +class LineBasicMaterial extends Material { + constructor(parameters) { + super(); + this.isLineBasicMaterial = true; + this.type = "LineBasicMaterial"; + this.color = new Color(16777215); + this.map = null; + this.linewidth = 1; + this.linecap = "round"; + this.linejoin = "round"; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + this.fog = source.fog; + return this; + } +} +const _start$1 = /* @__PURE__ */ new Vector3(); +const _end$1 = /* @__PURE__ */ new Vector3(); +const _inverseMatrix$1 = /* @__PURE__ */ new Matrix4(); +const _ray$1 = /* @__PURE__ */ new Ray(); +const _sphere$1 = /* @__PURE__ */ new Sphere(); +class Line extends Object3D { + constructor(geometry = new BufferGeometry(), material = new LineBasicMaterial()) { + super(); + this.isLine = true; + this.type = "Line"; + this.geometry = geometry; + this.material = material; + this.updateMorphTargets(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.material = Array.isArray(source.material) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + computeLineDistances() { + const geometry = this.geometry; + if (geometry.index === null) { + const positionAttribute = geometry.attributes.position; + const lineDistances = [0]; + for (let i = 1, l = positionAttribute.count; i < l; i++) { + _start$1.fromBufferAttribute(positionAttribute, i - 1); + _end$1.fromBufferAttribute(positionAttribute, i); + lineDistances[i] = lineDistances[i - 1]; + lineDistances[i] += _start$1.distanceTo(_end$1); + } + geometry.setAttribute("lineDistance", new Float32BufferAttribute(lineDistances, 1)); + } else { + console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry."); + } + return this; + } + raycast(raycaster, intersects2) { + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Line.threshold; + const drawRange = geometry.drawRange; + if (geometry.boundingSphere === null) + geometry.computeBoundingSphere(); + _sphere$1.copy(geometry.boundingSphere); + _sphere$1.applyMatrix4(matrixWorld); + _sphere$1.radius += threshold; + if (raycaster.ray.intersectsSphere(_sphere$1) === false) + return; + _inverseMatrix$1.copy(matrixWorld).invert(); + _ray$1.copy(raycaster.ray).applyMatrix4(_inverseMatrix$1); + const localThreshold = threshold / ((this.scale.x + this.scale.y + this.scale.z) / 3); + const localThresholdSq = localThreshold * localThreshold; + const vStart = new Vector3(); + const vEnd = new Vector3(); + const interSegment = new Vector3(); + const interRay = new Vector3(); + const step = this.isLineSegments ? 2 : 1; + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + if (index !== null) { + const start = Math.max(0, drawRange.start); + const end = Math.min(index.count, drawRange.start + drawRange.count); + for (let i = start, l = end - 1; i < l; i += step) { + const a = index.getX(i); + const b = index.getX(i + 1); + vStart.fromBufferAttribute(positionAttribute, a); + vEnd.fromBufferAttribute(positionAttribute, b); + const distSq = _ray$1.distanceSqToSegment(vStart, vEnd, interRay, interSegment); + if (distSq > localThresholdSq) + continue; + interRay.applyMatrix4(this.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(interRay); + if (distance < raycaster.near || distance > raycaster.far) + continue; + intersects2.push({ + distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4(this.matrixWorld), + index: i, + face: null, + faceIndex: null, + object: this + }); + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(positionAttribute.count, drawRange.start + drawRange.count); + for (let i = start, l = end - 1; i < l; i += step) { + vStart.fromBufferAttribute(positionAttribute, i); + vEnd.fromBufferAttribute(positionAttribute, i + 1); + const distSq = _ray$1.distanceSqToSegment(vStart, vEnd, interRay, interSegment); + if (distSq > localThresholdSq) + continue; + interRay.applyMatrix4(this.matrixWorld); + const distance = raycaster.ray.origin.distanceTo(interRay); + if (distance < raycaster.near || distance > raycaster.far) + continue; + intersects2.push({ + distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4(this.matrixWorld), + index: i, + face: null, + faceIndex: null, + object: this + }); + } + } + } + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys(morphAttributes); + if (keys.length > 0) { + const morphAttribute = morphAttributes[keys[0]]; + if (morphAttribute !== void 0) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for (let m = 0, ml = morphAttribute.length; m < ml; m++) { + const name = morphAttribute[m].name || String(m); + this.morphTargetInfluences.push(0); + this.morphTargetDictionary[name] = m; + } + } + } + } +} +const _start = /* @__PURE__ */ new Vector3(); +const _end = /* @__PURE__ */ new Vector3(); +class LineSegments extends Line { + constructor(geometry, material) { + super(geometry, material); + this.isLineSegments = true; + this.type = "LineSegments"; + } + computeLineDistances() { + const geometry = this.geometry; + if (geometry.index === null) { + const positionAttribute = geometry.attributes.position; + const lineDistances = []; + for (let i = 0, l = positionAttribute.count; i < l; i += 2) { + _start.fromBufferAttribute(positionAttribute, i); + _end.fromBufferAttribute(positionAttribute, i + 1); + lineDistances[i] = i === 0 ? 0 : lineDistances[i - 1]; + lineDistances[i + 1] = lineDistances[i] + _start.distanceTo(_end); + } + geometry.setAttribute("lineDistance", new Float32BufferAttribute(lineDistances, 1)); + } else { + console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry."); + } + return this; + } +} +class LineLoop extends Line { + constructor(geometry, material) { + super(geometry, material); + this.isLineLoop = true; + this.type = "LineLoop"; + } +} +class PointsMaterial extends Material { + constructor(parameters) { + super(); + this.isPointsMaterial = true; + this.type = "PointsMaterial"; + this.color = new Color(16777215); + this.map = null; + this.alphaMap = null; + this.size = 1; + this.sizeAttenuation = true; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + this.fog = source.fog; + return this; + } +} +const _inverseMatrix = /* @__PURE__ */ new Matrix4(); +const _ray$4 = /* @__PURE__ */ new Ray(); +const _sphere = /* @__PURE__ */ new Sphere(); +const _position$2 = /* @__PURE__ */ new Vector3(); +class Points extends Object3D { + constructor(geometry = new BufferGeometry(), material = new PointsMaterial()) { + super(); + this.isPoints = true; + this.type = "Points"; + this.geometry = geometry; + this.material = material; + this.updateMorphTargets(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.material = Array.isArray(source.material) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + raycast(raycaster, intersects2) { + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Points.threshold; + const drawRange = geometry.drawRange; + if (geometry.boundingSphere === null) + geometry.computeBoundingSphere(); + _sphere.copy(geometry.boundingSphere); + _sphere.applyMatrix4(matrixWorld); + _sphere.radius += threshold; + if (raycaster.ray.intersectsSphere(_sphere) === false) + return; + _inverseMatrix.copy(matrixWorld).invert(); + _ray$4.copy(raycaster.ray).applyMatrix4(_inverseMatrix); + const localThreshold = threshold / ((this.scale.x + this.scale.y + this.scale.z) / 3); + const localThresholdSq = localThreshold * localThreshold; + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + if (index !== null) { + const start = Math.max(0, drawRange.start); + const end = Math.min(index.count, drawRange.start + drawRange.count); + for (let i = start, il = end; i < il; i++) { + const a = index.getX(i); + _position$2.fromBufferAttribute(positionAttribute, a); + testPoint(_position$2, a, localThresholdSq, matrixWorld, raycaster, intersects2, this); + } + } else { + const start = Math.max(0, drawRange.start); + const end = Math.min(positionAttribute.count, drawRange.start + drawRange.count); + for (let i = start, l = end; i < l; i++) { + _position$2.fromBufferAttribute(positionAttribute, i); + testPoint(_position$2, i, localThresholdSq, matrixWorld, raycaster, intersects2, this); + } + } + } + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys(morphAttributes); + if (keys.length > 0) { + const morphAttribute = morphAttributes[keys[0]]; + if (morphAttribute !== void 0) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for (let m = 0, ml = morphAttribute.length; m < ml; m++) { + const name = morphAttribute[m].name || String(m); + this.morphTargetInfluences.push(0); + this.morphTargetDictionary[name] = m; + } + } + } + } +} +function testPoint(point, index, localThresholdSq, matrixWorld, raycaster, intersects2, object) { + const rayPointDistanceSq = _ray$4.distanceSqToPoint(point); + if (rayPointDistanceSq < localThresholdSq) { + const intersectPoint = new Vector3(); + _ray$4.closestPointToPoint(point, intersectPoint); + intersectPoint.applyMatrix4(matrixWorld); + const distance = raycaster.ray.origin.distanceTo(intersectPoint); + if (distance < raycaster.near || distance > raycaster.far) + return; + intersects2.push({ + distance, + distanceToRay: Math.sqrt(rayPointDistanceSq), + point: intersectPoint, + index, + face: null, + object + }); + } +} +class VideoTexture extends Texture { + constructor(video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy) { + super(video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isVideoTexture = true; + this.minFilter = minFilter !== void 0 ? minFilter : LinearFilter; + this.magFilter = magFilter !== void 0 ? magFilter : LinearFilter; + this.generateMipmaps = false; + const scope = this; + function updateVideo() { + scope.needsUpdate = true; + video.requestVideoFrameCallback(updateVideo); + } + if ("requestVideoFrameCallback" in video) { + video.requestVideoFrameCallback(updateVideo); + } + } + clone() { + return new this.constructor(this.image).copy(this); + } + update() { + const video = this.image; + const hasVideoFrameCallback = "requestVideoFrameCallback" in video; + if (hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA) { + this.needsUpdate = true; + } + } +} +class FramebufferTexture extends Texture { + constructor(width, height) { + super({ width, height }); + this.isFramebufferTexture = true; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.generateMipmaps = false; + this.needsUpdate = true; + } +} +class CompressedTexture extends Texture { + constructor(mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace) { + super(null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace); + this.isCompressedTexture = true; + this.image = { width, height }; + this.mipmaps = mipmaps; + this.flipY = false; + this.generateMipmaps = false; + } +} +class CompressedArrayTexture extends CompressedTexture { + constructor(mipmaps, width, height, depth, format, type) { + super(mipmaps, width, height, format, type); + this.isCompressedArrayTexture = true; + this.image.depth = depth; + this.wrapR = ClampToEdgeWrapping; + } +} +class CompressedCubeTexture extends CompressedTexture { + constructor(images, format, type) { + super(void 0, images[0].width, images[0].height, format, type, CubeReflectionMapping); + this.isCompressedCubeTexture = true; + this.isCubeTexture = true; + this.image = images; + } +} +class CanvasTexture extends Texture { + constructor(canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy) { + super(canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy); + this.isCanvasTexture = true; + this.needsUpdate = true; + } +} +class Curve { + constructor() { + this.type = "Curve"; + this.arcLengthDivisions = 200; + } + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] + getPoint() { + console.warn("THREE.Curve: .getPoint() not implemented."); + return null; + } + // Get point at relative position in curve according to arc length + // - u [0 .. 1] + getPointAt(u, optionalTarget) { + const t = this.getUtoTmapping(u); + return this.getPoint(t, optionalTarget); + } + // Get sequence of points using getPoint( t ) + getPoints(divisions = 5) { + const points = []; + for (let d = 0; d <= divisions; d++) { + points.push(this.getPoint(d / divisions)); + } + return points; + } + // Get sequence of points using getPointAt( u ) + getSpacedPoints(divisions = 5) { + const points = []; + for (let d = 0; d <= divisions; d++) { + points.push(this.getPointAt(d / divisions)); + } + return points; + } + // Get total curve arc length + getLength() { + const lengths = this.getLengths(); + return lengths[lengths.length - 1]; + } + // Get list of cumulative segment lengths + getLengths(divisions = this.arcLengthDivisions) { + if (this.cacheArcLengths && this.cacheArcLengths.length === divisions + 1 && !this.needsUpdate) { + return this.cacheArcLengths; + } + this.needsUpdate = false; + const cache = []; + let current, last = this.getPoint(0); + let sum = 0; + cache.push(0); + for (let p = 1; p <= divisions; p++) { + current = this.getPoint(p / divisions); + sum += current.distanceTo(last); + cache.push(sum); + last = current; + } + this.cacheArcLengths = cache; + return cache; + } + updateArcLengths() { + this.needsUpdate = true; + this.getLengths(); + } + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + getUtoTmapping(u, distance) { + const arcLengths = this.getLengths(); + let i = 0; + const il = arcLengths.length; + let targetArcLength; + if (distance) { + targetArcLength = distance; + } else { + targetArcLength = u * arcLengths[il - 1]; + } + let low = 0, high = il - 1, comparison; + while (low <= high) { + i = Math.floor(low + (high - low) / 2); + comparison = arcLengths[i] - targetArcLength; + if (comparison < 0) { + low = i + 1; + } else if (comparison > 0) { + high = i - 1; + } else { + high = i; + break; + } + } + i = high; + if (arcLengths[i] === targetArcLength) { + return i / (il - 1); + } + const lengthBefore = arcLengths[i]; + const lengthAfter = arcLengths[i + 1]; + const segmentLength = lengthAfter - lengthBefore; + const segmentFraction = (targetArcLength - lengthBefore) / segmentLength; + const t = (i + segmentFraction) / (il - 1); + return t; + } + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation + getTangent(t, optionalTarget) { + const delta = 1e-4; + let t1 = t - delta; + let t2 = t + delta; + if (t1 < 0) + t1 = 0; + if (t2 > 1) + t2 = 1; + const pt1 = this.getPoint(t1); + const pt2 = this.getPoint(t2); + const tangent = optionalTarget || (pt1.isVector2 ? new Vector2() : new Vector3()); + tangent.copy(pt2).sub(pt1).normalize(); + return tangent; + } + getTangentAt(u, optionalTarget) { + const t = this.getUtoTmapping(u); + return this.getTangent(t, optionalTarget); + } + computeFrenetFrames(segments, closed) { + const normal = new Vector3(); + const tangents = []; + const normals = []; + const binormals = []; + const vec = new Vector3(); + const mat = new Matrix4(); + for (let i = 0; i <= segments; i++) { + const u = i / segments; + tangents[i] = this.getTangentAt(u, new Vector3()); + } + normals[0] = new Vector3(); + binormals[0] = new Vector3(); + let min = Number.MAX_VALUE; + const tx = Math.abs(tangents[0].x); + const ty = Math.abs(tangents[0].y); + const tz = Math.abs(tangents[0].z); + if (tx <= min) { + min = tx; + normal.set(1, 0, 0); + } + if (ty <= min) { + min = ty; + normal.set(0, 1, 0); + } + if (tz <= min) { + normal.set(0, 0, 1); + } + vec.crossVectors(tangents[0], normal).normalize(); + normals[0].crossVectors(tangents[0], vec); + binormals[0].crossVectors(tangents[0], normals[0]); + for (let i = 1; i <= segments; i++) { + normals[i] = normals[i - 1].clone(); + binormals[i] = binormals[i - 1].clone(); + vec.crossVectors(tangents[i - 1], tangents[i]); + if (vec.length() > Number.EPSILON) { + vec.normalize(); + const theta = Math.acos(clamp(tangents[i - 1].dot(tangents[i]), -1, 1)); + normals[i].applyMatrix4(mat.makeRotationAxis(vec, theta)); + } + binormals[i].crossVectors(tangents[i], normals[i]); + } + if (closed === true) { + let theta = Math.acos(clamp(normals[0].dot(normals[segments]), -1, 1)); + theta /= segments; + if (tangents[0].dot(vec.crossVectors(normals[0], normals[segments])) > 0) { + theta = -theta; + } + for (let i = 1; i <= segments; i++) { + normals[i].applyMatrix4(mat.makeRotationAxis(tangents[i], theta * i)); + binormals[i].crossVectors(tangents[i], normals[i]); + } + } + return { + tangents, + normals, + binormals + }; + } + clone() { + return new this.constructor().copy(this); + } + copy(source) { + this.arcLengthDivisions = source.arcLengthDivisions; + return this; + } + toJSON() { + const data = { + metadata: { + version: 4.6, + type: "Curve", + generator: "Curve.toJSON" + } + }; + data.arcLengthDivisions = this.arcLengthDivisions; + data.type = this.type; + return data; + } + fromJSON(json) { + this.arcLengthDivisions = json.arcLengthDivisions; + return this; + } +} +class EllipseCurve extends Curve { + constructor(aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0) { + super(); + this.isEllipseCurve = true; + this.type = "EllipseCurve"; + this.aX = aX; + this.aY = aY; + this.xRadius = xRadius; + this.yRadius = yRadius; + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; + this.aClockwise = aClockwise; + this.aRotation = aRotation; + } + getPoint(t, optionalTarget) { + const point = optionalTarget || new Vector2(); + const twoPi = Math.PI * 2; + let deltaAngle = this.aEndAngle - this.aStartAngle; + const samePoints = Math.abs(deltaAngle) < Number.EPSILON; + while (deltaAngle < 0) + deltaAngle += twoPi; + while (deltaAngle > twoPi) + deltaAngle -= twoPi; + if (deltaAngle < Number.EPSILON) { + if (samePoints) { + deltaAngle = 0; + } else { + deltaAngle = twoPi; + } + } + if (this.aClockwise === true && !samePoints) { + if (deltaAngle === twoPi) { + deltaAngle = -twoPi; + } else { + deltaAngle = deltaAngle - twoPi; + } + } + const angle = this.aStartAngle + t * deltaAngle; + let x = this.aX + this.xRadius * Math.cos(angle); + let y = this.aY + this.yRadius * Math.sin(angle); + if (this.aRotation !== 0) { + const cos = Math.cos(this.aRotation); + const sin = Math.sin(this.aRotation); + const tx = x - this.aX; + const ty = y - this.aY; + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + } + return point.set(x, y); + } + copy(source) { + super.copy(source); + this.aX = source.aX; + this.aY = source.aY; + this.xRadius = source.xRadius; + this.yRadius = source.yRadius; + this.aStartAngle = source.aStartAngle; + this.aEndAngle = source.aEndAngle; + this.aClockwise = source.aClockwise; + this.aRotation = source.aRotation; + return this; + } + toJSON() { + const data = super.toJSON(); + data.aX = this.aX; + data.aY = this.aY; + data.xRadius = this.xRadius; + data.yRadius = this.yRadius; + data.aStartAngle = this.aStartAngle; + data.aEndAngle = this.aEndAngle; + data.aClockwise = this.aClockwise; + data.aRotation = this.aRotation; + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.aX = json.aX; + this.aY = json.aY; + this.xRadius = json.xRadius; + this.yRadius = json.yRadius; + this.aStartAngle = json.aStartAngle; + this.aEndAngle = json.aEndAngle; + this.aClockwise = json.aClockwise; + this.aRotation = json.aRotation; + return this; + } +} +class ArcCurve extends EllipseCurve { + constructor(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) { + super(aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise); + this.isArcCurve = true; + this.type = "ArcCurve"; + } +} +function CubicPoly() { + let c0 = 0, c1 = 0, c2 = 0, c3 = 0; + function init(x0, x1, t0, t1) { + c0 = x0; + c1 = t0; + c2 = -3 * x0 + 3 * x1 - 2 * t0 - t1; + c3 = 2 * x0 - 2 * x1 + t0 + t1; + } + return { + initCatmullRom: function(x0, x1, x2, x3, tension) { + init(x1, x2, tension * (x2 - x0), tension * (x3 - x1)); + }, + initNonuniformCatmullRom: function(x0, x1, x2, x3, dt0, dt1, dt2) { + let t1 = (x1 - x0) / dt0 - (x2 - x0) / (dt0 + dt1) + (x2 - x1) / dt1; + let t2 = (x2 - x1) / dt1 - (x3 - x1) / (dt1 + dt2) + (x3 - x2) / dt2; + t1 *= dt1; + t2 *= dt1; + init(x1, x2, t1, t2); + }, + calc: function(t) { + const t2 = t * t; + const t3 = t2 * t; + return c0 + c1 * t + c2 * t2 + c3 * t3; + } + }; +} +const tmp = /* @__PURE__ */ new Vector3(); +const px = /* @__PURE__ */ new CubicPoly(); +const py = /* @__PURE__ */ new CubicPoly(); +const pz = /* @__PURE__ */ new CubicPoly(); +class CatmullRomCurve3 extends Curve { + constructor(points = [], closed = false, curveType = "centripetal", tension = 0.5) { + super(); + this.isCatmullRomCurve3 = true; + this.type = "CatmullRomCurve3"; + this.points = points; + this.closed = closed; + this.curveType = curveType; + this.tension = tension; + } + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + const points = this.points; + const l = points.length; + const p = (l - (this.closed ? 0 : 1)) * t; + let intPoint = Math.floor(p); + let weight = p - intPoint; + if (this.closed) { + intPoint += intPoint > 0 ? 0 : (Math.floor(Math.abs(intPoint) / l) + 1) * l; + } else if (weight === 0 && intPoint === l - 1) { + intPoint = l - 2; + weight = 1; + } + let p0, p3; + if (this.closed || intPoint > 0) { + p0 = points[(intPoint - 1) % l]; + } else { + tmp.subVectors(points[0], points[1]).add(points[0]); + p0 = tmp; + } + const p1 = points[intPoint % l]; + const p2 = points[(intPoint + 1) % l]; + if (this.closed || intPoint + 2 < l) { + p3 = points[(intPoint + 2) % l]; + } else { + tmp.subVectors(points[l - 1], points[l - 2]).add(points[l - 1]); + p3 = tmp; + } + if (this.curveType === "centripetal" || this.curveType === "chordal") { + const pow = this.curveType === "chordal" ? 0.5 : 0.25; + let dt0 = Math.pow(p0.distanceToSquared(p1), pow); + let dt1 = Math.pow(p1.distanceToSquared(p2), pow); + let dt2 = Math.pow(p2.distanceToSquared(p3), pow); + if (dt1 < 1e-4) + dt1 = 1; + if (dt0 < 1e-4) + dt0 = dt1; + if (dt2 < 1e-4) + dt2 = dt1; + px.initNonuniformCatmullRom(p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2); + py.initNonuniformCatmullRom(p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2); + pz.initNonuniformCatmullRom(p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2); + } else if (this.curveType === "catmullrom") { + px.initCatmullRom(p0.x, p1.x, p2.x, p3.x, this.tension); + py.initCatmullRom(p0.y, p1.y, p2.y, p3.y, this.tension); + pz.initCatmullRom(p0.z, p1.z, p2.z, p3.z, this.tension); + } + point.set( + px.calc(weight), + py.calc(weight), + pz.calc(weight) + ); + return point; + } + copy(source) { + super.copy(source); + this.points = []; + for (let i = 0, l = source.points.length; i < l; i++) { + const point = source.points[i]; + this.points.push(point.clone()); + } + this.closed = source.closed; + this.curveType = source.curveType; + this.tension = source.tension; + return this; + } + toJSON() { + const data = super.toJSON(); + data.points = []; + for (let i = 0, l = this.points.length; i < l; i++) { + const point = this.points[i]; + data.points.push(point.toArray()); + } + data.closed = this.closed; + data.curveType = this.curveType; + data.tension = this.tension; + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.points = []; + for (let i = 0, l = json.points.length; i < l; i++) { + const point = json.points[i]; + this.points.push(new Vector3().fromArray(point)); + } + this.closed = json.closed; + this.curveType = json.curveType; + this.tension = json.tension; + return this; + } +} +function CatmullRom(t, p0, p1, p2, p3) { + const v0 = (p2 - p0) * 0.5; + const v12 = (p3 - p1) * 0.5; + const t2 = t * t; + const t3 = t * t2; + return (2 * p1 - 2 * p2 + v0 + v12) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v12) * t2 + v0 * t + p1; +} +function QuadraticBezierP0(t, p) { + const k = 1 - t; + return k * k * p; +} +function QuadraticBezierP1(t, p) { + return 2 * (1 - t) * t * p; +} +function QuadraticBezierP2(t, p) { + return t * t * p; +} +function QuadraticBezier(t, p0, p1, p2) { + return QuadraticBezierP0(t, p0) + QuadraticBezierP1(t, p1) + QuadraticBezierP2(t, p2); +} +function CubicBezierP0(t, p) { + const k = 1 - t; + return k * k * k * p; +} +function CubicBezierP1(t, p) { + const k = 1 - t; + return 3 * k * k * t * p; +} +function CubicBezierP2(t, p) { + return 3 * (1 - t) * t * t * p; +} +function CubicBezierP3(t, p) { + return t * t * t * p; +} +function CubicBezier(t, p0, p1, p2, p3) { + return CubicBezierP0(t, p0) + CubicBezierP1(t, p1) + CubicBezierP2(t, p2) + CubicBezierP3(t, p3); +} +class CubicBezierCurve extends Curve { + constructor(v0 = new Vector2(), v12 = new Vector2(), v22 = new Vector2(), v32 = new Vector2()) { + super(); + this.isCubicBezierCurve = true; + this.type = "CubicBezierCurve"; + this.v0 = v0; + this.v1 = v12; + this.v2 = v22; + this.v3 = v32; + } + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const v0 = this.v0, v12 = this.v1, v22 = this.v2, v32 = this.v3; + point.set( + CubicBezier(t, v0.x, v12.x, v22.x, v32.x), + CubicBezier(t, v0.y, v12.y, v22.y, v32.y) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + this.v3.copy(source.v3); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + this.v3.fromArray(json.v3); + return this; + } +} +class CubicBezierCurve3 extends Curve { + constructor(v0 = new Vector3(), v12 = new Vector3(), v22 = new Vector3(), v32 = new Vector3()) { + super(); + this.isCubicBezierCurve3 = true; + this.type = "CubicBezierCurve3"; + this.v0 = v0; + this.v1 = v12; + this.v2 = v22; + this.v3 = v32; + } + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + const v0 = this.v0, v12 = this.v1, v22 = this.v2, v32 = this.v3; + point.set( + CubicBezier(t, v0.x, v12.x, v22.x, v32.x), + CubicBezier(t, v0.y, v12.y, v22.y, v32.y), + CubicBezier(t, v0.z, v12.z, v22.z, v32.z) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + this.v3.copy(source.v3); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + this.v3.fromArray(json.v3); + return this; + } +} +class LineCurve extends Curve { + constructor(v12 = new Vector2(), v22 = new Vector2()) { + super(); + this.isLineCurve = true; + this.type = "LineCurve"; + this.v1 = v12; + this.v2 = v22; + } + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + if (t === 1) { + point.copy(this.v2); + } else { + point.copy(this.v2).sub(this.v1); + point.multiplyScalar(t).add(this.v1); + } + return point; + } + // Line curve is linear, so we can overwrite default getPointAt + getPointAt(u, optionalTarget) { + return this.getPoint(u, optionalTarget); + } + getTangent(t, optionalTarget = new Vector2()) { + return optionalTarget.subVectors(this.v2, this.v1).normalize(); + } + getTangentAt(u, optionalTarget) { + return this.getTangent(u, optionalTarget); + } + copy(source) { + super.copy(source); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +} +class LineCurve3 extends Curve { + constructor(v12 = new Vector3(), v22 = new Vector3()) { + super(); + this.isLineCurve3 = true; + this.type = "LineCurve3"; + this.v1 = v12; + this.v2 = v22; + } + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + if (t === 1) { + point.copy(this.v2); + } else { + point.copy(this.v2).sub(this.v1); + point.multiplyScalar(t).add(this.v1); + } + return point; + } + // Line curve is linear, so we can overwrite default getPointAt + getPointAt(u, optionalTarget) { + return this.getPoint(u, optionalTarget); + } + getTangent(t, optionalTarget = new Vector3()) { + return optionalTarget.subVectors(this.v2, this.v1).normalize(); + } + getTangentAt(u, optionalTarget) { + return this.getTangent(u, optionalTarget); + } + copy(source) { + super.copy(source); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +} +class QuadraticBezierCurve extends Curve { + constructor(v0 = new Vector2(), v12 = new Vector2(), v22 = new Vector2()) { + super(); + this.isQuadraticBezierCurve = true; + this.type = "QuadraticBezierCurve"; + this.v0 = v0; + this.v1 = v12; + this.v2 = v22; + } + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const v0 = this.v0, v12 = this.v1, v22 = this.v2; + point.set( + QuadraticBezier(t, v0.x, v12.x, v22.x), + QuadraticBezier(t, v0.y, v12.y, v22.y) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +} +class QuadraticBezierCurve3 extends Curve { + constructor(v0 = new Vector3(), v12 = new Vector3(), v22 = new Vector3()) { + super(); + this.isQuadraticBezierCurve3 = true; + this.type = "QuadraticBezierCurve3"; + this.v0 = v0; + this.v1 = v12; + this.v2 = v22; + } + getPoint(t, optionalTarget = new Vector3()) { + const point = optionalTarget; + const v0 = this.v0, v12 = this.v1, v22 = this.v2; + point.set( + QuadraticBezier(t, v0.x, v12.x, v22.x), + QuadraticBezier(t, v0.y, v12.y, v22.y), + QuadraticBezier(t, v0.z, v12.z, v22.z) + ); + return point; + } + copy(source) { + super.copy(source); + this.v0.copy(source.v0); + this.v1.copy(source.v1); + this.v2.copy(source.v2); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.v0.fromArray(json.v0); + this.v1.fromArray(json.v1); + this.v2.fromArray(json.v2); + return this; + } +} +class SplineCurve extends Curve { + constructor(points = []) { + super(); + this.isSplineCurve = true; + this.type = "SplineCurve"; + this.points = points; + } + getPoint(t, optionalTarget = new Vector2()) { + const point = optionalTarget; + const points = this.points; + const p = (points.length - 1) * t; + const intPoint = Math.floor(p); + const weight = p - intPoint; + const p0 = points[intPoint === 0 ? intPoint : intPoint - 1]; + const p1 = points[intPoint]; + const p2 = points[intPoint > points.length - 2 ? points.length - 1 : intPoint + 1]; + const p3 = points[intPoint > points.length - 3 ? points.length - 1 : intPoint + 2]; + point.set( + CatmullRom(weight, p0.x, p1.x, p2.x, p3.x), + CatmullRom(weight, p0.y, p1.y, p2.y, p3.y) + ); + return point; + } + copy(source) { + super.copy(source); + this.points = []; + for (let i = 0, l = source.points.length; i < l; i++) { + const point = source.points[i]; + this.points.push(point.clone()); + } + return this; + } + toJSON() { + const data = super.toJSON(); + data.points = []; + for (let i = 0, l = this.points.length; i < l; i++) { + const point = this.points[i]; + data.points.push(point.toArray()); + } + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.points = []; + for (let i = 0, l = json.points.length; i < l; i++) { + const point = json.points[i]; + this.points.push(new Vector2().fromArray(point)); + } + return this; + } +} +var Curves = /* @__PURE__ */ Object.freeze({ + __proto__: null, + ArcCurve, + CatmullRomCurve3, + CubicBezierCurve, + CubicBezierCurve3, + EllipseCurve, + LineCurve, + LineCurve3, + QuadraticBezierCurve, + QuadraticBezierCurve3, + SplineCurve +}); +class CurvePath extends Curve { + constructor() { + super(); + this.type = "CurvePath"; + this.curves = []; + this.autoClose = false; + } + add(curve) { + this.curves.push(curve); + } + closePath() { + const startPoint = this.curves[0].getPoint(0); + const endPoint = this.curves[this.curves.length - 1].getPoint(1); + if (!startPoint.equals(endPoint)) { + const lineType = startPoint.isVector2 === true ? "LineCurve" : "LineCurve3"; + this.curves.push(new Curves[lineType](endPoint, startPoint)); + } + return this; + } + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') + getPoint(t, optionalTarget) { + const d = t * this.getLength(); + const curveLengths = this.getCurveLengths(); + let i = 0; + while (i < curveLengths.length) { + if (curveLengths[i] >= d) { + const diff = curveLengths[i] - d; + const curve = this.curves[i]; + const segmentLength = curve.getLength(); + const u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + return curve.getPointAt(u, optionalTarget); + } + i++; + } + return null; + } + // We cannot use the default THREE.Curve getPoint() with getLength() because in + // THREE.Curve, getLength() depends on getPoint() but in THREE.CurvePath + // getPoint() depends on getLength + getLength() { + const lens = this.getCurveLengths(); + return lens[lens.length - 1]; + } + // cacheLengths must be recalculated. + updateArcLengths() { + this.needsUpdate = true; + this.cacheLengths = null; + this.getCurveLengths(); + } + // Compute lengths and cache them + // We cannot overwrite getLengths() because UtoT mapping uses it. + getCurveLengths() { + if (this.cacheLengths && this.cacheLengths.length === this.curves.length) { + return this.cacheLengths; + } + const lengths = []; + let sums = 0; + for (let i = 0, l = this.curves.length; i < l; i++) { + sums += this.curves[i].getLength(); + lengths.push(sums); + } + this.cacheLengths = lengths; + return lengths; + } + getSpacedPoints(divisions = 40) { + const points = []; + for (let i = 0; i <= divisions; i++) { + points.push(this.getPoint(i / divisions)); + } + if (this.autoClose) { + points.push(points[0]); + } + return points; + } + getPoints(divisions = 12) { + const points = []; + let last; + for (let i = 0, curves = this.curves; i < curves.length; i++) { + const curve = curves[i]; + const resolution = curve.isEllipseCurve ? divisions * 2 : curve.isLineCurve || curve.isLineCurve3 ? 1 : curve.isSplineCurve ? divisions * curve.points.length : divisions; + const pts = curve.getPoints(resolution); + for (let j = 0; j < pts.length; j++) { + const point = pts[j]; + if (last && last.equals(point)) + continue; + points.push(point); + last = point; + } + } + if (this.autoClose && points.length > 1 && !points[points.length - 1].equals(points[0])) { + points.push(points[0]); + } + return points; + } + copy(source) { + super.copy(source); + this.curves = []; + for (let i = 0, l = source.curves.length; i < l; i++) { + const curve = source.curves[i]; + this.curves.push(curve.clone()); + } + this.autoClose = source.autoClose; + return this; + } + toJSON() { + const data = super.toJSON(); + data.autoClose = this.autoClose; + data.curves = []; + for (let i = 0, l = this.curves.length; i < l; i++) { + const curve = this.curves[i]; + data.curves.push(curve.toJSON()); + } + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.autoClose = json.autoClose; + this.curves = []; + for (let i = 0, l = json.curves.length; i < l; i++) { + const curve = json.curves[i]; + this.curves.push(new Curves[curve.type]().fromJSON(curve)); + } + return this; + } +} +class Path extends CurvePath { + constructor(points) { + super(); + this.type = "Path"; + this.currentPoint = new Vector2(); + if (points) { + this.setFromPoints(points); + } + } + setFromPoints(points) { + this.moveTo(points[0].x, points[0].y); + for (let i = 1, l = points.length; i < l; i++) { + this.lineTo(points[i].x, points[i].y); + } + return this; + } + moveTo(x, y) { + this.currentPoint.set(x, y); + return this; + } + lineTo(x, y) { + const curve = new LineCurve(this.currentPoint.clone(), new Vector2(x, y)); + this.curves.push(curve); + this.currentPoint.set(x, y); + return this; + } + quadraticCurveTo(aCPx, aCPy, aX, aY) { + const curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2(aCPx, aCPy), + new Vector2(aX, aY) + ); + this.curves.push(curve); + this.currentPoint.set(aX, aY); + return this; + } + bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY) { + const curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2(aCP1x, aCP1y), + new Vector2(aCP2x, aCP2y), + new Vector2(aX, aY) + ); + this.curves.push(curve); + this.currentPoint.set(aX, aY); + return this; + } + splineThru(pts) { + const npts = [this.currentPoint.clone()].concat(pts); + const curve = new SplineCurve(npts); + this.curves.push(curve); + this.currentPoint.copy(pts[pts.length - 1]); + return this; + } + arc(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) { + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + this.absarc( + aX + x0, + aY + y0, + aRadius, + aStartAngle, + aEndAngle, + aClockwise + ); + return this; + } + absarc(aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise) { + this.absellipse(aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise); + return this; + } + ellipse(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation) { + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + this.absellipse(aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation); + return this; + } + absellipse(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation) { + const curve = new EllipseCurve(aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation); + if (this.curves.length > 0) { + const firstPoint = curve.getPoint(0); + if (!firstPoint.equals(this.currentPoint)) { + this.lineTo(firstPoint.x, firstPoint.y); + } + } + this.curves.push(curve); + const lastPoint = curve.getPoint(1); + this.currentPoint.copy(lastPoint); + return this; + } + copy(source) { + super.copy(source); + this.currentPoint.copy(source.currentPoint); + return this; + } + toJSON() { + const data = super.toJSON(); + data.currentPoint = this.currentPoint.toArray(); + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.currentPoint.fromArray(json.currentPoint); + return this; + } +} +class LatheGeometry extends BufferGeometry { + constructor(points = [new Vector2(0, -0.5), new Vector2(0.5, 0), new Vector2(0, 0.5)], segments = 12, phiStart = 0, phiLength = Math.PI * 2) { + super(); + this.type = "LatheGeometry"; + this.parameters = { + points, + segments, + phiStart, + phiLength + }; + segments = Math.floor(segments); + phiLength = clamp(phiLength, 0, Math.PI * 2); + const indices = []; + const vertices = []; + const uvs = []; + const initNormals = []; + const normals = []; + const inverseSegments = 1 / segments; + const vertex2 = new Vector3(); + const uv = new Vector2(); + const normal = new Vector3(); + const curNormal = new Vector3(); + const prevNormal = new Vector3(); + let dx = 0; + let dy = 0; + for (let j = 0; j <= points.length - 1; j++) { + switch (j) { + case 0: + dx = points[j + 1].x - points[j].x; + dy = points[j + 1].y - points[j].y; + normal.x = dy * 1; + normal.y = -dx; + normal.z = dy * 0; + prevNormal.copy(normal); + normal.normalize(); + initNormals.push(normal.x, normal.y, normal.z); + break; + case points.length - 1: + initNormals.push(prevNormal.x, prevNormal.y, prevNormal.z); + break; + default: + dx = points[j + 1].x - points[j].x; + dy = points[j + 1].y - points[j].y; + normal.x = dy * 1; + normal.y = -dx; + normal.z = dy * 0; + curNormal.copy(normal); + normal.x += prevNormal.x; + normal.y += prevNormal.y; + normal.z += prevNormal.z; + normal.normalize(); + initNormals.push(normal.x, normal.y, normal.z); + prevNormal.copy(curNormal); + } + } + for (let i = 0; i <= segments; i++) { + const phi = phiStart + i * inverseSegments * phiLength; + const sin = Math.sin(phi); + const cos = Math.cos(phi); + for (let j = 0; j <= points.length - 1; j++) { + vertex2.x = points[j].x * sin; + vertex2.y = points[j].y; + vertex2.z = points[j].x * cos; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + uv.x = i / segments; + uv.y = j / (points.length - 1); + uvs.push(uv.x, uv.y); + const x = initNormals[3 * j + 0] * sin; + const y = initNormals[3 * j + 1]; + const z = initNormals[3 * j + 0] * cos; + normals.push(x, y, z); + } + } + for (let i = 0; i < segments; i++) { + for (let j = 0; j < points.length - 1; j++) { + const base = j + i * points.length; + const a = base; + const b = base + points.length; + const c = base + points.length + 1; + const d = base + 1; + indices.push(a, b, d); + indices.push(c, d, b); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new LatheGeometry(data.points, data.segments, data.phiStart, data.phiLength); + } +} +class CapsuleGeometry extends LatheGeometry { + constructor(radius = 1, length = 1, capSegments = 4, radialSegments = 8) { + const path = new Path(); + path.absarc(0, -length / 2, radius, Math.PI * 1.5, 0); + path.absarc(0, length / 2, radius, 0, Math.PI * 0.5); + super(path.getPoints(capSegments), radialSegments); + this.type = "CapsuleGeometry"; + this.parameters = { + radius, + length, + capSegments, + radialSegments + }; + } + static fromJSON(data) { + return new CapsuleGeometry(data.radius, data.length, data.capSegments, data.radialSegments); + } +} +class CircleGeometry extends BufferGeometry { + constructor(radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2) { + super(); + this.type = "CircleGeometry"; + this.parameters = { + radius, + segments, + thetaStart, + thetaLength + }; + segments = Math.max(3, segments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const vertex2 = new Vector3(); + const uv = new Vector2(); + vertices.push(0, 0, 0); + normals.push(0, 0, 1); + uvs.push(0.5, 0.5); + for (let s = 0, i = 3; s <= segments; s++, i += 3) { + const segment = thetaStart + s / segments * thetaLength; + vertex2.x = radius * Math.cos(segment); + vertex2.y = radius * Math.sin(segment); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normals.push(0, 0, 1); + uv.x = (vertices[i] / radius + 1) / 2; + uv.y = (vertices[i + 1] / radius + 1) / 2; + uvs.push(uv.x, uv.y); + } + for (let i = 1; i <= segments; i++) { + indices.push(i, i + 1, 0); + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new CircleGeometry(data.radius, data.segments, data.thetaStart, data.thetaLength); + } +} +class CylinderGeometry extends BufferGeometry { + constructor(radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2) { + super(); + this.type = "CylinderGeometry"; + this.parameters = { + radiusTop, + radiusBottom, + height, + radialSegments, + heightSegments, + openEnded, + thetaStart, + thetaLength + }; + const scope = this; + radialSegments = Math.floor(radialSegments); + heightSegments = Math.floor(heightSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let index = 0; + const indexArray = []; + const halfHeight = height / 2; + let groupStart = 0; + generateTorso(); + if (openEnded === false) { + if (radiusTop > 0) + generateCap(true); + if (radiusBottom > 0) + generateCap(false); + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function generateTorso() { + const normal = new Vector3(); + const vertex2 = new Vector3(); + let groupCount = 0; + const slope = (radiusBottom - radiusTop) / height; + for (let y = 0; y <= heightSegments; y++) { + const indexRow = []; + const v = y / heightSegments; + const radius = v * (radiusBottom - radiusTop) + radiusTop; + for (let x = 0; x <= radialSegments; x++) { + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + const sinTheta = Math.sin(theta); + const cosTheta = Math.cos(theta); + vertex2.x = radius * sinTheta; + vertex2.y = -v * height + halfHeight; + vertex2.z = radius * cosTheta; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.set(sinTheta, slope, cosTheta).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(u, 1 - v); + indexRow.push(index++); + } + indexArray.push(indexRow); + } + for (let x = 0; x < radialSegments; x++) { + for (let y = 0; y < heightSegments; y++) { + const a = indexArray[y][x]; + const b = indexArray[y + 1][x]; + const c = indexArray[y + 1][x + 1]; + const d = indexArray[y][x + 1]; + indices.push(a, b, d); + indices.push(b, c, d); + groupCount += 6; + } + } + scope.addGroup(groupStart, groupCount, 0); + groupStart += groupCount; + } + function generateCap(top) { + const centerIndexStart = index; + const uv = new Vector2(); + const vertex2 = new Vector3(); + let groupCount = 0; + const radius = top === true ? radiusTop : radiusBottom; + const sign2 = top === true ? 1 : -1; + for (let x = 1; x <= radialSegments; x++) { + vertices.push(0, halfHeight * sign2, 0); + normals.push(0, sign2, 0); + uvs.push(0.5, 0.5); + index++; + } + const centerIndexEnd = index; + for (let x = 0; x <= radialSegments; x++) { + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + const cosTheta = Math.cos(theta); + const sinTheta = Math.sin(theta); + vertex2.x = radius * sinTheta; + vertex2.y = halfHeight * sign2; + vertex2.z = radius * cosTheta; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normals.push(0, sign2, 0); + uv.x = cosTheta * 0.5 + 0.5; + uv.y = sinTheta * 0.5 * sign2 + 0.5; + uvs.push(uv.x, uv.y); + index++; + } + for (let x = 0; x < radialSegments; x++) { + const c = centerIndexStart + x; + const i = centerIndexEnd + x; + if (top === true) { + indices.push(i, i + 1, c); + } else { + indices.push(i + 1, i, c); + } + groupCount += 3; + } + scope.addGroup(groupStart, groupCount, top === true ? 1 : 2); + groupStart += groupCount; + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new CylinderGeometry(data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength); + } +} +class ConeGeometry extends CylinderGeometry { + constructor(radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2) { + super(0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength); + this.type = "ConeGeometry"; + this.parameters = { + radius, + height, + radialSegments, + heightSegments, + openEnded, + thetaStart, + thetaLength + }; + } + static fromJSON(data) { + return new ConeGeometry(data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength); + } +} +class PolyhedronGeometry extends BufferGeometry { + constructor(vertices = [], indices = [], radius = 1, detail = 0) { + super(); + this.type = "PolyhedronGeometry"; + this.parameters = { + vertices, + indices, + radius, + detail + }; + const vertexBuffer = []; + const uvBuffer = []; + subdivide(detail); + applyRadius(radius); + generateUVs(); + this.setAttribute("position", new Float32BufferAttribute(vertexBuffer, 3)); + this.setAttribute("normal", new Float32BufferAttribute(vertexBuffer.slice(), 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvBuffer, 2)); + if (detail === 0) { + this.computeVertexNormals(); + } else { + this.normalizeNormals(); + } + function subdivide(detail2) { + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + for (let i = 0; i < indices.length; i += 3) { + getVertexByIndex(indices[i + 0], a); + getVertexByIndex(indices[i + 1], b); + getVertexByIndex(indices[i + 2], c); + subdivideFace(a, b, c, detail2); + } + } + function subdivideFace(a, b, c, detail2) { + const cols = detail2 + 1; + const v = []; + for (let i = 0; i <= cols; i++) { + v[i] = []; + const aj = a.clone().lerp(c, i / cols); + const bj = b.clone().lerp(c, i / cols); + const rows = cols - i; + for (let j = 0; j <= rows; j++) { + if (j === 0 && i === cols) { + v[i][j] = aj; + } else { + v[i][j] = aj.clone().lerp(bj, j / rows); + } + } + } + for (let i = 0; i < cols; i++) { + for (let j = 0; j < 2 * (cols - i) - 1; j++) { + const k = Math.floor(j / 2); + if (j % 2 === 0) { + pushVertex(v[i][k + 1]); + pushVertex(v[i + 1][k]); + pushVertex(v[i][k]); + } else { + pushVertex(v[i][k + 1]); + pushVertex(v[i + 1][k + 1]); + pushVertex(v[i + 1][k]); + } + } + } + } + function applyRadius(radius2) { + const vertex2 = new Vector3(); + for (let i = 0; i < vertexBuffer.length; i += 3) { + vertex2.x = vertexBuffer[i + 0]; + vertex2.y = vertexBuffer[i + 1]; + vertex2.z = vertexBuffer[i + 2]; + vertex2.normalize().multiplyScalar(radius2); + vertexBuffer[i + 0] = vertex2.x; + vertexBuffer[i + 1] = vertex2.y; + vertexBuffer[i + 2] = vertex2.z; + } + } + function generateUVs() { + const vertex2 = new Vector3(); + for (let i = 0; i < vertexBuffer.length; i += 3) { + vertex2.x = vertexBuffer[i + 0]; + vertex2.y = vertexBuffer[i + 1]; + vertex2.z = vertexBuffer[i + 2]; + const u = azimuth(vertex2) / 2 / Math.PI + 0.5; + const v = inclination(vertex2) / Math.PI + 0.5; + uvBuffer.push(u, 1 - v); + } + correctUVs(); + correctSeam(); + } + function correctSeam() { + for (let i = 0; i < uvBuffer.length; i += 6) { + const x0 = uvBuffer[i + 0]; + const x1 = uvBuffer[i + 2]; + const x2 = uvBuffer[i + 4]; + const max = Math.max(x0, x1, x2); + const min = Math.min(x0, x1, x2); + if (max > 0.9 && min < 0.1) { + if (x0 < 0.2) + uvBuffer[i + 0] += 1; + if (x1 < 0.2) + uvBuffer[i + 2] += 1; + if (x2 < 0.2) + uvBuffer[i + 4] += 1; + } + } + } + function pushVertex(vertex2) { + vertexBuffer.push(vertex2.x, vertex2.y, vertex2.z); + } + function getVertexByIndex(index, vertex2) { + const stride = index * 3; + vertex2.x = vertices[stride + 0]; + vertex2.y = vertices[stride + 1]; + vertex2.z = vertices[stride + 2]; + } + function correctUVs() { + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + const centroid = new Vector3(); + const uvA = new Vector2(); + const uvB = new Vector2(); + const uvC = new Vector2(); + for (let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6) { + a.set(vertexBuffer[i + 0], vertexBuffer[i + 1], vertexBuffer[i + 2]); + b.set(vertexBuffer[i + 3], vertexBuffer[i + 4], vertexBuffer[i + 5]); + c.set(vertexBuffer[i + 6], vertexBuffer[i + 7], vertexBuffer[i + 8]); + uvA.set(uvBuffer[j + 0], uvBuffer[j + 1]); + uvB.set(uvBuffer[j + 2], uvBuffer[j + 3]); + uvC.set(uvBuffer[j + 4], uvBuffer[j + 5]); + centroid.copy(a).add(b).add(c).divideScalar(3); + const azi = azimuth(centroid); + correctUV(uvA, j + 0, a, azi); + correctUV(uvB, j + 2, b, azi); + correctUV(uvC, j + 4, c, azi); + } + } + function correctUV(uv, stride, vector, azimuth2) { + if (azimuth2 < 0 && uv.x === 1) { + uvBuffer[stride] = uv.x - 1; + } + if (vector.x === 0 && vector.z === 0) { + uvBuffer[stride] = azimuth2 / 2 / Math.PI + 0.5; + } + } + function azimuth(vector) { + return Math.atan2(vector.z, -vector.x); + } + function inclination(vector) { + return Math.atan2(-vector.y, Math.sqrt(vector.x * vector.x + vector.z * vector.z)); + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new PolyhedronGeometry(data.vertices, data.indices, data.radius, data.details); + } +} +class DodecahedronGeometry extends PolyhedronGeometry { + constructor(radius = 1, detail = 0) { + const t = (1 + Math.sqrt(5)) / 2; + const r = 1 / t; + const vertices = [ + // (±1, ±1, ±1) + -1, + -1, + -1, + -1, + -1, + 1, + -1, + 1, + -1, + -1, + 1, + 1, + 1, + -1, + -1, + 1, + -1, + 1, + 1, + 1, + -1, + 1, + 1, + 1, + // (0, ±1/φ, ±φ) + 0, + -r, + -t, + 0, + -r, + t, + 0, + r, + -t, + 0, + r, + t, + // (±1/φ, ±φ, 0) + -r, + -t, + 0, + -r, + t, + 0, + r, + -t, + 0, + r, + t, + 0, + // (±φ, 0, ±1/φ) + -t, + 0, + -r, + t, + 0, + -r, + -t, + 0, + r, + t, + 0, + r + ]; + const indices = [ + 3, + 11, + 7, + 3, + 7, + 15, + 3, + 15, + 13, + 7, + 19, + 17, + 7, + 17, + 6, + 7, + 6, + 15, + 17, + 4, + 8, + 17, + 8, + 10, + 17, + 10, + 6, + 8, + 0, + 16, + 8, + 16, + 2, + 8, + 2, + 10, + 0, + 12, + 1, + 0, + 1, + 18, + 0, + 18, + 16, + 6, + 10, + 2, + 6, + 2, + 13, + 6, + 13, + 15, + 2, + 16, + 18, + 2, + 18, + 3, + 2, + 3, + 13, + 18, + 1, + 9, + 18, + 9, + 11, + 18, + 11, + 3, + 4, + 14, + 12, + 4, + 12, + 0, + 4, + 0, + 8, + 11, + 9, + 5, + 11, + 5, + 19, + 11, + 19, + 7, + 19, + 5, + 14, + 19, + 14, + 4, + 19, + 4, + 17, + 1, + 12, + 14, + 1, + 14, + 5, + 1, + 5, + 9 + ]; + super(vertices, indices, radius, detail); + this.type = "DodecahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + static fromJSON(data) { + return new DodecahedronGeometry(data.radius, data.detail); + } +} +const _v0 = /* @__PURE__ */ new Vector3(); +const _v1$1 = /* @__PURE__ */ new Vector3(); +const _normal = /* @__PURE__ */ new Vector3(); +const _triangle = /* @__PURE__ */ new Triangle(); +class EdgesGeometry extends BufferGeometry { + constructor(geometry = null, thresholdAngle = 1) { + super(); + this.type = "EdgesGeometry"; + this.parameters = { + geometry, + thresholdAngle + }; + if (geometry !== null) { + const precisionPoints = 4; + const precision = Math.pow(10, precisionPoints); + const thresholdDot = Math.cos(DEG2RAD * thresholdAngle); + const indexAttr = geometry.getIndex(); + const positionAttr = geometry.getAttribute("position"); + const indexCount = indexAttr ? indexAttr.count : positionAttr.count; + const indexArr = [0, 0, 0]; + const vertKeys = ["a", "b", "c"]; + const hashes = new Array(3); + const edgeData = {}; + const vertices = []; + for (let i = 0; i < indexCount; i += 3) { + if (indexAttr) { + indexArr[0] = indexAttr.getX(i); + indexArr[1] = indexAttr.getX(i + 1); + indexArr[2] = indexAttr.getX(i + 2); + } else { + indexArr[0] = i; + indexArr[1] = i + 1; + indexArr[2] = i + 2; + } + const { a, b, c } = _triangle; + a.fromBufferAttribute(positionAttr, indexArr[0]); + b.fromBufferAttribute(positionAttr, indexArr[1]); + c.fromBufferAttribute(positionAttr, indexArr[2]); + _triangle.getNormal(_normal); + hashes[0] = `${Math.round(a.x * precision)},${Math.round(a.y * precision)},${Math.round(a.z * precision)}`; + hashes[1] = `${Math.round(b.x * precision)},${Math.round(b.y * precision)},${Math.round(b.z * precision)}`; + hashes[2] = `${Math.round(c.x * precision)},${Math.round(c.y * precision)},${Math.round(c.z * precision)}`; + if (hashes[0] === hashes[1] || hashes[1] === hashes[2] || hashes[2] === hashes[0]) { + continue; + } + for (let j = 0; j < 3; j++) { + const jNext = (j + 1) % 3; + const vecHash0 = hashes[j]; + const vecHash1 = hashes[jNext]; + const v0 = _triangle[vertKeys[j]]; + const v12 = _triangle[vertKeys[jNext]]; + const hash = `${vecHash0}_${vecHash1}`; + const reverseHash = `${vecHash1}_${vecHash0}`; + if (reverseHash in edgeData && edgeData[reverseHash]) { + if (_normal.dot(edgeData[reverseHash].normal) <= thresholdDot) { + vertices.push(v0.x, v0.y, v0.z); + vertices.push(v12.x, v12.y, v12.z); + } + edgeData[reverseHash] = null; + } else if (!(hash in edgeData)) { + edgeData[hash] = { + index0: indexArr[j], + index1: indexArr[jNext], + normal: _normal.clone() + }; + } + } + } + for (const key in edgeData) { + if (edgeData[key]) { + const { index0, index1 } = edgeData[key]; + _v0.fromBufferAttribute(positionAttr, index0); + _v1$1.fromBufferAttribute(positionAttr, index1); + vertices.push(_v0.x, _v0.y, _v0.z); + vertices.push(_v1$1.x, _v1$1.y, _v1$1.z); + } + } + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } +} +class Shape extends Path { + constructor(points) { + super(points); + this.uuid = generateUUID(); + this.type = "Shape"; + this.holes = []; + } + getPointsHoles(divisions) { + const holesPts = []; + for (let i = 0, l = this.holes.length; i < l; i++) { + holesPts[i] = this.holes[i].getPoints(divisions); + } + return holesPts; + } + // get points of shape and holes (keypoints based on segments parameter) + extractPoints(divisions) { + return { + shape: this.getPoints(divisions), + holes: this.getPointsHoles(divisions) + }; + } + copy(source) { + super.copy(source); + this.holes = []; + for (let i = 0, l = source.holes.length; i < l; i++) { + const hole = source.holes[i]; + this.holes.push(hole.clone()); + } + return this; + } + toJSON() { + const data = super.toJSON(); + data.uuid = this.uuid; + data.holes = []; + for (let i = 0, l = this.holes.length; i < l; i++) { + const hole = this.holes[i]; + data.holes.push(hole.toJSON()); + } + return data; + } + fromJSON(json) { + super.fromJSON(json); + this.uuid = json.uuid; + this.holes = []; + for (let i = 0, l = json.holes.length; i < l; i++) { + const hole = json.holes[i]; + this.holes.push(new Path().fromJSON(hole)); + } + return this; + } +} +const Earcut = { + triangulate: function(data, holeIndices, dim = 2) { + const hasHoles = holeIndices && holeIndices.length; + const outerLen = hasHoles ? holeIndices[0] * dim : data.length; + let outerNode = linkedList(data, 0, outerLen, dim, true); + const triangles = []; + if (!outerNode || outerNode.next === outerNode.prev) + return triangles; + let minX, minY, maxX, maxY, x, y, invSize; + if (hasHoles) + outerNode = eliminateHoles(data, holeIndices, outerNode, dim); + if (data.length > 80 * dim) { + minX = maxX = data[0]; + minY = maxY = data[1]; + for (let i = dim; i < outerLen; i += dim) { + x = data[i]; + y = data[i + 1]; + if (x < minX) + minX = x; + if (y < minY) + minY = y; + if (x > maxX) + maxX = x; + if (y > maxY) + maxY = y; + } + invSize = Math.max(maxX - minX, maxY - minY); + invSize = invSize !== 0 ? 32767 / invSize : 0; + } + earcutLinked(outerNode, triangles, dim, minX, minY, invSize, 0); + return triangles; + } +}; +function linkedList(data, start, end, dim, clockwise) { + let i, last; + if (clockwise === signedArea(data, start, end, dim) > 0) { + for (i = start; i < end; i += dim) + last = insertNode(i, data[i], data[i + 1], last); + } else { + for (i = end - dim; i >= start; i -= dim) + last = insertNode(i, data[i], data[i + 1], last); + } + if (last && equals(last, last.next)) { + removeNode(last); + last = last.next; + } + return last; +} +function filterPoints(start, end) { + if (!start) + return start; + if (!end) + end = start; + let p = start, again; + do { + again = false; + if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) { + removeNode(p); + p = end = p.prev; + if (p === p.next) + break; + again = true; + } else { + p = p.next; + } + } while (again || p !== end); + return end; +} +function earcutLinked(ear, triangles, dim, minX, minY, invSize, pass) { + if (!ear) + return; + if (!pass && invSize) + indexCurve(ear, minX, minY, invSize); + let stop = ear, prev, next; + while (ear.prev !== ear.next) { + prev = ear.prev; + next = ear.next; + if (invSize ? isEarHashed(ear, minX, minY, invSize) : isEar(ear)) { + triangles.push(prev.i / dim | 0); + triangles.push(ear.i / dim | 0); + triangles.push(next.i / dim | 0); + removeNode(ear); + ear = next.next; + stop = next.next; + continue; + } + ear = next; + if (ear === stop) { + if (!pass) { + earcutLinked(filterPoints(ear), triangles, dim, minX, minY, invSize, 1); + } else if (pass === 1) { + ear = cureLocalIntersections(filterPoints(ear), triangles, dim); + earcutLinked(ear, triangles, dim, minX, minY, invSize, 2); + } else if (pass === 2) { + splitEarcut(ear, triangles, dim, minX, minY, invSize); + } + break; + } + } +} +function isEar(ear) { + const a = ear.prev, b = ear, c = ear.next; + if (area(a, b, c) >= 0) + return false; + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + const x0 = ax < bx ? ax < cx ? ax : cx : bx < cx ? bx : cx, y0 = ay < by ? ay < cy ? ay : cy : by < cy ? by : cy, x1 = ax > bx ? ax > cx ? ax : cx : bx > cx ? bx : cx, y1 = ay > by ? ay > cy ? ay : cy : by > cy ? by : cy; + let p = c.next; + while (p !== a) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && pointInTriangle(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) + return false; + p = p.next; + } + return true; +} +function isEarHashed(ear, minX, minY, invSize) { + const a = ear.prev, b = ear, c = ear.next; + if (area(a, b, c) >= 0) + return false; + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + const x0 = ax < bx ? ax < cx ? ax : cx : bx < cx ? bx : cx, y0 = ay < by ? ay < cy ? ay : cy : by < cy ? by : cy, x1 = ax > bx ? ax > cx ? ax : cx : bx > cx ? bx : cx, y1 = ay > by ? ay > cy ? ay : cy : by > cy ? by : cy; + const minZ = zOrder(x0, y0, minX, minY, invSize), maxZ = zOrder(x1, y1, minX, minY, invSize); + let p = ear.prevZ, n = ear.nextZ; + while (p && p.z >= minZ && n && n.z <= maxZ) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && pointInTriangle(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) + return false; + p = p.prevZ; + if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && pointInTriangle(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) + return false; + n = n.nextZ; + } + while (p && p.z >= minZ) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && pointInTriangle(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) + return false; + p = p.prevZ; + } + while (n && n.z <= maxZ) { + if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && pointInTriangle(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) + return false; + n = n.nextZ; + } + return true; +} +function cureLocalIntersections(start, triangles, dim) { + let p = start; + do { + const a = p.prev, b = p.next.next; + if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) { + triangles.push(a.i / dim | 0); + triangles.push(p.i / dim | 0); + triangles.push(b.i / dim | 0); + removeNode(p); + removeNode(p.next); + p = start = b; + } + p = p.next; + } while (p !== start); + return filterPoints(p); +} +function splitEarcut(start, triangles, dim, minX, minY, invSize) { + let a = start; + do { + let b = a.next.next; + while (b !== a.prev) { + if (a.i !== b.i && isValidDiagonal(a, b)) { + let c = splitPolygon(a, b); + a = filterPoints(a, a.next); + c = filterPoints(c, c.next); + earcutLinked(a, triangles, dim, minX, minY, invSize, 0); + earcutLinked(c, triangles, dim, minX, minY, invSize, 0); + return; + } + b = b.next; + } + a = a.next; + } while (a !== start); +} +function eliminateHoles(data, holeIndices, outerNode, dim) { + const queue = []; + let i, len, start, end, list; + for (i = 0, len = holeIndices.length; i < len; i++) { + start = holeIndices[i] * dim; + end = i < len - 1 ? holeIndices[i + 1] * dim : data.length; + list = linkedList(data, start, end, dim, false); + if (list === list.next) + list.steiner = true; + queue.push(getLeftmost(list)); + } + queue.sort(compareX); + for (i = 0; i < queue.length; i++) { + outerNode = eliminateHole(queue[i], outerNode); + } + return outerNode; +} +function compareX(a, b) { + return a.x - b.x; +} +function eliminateHole(hole, outerNode) { + const bridge = findHoleBridge(hole, outerNode); + if (!bridge) { + return outerNode; + } + const bridgeReverse = splitPolygon(bridge, hole); + filterPoints(bridgeReverse, bridgeReverse.next); + return filterPoints(bridge, bridge.next); +} +function findHoleBridge(hole, outerNode) { + let p = outerNode, qx = -Infinity, m; + const hx = hole.x, hy = hole.y; + do { + if (hy <= p.y && hy >= p.next.y && p.next.y !== p.y) { + const x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y); + if (x <= hx && x > qx) { + qx = x; + m = p.x < p.next.x ? p : p.next; + if (x === hx) + return m; + } + } + p = p.next; + } while (p !== outerNode); + if (!m) + return null; + const stop = m, mx = m.x, my = m.y; + let tanMin = Infinity, tan; + p = m; + do { + if (hx >= p.x && p.x >= mx && hx !== p.x && pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) { + tan = Math.abs(hy - p.y) / (hx - p.x); + if (locallyInside(p, hole) && (tan < tanMin || tan === tanMin && (p.x > m.x || p.x === m.x && sectorContainsSector(m, p)))) { + m = p; + tanMin = tan; + } + } + p = p.next; + } while (p !== stop); + return m; +} +function sectorContainsSector(m, p) { + return area(m.prev, m, p.prev) < 0 && area(p.next, m, m.next) < 0; +} +function indexCurve(start, minX, minY, invSize) { + let p = start; + do { + if (p.z === 0) + p.z = zOrder(p.x, p.y, minX, minY, invSize); + p.prevZ = p.prev; + p.nextZ = p.next; + p = p.next; + } while (p !== start); + p.prevZ.nextZ = null; + p.prevZ = null; + sortLinked(p); +} +function sortLinked(list) { + let i, p, q, e, tail, numMerges, pSize, qSize, inSize = 1; + do { + p = list; + list = null; + tail = null; + numMerges = 0; + while (p) { + numMerges++; + q = p; + pSize = 0; + for (i = 0; i < inSize; i++) { + pSize++; + q = q.nextZ; + if (!q) + break; + } + qSize = inSize; + while (pSize > 0 || qSize > 0 && q) { + if (pSize !== 0 && (qSize === 0 || !q || p.z <= q.z)) { + e = p; + p = p.nextZ; + pSize--; + } else { + e = q; + q = q.nextZ; + qSize--; + } + if (tail) + tail.nextZ = e; + else + list = e; + e.prevZ = tail; + tail = e; + } + p = q; + } + tail.nextZ = null; + inSize *= 2; + } while (numMerges > 1); + return list; +} +function zOrder(x, y, minX, minY, invSize) { + x = (x - minX) * invSize | 0; + y = (y - minY) * invSize | 0; + x = (x | x << 8) & 16711935; + x = (x | x << 4) & 252645135; + x = (x | x << 2) & 858993459; + x = (x | x << 1) & 1431655765; + y = (y | y << 8) & 16711935; + y = (y | y << 4) & 252645135; + y = (y | y << 2) & 858993459; + y = (y | y << 1) & 1431655765; + return x | y << 1; +} +function getLeftmost(start) { + let p = start, leftmost = start; + do { + if (p.x < leftmost.x || p.x === leftmost.x && p.y < leftmost.y) + leftmost = p; + p = p.next; + } while (p !== start); + return leftmost; +} +function pointInTriangle(ax, ay, bx, by, cx, cy, px2, py2) { + return (cx - px2) * (ay - py2) >= (ax - px2) * (cy - py2) && (ax - px2) * (by - py2) >= (bx - px2) * (ay - py2) && (bx - px2) * (cy - py2) >= (cx - px2) * (by - py2); +} +function isValidDiagonal(a, b) { + return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && // dones't intersect other edges + (locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b) && // locally visible + (area(a.prev, a, b.prev) || area(a, b.prev, b)) || // does not create opposite-facing sectors + equals(a, b) && area(a.prev, a, a.next) > 0 && area(b.prev, b, b.next) > 0); +} +function area(p, q, r) { + return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y); +} +function equals(p1, p2) { + return p1.x === p2.x && p1.y === p2.y; +} +function intersects(p1, q1, p2, q2) { + const o1 = sign(area(p1, q1, p2)); + const o2 = sign(area(p1, q1, q2)); + const o3 = sign(area(p2, q2, p1)); + const o4 = sign(area(p2, q2, q1)); + if (o1 !== o2 && o3 !== o4) + return true; + if (o1 === 0 && onSegment(p1, p2, q1)) + return true; + if (o2 === 0 && onSegment(p1, q2, q1)) + return true; + if (o3 === 0 && onSegment(p2, p1, q2)) + return true; + if (o4 === 0 && onSegment(p2, q1, q2)) + return true; + return false; +} +function onSegment(p, q, r) { + return q.x <= Math.max(p.x, r.x) && q.x >= Math.min(p.x, r.x) && q.y <= Math.max(p.y, r.y) && q.y >= Math.min(p.y, r.y); +} +function sign(num) { + return num > 0 ? 1 : num < 0 ? -1 : 0; +} +function intersectsPolygon(a, b) { + let p = a; + do { + if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && intersects(p, p.next, a, b)) + return true; + p = p.next; + } while (p !== a); + return false; +} +function locallyInside(a, b) { + return area(a.prev, a, a.next) < 0 ? area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 : area(a, b, a.prev) < 0 || area(a, a.next, b) < 0; +} +function middleInside(a, b) { + let p = a, inside = false; + const px2 = (a.x + b.x) / 2, py2 = (a.y + b.y) / 2; + do { + if (p.y > py2 !== p.next.y > py2 && p.next.y !== p.y && px2 < (p.next.x - p.x) * (py2 - p.y) / (p.next.y - p.y) + p.x) + inside = !inside; + p = p.next; + } while (p !== a); + return inside; +} +function splitPolygon(a, b) { + const a2 = new Node(a.i, a.x, a.y), b2 = new Node(b.i, b.x, b.y), an = a.next, bp = b.prev; + a.next = b; + b.prev = a; + a2.next = an; + an.prev = a2; + b2.next = a2; + a2.prev = b2; + bp.next = b2; + b2.prev = bp; + return b2; +} +function insertNode(i, x, y, last) { + const p = new Node(i, x, y); + if (!last) { + p.prev = p; + p.next = p; + } else { + p.next = last.next; + p.prev = last; + last.next.prev = p; + last.next = p; + } + return p; +} +function removeNode(p) { + p.next.prev = p.prev; + p.prev.next = p.next; + if (p.prevZ) + p.prevZ.nextZ = p.nextZ; + if (p.nextZ) + p.nextZ.prevZ = p.prevZ; +} +function Node(i, x, y) { + this.i = i; + this.x = x; + this.y = y; + this.prev = null; + this.next = null; + this.z = 0; + this.prevZ = null; + this.nextZ = null; + this.steiner = false; +} +function signedArea(data, start, end, dim) { + let sum = 0; + for (let i = start, j = end - dim; i < end; i += dim) { + sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]); + j = i; + } + return sum; +} +class ShapeUtils { + // calculate area of the contour polygon + static area(contour) { + const n = contour.length; + let a = 0; + for (let p = n - 1, q = 0; q < n; p = q++) { + a += contour[p].x * contour[q].y - contour[q].x * contour[p].y; + } + return a * 0.5; + } + static isClockWise(pts) { + return ShapeUtils.area(pts) < 0; + } + static triangulateShape(contour, holes) { + const vertices = []; + const holeIndices = []; + const faces = []; + removeDupEndPts(contour); + addContour(vertices, contour); + let holeIndex = contour.length; + holes.forEach(removeDupEndPts); + for (let i = 0; i < holes.length; i++) { + holeIndices.push(holeIndex); + holeIndex += holes[i].length; + addContour(vertices, holes[i]); + } + const triangles = Earcut.triangulate(vertices, holeIndices); + for (let i = 0; i < triangles.length; i += 3) { + faces.push(triangles.slice(i, i + 3)); + } + return faces; + } +} +function removeDupEndPts(points) { + const l = points.length; + if (l > 2 && points[l - 1].equals(points[0])) { + points.pop(); + } +} +function addContour(vertices, contour) { + for (let i = 0; i < contour.length; i++) { + vertices.push(contour[i].x); + vertices.push(contour[i].y); + } +} +class ExtrudeGeometry extends BufferGeometry { + constructor(shapes = new Shape([new Vector2(0.5, 0.5), new Vector2(-0.5, 0.5), new Vector2(-0.5, -0.5), new Vector2(0.5, -0.5)]), options = {}) { + super(); + this.type = "ExtrudeGeometry"; + this.parameters = { + shapes, + options + }; + shapes = Array.isArray(shapes) ? shapes : [shapes]; + const scope = this; + const verticesArray = []; + const uvArray = []; + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + addShape(shape); + } + this.setAttribute("position", new Float32BufferAttribute(verticesArray, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvArray, 2)); + this.computeVertexNormals(); + function addShape(shape) { + const placeholder = []; + const curveSegments = options.curveSegments !== void 0 ? options.curveSegments : 12; + const steps = options.steps !== void 0 ? options.steps : 1; + const depth = options.depth !== void 0 ? options.depth : 1; + let bevelEnabled = options.bevelEnabled !== void 0 ? options.bevelEnabled : true; + let bevelThickness = options.bevelThickness !== void 0 ? options.bevelThickness : 0.2; + let bevelSize = options.bevelSize !== void 0 ? options.bevelSize : bevelThickness - 0.1; + let bevelOffset = options.bevelOffset !== void 0 ? options.bevelOffset : 0; + let bevelSegments = options.bevelSegments !== void 0 ? options.bevelSegments : 3; + const extrudePath = options.extrudePath; + const uvgen = options.UVGenerator !== void 0 ? options.UVGenerator : WorldUVGenerator; + let extrudePts, extrudeByPath = false; + let splineTube, binormal, normal, position2; + if (extrudePath) { + extrudePts = extrudePath.getSpacedPoints(steps); + extrudeByPath = true; + bevelEnabled = false; + splineTube = extrudePath.computeFrenetFrames(steps, false); + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + } + if (!bevelEnabled) { + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + bevelOffset = 0; + } + const shapePoints = shape.extractPoints(curveSegments); + let vertices = shapePoints.shape; + const holes = shapePoints.holes; + const reverse = !ShapeUtils.isClockWise(vertices); + if (reverse) { + vertices = vertices.reverse(); + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + if (ShapeUtils.isClockWise(ahole)) { + holes[h] = ahole.reverse(); + } + } + } + const faces = ShapeUtils.triangulateShape(vertices, holes); + const contour = vertices; + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + vertices = vertices.concat(ahole); + } + function scalePt2(pt, vec, size) { + if (!vec) + console.error("THREE.ExtrudeGeometry: vec does not exist"); + return pt.clone().addScaledVector(vec, size); + } + const vlen = vertices.length, flen = faces.length; + function getBevelVec(inPt, inPrev, inNext) { + let v_trans_x, v_trans_y, shrink_by; + const v_prev_x = inPt.x - inPrev.x, v_prev_y = inPt.y - inPrev.y; + const v_next_x = inNext.x - inPt.x, v_next_y = inNext.y - inPt.y; + const v_prev_lensq = v_prev_x * v_prev_x + v_prev_y * v_prev_y; + const collinear0 = v_prev_x * v_next_y - v_prev_y * v_next_x; + if (Math.abs(collinear0) > Number.EPSILON) { + const v_prev_len = Math.sqrt(v_prev_lensq); + const v_next_len = Math.sqrt(v_next_x * v_next_x + v_next_y * v_next_y); + const ptPrevShift_x = inPrev.x - v_prev_y / v_prev_len; + const ptPrevShift_y = inPrev.y + v_prev_x / v_prev_len; + const ptNextShift_x = inNext.x - v_next_y / v_next_len; + const ptNextShift_y = inNext.y + v_next_x / v_next_len; + const sf = ((ptNextShift_x - ptPrevShift_x) * v_next_y - (ptNextShift_y - ptPrevShift_y) * v_next_x) / (v_prev_x * v_next_y - v_prev_y * v_next_x); + v_trans_x = ptPrevShift_x + v_prev_x * sf - inPt.x; + v_trans_y = ptPrevShift_y + v_prev_y * sf - inPt.y; + const v_trans_lensq = v_trans_x * v_trans_x + v_trans_y * v_trans_y; + if (v_trans_lensq <= 2) { + return new Vector2(v_trans_x, v_trans_y); + } else { + shrink_by = Math.sqrt(v_trans_lensq / 2); + } + } else { + let direction_eq = false; + if (v_prev_x > Number.EPSILON) { + if (v_next_x > Number.EPSILON) { + direction_eq = true; + } + } else { + if (v_prev_x < -Number.EPSILON) { + if (v_next_x < -Number.EPSILON) { + direction_eq = true; + } + } else { + if (Math.sign(v_prev_y) === Math.sign(v_next_y)) { + direction_eq = true; + } + } + } + if (direction_eq) { + v_trans_x = -v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt(v_prev_lensq); + } else { + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt(v_prev_lensq / 2); + } + } + return new Vector2(v_trans_x / shrink_by, v_trans_y / shrink_by); + } + const contourMovements = []; + for (let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i++, j++, k++) { + if (j === il) + j = 0; + if (k === il) + k = 0; + contourMovements[i] = getBevelVec(contour[i], contour[j], contour[k]); + } + const holesMovements = []; + let oneHoleMovements, verticesMovements = contourMovements.concat(); + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + oneHoleMovements = []; + for (let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i++, j++, k++) { + if (j === il) + j = 0; + if (k === il) + k = 0; + oneHoleMovements[i] = getBevelVec(ahole[i], ahole[j], ahole[k]); + } + holesMovements.push(oneHoleMovements); + verticesMovements = verticesMovements.concat(oneHoleMovements); + } + for (let b = 0; b < bevelSegments; b++) { + const t = b / bevelSegments; + const z = bevelThickness * Math.cos(t * Math.PI / 2); + const bs2 = bevelSize * Math.sin(t * Math.PI / 2) + bevelOffset; + for (let i = 0, il = contour.length; i < il; i++) { + const vert = scalePt2(contour[i], contourMovements[i], bs2); + v(vert.x, vert.y, -z); + } + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + oneHoleMovements = holesMovements[h]; + for (let i = 0, il = ahole.length; i < il; i++) { + const vert = scalePt2(ahole[i], oneHoleMovements[i], bs2); + v(vert.x, vert.y, -z); + } + } + } + const bs = bevelSize + bevelOffset; + for (let i = 0; i < vlen; i++) { + const vert = bevelEnabled ? scalePt2(vertices[i], verticesMovements[i], bs) : vertices[i]; + if (!extrudeByPath) { + v(vert.x, vert.y, 0); + } else { + normal.copy(splineTube.normals[0]).multiplyScalar(vert.x); + binormal.copy(splineTube.binormals[0]).multiplyScalar(vert.y); + position2.copy(extrudePts[0]).add(normal).add(binormal); + v(position2.x, position2.y, position2.z); + } + } + for (let s = 1; s <= steps; s++) { + for (let i = 0; i < vlen; i++) { + const vert = bevelEnabled ? scalePt2(vertices[i], verticesMovements[i], bs) : vertices[i]; + if (!extrudeByPath) { + v(vert.x, vert.y, depth / steps * s); + } else { + normal.copy(splineTube.normals[s]).multiplyScalar(vert.x); + binormal.copy(splineTube.binormals[s]).multiplyScalar(vert.y); + position2.copy(extrudePts[s]).add(normal).add(binormal); + v(position2.x, position2.y, position2.z); + } + } + } + for (let b = bevelSegments - 1; b >= 0; b--) { + const t = b / bevelSegments; + const z = bevelThickness * Math.cos(t * Math.PI / 2); + const bs2 = bevelSize * Math.sin(t * Math.PI / 2) + bevelOffset; + for (let i = 0, il = contour.length; i < il; i++) { + const vert = scalePt2(contour[i], contourMovements[i], bs2); + v(vert.x, vert.y, depth + z); + } + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + oneHoleMovements = holesMovements[h]; + for (let i = 0, il = ahole.length; i < il; i++) { + const vert = scalePt2(ahole[i], oneHoleMovements[i], bs2); + if (!extrudeByPath) { + v(vert.x, vert.y, depth + z); + } else { + v(vert.x, vert.y + extrudePts[steps - 1].y, extrudePts[steps - 1].x + z); + } + } + } + } + buildLidFaces(); + buildSideFaces(); + function buildLidFaces() { + const start = verticesArray.length / 3; + if (bevelEnabled) { + let layer = 0; + let offset = vlen * layer; + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[2] + offset, face[1] + offset, face[0] + offset); + } + layer = steps + bevelSegments * 2; + offset = vlen * layer; + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[0] + offset, face[1] + offset, face[2] + offset); + } + } else { + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[2], face[1], face[0]); + } + for (let i = 0; i < flen; i++) { + const face = faces[i]; + f3(face[0] + vlen * steps, face[1] + vlen * steps, face[2] + vlen * steps); + } + } + scope.addGroup(start, verticesArray.length / 3 - start, 0); + } + function buildSideFaces() { + const start = verticesArray.length / 3; + let layeroffset = 0; + sidewalls(contour, layeroffset); + layeroffset += contour.length; + for (let h = 0, hl = holes.length; h < hl; h++) { + const ahole = holes[h]; + sidewalls(ahole, layeroffset); + layeroffset += ahole.length; + } + scope.addGroup(start, verticesArray.length / 3 - start, 1); + } + function sidewalls(contour2, layeroffset) { + let i = contour2.length; + while (--i >= 0) { + const j = i; + let k = i - 1; + if (k < 0) + k = contour2.length - 1; + for (let s = 0, sl = steps + bevelSegments * 2; s < sl; s++) { + const slen1 = vlen * s; + const slen2 = vlen * (s + 1); + const a = layeroffset + j + slen1, b = layeroffset + k + slen1, c = layeroffset + k + slen2, d = layeroffset + j + slen2; + f4(a, b, c, d); + } + } + } + function v(x, y, z) { + placeholder.push(x); + placeholder.push(y); + placeholder.push(z); + } + function f3(a, b, c) { + addVertex(a); + addVertex(b); + addVertex(c); + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateTopUV(scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1); + addUV(uvs[0]); + addUV(uvs[1]); + addUV(uvs[2]); + } + function f4(a, b, c, d) { + addVertex(a); + addVertex(b); + addVertex(d); + addVertex(b); + addVertex(c); + addVertex(d); + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateSideWallUV(scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1); + addUV(uvs[0]); + addUV(uvs[1]); + addUV(uvs[3]); + addUV(uvs[1]); + addUV(uvs[2]); + addUV(uvs[3]); + } + function addVertex(index) { + verticesArray.push(placeholder[index * 3 + 0]); + verticesArray.push(placeholder[index * 3 + 1]); + verticesArray.push(placeholder[index * 3 + 2]); + } + function addUV(vector2) { + uvArray.push(vector2.x); + uvArray.push(vector2.y); + } + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + toJSON() { + const data = super.toJSON(); + const shapes = this.parameters.shapes; + const options = this.parameters.options; + return toJSON$1(shapes, options, data); + } + static fromJSON(data, shapes) { + const geometryShapes = []; + for (let j = 0, jl = data.shapes.length; j < jl; j++) { + const shape = shapes[data.shapes[j]]; + geometryShapes.push(shape); + } + const extrudePath = data.options.extrudePath; + if (extrudePath !== void 0) { + data.options.extrudePath = new Curves[extrudePath.type]().fromJSON(extrudePath); + } + return new ExtrudeGeometry(geometryShapes, data.options); + } +} +const WorldUVGenerator = { + generateTopUV: function(geometry, vertices, indexA, indexB, indexC) { + const a_x = vertices[indexA * 3]; + const a_y = vertices[indexA * 3 + 1]; + const b_x = vertices[indexB * 3]; + const b_y = vertices[indexB * 3 + 1]; + const c_x = vertices[indexC * 3]; + const c_y = vertices[indexC * 3 + 1]; + return [ + new Vector2(a_x, a_y), + new Vector2(b_x, b_y), + new Vector2(c_x, c_y) + ]; + }, + generateSideWallUV: function(geometry, vertices, indexA, indexB, indexC, indexD) { + const a_x = vertices[indexA * 3]; + const a_y = vertices[indexA * 3 + 1]; + const a_z = vertices[indexA * 3 + 2]; + const b_x = vertices[indexB * 3]; + const b_y = vertices[indexB * 3 + 1]; + const b_z = vertices[indexB * 3 + 2]; + const c_x = vertices[indexC * 3]; + const c_y = vertices[indexC * 3 + 1]; + const c_z = vertices[indexC * 3 + 2]; + const d_x = vertices[indexD * 3]; + const d_y = vertices[indexD * 3 + 1]; + const d_z = vertices[indexD * 3 + 2]; + if (Math.abs(a_y - b_y) < Math.abs(a_x - b_x)) { + return [ + new Vector2(a_x, 1 - a_z), + new Vector2(b_x, 1 - b_z), + new Vector2(c_x, 1 - c_z), + new Vector2(d_x, 1 - d_z) + ]; + } else { + return [ + new Vector2(a_y, 1 - a_z), + new Vector2(b_y, 1 - b_z), + new Vector2(c_y, 1 - c_z), + new Vector2(d_y, 1 - d_z) + ]; + } + } +}; +function toJSON$1(shapes, options, data) { + data.shapes = []; + if (Array.isArray(shapes)) { + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + data.shapes.push(shape.uuid); + } + } else { + data.shapes.push(shapes.uuid); + } + data.options = Object.assign({}, options); + if (options.extrudePath !== void 0) + data.options.extrudePath = options.extrudePath.toJSON(); + return data; +} +class IcosahedronGeometry extends PolyhedronGeometry { + constructor(radius = 1, detail = 0) { + const t = (1 + Math.sqrt(5)) / 2; + const vertices = [ + -1, + t, + 0, + 1, + t, + 0, + -1, + -t, + 0, + 1, + -t, + 0, + 0, + -1, + t, + 0, + 1, + t, + 0, + -1, + -t, + 0, + 1, + -t, + t, + 0, + -1, + t, + 0, + 1, + -t, + 0, + -1, + -t, + 0, + 1 + ]; + const indices = [ + 0, + 11, + 5, + 0, + 5, + 1, + 0, + 1, + 7, + 0, + 7, + 10, + 0, + 10, + 11, + 1, + 5, + 9, + 5, + 11, + 4, + 11, + 10, + 2, + 10, + 7, + 6, + 7, + 1, + 8, + 3, + 9, + 4, + 3, + 4, + 2, + 3, + 2, + 6, + 3, + 6, + 8, + 3, + 8, + 9, + 4, + 9, + 5, + 2, + 4, + 11, + 6, + 2, + 10, + 8, + 6, + 7, + 9, + 8, + 1 + ]; + super(vertices, indices, radius, detail); + this.type = "IcosahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + static fromJSON(data) { + return new IcosahedronGeometry(data.radius, data.detail); + } +} +class OctahedronGeometry extends PolyhedronGeometry { + constructor(radius = 1, detail = 0) { + const vertices = [ + 1, + 0, + 0, + -1, + 0, + 0, + 0, + 1, + 0, + 0, + -1, + 0, + 0, + 0, + 1, + 0, + 0, + -1 + ]; + const indices = [ + 0, + 2, + 4, + 0, + 4, + 3, + 0, + 3, + 5, + 0, + 5, + 2, + 1, + 2, + 5, + 1, + 5, + 3, + 1, + 3, + 4, + 1, + 4, + 2 + ]; + super(vertices, indices, radius, detail); + this.type = "OctahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + static fromJSON(data) { + return new OctahedronGeometry(data.radius, data.detail); + } +} +class RingGeometry extends BufferGeometry { + constructor(innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2) { + super(); + this.type = "RingGeometry"; + this.parameters = { + innerRadius, + outerRadius, + thetaSegments, + phiSegments, + thetaStart, + thetaLength + }; + thetaSegments = Math.max(3, thetaSegments); + phiSegments = Math.max(1, phiSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let radius = innerRadius; + const radiusStep = (outerRadius - innerRadius) / phiSegments; + const vertex2 = new Vector3(); + const uv = new Vector2(); + for (let j = 0; j <= phiSegments; j++) { + for (let i = 0; i <= thetaSegments; i++) { + const segment = thetaStart + i / thetaSegments * thetaLength; + vertex2.x = radius * Math.cos(segment); + vertex2.y = radius * Math.sin(segment); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normals.push(0, 0, 1); + uv.x = (vertex2.x / outerRadius + 1) / 2; + uv.y = (vertex2.y / outerRadius + 1) / 2; + uvs.push(uv.x, uv.y); + } + radius += radiusStep; + } + for (let j = 0; j < phiSegments; j++) { + const thetaSegmentLevel = j * (thetaSegments + 1); + for (let i = 0; i < thetaSegments; i++) { + const segment = i + thetaSegmentLevel; + const a = segment; + const b = segment + thetaSegments + 1; + const c = segment + thetaSegments + 2; + const d = segment + 1; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new RingGeometry(data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength); + } +} +class ShapeGeometry extends BufferGeometry { + constructor(shapes = new Shape([new Vector2(0, 0.5), new Vector2(-0.5, -0.5), new Vector2(0.5, -0.5)]), curveSegments = 12) { + super(); + this.type = "ShapeGeometry"; + this.parameters = { + shapes, + curveSegments + }; + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let groupStart = 0; + let groupCount = 0; + if (Array.isArray(shapes) === false) { + addShape(shapes); + } else { + for (let i = 0; i < shapes.length; i++) { + addShape(shapes[i]); + this.addGroup(groupStart, groupCount, i); + groupStart += groupCount; + groupCount = 0; + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function addShape(shape) { + const indexOffset = vertices.length / 3; + const points = shape.extractPoints(curveSegments); + let shapeVertices = points.shape; + const shapeHoles = points.holes; + if (ShapeUtils.isClockWise(shapeVertices) === false) { + shapeVertices = shapeVertices.reverse(); + } + for (let i = 0, l = shapeHoles.length; i < l; i++) { + const shapeHole = shapeHoles[i]; + if (ShapeUtils.isClockWise(shapeHole) === true) { + shapeHoles[i] = shapeHole.reverse(); + } + } + const faces = ShapeUtils.triangulateShape(shapeVertices, shapeHoles); + for (let i = 0, l = shapeHoles.length; i < l; i++) { + const shapeHole = shapeHoles[i]; + shapeVertices = shapeVertices.concat(shapeHole); + } + for (let i = 0, l = shapeVertices.length; i < l; i++) { + const vertex2 = shapeVertices[i]; + vertices.push(vertex2.x, vertex2.y, 0); + normals.push(0, 0, 1); + uvs.push(vertex2.x, vertex2.y); + } + for (let i = 0, l = faces.length; i < l; i++) { + const face = faces[i]; + const a = face[0] + indexOffset; + const b = face[1] + indexOffset; + const c = face[2] + indexOffset; + indices.push(a, b, c); + groupCount += 3; + } + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + toJSON() { + const data = super.toJSON(); + const shapes = this.parameters.shapes; + return toJSON(shapes, data); + } + static fromJSON(data, shapes) { + const geometryShapes = []; + for (let j = 0, jl = data.shapes.length; j < jl; j++) { + const shape = shapes[data.shapes[j]]; + geometryShapes.push(shape); + } + return new ShapeGeometry(geometryShapes, data.curveSegments); + } +} +function toJSON(shapes, data) { + data.shapes = []; + if (Array.isArray(shapes)) { + for (let i = 0, l = shapes.length; i < l; i++) { + const shape = shapes[i]; + data.shapes.push(shape.uuid); + } + } else { + data.shapes.push(shapes.uuid); + } + return data; +} +class SphereGeometry extends BufferGeometry { + constructor(radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI) { + super(); + this.type = "SphereGeometry"; + this.parameters = { + radius, + widthSegments, + heightSegments, + phiStart, + phiLength, + thetaStart, + thetaLength + }; + widthSegments = Math.max(3, Math.floor(widthSegments)); + heightSegments = Math.max(2, Math.floor(heightSegments)); + const thetaEnd = Math.min(thetaStart + thetaLength, Math.PI); + let index = 0; + const grid = []; + const vertex2 = new Vector3(); + const normal = new Vector3(); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + for (let iy = 0; iy <= heightSegments; iy++) { + const verticesRow = []; + const v = iy / heightSegments; + let uOffset = 0; + if (iy === 0 && thetaStart === 0) { + uOffset = 0.5 / widthSegments; + } else if (iy === heightSegments && thetaEnd === Math.PI) { + uOffset = -0.5 / widthSegments; + } + for (let ix = 0; ix <= widthSegments; ix++) { + const u = ix / widthSegments; + vertex2.x = -radius * Math.cos(phiStart + u * phiLength) * Math.sin(thetaStart + v * thetaLength); + vertex2.y = radius * Math.cos(thetaStart + v * thetaLength); + vertex2.z = radius * Math.sin(phiStart + u * phiLength) * Math.sin(thetaStart + v * thetaLength); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.copy(vertex2).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(u + uOffset, 1 - v); + verticesRow.push(index++); + } + grid.push(verticesRow); + } + for (let iy = 0; iy < heightSegments; iy++) { + for (let ix = 0; ix < widthSegments; ix++) { + const a = grid[iy][ix + 1]; + const b = grid[iy][ix]; + const c = grid[iy + 1][ix]; + const d = grid[iy + 1][ix + 1]; + if (iy !== 0 || thetaStart > 0) + indices.push(a, b, d); + if (iy !== heightSegments - 1 || thetaEnd < Math.PI) + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new SphereGeometry(data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength); + } +} +class TetrahedronGeometry extends PolyhedronGeometry { + constructor(radius = 1, detail = 0) { + const vertices = [ + 1, + 1, + 1, + -1, + -1, + 1, + -1, + 1, + -1, + 1, + -1, + -1 + ]; + const indices = [ + 2, + 1, + 0, + 0, + 3, + 2, + 1, + 3, + 0, + 2, + 3, + 1 + ]; + super(vertices, indices, radius, detail); + this.type = "TetrahedronGeometry"; + this.parameters = { + radius, + detail + }; + } + static fromJSON(data) { + return new TetrahedronGeometry(data.radius, data.detail); + } +} +class TorusGeometry extends BufferGeometry { + constructor(radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2) { + super(); + this.type = "TorusGeometry"; + this.parameters = { + radius, + tube, + radialSegments, + tubularSegments, + arc + }; + radialSegments = Math.floor(radialSegments); + tubularSegments = Math.floor(tubularSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const center = new Vector3(); + const vertex2 = new Vector3(); + const normal = new Vector3(); + for (let j = 0; j <= radialSegments; j++) { + for (let i = 0; i <= tubularSegments; i++) { + const u = i / tubularSegments * arc; + const v = j / radialSegments * Math.PI * 2; + vertex2.x = (radius + tube * Math.cos(v)) * Math.cos(u); + vertex2.y = (radius + tube * Math.cos(v)) * Math.sin(u); + vertex2.z = tube * Math.sin(v); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + center.x = radius * Math.cos(u); + center.y = radius * Math.sin(u); + normal.subVectors(vertex2, center).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(i / tubularSegments); + uvs.push(j / radialSegments); + } + } + for (let j = 1; j <= radialSegments; j++) { + for (let i = 1; i <= tubularSegments; i++) { + const a = (tubularSegments + 1) * j + i - 1; + const b = (tubularSegments + 1) * (j - 1) + i - 1; + const c = (tubularSegments + 1) * (j - 1) + i; + const d = (tubularSegments + 1) * j + i; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new TorusGeometry(data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc); + } +} +class TorusKnotGeometry extends BufferGeometry { + constructor(radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3) { + super(); + this.type = "TorusKnotGeometry"; + this.parameters = { + radius, + tube, + tubularSegments, + radialSegments, + p, + q + }; + tubularSegments = Math.floor(tubularSegments); + radialSegments = Math.floor(radialSegments); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const vertex2 = new Vector3(); + const normal = new Vector3(); + const P1 = new Vector3(); + const P2 = new Vector3(); + const B = new Vector3(); + const T2 = new Vector3(); + const N = new Vector3(); + for (let i = 0; i <= tubularSegments; ++i) { + const u = i / tubularSegments * p * Math.PI * 2; + calculatePositionOnCurve(u, p, q, radius, P1); + calculatePositionOnCurve(u + 0.01, p, q, radius, P2); + T2.subVectors(P2, P1); + N.addVectors(P2, P1); + B.crossVectors(T2, N); + N.crossVectors(B, T2); + B.normalize(); + N.normalize(); + for (let j = 0; j <= radialSegments; ++j) { + const v = j / radialSegments * Math.PI * 2; + const cx = -tube * Math.cos(v); + const cy = tube * Math.sin(v); + vertex2.x = P1.x + (cx * N.x + cy * B.x); + vertex2.y = P1.y + (cx * N.y + cy * B.y); + vertex2.z = P1.z + (cx * N.z + cy * B.z); + vertices.push(vertex2.x, vertex2.y, vertex2.z); + normal.subVectors(vertex2, P1).normalize(); + normals.push(normal.x, normal.y, normal.z); + uvs.push(i / tubularSegments); + uvs.push(j / radialSegments); + } + } + for (let j = 1; j <= tubularSegments; j++) { + for (let i = 1; i <= radialSegments; i++) { + const a = (radialSegments + 1) * (j - 1) + (i - 1); + const b = (radialSegments + 1) * j + (i - 1); + const c = (radialSegments + 1) * j + i; + const d = (radialSegments + 1) * (j - 1) + i; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function calculatePositionOnCurve(u, p2, q2, radius2, position) { + const cu = Math.cos(u); + const su = Math.sin(u); + const quOverP = q2 / p2 * u; + const cs = Math.cos(quOverP); + position.x = radius2 * (2 + cs) * 0.5 * cu; + position.y = radius2 * (2 + cs) * su * 0.5; + position.z = radius2 * Math.sin(quOverP) * 0.5; + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + static fromJSON(data) { + return new TorusKnotGeometry(data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q); + } +} +class TubeGeometry extends BufferGeometry { + constructor(path = new QuadraticBezierCurve3(new Vector3(-1, -1, 0), new Vector3(-1, 1, 0), new Vector3(1, 1, 0)), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false) { + super(); + this.type = "TubeGeometry"; + this.parameters = { + path, + tubularSegments, + radius, + radialSegments, + closed + }; + const frames = path.computeFrenetFrames(tubularSegments, closed); + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + const vertex2 = new Vector3(); + const normal = new Vector3(); + const uv = new Vector2(); + let P = new Vector3(); + const vertices = []; + const normals = []; + const uvs = []; + const indices = []; + generateBufferData(); + this.setIndex(indices); + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + this.setAttribute("normal", new Float32BufferAttribute(normals, 3)); + this.setAttribute("uv", new Float32BufferAttribute(uvs, 2)); + function generateBufferData() { + for (let i = 0; i < tubularSegments; i++) { + generateSegment(i); + } + generateSegment(closed === false ? tubularSegments : 0); + generateUVs(); + generateIndices(); + } + function generateSegment(i) { + P = path.getPointAt(i / tubularSegments, P); + const N = frames.normals[i]; + const B = frames.binormals[i]; + for (let j = 0; j <= radialSegments; j++) { + const v = j / radialSegments * Math.PI * 2; + const sin = Math.sin(v); + const cos = -Math.cos(v); + normal.x = cos * N.x + sin * B.x; + normal.y = cos * N.y + sin * B.y; + normal.z = cos * N.z + sin * B.z; + normal.normalize(); + normals.push(normal.x, normal.y, normal.z); + vertex2.x = P.x + radius * normal.x; + vertex2.y = P.y + radius * normal.y; + vertex2.z = P.z + radius * normal.z; + vertices.push(vertex2.x, vertex2.y, vertex2.z); + } + } + function generateIndices() { + for (let j = 1; j <= tubularSegments; j++) { + for (let i = 1; i <= radialSegments; i++) { + const a = (radialSegments + 1) * (j - 1) + (i - 1); + const b = (radialSegments + 1) * j + (i - 1); + const c = (radialSegments + 1) * j + i; + const d = (radialSegments + 1) * (j - 1) + i; + indices.push(a, b, d); + indices.push(b, c, d); + } + } + } + function generateUVs() { + for (let i = 0; i <= tubularSegments; i++) { + for (let j = 0; j <= radialSegments; j++) { + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + uvs.push(uv.x, uv.y); + } + } + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } + toJSON() { + const data = super.toJSON(); + data.path = this.parameters.path.toJSON(); + return data; + } + static fromJSON(data) { + return new TubeGeometry( + new Curves[data.path.type]().fromJSON(data.path), + data.tubularSegments, + data.radius, + data.radialSegments, + data.closed + ); + } +} +class WireframeGeometry extends BufferGeometry { + constructor(geometry = null) { + super(); + this.type = "WireframeGeometry"; + this.parameters = { + geometry + }; + if (geometry !== null) { + const vertices = []; + const edges = /* @__PURE__ */ new Set(); + const start = new Vector3(); + const end = new Vector3(); + if (geometry.index !== null) { + const position = geometry.attributes.position; + const indices = geometry.index; + let groups = geometry.groups; + if (groups.length === 0) { + groups = [{ start: 0, count: indices.count, materialIndex: 0 }]; + } + for (let o = 0, ol = groups.length; o < ol; ++o) { + const group = groups[o]; + const groupStart = group.start; + const groupCount = group.count; + for (let i = groupStart, l = groupStart + groupCount; i < l; i += 3) { + for (let j = 0; j < 3; j++) { + const index1 = indices.getX(i + j); + const index2 = indices.getX(i + (j + 1) % 3); + start.fromBufferAttribute(position, index1); + end.fromBufferAttribute(position, index2); + if (isUniqueEdge(start, end, edges) === true) { + vertices.push(start.x, start.y, start.z); + vertices.push(end.x, end.y, end.z); + } + } + } + } + } else { + const position = geometry.attributes.position; + for (let i = 0, l = position.count / 3; i < l; i++) { + for (let j = 0; j < 3; j++) { + const index1 = 3 * i + j; + const index2 = 3 * i + (j + 1) % 3; + start.fromBufferAttribute(position, index1); + end.fromBufferAttribute(position, index2); + if (isUniqueEdge(start, end, edges) === true) { + vertices.push(start.x, start.y, start.z); + vertices.push(end.x, end.y, end.z); + } + } + } + } + this.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + } + } + copy(source) { + super.copy(source); + this.parameters = Object.assign({}, source.parameters); + return this; + } +} +function isUniqueEdge(start, end, edges) { + const hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`; + const hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; + if (edges.has(hash1) === true || edges.has(hash2) === true) { + return false; + } else { + edges.add(hash1); + edges.add(hash2); + return true; + } +} +var Geometries = /* @__PURE__ */ Object.freeze({ + __proto__: null, + BoxGeometry, + CapsuleGeometry, + CircleGeometry, + ConeGeometry, + CylinderGeometry, + DodecahedronGeometry, + EdgesGeometry, + ExtrudeGeometry, + IcosahedronGeometry, + LatheGeometry, + OctahedronGeometry, + PlaneGeometry, + PolyhedronGeometry, + RingGeometry, + ShapeGeometry, + SphereGeometry, + TetrahedronGeometry, + TorusGeometry, + TorusKnotGeometry, + TubeGeometry, + WireframeGeometry +}); +class ShadowMaterial extends Material { + constructor(parameters) { + super(); + this.isShadowMaterial = true; + this.type = "ShadowMaterial"; + this.color = new Color(0); + this.transparent = true; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.fog = source.fog; + return this; + } +} +class RawShaderMaterial extends ShaderMaterial { + constructor(parameters) { + super(parameters); + this.isRawShaderMaterial = true; + this.type = "RawShaderMaterial"; + } +} +class MeshStandardMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshStandardMaterial = true; + this.defines = { "STANDARD": "" }; + this.type = "MeshStandardMaterial"; + this.color = new Color(16777215); + this.roughness = 1; + this.metalness = 0; + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.roughnessMap = null; + this.metalnessMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapIntensity = 1; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.defines = { "STANDARD": "" }; + this.color.copy(source.color); + this.roughness = source.roughness; + this.metalness = source.metalness; + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.roughnessMap = source.roughnessMap; + this.metalnessMap = source.metalnessMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapIntensity = source.envMapIntensity; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +} +class MeshPhysicalMaterial extends MeshStandardMaterial { + constructor(parameters) { + super(); + this.isMeshPhysicalMaterial = true; + this.defines = { + "STANDARD": "", + "PHYSICAL": "" + }; + this.type = "MeshPhysicalMaterial"; + this.anisotropyRotation = 0; + this.anisotropyMap = null; + this.clearcoatMap = null; + this.clearcoatRoughness = 0; + this.clearcoatRoughnessMap = null; + this.clearcoatNormalScale = new Vector2(1, 1); + this.clearcoatNormalMap = null; + this.ior = 1.5; + Object.defineProperty(this, "reflectivity", { + get: function() { + return clamp(2.5 * (this.ior - 1) / (this.ior + 1), 0, 1); + }, + set: function(reflectivity) { + this.ior = (1 + 0.4 * reflectivity) / (1 - 0.4 * reflectivity); + } + }); + this.iridescenceMap = null; + this.iridescenceIOR = 1.3; + this.iridescenceThicknessRange = [100, 400]; + this.iridescenceThicknessMap = null; + this.sheenColor = new Color(0); + this.sheenColorMap = null; + this.sheenRoughness = 1; + this.sheenRoughnessMap = null; + this.transmissionMap = null; + this.thickness = 0; + this.thicknessMap = null; + this.attenuationDistance = Infinity; + this.attenuationColor = new Color(1, 1, 1); + this.specularIntensity = 1; + this.specularIntensityMap = null; + this.specularColor = new Color(1, 1, 1); + this.specularColorMap = null; + this._anisotropy = 0; + this._clearcoat = 0; + this._iridescence = 0; + this._sheen = 0; + this._transmission = 0; + this.setValues(parameters); + } + get anisotropy() { + return this._anisotropy; + } + set anisotropy(value) { + if (this._anisotropy > 0 !== value > 0) { + this.version++; + } + this._anisotropy = value; + } + get clearcoat() { + return this._clearcoat; + } + set clearcoat(value) { + if (this._clearcoat > 0 !== value > 0) { + this.version++; + } + this._clearcoat = value; + } + get iridescence() { + return this._iridescence; + } + set iridescence(value) { + if (this._iridescence > 0 !== value > 0) { + this.version++; + } + this._iridescence = value; + } + get sheen() { + return this._sheen; + } + set sheen(value) { + if (this._sheen > 0 !== value > 0) { + this.version++; + } + this._sheen = value; + } + get transmission() { + return this._transmission; + } + set transmission(value) { + if (this._transmission > 0 !== value > 0) { + this.version++; + } + this._transmission = value; + } + copy(source) { + super.copy(source); + this.defines = { + "STANDARD": "", + "PHYSICAL": "" + }; + this.anisotropy = source.anisotropy; + this.anisotropyRotation = source.anisotropyRotation; + this.anisotropyMap = source.anisotropyMap; + this.clearcoat = source.clearcoat; + this.clearcoatMap = source.clearcoatMap; + this.clearcoatRoughness = source.clearcoatRoughness; + this.clearcoatRoughnessMap = source.clearcoatRoughnessMap; + this.clearcoatNormalMap = source.clearcoatNormalMap; + this.clearcoatNormalScale.copy(source.clearcoatNormalScale); + this.ior = source.ior; + this.iridescence = source.iridescence; + this.iridescenceMap = source.iridescenceMap; + this.iridescenceIOR = source.iridescenceIOR; + this.iridescenceThicknessRange = [...source.iridescenceThicknessRange]; + this.iridescenceThicknessMap = source.iridescenceThicknessMap; + this.sheen = source.sheen; + this.sheenColor.copy(source.sheenColor); + this.sheenColorMap = source.sheenColorMap; + this.sheenRoughness = source.sheenRoughness; + this.sheenRoughnessMap = source.sheenRoughnessMap; + this.transmission = source.transmission; + this.transmissionMap = source.transmissionMap; + this.thickness = source.thickness; + this.thicknessMap = source.thicknessMap; + this.attenuationDistance = source.attenuationDistance; + this.attenuationColor.copy(source.attenuationColor); + this.specularIntensity = source.specularIntensity; + this.specularIntensityMap = source.specularIntensityMap; + this.specularColor.copy(source.specularColor); + this.specularColorMap = source.specularColorMap; + return this; + } +} +class MeshPhongMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshPhongMaterial = true; + this.type = "MeshPhongMaterial"; + this.color = new Color(16777215); + this.specular = new Color(1118481); + this.shininess = 30; + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.specular.copy(source.specular); + this.shininess = source.shininess; + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +} +class MeshToonMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshToonMaterial = true; + this.defines = { "TOON": "" }; + this.type = "MeshToonMaterial"; + this.color = new Color(16777215); + this.map = null; + this.gradientMap = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.alphaMap = null; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.gradientMap = source.gradientMap; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.alphaMap = source.alphaMap; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.fog = source.fog; + return this; + } +} +class MeshNormalMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshNormalMaterial = true; + this.type = "MeshNormalMaterial"; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.flatShading = false; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.flatShading = source.flatShading; + return this; + } +} +class MeshLambertMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshLambertMaterial = true; + this.type = "MeshLambertMaterial"; + this.color = new Color(16777215); + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1; + this.aoMap = null; + this.aoMapIntensity = 1; + this.emissive = new Color(0); + this.emissiveIntensity = 1; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = "round"; + this.wireframeLinejoin = "round"; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.color.copy(source.color); + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy(source.emissive); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +} +class MeshMatcapMaterial extends Material { + constructor(parameters) { + super(); + this.isMeshMatcapMaterial = true; + this.defines = { "MATCAP": "" }; + this.type = "MeshMatcapMaterial"; + this.color = new Color(16777215); + this.matcap = null; + this.map = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2(1, 1); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.alphaMap = null; + this.flatShading = false; + this.fog = true; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.defines = { "MATCAP": "" }; + this.color.copy(source.color); + this.matcap = source.matcap; + this.map = source.map; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy(source.normalScale); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.alphaMap = source.alphaMap; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } +} +class LineDashedMaterial extends LineBasicMaterial { + constructor(parameters) { + super(); + this.isLineDashedMaterial = true; + this.type = "LineDashedMaterial"; + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + this.setValues(parameters); + } + copy(source) { + super.copy(source); + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + return this; + } +} +function convertArray(array, type, forceClone) { + if (!array || // let 'undefined' and 'null' pass + !forceClone && array.constructor === type) + return array; + if (typeof type.BYTES_PER_ELEMENT === "number") { + return new type(array); + } + return Array.prototype.slice.call(array); +} +function isTypedArray(object) { + return ArrayBuffer.isView(object) && !(object instanceof DataView); +} +function getKeyframeOrder(times) { + function compareTime(i, j) { + return times[i] - times[j]; + } + const n = times.length; + const result = new Array(n); + for (let i = 0; i !== n; ++i) + result[i] = i; + result.sort(compareTime); + return result; +} +function sortedArray(values, stride, order) { + const nValues = values.length; + const result = new values.constructor(nValues); + for (let i = 0, dstOffset = 0; dstOffset !== nValues; ++i) { + const srcOffset = order[i] * stride; + for (let j = 0; j !== stride; ++j) { + result[dstOffset++] = values[srcOffset + j]; + } + } + return result; +} +function flattenJSON(jsonKeys, times, values, valuePropertyName) { + let i = 1, key = jsonKeys[0]; + while (key !== void 0 && key[valuePropertyName] === void 0) { + key = jsonKeys[i++]; + } + if (key === void 0) + return; + let value = key[valuePropertyName]; + if (value === void 0) + return; + if (Array.isArray(value)) { + do { + value = key[valuePropertyName]; + if (value !== void 0) { + times.push(key.time); + values.push.apply(values, value); + } + key = jsonKeys[i++]; + } while (key !== void 0); + } else if (value.toArray !== void 0) { + do { + value = key[valuePropertyName]; + if (value !== void 0) { + times.push(key.time); + value.toArray(values, values.length); + } + key = jsonKeys[i++]; + } while (key !== void 0); + } else { + do { + value = key[valuePropertyName]; + if (value !== void 0) { + times.push(key.time); + values.push(value); + } + key = jsonKeys[i++]; + } while (key !== void 0); + } +} +function subclip(sourceClip, name, startFrame, endFrame, fps = 30) { + const clip = sourceClip.clone(); + clip.name = name; + const tracks = []; + for (let i = 0; i < clip.tracks.length; ++i) { + const track = clip.tracks[i]; + const valueSize = track.getValueSize(); + const times = []; + const values = []; + for (let j = 0; j < track.times.length; ++j) { + const frame = track.times[j] * fps; + if (frame < startFrame || frame >= endFrame) + continue; + times.push(track.times[j]); + for (let k = 0; k < valueSize; ++k) { + values.push(track.values[j * valueSize + k]); + } + } + if (times.length === 0) + continue; + track.times = convertArray(times, track.times.constructor); + track.values = convertArray(values, track.values.constructor); + tracks.push(track); + } + clip.tracks = tracks; + let minStartTime = Infinity; + for (let i = 0; i < clip.tracks.length; ++i) { + if (minStartTime > clip.tracks[i].times[0]) { + minStartTime = clip.tracks[i].times[0]; + } + } + for (let i = 0; i < clip.tracks.length; ++i) { + clip.tracks[i].shift(-1 * minStartTime); + } + clip.resetDuration(); + return clip; +} +function makeClipAdditive(targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30) { + if (fps <= 0) + fps = 30; + const numTracks = referenceClip.tracks.length; + const referenceTime = referenceFrame / fps; + for (let i = 0; i < numTracks; ++i) { + const referenceTrack = referenceClip.tracks[i]; + const referenceTrackType = referenceTrack.ValueTypeName; + if (referenceTrackType === "bool" || referenceTrackType === "string") + continue; + const targetTrack = targetClip.tracks.find(function(track) { + return track.name === referenceTrack.name && track.ValueTypeName === referenceTrackType; + }); + if (targetTrack === void 0) + continue; + let referenceOffset = 0; + const referenceValueSize = referenceTrack.getValueSize(); + if (referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline) { + referenceOffset = referenceValueSize / 3; + } + let targetOffset = 0; + const targetValueSize = targetTrack.getValueSize(); + if (targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline) { + targetOffset = targetValueSize / 3; + } + const lastIndex = referenceTrack.times.length - 1; + let referenceValue; + if (referenceTime <= referenceTrack.times[0]) { + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice(startIndex, endIndex); + } else if (referenceTime >= referenceTrack.times[lastIndex]) { + const startIndex = lastIndex * referenceValueSize + referenceOffset; + const endIndex = startIndex + referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice(startIndex, endIndex); + } else { + const interpolant = referenceTrack.createInterpolant(); + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + interpolant.evaluate(referenceTime); + referenceValue = interpolant.resultBuffer.slice(startIndex, endIndex); + } + if (referenceTrackType === "quaternion") { + const referenceQuat = new Quaternion().fromArray(referenceValue).normalize().conjugate(); + referenceQuat.toArray(referenceValue); + } + const numTimes = targetTrack.times.length; + for (let j = 0; j < numTimes; ++j) { + const valueStart = j * targetValueSize + targetOffset; + if (referenceTrackType === "quaternion") { + Quaternion.multiplyQuaternionsFlat( + targetTrack.values, + valueStart, + referenceValue, + 0, + targetTrack.values, + valueStart + ); + } else { + const valueEnd = targetValueSize - targetOffset * 2; + for (let k = 0; k < valueEnd; ++k) { + targetTrack.values[valueStart + k] -= referenceValue[k]; + } + } + } + } + targetClip.blendMode = AdditiveAnimationBlendMode; + return targetClip; +} +const AnimationUtils = { + convertArray, + isTypedArray, + getKeyframeOrder, + sortedArray, + flattenJSON, + subclip, + makeClipAdditive +}; +class Interpolant { + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + this.resultBuffer = resultBuffer !== void 0 ? resultBuffer : new sampleValues.constructor(sampleSize); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + this.settings = null; + this.DefaultSettings_ = {}; + } + evaluate(t) { + const pp = this.parameterPositions; + let i1 = this._cachedIndex, t1 = pp[i1], t0 = pp[i1 - 1]; + validate_interval: { + seek: { + let right; + linear_scan: { + forward_scan: + if (!(t < t1)) { + for (let giveUpAt = i1 + 2; ; ) { + if (t1 === void 0) { + if (t < t0) + break forward_scan; + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_(i1 - 1); + } + if (i1 === giveUpAt) + break; + t0 = t1; + t1 = pp[++i1]; + if (t < t1) { + break seek; + } + } + right = pp.length; + break linear_scan; + } + if (!(t >= t0)) { + const t1global = pp[1]; + if (t < t1global) { + i1 = 2; + t0 = t1global; + } + for (let giveUpAt = i1 - 2; ; ) { + if (t0 === void 0) { + this._cachedIndex = 0; + return this.copySampleValue_(0); + } + if (i1 === giveUpAt) + break; + t1 = t0; + t0 = pp[--i1 - 1]; + if (t >= t0) { + break seek; + } + } + right = i1; + i1 = 0; + break linear_scan; + } + break validate_interval; + } + while (i1 < right) { + const mid = i1 + right >>> 1; + if (t < pp[mid]) { + right = mid; + } else { + i1 = mid + 1; + } + } + t1 = pp[i1]; + t0 = pp[i1 - 1]; + if (t0 === void 0) { + this._cachedIndex = 0; + return this.copySampleValue_(0); + } + if (t1 === void 0) { + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_(i1 - 1); + } + } + this._cachedIndex = i1; + this.intervalChanged_(i1, t0, t1); + } + return this.interpolate_(i1, t0, t, t1); + } + getSettings_() { + return this.settings || this.DefaultSettings_; + } + copySampleValue_(index) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, offset = index * stride; + for (let i = 0; i !== stride; ++i) { + result[i] = values[offset + i]; + } + return result; + } + // Template methods for derived classes: + interpolate_() { + throw new Error("call to abstract method"); + } + intervalChanged_() { + } +} +class CubicInterpolant extends Interpolant { + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + this._weightPrev = -0; + this._offsetPrev = -0; + this._weightNext = -0; + this._offsetNext = -0; + this.DefaultSettings_ = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + } + intervalChanged_(i1, t0, t1) { + const pp = this.parameterPositions; + let iPrev = i1 - 2, iNext = i1 + 1, tPrev = pp[iPrev], tNext = pp[iNext]; + if (tPrev === void 0) { + switch (this.getSettings_().endingStart) { + case ZeroSlopeEnding: + iPrev = i1; + tPrev = 2 * t0 - t1; + break; + case WrapAroundEnding: + iPrev = pp.length - 2; + tPrev = t0 + pp[iPrev] - pp[iPrev + 1]; + break; + default: + iPrev = i1; + tPrev = t1; + } + } + if (tNext === void 0) { + switch (this.getSettings_().endingEnd) { + case ZeroSlopeEnding: + iNext = i1; + tNext = 2 * t1 - t0; + break; + case WrapAroundEnding: + iNext = 1; + tNext = t1 + pp[1] - pp[0]; + break; + default: + iNext = i1 - 1; + tNext = t0; + } + } + const halfDt = (t1 - t0) * 0.5, stride = this.valueSize; + this._weightPrev = halfDt / (t0 - tPrev); + this._weightNext = halfDt / (tNext - t1); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, o1 = i1 * stride, o0 = o1 - stride, oP = this._offsetPrev, oN = this._offsetNext, wP = this._weightPrev, wN = this._weightNext, p = (t - t0) / (t1 - t0), pp = p * p, ppp = pp * p; + const sP = -wP * ppp + 2 * wP * pp - wP * p; + const s0 = (1 + wP) * ppp + (-1.5 - 2 * wP) * pp + (-0.5 + wP) * p + 1; + const s1 = (-1 - wN) * ppp + (1.5 + wN) * pp + 0.5 * p; + const sN = wN * ppp - wN * pp; + for (let i = 0; i !== stride; ++i) { + result[i] = sP * values[oP + i] + s0 * values[o0 + i] + s1 * values[o1 + i] + sN * values[oN + i]; + } + return result; + } +} +class LinearInterpolant extends Interpolant { + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, offset1 = i1 * stride, offset0 = offset1 - stride, weight1 = (t - t0) / (t1 - t0), weight0 = 1 - weight1; + for (let i = 0; i !== stride; ++i) { + result[i] = values[offset0 + i] * weight0 + values[offset1 + i] * weight1; + } + return result; + } +} +class DiscreteInterpolant extends Interpolant { + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + interpolate_(i1) { + return this.copySampleValue_(i1 - 1); + } +} +class KeyframeTrack { + constructor(name, times, values, interpolation) { + if (name === void 0) + throw new Error("THREE.KeyframeTrack: track name is undefined"); + if (times === void 0 || times.length === 0) + throw new Error("THREE.KeyframeTrack: no keyframes in track named " + name); + this.name = name; + this.times = convertArray(times, this.TimeBufferType); + this.values = convertArray(values, this.ValueBufferType); + this.setInterpolation(interpolation || this.DefaultInterpolation); + } + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): + static toJSON(track) { + const trackType = track.constructor; + let json; + if (trackType.toJSON !== this.toJSON) { + json = trackType.toJSON(track); + } else { + json = { + "name": track.name, + "times": convertArray(track.times, Array), + "values": convertArray(track.values, Array) + }; + const interpolation = track.getInterpolation(); + if (interpolation !== track.DefaultInterpolation) { + json.interpolation = interpolation; + } + } + json.type = track.ValueTypeName; + return json; + } + InterpolantFactoryMethodDiscrete(result) { + return new DiscreteInterpolant(this.times, this.values, this.getValueSize(), result); + } + InterpolantFactoryMethodLinear(result) { + return new LinearInterpolant(this.times, this.values, this.getValueSize(), result); + } + InterpolantFactoryMethodSmooth(result) { + return new CubicInterpolant(this.times, this.values, this.getValueSize(), result); + } + setInterpolation(interpolation) { + let factoryMethod; + switch (interpolation) { + case InterpolateDiscrete: + factoryMethod = this.InterpolantFactoryMethodDiscrete; + break; + case InterpolateLinear: + factoryMethod = this.InterpolantFactoryMethodLinear; + break; + case InterpolateSmooth: + factoryMethod = this.InterpolantFactoryMethodSmooth; + break; + } + if (factoryMethod === void 0) { + const message = "unsupported interpolation for " + this.ValueTypeName + " keyframe track named " + this.name; + if (this.createInterpolant === void 0) { + if (interpolation !== this.DefaultInterpolation) { + this.setInterpolation(this.DefaultInterpolation); + } else { + throw new Error(message); + } + } + console.warn("THREE.KeyframeTrack:", message); + return this; + } + this.createInterpolant = factoryMethod; + return this; + } + getInterpolation() { + switch (this.createInterpolant) { + case this.InterpolantFactoryMethodDiscrete: + return InterpolateDiscrete; + case this.InterpolantFactoryMethodLinear: + return InterpolateLinear; + case this.InterpolantFactoryMethodSmooth: + return InterpolateSmooth; + } + } + getValueSize() { + return this.values.length / this.times.length; + } + // move all keyframes either forwards or backwards in time + shift(timeOffset) { + if (timeOffset !== 0) { + const times = this.times; + for (let i = 0, n = times.length; i !== n; ++i) { + times[i] += timeOffset; + } + } + return this; + } + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale(timeScale) { + if (timeScale !== 1) { + const times = this.times; + for (let i = 0, n = times.length; i !== n; ++i) { + times[i] *= timeScale; + } + } + return this; + } + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim(startTime, endTime) { + const times = this.times, nKeys = times.length; + let from = 0, to = nKeys - 1; + while (from !== nKeys && times[from] < startTime) { + ++from; + } + while (to !== -1 && times[to] > endTime) { + --to; + } + ++to; + if (from !== 0 || to !== nKeys) { + if (from >= to) { + to = Math.max(to, 1); + from = to - 1; + } + const stride = this.getValueSize(); + this.times = times.slice(from, to); + this.values = this.values.slice(from * stride, to * stride); + } + return this; + } + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate() { + let valid = true; + const valueSize = this.getValueSize(); + if (valueSize - Math.floor(valueSize) !== 0) { + console.error("THREE.KeyframeTrack: Invalid value size in track.", this); + valid = false; + } + const times = this.times, values = this.values, nKeys = times.length; + if (nKeys === 0) { + console.error("THREE.KeyframeTrack: Track is empty.", this); + valid = false; + } + let prevTime = null; + for (let i = 0; i !== nKeys; i++) { + const currTime = times[i]; + if (typeof currTime === "number" && isNaN(currTime)) { + console.error("THREE.KeyframeTrack: Time is not a valid number.", this, i, currTime); + valid = false; + break; + } + if (prevTime !== null && prevTime > currTime) { + console.error("THREE.KeyframeTrack: Out of order keys.", this, i, currTime, prevTime); + valid = false; + break; + } + prevTime = currTime; + } + if (values !== void 0) { + if (isTypedArray(values)) { + for (let i = 0, n = values.length; i !== n; ++i) { + const value = values[i]; + if (isNaN(value)) { + console.error("THREE.KeyframeTrack: Value is not a valid number.", this, i, value); + valid = false; + break; + } + } + } + } + return valid; + } + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize() { + const times = this.times.slice(), values = this.values.slice(), stride = this.getValueSize(), smoothInterpolation = this.getInterpolation() === InterpolateSmooth, lastIndex = times.length - 1; + let writeIndex = 1; + for (let i = 1; i < lastIndex; ++i) { + let keep = false; + const time = times[i]; + const timeNext = times[i + 1]; + if (time !== timeNext && (i !== 1 || time !== times[0])) { + if (!smoothInterpolation) { + const offset = i * stride, offsetP = offset - stride, offsetN = offset + stride; + for (let j = 0; j !== stride; ++j) { + const value = values[offset + j]; + if (value !== values[offsetP + j] || value !== values[offsetN + j]) { + keep = true; + break; + } + } + } else { + keep = true; + } + } + if (keep) { + if (i !== writeIndex) { + times[writeIndex] = times[i]; + const readOffset = i * stride, writeOffset = writeIndex * stride; + for (let j = 0; j !== stride; ++j) { + values[writeOffset + j] = values[readOffset + j]; + } + } + ++writeIndex; + } + } + if (lastIndex > 0) { + times[writeIndex] = times[lastIndex]; + for (let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++j) { + values[writeOffset + j] = values[readOffset + j]; + } + ++writeIndex; + } + if (writeIndex !== times.length) { + this.times = times.slice(0, writeIndex); + this.values = values.slice(0, writeIndex * stride); + } else { + this.times = times; + this.values = values; + } + return this; + } + clone() { + const times = this.times.slice(); + const values = this.values.slice(); + const TypedKeyframeTrack = this.constructor; + const track = new TypedKeyframeTrack(this.name, times, values); + track.createInterpolant = this.createInterpolant; + return track; + } +} +KeyframeTrack.prototype.TimeBufferType = Float32Array; +KeyframeTrack.prototype.ValueBufferType = Float32Array; +KeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; +class BooleanKeyframeTrack extends KeyframeTrack { +} +BooleanKeyframeTrack.prototype.ValueTypeName = "bool"; +BooleanKeyframeTrack.prototype.ValueBufferType = Array; +BooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = void 0; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0; +class ColorKeyframeTrack extends KeyframeTrack { +} +ColorKeyframeTrack.prototype.ValueTypeName = "color"; +class NumberKeyframeTrack extends KeyframeTrack { +} +NumberKeyframeTrack.prototype.ValueTypeName = "number"; +class QuaternionLinearInterpolant extends Interpolant { + constructor(parameterPositions, sampleValues, sampleSize, resultBuffer) { + super(parameterPositions, sampleValues, sampleSize, resultBuffer); + } + interpolate_(i1, t0, t, t1) { + const result = this.resultBuffer, values = this.sampleValues, stride = this.valueSize, alpha = (t - t0) / (t1 - t0); + let offset = i1 * stride; + for (let end = offset + stride; offset !== end; offset += 4) { + Quaternion.slerpFlat(result, 0, values, offset - stride, values, offset, alpha); + } + return result; + } +} +class QuaternionKeyframeTrack extends KeyframeTrack { + InterpolantFactoryMethodLinear(result) { + return new QuaternionLinearInterpolant(this.times, this.values, this.getValueSize(), result); + } +} +QuaternionKeyframeTrack.prototype.ValueTypeName = "quaternion"; +QuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; +QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0; +class StringKeyframeTrack extends KeyframeTrack { +} +StringKeyframeTrack.prototype.ValueTypeName = "string"; +StringKeyframeTrack.prototype.ValueBufferType = Array; +StringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = void 0; +StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = void 0; +class VectorKeyframeTrack extends KeyframeTrack { +} +VectorKeyframeTrack.prototype.ValueTypeName = "vector"; +class AnimationClip { + constructor(name, duration = -1, tracks, blendMode = NormalAnimationBlendMode) { + this.name = name; + this.tracks = tracks; + this.duration = duration; + this.blendMode = blendMode; + this.uuid = generateUUID(); + if (this.duration < 0) { + this.resetDuration(); + } + } + static parse(json) { + const tracks = [], jsonTracks = json.tracks, frameTime = 1 / (json.fps || 1); + for (let i = 0, n = jsonTracks.length; i !== n; ++i) { + tracks.push(parseKeyframeTrack(jsonTracks[i]).scale(frameTime)); + } + const clip = new this(json.name, json.duration, tracks, json.blendMode); + clip.uuid = json.uuid; + return clip; + } + static toJSON(clip) { + const tracks = [], clipTracks = clip.tracks; + const json = { + "name": clip.name, + "duration": clip.duration, + "tracks": tracks, + "uuid": clip.uuid, + "blendMode": clip.blendMode + }; + for (let i = 0, n = clipTracks.length; i !== n; ++i) { + tracks.push(KeyframeTrack.toJSON(clipTracks[i])); + } + return json; + } + static CreateFromMorphTargetSequence(name, morphTargetSequence, fps, noLoop) { + const numMorphTargets = morphTargetSequence.length; + const tracks = []; + for (let i = 0; i < numMorphTargets; i++) { + let times = []; + let values = []; + times.push( + (i + numMorphTargets - 1) % numMorphTargets, + i, + (i + 1) % numMorphTargets + ); + values.push(0, 1, 0); + const order = getKeyframeOrder(times); + times = sortedArray(times, 1, order); + values = sortedArray(values, 1, order); + if (!noLoop && times[0] === 0) { + times.push(numMorphTargets); + values.push(values[0]); + } + tracks.push( + new NumberKeyframeTrack( + ".morphTargetInfluences[" + morphTargetSequence[i].name + "]", + times, + values + ).scale(1 / fps) + ); + } + return new this(name, -1, tracks); + } + static findByName(objectOrClipArray, name) { + let clipArray = objectOrClipArray; + if (!Array.isArray(objectOrClipArray)) { + const o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + } + for (let i = 0; i < clipArray.length; i++) { + if (clipArray[i].name === name) { + return clipArray[i]; + } + } + return null; + } + static CreateClipsFromMorphTargetSequences(morphTargets, fps, noLoop) { + const animationToMorphTargets = {}; + const pattern = /^([\w-]*?)([\d]+)$/; + for (let i = 0, il = morphTargets.length; i < il; i++) { + const morphTarget = morphTargets[i]; + const parts = morphTarget.name.match(pattern); + if (parts && parts.length > 1) { + const name = parts[1]; + let animationMorphTargets = animationToMorphTargets[name]; + if (!animationMorphTargets) { + animationToMorphTargets[name] = animationMorphTargets = []; + } + animationMorphTargets.push(morphTarget); + } + } + const clips = []; + for (const name in animationToMorphTargets) { + clips.push(this.CreateFromMorphTargetSequence(name, animationToMorphTargets[name], fps, noLoop)); + } + return clips; + } + // parse the animation.hierarchy format + static parseAnimation(animation, bones) { + if (!animation) { + console.error("THREE.AnimationClip: No animation in JSONLoader data."); + return null; + } + const addNonemptyTrack = function(trackType, trackName, animationKeys, propertyName, destTracks) { + if (animationKeys.length !== 0) { + const times = []; + const values = []; + flattenJSON(animationKeys, times, values, propertyName); + if (times.length !== 0) { + destTracks.push(new trackType(trackName, times, values)); + } + } + }; + const tracks = []; + const clipName = animation.name || "default"; + const fps = animation.fps || 30; + const blendMode = animation.blendMode; + let duration = animation.length || -1; + const hierarchyTracks = animation.hierarchy || []; + for (let h = 0; h < hierarchyTracks.length; h++) { + const animationKeys = hierarchyTracks[h].keys; + if (!animationKeys || animationKeys.length === 0) + continue; + if (animationKeys[0].morphTargets) { + const morphTargetNames = {}; + let k; + for (k = 0; k < animationKeys.length; k++) { + if (animationKeys[k].morphTargets) { + for (let m = 0; m < animationKeys[k].morphTargets.length; m++) { + morphTargetNames[animationKeys[k].morphTargets[m]] = -1; + } + } + } + for (const morphTargetName in morphTargetNames) { + const times = []; + const values = []; + for (let m = 0; m !== animationKeys[k].morphTargets.length; ++m) { + const animationKey = animationKeys[k]; + times.push(animationKey.time); + values.push(animationKey.morphTarget === morphTargetName ? 1 : 0); + } + tracks.push(new NumberKeyframeTrack(".morphTargetInfluence[" + morphTargetName + "]", times, values)); + } + duration = morphTargetNames.length * fps; + } else { + const boneName = ".bones[" + bones[h].name + "]"; + addNonemptyTrack( + VectorKeyframeTrack, + boneName + ".position", + animationKeys, + "pos", + tracks + ); + addNonemptyTrack( + QuaternionKeyframeTrack, + boneName + ".quaternion", + animationKeys, + "rot", + tracks + ); + addNonemptyTrack( + VectorKeyframeTrack, + boneName + ".scale", + animationKeys, + "scl", + tracks + ); + } + } + if (tracks.length === 0) { + return null; + } + const clip = new this(clipName, duration, tracks, blendMode); + return clip; + } + resetDuration() { + const tracks = this.tracks; + let duration = 0; + for (let i = 0, n = tracks.length; i !== n; ++i) { + const track = this.tracks[i]; + duration = Math.max(duration, track.times[track.times.length - 1]); + } + this.duration = duration; + return this; + } + trim() { + for (let i = 0; i < this.tracks.length; i++) { + this.tracks[i].trim(0, this.duration); + } + return this; + } + validate() { + let valid = true; + for (let i = 0; i < this.tracks.length; i++) { + valid = valid && this.tracks[i].validate(); + } + return valid; + } + optimize() { + for (let i = 0; i < this.tracks.length; i++) { + this.tracks[i].optimize(); + } + return this; + } + clone() { + const tracks = []; + for (let i = 0; i < this.tracks.length; i++) { + tracks.push(this.tracks[i].clone()); + } + return new this.constructor(this.name, this.duration, tracks, this.blendMode); + } + toJSON() { + return this.constructor.toJSON(this); + } +} +function getTrackTypeForValueTypeName(typeName) { + switch (typeName.toLowerCase()) { + case "scalar": + case "double": + case "float": + case "number": + case "integer": + return NumberKeyframeTrack; + case "vector": + case "vector2": + case "vector3": + case "vector4": + return VectorKeyframeTrack; + case "color": + return ColorKeyframeTrack; + case "quaternion": + return QuaternionKeyframeTrack; + case "bool": + case "boolean": + return BooleanKeyframeTrack; + case "string": + return StringKeyframeTrack; + } + throw new Error("THREE.KeyframeTrack: Unsupported typeName: " + typeName); +} +function parseKeyframeTrack(json) { + if (json.type === void 0) { + throw new Error("THREE.KeyframeTrack: track type undefined, can not parse"); + } + const trackType = getTrackTypeForValueTypeName(json.type); + if (json.times === void 0) { + const times = [], values = []; + flattenJSON(json.keys, times, values, "value"); + json.times = times; + json.values = values; + } + if (trackType.parse !== void 0) { + return trackType.parse(json); + } else { + return new trackType(json.name, json.times, json.values, json.interpolation); + } +} +const Cache = { + enabled: false, + files: {}, + add: function(key, file) { + if (this.enabled === false) + return; + this.files[key] = file; + }, + get: function(key) { + if (this.enabled === false) + return; + return this.files[key]; + }, + remove: function(key) { + delete this.files[key]; + }, + clear: function() { + this.files = {}; + } +}; +class LoadingManager { + constructor(onLoad, onProgress, onError) { + const scope = this; + let isLoading = false; + let itemsLoaded = 0; + let itemsTotal = 0; + let urlModifier = void 0; + const handlers = []; + this.onStart = void 0; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + this.itemStart = function(url) { + itemsTotal++; + if (isLoading === false) { + if (scope.onStart !== void 0) { + scope.onStart(url, itemsLoaded, itemsTotal); + } + } + isLoading = true; + }; + this.itemEnd = function(url) { + itemsLoaded++; + if (scope.onProgress !== void 0) { + scope.onProgress(url, itemsLoaded, itemsTotal); + } + if (itemsLoaded === itemsTotal) { + isLoading = false; + if (scope.onLoad !== void 0) { + scope.onLoad(); + } + } + }; + this.itemError = function(url) { + if (scope.onError !== void 0) { + scope.onError(url); + } + }; + this.resolveURL = function(url) { + if (urlModifier) { + return urlModifier(url); + } + return url; + }; + this.setURLModifier = function(transform) { + urlModifier = transform; + return this; + }; + this.addHandler = function(regex, loader) { + handlers.push(regex, loader); + return this; + }; + this.removeHandler = function(regex) { + const index = handlers.indexOf(regex); + if (index !== -1) { + handlers.splice(index, 2); + } + return this; + }; + this.getHandler = function(file) { + for (let i = 0, l = handlers.length; i < l; i += 2) { + const regex = handlers[i]; + const loader = handlers[i + 1]; + if (regex.global) + regex.lastIndex = 0; + if (regex.test(file)) { + return loader; + } + } + return null; + }; + } +} +const DefaultLoadingManager = /* @__PURE__ */ new LoadingManager(); +class Loader { + constructor(manager) { + this.manager = manager !== void 0 ? manager : DefaultLoadingManager; + this.crossOrigin = "anonymous"; + this.withCredentials = false; + this.path = ""; + this.resourcePath = ""; + this.requestHeader = {}; + } + load() { + } + loadAsync(url, onProgress) { + const scope = this; + return new Promise(function(resolve, reject) { + scope.load(url, resolve, onProgress, reject); + }); + } + parse() { + } + setCrossOrigin(crossOrigin) { + this.crossOrigin = crossOrigin; + return this; + } + setWithCredentials(value) { + this.withCredentials = value; + return this; + } + setPath(path) { + this.path = path; + return this; + } + setResourcePath(resourcePath) { + this.resourcePath = resourcePath; + return this; + } + setRequestHeader(requestHeader) { + this.requestHeader = requestHeader; + return this; + } +} +Loader.DEFAULT_MATERIAL_NAME = "__DEFAULT"; +const loading = {}; +class HttpError extends Error { + constructor(message, response) { + super(message); + this.response = response; + } +} +class FileLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + if (url === void 0) + url = ""; + if (this.path !== void 0) + url = this.path + url; + url = this.manager.resolveURL(url); + const cached = Cache.get(url); + if (cached !== void 0) { + this.manager.itemStart(url); + setTimeout(() => { + if (onLoad) + onLoad(cached); + this.manager.itemEnd(url); + }, 0); + return cached; + } + if (loading[url] !== void 0) { + loading[url].push({ + onLoad, + onProgress, + onError + }); + return; + } + loading[url] = []; + loading[url].push({ + onLoad, + onProgress, + onError + }); + const req = new Request(url, { + headers: new Headers(this.requestHeader), + credentials: this.withCredentials ? "include" : "same-origin" + // An abort controller could be added within a future PR + }); + const mimeType = this.mimeType; + const responseType = this.responseType; + fetch(req).then((response) => { + if (response.status === 200 || response.status === 0) { + if (response.status === 0) { + console.warn("THREE.FileLoader: HTTP Status 0 received."); + } + if (typeof ReadableStream === "undefined" || response.body === void 0 || response.body.getReader === void 0) { + return response; + } + const callbacks = loading[url]; + const reader = response.body.getReader(); + const contentLength = response.headers.get("Content-Length") || response.headers.get("X-File-Size"); + const total = contentLength ? parseInt(contentLength) : 0; + const lengthComputable = total !== 0; + let loaded = 0; + const stream = new ReadableStream({ + start(controller) { + readData(); + function readData() { + reader.read().then(({ done, value }) => { + if (done) { + controller.close(); + } else { + loaded += value.byteLength; + const event = new ProgressEvent("progress", { lengthComputable, loaded, total }); + for (let i = 0, il = callbacks.length; i < il; i++) { + const callback = callbacks[i]; + if (callback.onProgress) + callback.onProgress(event); + } + controller.enqueue(value); + readData(); + } + }); + } + } + }); + return new Response(stream); + } else { + throw new HttpError(`fetch for "${response.url}" responded with ${response.status}: ${response.statusText}`, response); + } + }).then((response) => { + switch (responseType) { + case "arraybuffer": + return response.arrayBuffer(); + case "blob": + return response.blob(); + case "document": + return response.text().then((text) => { + const parser = new DOMParser(); + return parser.parseFromString(text, mimeType); + }); + case "json": + return response.json(); + default: + if (mimeType === void 0) { + return response.text(); + } else { + const re = /charset="?([^;"\s]*)"?/i; + const exec = re.exec(mimeType); + const label = exec && exec[1] ? exec[1].toLowerCase() : void 0; + const decoder = new TextDecoder(label); + return response.arrayBuffer().then((ab) => decoder.decode(ab)); + } + } + }).then((data) => { + Cache.add(url, data); + const callbacks = loading[url]; + delete loading[url]; + for (let i = 0, il = callbacks.length; i < il; i++) { + const callback = callbacks[i]; + if (callback.onLoad) + callback.onLoad(data); + } + }).catch((err) => { + const callbacks = loading[url]; + if (callbacks === void 0) { + this.manager.itemError(url); + throw err; + } + delete loading[url]; + for (let i = 0, il = callbacks.length; i < il; i++) { + const callback = callbacks[i]; + if (callback.onError) + callback.onError(err); + } + this.manager.itemError(url); + }).finally(() => { + this.manager.itemEnd(url); + }); + this.manager.itemStart(url); + } + setResponseType(value) { + this.responseType = value; + return this; + } + setMimeType(value) { + this.mimeType = value; + return this; + } +} +class AnimationLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(JSON.parse(text))); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + parse(json) { + const animations = []; + for (let i = 0; i < json.length; i++) { + const clip = AnimationClip.parse(json[i]); + animations.push(clip); + } + return animations; + } +} +class CompressedTextureLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const images = []; + const texture = new CompressedTexture(); + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setResponseType("arraybuffer"); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(scope.withCredentials); + let loaded = 0; + function loadTexture(i) { + loader.load(url[i], function(buffer) { + const texDatas = scope.parse(buffer, true); + images[i] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + loaded += 1; + if (loaded === 6) { + if (texDatas.mipmapCount === 1) + texture.minFilter = LinearFilter; + texture.image = images; + texture.format = texDatas.format; + texture.needsUpdate = true; + if (onLoad) + onLoad(texture); + } + }, onProgress, onError); + } + if (Array.isArray(url)) { + for (let i = 0, il = url.length; i < il; ++i) { + loadTexture(i); + } + } else { + loader.load(url, function(buffer) { + const texDatas = scope.parse(buffer, true); + if (texDatas.isCubemap) { + const faces = texDatas.mipmaps.length / texDatas.mipmapCount; + for (let f = 0; f < faces; f++) { + images[f] = { mipmaps: [] }; + for (let i = 0; i < texDatas.mipmapCount; i++) { + images[f].mipmaps.push(texDatas.mipmaps[f * texDatas.mipmapCount + i]); + images[f].format = texDatas.format; + images[f].width = texDatas.width; + images[f].height = texDatas.height; + } + } + texture.image = images; + } else { + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + } + if (texDatas.mipmapCount === 1) { + texture.minFilter = LinearFilter; + } + texture.format = texDatas.format; + texture.needsUpdate = true; + if (onLoad) + onLoad(texture); + }, onProgress, onError); + } + return texture; + } +} +class ImageLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + if (this.path !== void 0) + url = this.path + url; + url = this.manager.resolveURL(url); + const scope = this; + const cached = Cache.get(url); + if (cached !== void 0) { + scope.manager.itemStart(url); + setTimeout(function() { + if (onLoad) + onLoad(cached); + scope.manager.itemEnd(url); + }, 0); + return cached; + } + const image = createElementNS("img"); + function onImageLoad() { + removeEventListeners(); + Cache.add(url, this); + if (onLoad) + onLoad(this); + scope.manager.itemEnd(url); + } + function onImageError(event) { + removeEventListeners(); + if (onError) + onError(event); + scope.manager.itemError(url); + scope.manager.itemEnd(url); + } + function removeEventListeners() { + image.removeEventListener("load", onImageLoad, false); + image.removeEventListener("error", onImageError, false); + } + image.addEventListener("load", onImageLoad, false); + image.addEventListener("error", onImageError, false); + if (url.slice(0, 5) !== "data:") { + if (this.crossOrigin !== void 0) + image.crossOrigin = this.crossOrigin; + } + scope.manager.itemStart(url); + image.src = url; + return image; + } +} +class CubeTextureLoader extends Loader { + constructor(manager) { + super(manager); + } + load(urls, onLoad, onProgress, onError) { + const texture = new CubeTexture(); + texture.colorSpace = SRGBColorSpace; + const loader = new ImageLoader(this.manager); + loader.setCrossOrigin(this.crossOrigin); + loader.setPath(this.path); + let loaded = 0; + function loadTexture(i) { + loader.load(urls[i], function(image) { + texture.images[i] = image; + loaded++; + if (loaded === 6) { + texture.needsUpdate = true; + if (onLoad) + onLoad(texture); + } + }, void 0, onError); + } + for (let i = 0; i < urls.length; ++i) { + loadTexture(i); + } + return texture; + } +} +class DataTextureLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const texture = new DataTexture(); + const loader = new FileLoader(this.manager); + loader.setResponseType("arraybuffer"); + loader.setRequestHeader(this.requestHeader); + loader.setPath(this.path); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(buffer) { + let texData; + try { + texData = scope.parse(buffer); + } catch (error) { + if (onError !== void 0) { + onError(error); + } else { + console.error(error); + return; + } + } + if (texData.image !== void 0) { + texture.image = texData.image; + } else if (texData.data !== void 0) { + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + } + texture.wrapS = texData.wrapS !== void 0 ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = texData.wrapT !== void 0 ? texData.wrapT : ClampToEdgeWrapping; + texture.magFilter = texData.magFilter !== void 0 ? texData.magFilter : LinearFilter; + texture.minFilter = texData.minFilter !== void 0 ? texData.minFilter : LinearFilter; + texture.anisotropy = texData.anisotropy !== void 0 ? texData.anisotropy : 1; + if (texData.colorSpace !== void 0) { + texture.colorSpace = texData.colorSpace; + } else if (texData.encoding !== void 0) { + texture.encoding = texData.encoding; + } + if (texData.flipY !== void 0) { + texture.flipY = texData.flipY; + } + if (texData.format !== void 0) { + texture.format = texData.format; + } + if (texData.type !== void 0) { + texture.type = texData.type; + } + if (texData.mipmaps !== void 0) { + texture.mipmaps = texData.mipmaps; + texture.minFilter = LinearMipmapLinearFilter; + } + if (texData.mipmapCount === 1) { + texture.minFilter = LinearFilter; + } + if (texData.generateMipmaps !== void 0) { + texture.generateMipmaps = texData.generateMipmaps; + } + texture.needsUpdate = true; + if (onLoad) + onLoad(texture, texData); + }, onProgress, onError); + return texture; + } +} +class TextureLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const texture = new Texture(); + const loader = new ImageLoader(this.manager); + loader.setCrossOrigin(this.crossOrigin); + loader.setPath(this.path); + loader.load(url, function(image) { + texture.image = image; + texture.needsUpdate = true; + if (onLoad !== void 0) { + onLoad(texture); + } + }, onProgress, onError); + return texture; + } +} +class Light extends Object3D { + constructor(color, intensity = 1) { + super(); + this.isLight = true; + this.type = "Light"; + this.color = new Color(color); + this.intensity = intensity; + } + dispose() { + } + copy(source, recursive) { + super.copy(source, recursive); + this.color.copy(source.color); + this.intensity = source.intensity; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + if (this.groundColor !== void 0) + data.object.groundColor = this.groundColor.getHex(); + if (this.distance !== void 0) + data.object.distance = this.distance; + if (this.angle !== void 0) + data.object.angle = this.angle; + if (this.decay !== void 0) + data.object.decay = this.decay; + if (this.penumbra !== void 0) + data.object.penumbra = this.penumbra; + if (this.shadow !== void 0) + data.object.shadow = this.shadow.toJSON(); + return data; + } +} +class HemisphereLight extends Light { + constructor(skyColor, groundColor, intensity) { + super(skyColor, intensity); + this.isHemisphereLight = true; + this.type = "HemisphereLight"; + this.position.copy(Object3D.DEFAULT_UP); + this.updateMatrix(); + this.groundColor = new Color(groundColor); + } + copy(source, recursive) { + super.copy(source, recursive); + this.groundColor.copy(source.groundColor); + return this; + } +} +const _projScreenMatrix$1 = /* @__PURE__ */ new Matrix4(); +const _lightPositionWorld$1 = /* @__PURE__ */ new Vector3(); +const _lookTarget$1 = /* @__PURE__ */ new Vector3(); +class LightShadow { + constructor(camera) { + this.camera = camera; + this.bias = 0; + this.normalBias = 0; + this.radius = 1; + this.blurSamples = 8; + this.mapSize = new Vector2(512, 512); + this.map = null; + this.mapPass = null; + this.matrix = new Matrix4(); + this.autoUpdate = true; + this.needsUpdate = false; + this._frustum = new Frustum(); + this._frameExtents = new Vector2(1, 1); + this._viewportCount = 1; + this._viewports = [ + new Vector4(0, 0, 1, 1) + ]; + } + getViewportCount() { + return this._viewportCount; + } + getFrustum() { + return this._frustum; + } + updateMatrices(light) { + const shadowCamera = this.camera; + const shadowMatrix = this.matrix; + _lightPositionWorld$1.setFromMatrixPosition(light.matrixWorld); + shadowCamera.position.copy(_lightPositionWorld$1); + _lookTarget$1.setFromMatrixPosition(light.target.matrixWorld); + shadowCamera.lookAt(_lookTarget$1); + shadowCamera.updateMatrixWorld(); + _projScreenMatrix$1.multiplyMatrices(shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse); + this._frustum.setFromProjectionMatrix(_projScreenMatrix$1); + shadowMatrix.set( + 0.5, + 0, + 0, + 0.5, + 0, + 0.5, + 0, + 0.5, + 0, + 0, + 0.5, + 0.5, + 0, + 0, + 0, + 1 + ); + shadowMatrix.multiply(_projScreenMatrix$1); + } + getViewport(viewportIndex) { + return this._viewports[viewportIndex]; + } + getFrameExtents() { + return this._frameExtents; + } + dispose() { + if (this.map) { + this.map.dispose(); + } + if (this.mapPass) { + this.mapPass.dispose(); + } + } + copy(source) { + this.camera = source.camera.clone(); + this.bias = source.bias; + this.radius = source.radius; + this.mapSize.copy(source.mapSize); + return this; + } + clone() { + return new this.constructor().copy(this); + } + toJSON() { + const object = {}; + if (this.bias !== 0) + object.bias = this.bias; + if (this.normalBias !== 0) + object.normalBias = this.normalBias; + if (this.radius !== 1) + object.radius = this.radius; + if (this.mapSize.x !== 512 || this.mapSize.y !== 512) + object.mapSize = this.mapSize.toArray(); + object.camera = this.camera.toJSON(false).object; + delete object.camera.matrix; + return object; + } +} +class SpotLightShadow extends LightShadow { + constructor() { + super(new PerspectiveCamera(50, 1, 0.5, 500)); + this.isSpotLightShadow = true; + this.focus = 1; + } + updateMatrices(light) { + const camera = this.camera; + const fov2 = RAD2DEG * 2 * light.angle * this.focus; + const aspect2 = this.mapSize.width / this.mapSize.height; + const far = light.distance || camera.far; + if (fov2 !== camera.fov || aspect2 !== camera.aspect || far !== camera.far) { + camera.fov = fov2; + camera.aspect = aspect2; + camera.far = far; + camera.updateProjectionMatrix(); + } + super.updateMatrices(light); + } + copy(source) { + super.copy(source); + this.focus = source.focus; + return this; + } +} +class SpotLight extends Light { + constructor(color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2) { + super(color, intensity); + this.isSpotLight = true; + this.type = "SpotLight"; + this.position.copy(Object3D.DEFAULT_UP); + this.updateMatrix(); + this.target = new Object3D(); + this.distance = distance; + this.angle = angle; + this.penumbra = penumbra; + this.decay = decay; + this.map = null; + this.shadow = new SpotLightShadow(); + } + get power() { + return this.intensity * Math.PI; + } + set power(power) { + this.intensity = power / Math.PI; + } + dispose() { + this.shadow.dispose(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + return this; + } +} +const _projScreenMatrix = /* @__PURE__ */ new Matrix4(); +const _lightPositionWorld = /* @__PURE__ */ new Vector3(); +const _lookTarget = /* @__PURE__ */ new Vector3(); +class PointLightShadow extends LightShadow { + constructor() { + super(new PerspectiveCamera(90, 1, 0.5, 500)); + this.isPointLightShadow = true; + this._frameExtents = new Vector2(4, 2); + this._viewportCount = 6; + this._viewports = [ + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction + // positive X + new Vector4(2, 1, 1, 1), + // negative X + new Vector4(0, 1, 1, 1), + // positive Z + new Vector4(3, 1, 1, 1), + // negative Z + new Vector4(1, 1, 1, 1), + // positive Y + new Vector4(3, 0, 1, 1), + // negative Y + new Vector4(1, 0, 1, 1) + ]; + this._cubeDirections = [ + new Vector3(1, 0, 0), + new Vector3(-1, 0, 0), + new Vector3(0, 0, 1), + new Vector3(0, 0, -1), + new Vector3(0, 1, 0), + new Vector3(0, -1, 0) + ]; + this._cubeUps = [ + new Vector3(0, 1, 0), + new Vector3(0, 1, 0), + new Vector3(0, 1, 0), + new Vector3(0, 1, 0), + new Vector3(0, 0, 1), + new Vector3(0, 0, -1) + ]; + } + updateMatrices(light, viewportIndex = 0) { + const camera = this.camera; + const shadowMatrix = this.matrix; + const far = light.distance || camera.far; + if (far !== camera.far) { + camera.far = far; + camera.updateProjectionMatrix(); + } + _lightPositionWorld.setFromMatrixPosition(light.matrixWorld); + camera.position.copy(_lightPositionWorld); + _lookTarget.copy(camera.position); + _lookTarget.add(this._cubeDirections[viewportIndex]); + camera.up.copy(this._cubeUps[viewportIndex]); + camera.lookAt(_lookTarget); + camera.updateMatrixWorld(); + shadowMatrix.makeTranslation(-_lightPositionWorld.x, -_lightPositionWorld.y, -_lightPositionWorld.z); + _projScreenMatrix.multiplyMatrices(camera.projectionMatrix, camera.matrixWorldInverse); + this._frustum.setFromProjectionMatrix(_projScreenMatrix); + } +} +class PointLight extends Light { + constructor(color, intensity, distance = 0, decay = 2) { + super(color, intensity); + this.isPointLight = true; + this.type = "PointLight"; + this.distance = distance; + this.decay = decay; + this.shadow = new PointLightShadow(); + } + get power() { + return this.intensity * 4 * Math.PI; + } + set power(power) { + this.intensity = power / (4 * Math.PI); + } + dispose() { + this.shadow.dispose(); + } + copy(source, recursive) { + super.copy(source, recursive); + this.distance = source.distance; + this.decay = source.decay; + this.shadow = source.shadow.clone(); + return this; + } +} +class DirectionalLightShadow extends LightShadow { + constructor() { + super(new OrthographicCamera(-5, 5, 5, -5, 0.5, 500)); + this.isDirectionalLightShadow = true; + } +} +class DirectionalLight extends Light { + constructor(color, intensity) { + super(color, intensity); + this.isDirectionalLight = true; + this.type = "DirectionalLight"; + this.position.copy(Object3D.DEFAULT_UP); + this.updateMatrix(); + this.target = new Object3D(); + this.shadow = new DirectionalLightShadow(); + } + dispose() { + this.shadow.dispose(); + } + copy(source) { + super.copy(source); + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + return this; + } +} +class AmbientLight extends Light { + constructor(color, intensity) { + super(color, intensity); + this.isAmbientLight = true; + this.type = "AmbientLight"; + } +} +class RectAreaLight extends Light { + constructor(color, intensity, width = 10, height = 10) { + super(color, intensity); + this.isRectAreaLight = true; + this.type = "RectAreaLight"; + this.width = width; + this.height = height; + } + get power() { + return this.intensity * this.width * this.height * Math.PI; + } + set power(power) { + this.intensity = power / (this.width * this.height * Math.PI); + } + copy(source) { + super.copy(source); + this.width = source.width; + this.height = source.height; + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.width = this.width; + data.object.height = this.height; + return data; + } +} +class SphericalHarmonics3 { + constructor() { + this.isSphericalHarmonics3 = true; + this.coefficients = []; + for (let i = 0; i < 9; i++) { + this.coefficients.push(new Vector3()); + } + } + set(coefficients) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].copy(coefficients[i]); + } + return this; + } + zero() { + for (let i = 0; i < 9; i++) { + this.coefficients[i].set(0, 0, 0); + } + return this; + } + // get the radiance in the direction of the normal + // target is a Vector3 + getAt(normal, target) { + const x = normal.x, y = normal.y, z = normal.z; + const coeff = this.coefficients; + target.copy(coeff[0]).multiplyScalar(0.282095); + target.addScaledVector(coeff[1], 0.488603 * y); + target.addScaledVector(coeff[2], 0.488603 * z); + target.addScaledVector(coeff[3], 0.488603 * x); + target.addScaledVector(coeff[4], 1.092548 * (x * y)); + target.addScaledVector(coeff[5], 1.092548 * (y * z)); + target.addScaledVector(coeff[6], 0.315392 * (3 * z * z - 1)); + target.addScaledVector(coeff[7], 1.092548 * (x * z)); + target.addScaledVector(coeff[8], 0.546274 * (x * x - y * y)); + return target; + } + // get the irradiance (radiance convolved with cosine lobe) in the direction of the normal + // target is a Vector3 + // https://graphics.stanford.edu/papers/envmap/envmap.pdf + getIrradianceAt(normal, target) { + const x = normal.x, y = normal.y, z = normal.z; + const coeff = this.coefficients; + target.copy(coeff[0]).multiplyScalar(0.886227); + target.addScaledVector(coeff[1], 2 * 0.511664 * y); + target.addScaledVector(coeff[2], 2 * 0.511664 * z); + target.addScaledVector(coeff[3], 2 * 0.511664 * x); + target.addScaledVector(coeff[4], 2 * 0.429043 * x * y); + target.addScaledVector(coeff[5], 2 * 0.429043 * y * z); + target.addScaledVector(coeff[6], 0.743125 * z * z - 0.247708); + target.addScaledVector(coeff[7], 2 * 0.429043 * x * z); + target.addScaledVector(coeff[8], 0.429043 * (x * x - y * y)); + return target; + } + add(sh) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].add(sh.coefficients[i]); + } + return this; + } + addScaledSH(sh, s) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].addScaledVector(sh.coefficients[i], s); + } + return this; + } + scale(s) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].multiplyScalar(s); + } + return this; + } + lerp(sh, alpha) { + for (let i = 0; i < 9; i++) { + this.coefficients[i].lerp(sh.coefficients[i], alpha); + } + return this; + } + equals(sh) { + for (let i = 0; i < 9; i++) { + if (!this.coefficients[i].equals(sh.coefficients[i])) { + return false; + } + } + return true; + } + copy(sh) { + return this.set(sh.coefficients); + } + clone() { + return new this.constructor().copy(this); + } + fromArray(array, offset = 0) { + const coefficients = this.coefficients; + for (let i = 0; i < 9; i++) { + coefficients[i].fromArray(array, offset + i * 3); + } + return this; + } + toArray(array = [], offset = 0) { + const coefficients = this.coefficients; + for (let i = 0; i < 9; i++) { + coefficients[i].toArray(array, offset + i * 3); + } + return array; + } + // evaluate the basis functions + // shBasis is an Array[ 9 ] + static getBasisAt(normal, shBasis) { + const x = normal.x, y = normal.y, z = normal.z; + shBasis[0] = 0.282095; + shBasis[1] = 0.488603 * y; + shBasis[2] = 0.488603 * z; + shBasis[3] = 0.488603 * x; + shBasis[4] = 1.092548 * x * y; + shBasis[5] = 1.092548 * y * z; + shBasis[6] = 0.315392 * (3 * z * z - 1); + shBasis[7] = 1.092548 * x * z; + shBasis[8] = 0.546274 * (x * x - y * y); + } +} +class LightProbe extends Light { + constructor(sh = new SphericalHarmonics3(), intensity = 1) { + super(void 0, intensity); + this.isLightProbe = true; + this.sh = sh; + } + copy(source) { + super.copy(source); + this.sh.copy(source.sh); + return this; + } + fromJSON(json) { + this.intensity = json.intensity; + this.sh.fromArray(json.sh); + return this; + } + toJSON(meta) { + const data = super.toJSON(meta); + data.object.sh = this.sh.toArray(); + return data; + } +} +class MaterialLoader extends Loader { + constructor(manager) { + super(manager); + this.textures = {}; + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(scope.manager); + loader.setPath(scope.path); + loader.setRequestHeader(scope.requestHeader); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(JSON.parse(text))); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + parse(json) { + const textures = this.textures; + function getTexture(name) { + if (textures[name] === void 0) { + console.warn("THREE.MaterialLoader: Undefined texture", name); + } + return textures[name]; + } + const material = MaterialLoader.createMaterialFromType(json.type); + if (json.uuid !== void 0) + material.uuid = json.uuid; + if (json.name !== void 0) + material.name = json.name; + if (json.color !== void 0 && material.color !== void 0) + material.color.setHex(json.color); + if (json.roughness !== void 0) + material.roughness = json.roughness; + if (json.metalness !== void 0) + material.metalness = json.metalness; + if (json.sheen !== void 0) + material.sheen = json.sheen; + if (json.sheenColor !== void 0) + material.sheenColor = new Color().setHex(json.sheenColor); + if (json.sheenRoughness !== void 0) + material.sheenRoughness = json.sheenRoughness; + if (json.emissive !== void 0 && material.emissive !== void 0) + material.emissive.setHex(json.emissive); + if (json.specular !== void 0 && material.specular !== void 0) + material.specular.setHex(json.specular); + if (json.specularIntensity !== void 0) + material.specularIntensity = json.specularIntensity; + if (json.specularColor !== void 0 && material.specularColor !== void 0) + material.specularColor.setHex(json.specularColor); + if (json.shininess !== void 0) + material.shininess = json.shininess; + if (json.clearcoat !== void 0) + material.clearcoat = json.clearcoat; + if (json.clearcoatRoughness !== void 0) + material.clearcoatRoughness = json.clearcoatRoughness; + if (json.iridescence !== void 0) + material.iridescence = json.iridescence; + if (json.iridescenceIOR !== void 0) + material.iridescenceIOR = json.iridescenceIOR; + if (json.iridescenceThicknessRange !== void 0) + material.iridescenceThicknessRange = json.iridescenceThicknessRange; + if (json.transmission !== void 0) + material.transmission = json.transmission; + if (json.thickness !== void 0) + material.thickness = json.thickness; + if (json.attenuationDistance !== void 0) + material.attenuationDistance = json.attenuationDistance; + if (json.attenuationColor !== void 0 && material.attenuationColor !== void 0) + material.attenuationColor.setHex(json.attenuationColor); + if (json.anisotropy !== void 0) + material.anisotropy = json.anisotropy; + if (json.anisotropyRotation !== void 0) + material.anisotropyRotation = json.anisotropyRotation; + if (json.fog !== void 0) + material.fog = json.fog; + if (json.flatShading !== void 0) + material.flatShading = json.flatShading; + if (json.blending !== void 0) + material.blending = json.blending; + if (json.combine !== void 0) + material.combine = json.combine; + if (json.side !== void 0) + material.side = json.side; + if (json.shadowSide !== void 0) + material.shadowSide = json.shadowSide; + if (json.opacity !== void 0) + material.opacity = json.opacity; + if (json.transparent !== void 0) + material.transparent = json.transparent; + if (json.alphaTest !== void 0) + material.alphaTest = json.alphaTest; + if (json.alphaHash !== void 0) + material.alphaHash = json.alphaHash; + if (json.depthFunc !== void 0) + material.depthFunc = json.depthFunc; + if (json.depthTest !== void 0) + material.depthTest = json.depthTest; + if (json.depthWrite !== void 0) + material.depthWrite = json.depthWrite; + if (json.colorWrite !== void 0) + material.colorWrite = json.colorWrite; + if (json.blendSrc !== void 0) + material.blendSrc = json.blendSrc; + if (json.blendDst !== void 0) + material.blendDst = json.blendDst; + if (json.blendEquation !== void 0) + material.blendEquation = json.blendEquation; + if (json.blendSrcAlpha !== void 0) + material.blendSrcAlpha = json.blendSrcAlpha; + if (json.blendDstAlpha !== void 0) + material.blendDstAlpha = json.blendDstAlpha; + if (json.blendEquationAlpha !== void 0) + material.blendEquationAlpha = json.blendEquationAlpha; + if (json.blendColor !== void 0 && material.blendColor !== void 0) + material.blendColor.setHex(json.blendColor); + if (json.blendAlpha !== void 0) + material.blendAlpha = json.blendAlpha; + if (json.stencilWriteMask !== void 0) + material.stencilWriteMask = json.stencilWriteMask; + if (json.stencilFunc !== void 0) + material.stencilFunc = json.stencilFunc; + if (json.stencilRef !== void 0) + material.stencilRef = json.stencilRef; + if (json.stencilFuncMask !== void 0) + material.stencilFuncMask = json.stencilFuncMask; + if (json.stencilFail !== void 0) + material.stencilFail = json.stencilFail; + if (json.stencilZFail !== void 0) + material.stencilZFail = json.stencilZFail; + if (json.stencilZPass !== void 0) + material.stencilZPass = json.stencilZPass; + if (json.stencilWrite !== void 0) + material.stencilWrite = json.stencilWrite; + if (json.wireframe !== void 0) + material.wireframe = json.wireframe; + if (json.wireframeLinewidth !== void 0) + material.wireframeLinewidth = json.wireframeLinewidth; + if (json.wireframeLinecap !== void 0) + material.wireframeLinecap = json.wireframeLinecap; + if (json.wireframeLinejoin !== void 0) + material.wireframeLinejoin = json.wireframeLinejoin; + if (json.rotation !== void 0) + material.rotation = json.rotation; + if (json.linewidth !== void 0) + material.linewidth = json.linewidth; + if (json.dashSize !== void 0) + material.dashSize = json.dashSize; + if (json.gapSize !== void 0) + material.gapSize = json.gapSize; + if (json.scale !== void 0) + material.scale = json.scale; + if (json.polygonOffset !== void 0) + material.polygonOffset = json.polygonOffset; + if (json.polygonOffsetFactor !== void 0) + material.polygonOffsetFactor = json.polygonOffsetFactor; + if (json.polygonOffsetUnits !== void 0) + material.polygonOffsetUnits = json.polygonOffsetUnits; + if (json.dithering !== void 0) + material.dithering = json.dithering; + if (json.alphaToCoverage !== void 0) + material.alphaToCoverage = json.alphaToCoverage; + if (json.premultipliedAlpha !== void 0) + material.premultipliedAlpha = json.premultipliedAlpha; + if (json.forceSinglePass !== void 0) + material.forceSinglePass = json.forceSinglePass; + if (json.visible !== void 0) + material.visible = json.visible; + if (json.toneMapped !== void 0) + material.toneMapped = json.toneMapped; + if (json.userData !== void 0) + material.userData = json.userData; + if (json.vertexColors !== void 0) { + if (typeof json.vertexColors === "number") { + material.vertexColors = json.vertexColors > 0 ? true : false; + } else { + material.vertexColors = json.vertexColors; + } + } + if (json.uniforms !== void 0) { + for (const name in json.uniforms) { + const uniform = json.uniforms[name]; + material.uniforms[name] = {}; + switch (uniform.type) { + case "t": + material.uniforms[name].value = getTexture(uniform.value); + break; + case "c": + material.uniforms[name].value = new Color().setHex(uniform.value); + break; + case "v2": + material.uniforms[name].value = new Vector2().fromArray(uniform.value); + break; + case "v3": + material.uniforms[name].value = new Vector3().fromArray(uniform.value); + break; + case "v4": + material.uniforms[name].value = new Vector4().fromArray(uniform.value); + break; + case "m3": + material.uniforms[name].value = new Matrix3().fromArray(uniform.value); + break; + case "m4": + material.uniforms[name].value = new Matrix4().fromArray(uniform.value); + break; + default: + material.uniforms[name].value = uniform.value; + } + } + } + if (json.defines !== void 0) + material.defines = json.defines; + if (json.vertexShader !== void 0) + material.vertexShader = json.vertexShader; + if (json.fragmentShader !== void 0) + material.fragmentShader = json.fragmentShader; + if (json.glslVersion !== void 0) + material.glslVersion = json.glslVersion; + if (json.extensions !== void 0) { + for (const key in json.extensions) { + material.extensions[key] = json.extensions[key]; + } + } + if (json.lights !== void 0) + material.lights = json.lights; + if (json.clipping !== void 0) + material.clipping = json.clipping; + if (json.size !== void 0) + material.size = json.size; + if (json.sizeAttenuation !== void 0) + material.sizeAttenuation = json.sizeAttenuation; + if (json.map !== void 0) + material.map = getTexture(json.map); + if (json.matcap !== void 0) + material.matcap = getTexture(json.matcap); + if (json.alphaMap !== void 0) + material.alphaMap = getTexture(json.alphaMap); + if (json.bumpMap !== void 0) + material.bumpMap = getTexture(json.bumpMap); + if (json.bumpScale !== void 0) + material.bumpScale = json.bumpScale; + if (json.normalMap !== void 0) + material.normalMap = getTexture(json.normalMap); + if (json.normalMapType !== void 0) + material.normalMapType = json.normalMapType; + if (json.normalScale !== void 0) { + let normalScale = json.normalScale; + if (Array.isArray(normalScale) === false) { + normalScale = [normalScale, normalScale]; + } + material.normalScale = new Vector2().fromArray(normalScale); + } + if (json.displacementMap !== void 0) + material.displacementMap = getTexture(json.displacementMap); + if (json.displacementScale !== void 0) + material.displacementScale = json.displacementScale; + if (json.displacementBias !== void 0) + material.displacementBias = json.displacementBias; + if (json.roughnessMap !== void 0) + material.roughnessMap = getTexture(json.roughnessMap); + if (json.metalnessMap !== void 0) + material.metalnessMap = getTexture(json.metalnessMap); + if (json.emissiveMap !== void 0) + material.emissiveMap = getTexture(json.emissiveMap); + if (json.emissiveIntensity !== void 0) + material.emissiveIntensity = json.emissiveIntensity; + if (json.specularMap !== void 0) + material.specularMap = getTexture(json.specularMap); + if (json.specularIntensityMap !== void 0) + material.specularIntensityMap = getTexture(json.specularIntensityMap); + if (json.specularColorMap !== void 0) + material.specularColorMap = getTexture(json.specularColorMap); + if (json.envMap !== void 0) + material.envMap = getTexture(json.envMap); + if (json.envMapIntensity !== void 0) + material.envMapIntensity = json.envMapIntensity; + if (json.reflectivity !== void 0) + material.reflectivity = json.reflectivity; + if (json.refractionRatio !== void 0) + material.refractionRatio = json.refractionRatio; + if (json.lightMap !== void 0) + material.lightMap = getTexture(json.lightMap); + if (json.lightMapIntensity !== void 0) + material.lightMapIntensity = json.lightMapIntensity; + if (json.aoMap !== void 0) + material.aoMap = getTexture(json.aoMap); + if (json.aoMapIntensity !== void 0) + material.aoMapIntensity = json.aoMapIntensity; + if (json.gradientMap !== void 0) + material.gradientMap = getTexture(json.gradientMap); + if (json.clearcoatMap !== void 0) + material.clearcoatMap = getTexture(json.clearcoatMap); + if (json.clearcoatRoughnessMap !== void 0) + material.clearcoatRoughnessMap = getTexture(json.clearcoatRoughnessMap); + if (json.clearcoatNormalMap !== void 0) + material.clearcoatNormalMap = getTexture(json.clearcoatNormalMap); + if (json.clearcoatNormalScale !== void 0) + material.clearcoatNormalScale = new Vector2().fromArray(json.clearcoatNormalScale); + if (json.iridescenceMap !== void 0) + material.iridescenceMap = getTexture(json.iridescenceMap); + if (json.iridescenceThicknessMap !== void 0) + material.iridescenceThicknessMap = getTexture(json.iridescenceThicknessMap); + if (json.transmissionMap !== void 0) + material.transmissionMap = getTexture(json.transmissionMap); + if (json.thicknessMap !== void 0) + material.thicknessMap = getTexture(json.thicknessMap); + if (json.anisotropyMap !== void 0) + material.anisotropyMap = getTexture(json.anisotropyMap); + if (json.sheenColorMap !== void 0) + material.sheenColorMap = getTexture(json.sheenColorMap); + if (json.sheenRoughnessMap !== void 0) + material.sheenRoughnessMap = getTexture(json.sheenRoughnessMap); + return material; + } + setTextures(value) { + this.textures = value; + return this; + } + static createMaterialFromType(type) { + const materialLib = { + ShadowMaterial, + SpriteMaterial, + RawShaderMaterial, + ShaderMaterial, + PointsMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshPhongMaterial, + MeshToonMaterial, + MeshNormalMaterial, + MeshLambertMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshBasicMaterial, + MeshMatcapMaterial, + LineDashedMaterial, + LineBasicMaterial, + Material + }; + return new materialLib[type](); + } +} +class LoaderUtils { + static decodeText(array) { + if (typeof TextDecoder !== "undefined") { + return new TextDecoder().decode(array); + } + let s = ""; + for (let i = 0, il = array.length; i < il; i++) { + s += String.fromCharCode(array[i]); + } + try { + return decodeURIComponent(escape(s)); + } catch (e) { + return s; + } + } + static extractUrlBase(url) { + const index = url.lastIndexOf("/"); + if (index === -1) + return "./"; + return url.slice(0, index + 1); + } + static resolveURL(url, path) { + if (typeof url !== "string" || url === "") + return ""; + if (/^https?:\/\//i.test(path) && /^\//.test(url)) { + path = path.replace(/(^https?:\/\/[^\/]+).*/i, "$1"); + } + if (/^(https?:)?\/\//i.test(url)) + return url; + if (/^data:.*,.*$/i.test(url)) + return url; + if (/^blob:.*$/i.test(url)) + return url; + return path + url; + } +} +class InstancedBufferGeometry extends BufferGeometry { + constructor() { + super(); + this.isInstancedBufferGeometry = true; + this.type = "InstancedBufferGeometry"; + this.instanceCount = Infinity; + } + copy(source) { + super.copy(source); + this.instanceCount = source.instanceCount; + return this; + } + toJSON() { + const data = super.toJSON(); + data.instanceCount = this.instanceCount; + data.isInstancedBufferGeometry = true; + return data; + } +} +class BufferGeometryLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(scope.manager); + loader.setPath(scope.path); + loader.setRequestHeader(scope.requestHeader); + loader.setWithCredentials(scope.withCredentials); + loader.load(url, function(text) { + try { + onLoad(scope.parse(JSON.parse(text))); + } catch (e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + }, onProgress, onError); + } + parse(json) { + const interleavedBufferMap = {}; + const arrayBufferMap = {}; + function getInterleavedBuffer(json2, uuid) { + if (interleavedBufferMap[uuid] !== void 0) + return interleavedBufferMap[uuid]; + const interleavedBuffers = json2.interleavedBuffers; + const interleavedBuffer = interleavedBuffers[uuid]; + const buffer = getArrayBuffer(json2, interleavedBuffer.buffer); + const array = getTypedArray(interleavedBuffer.type, buffer); + const ib = new InterleavedBuffer(array, interleavedBuffer.stride); + ib.uuid = interleavedBuffer.uuid; + interleavedBufferMap[uuid] = ib; + return ib; + } + function getArrayBuffer(json2, uuid) { + if (arrayBufferMap[uuid] !== void 0) + return arrayBufferMap[uuid]; + const arrayBuffers = json2.arrayBuffers; + const arrayBuffer = arrayBuffers[uuid]; + const ab = new Uint32Array(arrayBuffer).buffer; + arrayBufferMap[uuid] = ab; + return ab; + } + const geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); + const index = json.data.index; + if (index !== void 0) { + const typedArray = getTypedArray(index.type, index.array); + geometry.setIndex(new BufferAttribute(typedArray, 1)); + } + const attributes = json.data.attributes; + for (const key in attributes) { + const attribute = attributes[key]; + let bufferAttribute; + if (attribute.isInterleavedBufferAttribute) { + const interleavedBuffer = getInterleavedBuffer(json.data, attribute.data); + bufferAttribute = new InterleavedBufferAttribute(interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized); + } else { + const typedArray = getTypedArray(attribute.type, attribute.array); + const bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; + bufferAttribute = new bufferAttributeConstr(typedArray, attribute.itemSize, attribute.normalized); + } + if (attribute.name !== void 0) + bufferAttribute.name = attribute.name; + if (attribute.usage !== void 0) + bufferAttribute.setUsage(attribute.usage); + geometry.setAttribute(key, bufferAttribute); + } + const morphAttributes = json.data.morphAttributes; + if (morphAttributes) { + for (const key in morphAttributes) { + const attributeArray = morphAttributes[key]; + const array = []; + for (let i = 0, il = attributeArray.length; i < il; i++) { + const attribute = attributeArray[i]; + let bufferAttribute; + if (attribute.isInterleavedBufferAttribute) { + const interleavedBuffer = getInterleavedBuffer(json.data, attribute.data); + bufferAttribute = new InterleavedBufferAttribute(interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized); + } else { + const typedArray = getTypedArray(attribute.type, attribute.array); + bufferAttribute = new BufferAttribute(typedArray, attribute.itemSize, attribute.normalized); + } + if (attribute.name !== void 0) + bufferAttribute.name = attribute.name; + array.push(bufferAttribute); + } + geometry.morphAttributes[key] = array; + } + } + const morphTargetsRelative = json.data.morphTargetsRelative; + if (morphTargetsRelative) { + geometry.morphTargetsRelative = true; + } + const groups = json.data.groups || json.data.drawcalls || json.data.offsets; + if (groups !== void 0) { + for (let i = 0, n = groups.length; i !== n; ++i) { + const group = groups[i]; + geometry.addGroup(group.start, group.count, group.materialIndex); + } + } + const boundingSphere = json.data.boundingSphere; + if (boundingSphere !== void 0) { + const center = new Vector3(); + if (boundingSphere.center !== void 0) { + center.fromArray(boundingSphere.center); + } + geometry.boundingSphere = new Sphere(center, boundingSphere.radius); + } + if (json.name) + geometry.name = json.name; + if (json.userData) + geometry.userData = json.userData; + return geometry; + } +} +class ObjectLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const path = this.path === "" ? LoaderUtils.extractUrlBase(url) : this.path; + this.resourcePath = this.resourcePath || path; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(text) { + let json = null; + try { + json = JSON.parse(text); + } catch (error) { + if (onError !== void 0) + onError(error); + console.error("THREE:ObjectLoader: Can't parse " + url + ".", error.message); + return; + } + const metadata = json.metadata; + if (metadata === void 0 || metadata.type === void 0 || metadata.type.toLowerCase() === "geometry") { + if (onError !== void 0) + onError(new Error("THREE.ObjectLoader: Can't load " + url)); + console.error("THREE.ObjectLoader: Can't load " + url); + return; + } + scope.parse(json, onLoad); + }, onProgress, onError); + } + async loadAsync(url, onProgress) { + const scope = this; + const path = this.path === "" ? LoaderUtils.extractUrlBase(url) : this.path; + this.resourcePath = this.resourcePath || path; + const loader = new FileLoader(this.manager); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + const text = await loader.loadAsync(url, onProgress); + const json = JSON.parse(text); + const metadata = json.metadata; + if (metadata === void 0 || metadata.type === void 0 || metadata.type.toLowerCase() === "geometry") { + throw new Error("THREE.ObjectLoader: Can't load " + url); + } + return await scope.parseAsync(json); + } + parse(json, onLoad) { + const animations = this.parseAnimations(json.animations); + const shapes = this.parseShapes(json.shapes); + const geometries = this.parseGeometries(json.geometries, shapes); + const images = this.parseImages(json.images, function() { + if (onLoad !== void 0) + onLoad(object); + }); + const textures = this.parseTextures(json.textures, images); + const materials = this.parseMaterials(json.materials, textures); + const object = this.parseObject(json.object, geometries, materials, textures, animations); + const skeletons = this.parseSkeletons(json.skeletons, object); + this.bindSkeletons(object, skeletons); + if (onLoad !== void 0) { + let hasImages = false; + for (const uuid in images) { + if (images[uuid].data instanceof HTMLImageElement) { + hasImages = true; + break; + } + } + if (hasImages === false) + onLoad(object); + } + return object; + } + async parseAsync(json) { + const animations = this.parseAnimations(json.animations); + const shapes = this.parseShapes(json.shapes); + const geometries = this.parseGeometries(json.geometries, shapes); + const images = await this.parseImagesAsync(json.images); + const textures = this.parseTextures(json.textures, images); + const materials = this.parseMaterials(json.materials, textures); + const object = this.parseObject(json.object, geometries, materials, textures, animations); + const skeletons = this.parseSkeletons(json.skeletons, object); + this.bindSkeletons(object, skeletons); + return object; + } + parseShapes(json) { + const shapes = {}; + if (json !== void 0) { + for (let i = 0, l = json.length; i < l; i++) { + const shape = new Shape().fromJSON(json[i]); + shapes[shape.uuid] = shape; + } + } + return shapes; + } + parseSkeletons(json, object) { + const skeletons = {}; + const bones = {}; + object.traverse(function(child) { + if (child.isBone) + bones[child.uuid] = child; + }); + if (json !== void 0) { + for (let i = 0, l = json.length; i < l; i++) { + const skeleton = new Skeleton().fromJSON(json[i], bones); + skeletons[skeleton.uuid] = skeleton; + } + } + return skeletons; + } + parseGeometries(json, shapes) { + const geometries = {}; + if (json !== void 0) { + const bufferGeometryLoader = new BufferGeometryLoader(); + for (let i = 0, l = json.length; i < l; i++) { + let geometry; + const data = json[i]; + switch (data.type) { + case "BufferGeometry": + case "InstancedBufferGeometry": + geometry = bufferGeometryLoader.parse(data); + break; + default: + if (data.type in Geometries) { + geometry = Geometries[data.type].fromJSON(data, shapes); + } else { + console.warn(`THREE.ObjectLoader: Unsupported geometry type "${data.type}"`); + } + } + geometry.uuid = data.uuid; + if (data.name !== void 0) + geometry.name = data.name; + if (data.userData !== void 0) + geometry.userData = data.userData; + geometries[data.uuid] = geometry; + } + } + return geometries; + } + parseMaterials(json, textures) { + const cache = {}; + const materials = {}; + if (json !== void 0) { + const loader = new MaterialLoader(); + loader.setTextures(textures); + for (let i = 0, l = json.length; i < l; i++) { + const data = json[i]; + if (cache[data.uuid] === void 0) { + cache[data.uuid] = loader.parse(data); + } + materials[data.uuid] = cache[data.uuid]; + } + } + return materials; + } + parseAnimations(json) { + const animations = {}; + if (json !== void 0) { + for (let i = 0; i < json.length; i++) { + const data = json[i]; + const clip = AnimationClip.parse(data); + animations[clip.uuid] = clip; + } + } + return animations; + } + parseImages(json, onLoad) { + const scope = this; + const images = {}; + let loader; + function loadImage(url) { + scope.manager.itemStart(url); + return loader.load(url, function() { + scope.manager.itemEnd(url); + }, void 0, function() { + scope.manager.itemError(url); + scope.manager.itemEnd(url); + }); + } + function deserializeImage(image) { + if (typeof image === "string") { + const url = image; + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test(url) ? url : scope.resourcePath + url; + return loadImage(path); + } else { + if (image.data) { + return { + data: getTypedArray(image.type, image.data), + width: image.width, + height: image.height + }; + } else { + return null; + } + } + } + if (json !== void 0 && json.length > 0) { + const manager = new LoadingManager(onLoad); + loader = new ImageLoader(manager); + loader.setCrossOrigin(this.crossOrigin); + for (let i = 0, il = json.length; i < il; i++) { + const image = json[i]; + const url = image.url; + if (Array.isArray(url)) { + const imageArray = []; + for (let j = 0, jl = url.length; j < jl; j++) { + const currentUrl = url[j]; + const deserializedImage = deserializeImage(currentUrl); + if (deserializedImage !== null) { + if (deserializedImage instanceof HTMLImageElement) { + imageArray.push(deserializedImage); + } else { + imageArray.push(new DataTexture(deserializedImage.data, deserializedImage.width, deserializedImage.height)); + } + } + } + images[image.uuid] = new Source(imageArray); + } else { + const deserializedImage = deserializeImage(image.url); + images[image.uuid] = new Source(deserializedImage); + } + } + } + return images; + } + async parseImagesAsync(json) { + const scope = this; + const images = {}; + let loader; + async function deserializeImage(image) { + if (typeof image === "string") { + const url = image; + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test(url) ? url : scope.resourcePath + url; + return await loader.loadAsync(path); + } else { + if (image.data) { + return { + data: getTypedArray(image.type, image.data), + width: image.width, + height: image.height + }; + } else { + return null; + } + } + } + if (json !== void 0 && json.length > 0) { + loader = new ImageLoader(this.manager); + loader.setCrossOrigin(this.crossOrigin); + for (let i = 0, il = json.length; i < il; i++) { + const image = json[i]; + const url = image.url; + if (Array.isArray(url)) { + const imageArray = []; + for (let j = 0, jl = url.length; j < jl; j++) { + const currentUrl = url[j]; + const deserializedImage = await deserializeImage(currentUrl); + if (deserializedImage !== null) { + if (deserializedImage instanceof HTMLImageElement) { + imageArray.push(deserializedImage); + } else { + imageArray.push(new DataTexture(deserializedImage.data, deserializedImage.width, deserializedImage.height)); + } + } + } + images[image.uuid] = new Source(imageArray); + } else { + const deserializedImage = await deserializeImage(image.url); + images[image.uuid] = new Source(deserializedImage); + } + } + } + return images; + } + parseTextures(json, images) { + function parseConstant(value, type) { + if (typeof value === "number") + return value; + console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.", value); + return type[value]; + } + const textures = {}; + if (json !== void 0) { + for (let i = 0, l = json.length; i < l; i++) { + const data = json[i]; + if (data.image === void 0) { + console.warn('THREE.ObjectLoader: No "image" specified for', data.uuid); + } + if (images[data.image] === void 0) { + console.warn("THREE.ObjectLoader: Undefined image", data.image); + } + const source = images[data.image]; + const image = source.data; + let texture; + if (Array.isArray(image)) { + texture = new CubeTexture(); + if (image.length === 6) + texture.needsUpdate = true; + } else { + if (image && image.data) { + texture = new DataTexture(); + } else { + texture = new Texture(); + } + if (image) + texture.needsUpdate = true; + } + texture.source = source; + texture.uuid = data.uuid; + if (data.name !== void 0) + texture.name = data.name; + if (data.mapping !== void 0) + texture.mapping = parseConstant(data.mapping, TEXTURE_MAPPING); + if (data.channel !== void 0) + texture.channel = data.channel; + if (data.offset !== void 0) + texture.offset.fromArray(data.offset); + if (data.repeat !== void 0) + texture.repeat.fromArray(data.repeat); + if (data.center !== void 0) + texture.center.fromArray(data.center); + if (data.rotation !== void 0) + texture.rotation = data.rotation; + if (data.wrap !== void 0) { + texture.wrapS = parseConstant(data.wrap[0], TEXTURE_WRAPPING); + texture.wrapT = parseConstant(data.wrap[1], TEXTURE_WRAPPING); + } + if (data.format !== void 0) + texture.format = data.format; + if (data.internalFormat !== void 0) + texture.internalFormat = data.internalFormat; + if (data.type !== void 0) + texture.type = data.type; + if (data.colorSpace !== void 0) + texture.colorSpace = data.colorSpace; + if (data.encoding !== void 0) + texture.encoding = data.encoding; + if (data.minFilter !== void 0) + texture.minFilter = parseConstant(data.minFilter, TEXTURE_FILTER); + if (data.magFilter !== void 0) + texture.magFilter = parseConstant(data.magFilter, TEXTURE_FILTER); + if (data.anisotropy !== void 0) + texture.anisotropy = data.anisotropy; + if (data.flipY !== void 0) + texture.flipY = data.flipY; + if (data.generateMipmaps !== void 0) + texture.generateMipmaps = data.generateMipmaps; + if (data.premultiplyAlpha !== void 0) + texture.premultiplyAlpha = data.premultiplyAlpha; + if (data.unpackAlignment !== void 0) + texture.unpackAlignment = data.unpackAlignment; + if (data.compareFunction !== void 0) + texture.compareFunction = data.compareFunction; + if (data.userData !== void 0) + texture.userData = data.userData; + textures[data.uuid] = texture; + } + } + return textures; + } + parseObject(data, geometries, materials, textures, animations) { + let object; + function getGeometry(name) { + if (geometries[name] === void 0) { + console.warn("THREE.ObjectLoader: Undefined geometry", name); + } + return geometries[name]; + } + function getMaterial(name) { + if (name === void 0) + return void 0; + if (Array.isArray(name)) { + const array = []; + for (let i = 0, l = name.length; i < l; i++) { + const uuid = name[i]; + if (materials[uuid] === void 0) { + console.warn("THREE.ObjectLoader: Undefined material", uuid); + } + array.push(materials[uuid]); + } + return array; + } + if (materials[name] === void 0) { + console.warn("THREE.ObjectLoader: Undefined material", name); + } + return materials[name]; + } + function getTexture(uuid) { + if (textures[uuid] === void 0) { + console.warn("THREE.ObjectLoader: Undefined texture", uuid); + } + return textures[uuid]; + } + let geometry, material; + switch (data.type) { + case "Scene": + object = new Scene$1(); + if (data.background !== void 0) { + if (Number.isInteger(data.background)) { + object.background = new Color(data.background); + } else { + object.background = getTexture(data.background); + } + } + if (data.environment !== void 0) { + object.environment = getTexture(data.environment); + } + if (data.fog !== void 0) { + if (data.fog.type === "Fog") { + object.fog = new Fog(data.fog.color, data.fog.near, data.fog.far); + } else if (data.fog.type === "FogExp2") { + object.fog = new FogExp2(data.fog.color, data.fog.density); + } + if (data.fog.name !== "") { + object.fog.name = data.fog.name; + } + } + if (data.backgroundBlurriness !== void 0) + object.backgroundBlurriness = data.backgroundBlurriness; + if (data.backgroundIntensity !== void 0) + object.backgroundIntensity = data.backgroundIntensity; + break; + case "PerspectiveCamera": + object = new PerspectiveCamera(data.fov, data.aspect, data.near, data.far); + if (data.focus !== void 0) + object.focus = data.focus; + if (data.zoom !== void 0) + object.zoom = data.zoom; + if (data.filmGauge !== void 0) + object.filmGauge = data.filmGauge; + if (data.filmOffset !== void 0) + object.filmOffset = data.filmOffset; + if (data.view !== void 0) + object.view = Object.assign({}, data.view); + break; + case "OrthographicCamera": + object = new OrthographicCamera(data.left, data.right, data.top, data.bottom, data.near, data.far); + if (data.zoom !== void 0) + object.zoom = data.zoom; + if (data.view !== void 0) + object.view = Object.assign({}, data.view); + break; + case "AmbientLight": + object = new AmbientLight(data.color, data.intensity); + break; + case "DirectionalLight": + object = new DirectionalLight(data.color, data.intensity); + break; + case "PointLight": + object = new PointLight(data.color, data.intensity, data.distance, data.decay); + break; + case "RectAreaLight": + object = new RectAreaLight(data.color, data.intensity, data.width, data.height); + break; + case "SpotLight": + object = new SpotLight(data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay); + break; + case "HemisphereLight": + object = new HemisphereLight(data.color, data.groundColor, data.intensity); + break; + case "LightProbe": + object = new LightProbe().fromJSON(data); + break; + case "SkinnedMesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + object = new SkinnedMesh(geometry, material); + if (data.bindMode !== void 0) + object.bindMode = data.bindMode; + if (data.bindMatrix !== void 0) + object.bindMatrix.fromArray(data.bindMatrix); + if (data.skeleton !== void 0) + object.skeleton = data.skeleton; + break; + case "Mesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + object = new Mesh(geometry, material); + break; + case "InstancedMesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + const count = data.count; + const instanceMatrix = data.instanceMatrix; + const instanceColor = data.instanceColor; + object = new InstancedMesh(geometry, material, count); + object.instanceMatrix = new InstancedBufferAttribute(new Float32Array(instanceMatrix.array), 16); + if (instanceColor !== void 0) + object.instanceColor = new InstancedBufferAttribute(new Float32Array(instanceColor.array), instanceColor.itemSize); + break; + case "BatchedMesh": + geometry = getGeometry(data.geometry); + material = getMaterial(data.material); + object = new BatchedMesh(data.maxGeometryCount, data.maxVertexCount, data.maxIndexCount, material); + object.geometry = geometry; + object.perObjectFrustumCulled = data.perObjectFrustumCulled; + object.sortObjects = data.sortObjects; + object._drawRanges = data.drawRanges; + object._reservedRanges = data.reservedRanges; + object._visibility = data.visibility; + object._active = data.active; + object._bounds = data.bounds.map((bound) => { + const box = new Box3(); + box.min.fromArray(bound.boxMin); + box.max.fromArray(bound.boxMax); + const sphere = new Sphere(); + sphere.radius = bound.sphereRadius; + sphere.center.fromArray(bound.sphereCenter); + return { + boxInitialized: bound.boxInitialized, + box, + sphereInitialized: bound.sphereInitialized, + sphere + }; + }); + object._maxGeometryCount = data.maxGeometryCount; + object._maxVertexCount = data.maxVertexCount; + object._maxIndexCount = data.maxIndexCount; + object._geometryInitialized = data.geometryInitialized; + object._geometryCount = data.geometryCount; + object._matricesTexture = getTexture(data.matricesTexture.uuid); + break; + case "LOD": + object = new LOD(); + break; + case "Line": + object = new Line(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "LineLoop": + object = new LineLoop(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "LineSegments": + object = new LineSegments(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "PointCloud": + case "Points": + object = new Points(getGeometry(data.geometry), getMaterial(data.material)); + break; + case "Sprite": + object = new Sprite(getMaterial(data.material)); + break; + case "Group": + object = new Group(); + break; + case "Bone": + object = new Bone(); + break; + default: + object = new Object3D(); + } + object.uuid = data.uuid; + if (data.name !== void 0) + object.name = data.name; + if (data.matrix !== void 0) { + object.matrix.fromArray(data.matrix); + if (data.matrixAutoUpdate !== void 0) + object.matrixAutoUpdate = data.matrixAutoUpdate; + if (object.matrixAutoUpdate) + object.matrix.decompose(object.position, object.quaternion, object.scale); + } else { + if (data.position !== void 0) + object.position.fromArray(data.position); + if (data.rotation !== void 0) + object.rotation.fromArray(data.rotation); + if (data.quaternion !== void 0) + object.quaternion.fromArray(data.quaternion); + if (data.scale !== void 0) + object.scale.fromArray(data.scale); + } + if (data.up !== void 0) + object.up.fromArray(data.up); + if (data.castShadow !== void 0) + object.castShadow = data.castShadow; + if (data.receiveShadow !== void 0) + object.receiveShadow = data.receiveShadow; + if (data.shadow) { + if (data.shadow.bias !== void 0) + object.shadow.bias = data.shadow.bias; + if (data.shadow.normalBias !== void 0) + object.shadow.normalBias = data.shadow.normalBias; + if (data.shadow.radius !== void 0) + object.shadow.radius = data.shadow.radius; + if (data.shadow.mapSize !== void 0) + object.shadow.mapSize.fromArray(data.shadow.mapSize); + if (data.shadow.camera !== void 0) + object.shadow.camera = this.parseObject(data.shadow.camera); + } + if (data.visible !== void 0) + object.visible = data.visible; + if (data.frustumCulled !== void 0) + object.frustumCulled = data.frustumCulled; + if (data.renderOrder !== void 0) + object.renderOrder = data.renderOrder; + if (data.userData !== void 0) + object.userData = data.userData; + if (data.layers !== void 0) + object.layers.mask = data.layers; + if (data.children !== void 0) { + const children = data.children; + for (let i = 0; i < children.length; i++) { + object.add(this.parseObject(children[i], geometries, materials, textures, animations)); + } + } + if (data.animations !== void 0) { + const objectAnimations = data.animations; + for (let i = 0; i < objectAnimations.length; i++) { + const uuid = objectAnimations[i]; + object.animations.push(animations[uuid]); + } + } + if (data.type === "LOD") { + if (data.autoUpdate !== void 0) + object.autoUpdate = data.autoUpdate; + const levels = data.levels; + for (let l = 0; l < levels.length; l++) { + const level = levels[l]; + const child = object.getObjectByProperty("uuid", level.object); + if (child !== void 0) { + object.addLevel(child, level.distance, level.hysteresis); + } + } + } + return object; + } + bindSkeletons(object, skeletons) { + if (Object.keys(skeletons).length === 0) + return; + object.traverse(function(child) { + if (child.isSkinnedMesh === true && child.skeleton !== void 0) { + const skeleton = skeletons[child.skeleton]; + if (skeleton === void 0) { + console.warn("THREE.ObjectLoader: No skeleton found with UUID:", child.skeleton); + } else { + child.bind(skeleton, child.bindMatrix); + } + } + }); + } +} +const TEXTURE_MAPPING = { + UVMapping, + CubeReflectionMapping, + CubeRefractionMapping, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + CubeUVReflectionMapping +}; +const TEXTURE_WRAPPING = { + RepeatWrapping, + ClampToEdgeWrapping, + MirroredRepeatWrapping +}; +const TEXTURE_FILTER = { + NearestFilter, + NearestMipmapNearestFilter, + NearestMipmapLinearFilter, + LinearFilter, + LinearMipmapNearestFilter, + LinearMipmapLinearFilter +}; +class ImageBitmapLoader extends Loader { + constructor(manager) { + super(manager); + this.isImageBitmapLoader = true; + if (typeof createImageBitmap === "undefined") { + console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."); + } + if (typeof fetch === "undefined") { + console.warn("THREE.ImageBitmapLoader: fetch() not supported."); + } + this.options = { premultiplyAlpha: "none" }; + } + setOptions(options) { + this.options = options; + return this; + } + load(url, onLoad, onProgress, onError) { + if (url === void 0) + url = ""; + if (this.path !== void 0) + url = this.path + url; + url = this.manager.resolveURL(url); + const scope = this; + const cached = Cache.get(url); + if (cached !== void 0) { + scope.manager.itemStart(url); + setTimeout(function() { + if (onLoad) + onLoad(cached); + scope.manager.itemEnd(url); + }, 0); + return cached; + } + const fetchOptions = {}; + fetchOptions.credentials = this.crossOrigin === "anonymous" ? "same-origin" : "include"; + fetchOptions.headers = this.requestHeader; + fetch(url, fetchOptions).then(function(res) { + return res.blob(); + }).then(function(blob) { + return createImageBitmap(blob, Object.assign(scope.options, { colorSpaceConversion: "none" })); + }).then(function(imageBitmap) { + Cache.add(url, imageBitmap); + if (onLoad) + onLoad(imageBitmap); + scope.manager.itemEnd(url); + }).catch(function(e) { + if (onError) + onError(e); + scope.manager.itemError(url); + scope.manager.itemEnd(url); + }); + scope.manager.itemStart(url); + } +} +let _context; +class AudioContext { + static getContext() { + if (_context === void 0) { + _context = new (window.AudioContext || window.webkitAudioContext)(); + } + return _context; + } + static setContext(value) { + _context = value; + } +} +class AudioLoader extends Loader { + constructor(manager) { + super(manager); + } + load(url, onLoad, onProgress, onError) { + const scope = this; + const loader = new FileLoader(this.manager); + loader.setResponseType("arraybuffer"); + loader.setPath(this.path); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function(buffer) { + try { + const bufferCopy = buffer.slice(0); + const context = AudioContext.getContext(); + context.decodeAudioData(bufferCopy, function(audioBuffer) { + onLoad(audioBuffer); + }).catch(handleError); + } catch (e) { + handleError(e); + } + }, onProgress, onError); + function handleError(e) { + if (onError) { + onError(e); + } else { + console.error(e); + } + scope.manager.itemError(url); + } + } +} +const _eyeRight = /* @__PURE__ */ new Matrix4(); +const _eyeLeft = /* @__PURE__ */ new Matrix4(); +const _projectionMatrix = /* @__PURE__ */ new Matrix4(); +class StereoCamera { + constructor() { + this.type = "StereoCamera"; + this.aspect = 1; + this.eyeSep = 0.064; + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable(1); + this.cameraL.matrixAutoUpdate = false; + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable(2); + this.cameraR.matrixAutoUpdate = false; + this._cache = { + focus: null, + fov: null, + aspect: null, + near: null, + far: null, + zoom: null, + eyeSep: null + }; + } + update(camera) { + const cache = this._cache; + const needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; + if (needsUpdate) { + cache.focus = camera.focus; + cache.fov = camera.fov; + cache.aspect = camera.aspect * this.aspect; + cache.near = camera.near; + cache.far = camera.far; + cache.zoom = camera.zoom; + cache.eyeSep = this.eyeSep; + _projectionMatrix.copy(camera.projectionMatrix); + const eyeSepHalf = cache.eyeSep / 2; + const eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; + const ymax = cache.near * Math.tan(DEG2RAD * cache.fov * 0.5) / cache.zoom; + let xmin, xmax; + _eyeLeft.elements[12] = -eyeSepHalf; + _eyeRight.elements[12] = eyeSepHalf; + xmin = -ymax * cache.aspect + eyeSepOnProjection; + xmax = ymax * cache.aspect + eyeSepOnProjection; + _projectionMatrix.elements[0] = 2 * cache.near / (xmax - xmin); + _projectionMatrix.elements[8] = (xmax + xmin) / (xmax - xmin); + this.cameraL.projectionMatrix.copy(_projectionMatrix); + xmin = -ymax * cache.aspect - eyeSepOnProjection; + xmax = ymax * cache.aspect - eyeSepOnProjection; + _projectionMatrix.elements[0] = 2 * cache.near / (xmax - xmin); + _projectionMatrix.elements[8] = (xmax + xmin) / (xmax - xmin); + this.cameraR.projectionMatrix.copy(_projectionMatrix); + } + this.cameraL.matrixWorld.copy(camera.matrixWorld).multiply(_eyeLeft); + this.cameraR.matrixWorld.copy(camera.matrixWorld).multiply(_eyeRight); + } +} +class Clock { + constructor(autoStart = true) { + this.autoStart = autoStart; + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + this.running = false; + } + start() { + this.startTime = now(); + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + } + stop() { + this.getElapsedTime(); + this.running = false; + this.autoStart = false; + } + getElapsedTime() { + this.getDelta(); + return this.elapsedTime; + } + getDelta() { + let diff = 0; + if (this.autoStart && !this.running) { + this.start(); + return 0; + } + if (this.running) { + const newTime = now(); + diff = (newTime - this.oldTime) / 1e3; + this.oldTime = newTime; + this.elapsedTime += diff; + } + return diff; + } +} +function now() { + return (typeof performance === "undefined" ? Date : performance).now(); +} +const _position$1 = /* @__PURE__ */ new Vector3(); +const _quaternion$1 = /* @__PURE__ */ new Quaternion(); +const _scale$1 = /* @__PURE__ */ new Vector3(); +const _orientation$1 = /* @__PURE__ */ new Vector3(); +class AudioListener extends Object3D { + constructor() { + super(); + this.type = "AudioListener"; + this.context = AudioContext.getContext(); + this.gain = this.context.createGain(); + this.gain.connect(this.context.destination); + this.filter = null; + this.timeDelta = 0; + this._clock = new Clock(); + } + getInput() { + return this.gain; + } + removeFilter() { + if (this.filter !== null) { + this.gain.disconnect(this.filter); + this.filter.disconnect(this.context.destination); + this.gain.connect(this.context.destination); + this.filter = null; + } + return this; + } + getFilter() { + return this.filter; + } + setFilter(value) { + if (this.filter !== null) { + this.gain.disconnect(this.filter); + this.filter.disconnect(this.context.destination); + } else { + this.gain.disconnect(this.context.destination); + } + this.filter = value; + this.gain.connect(this.filter); + this.filter.connect(this.context.destination); + return this; + } + getMasterVolume() { + return this.gain.gain.value; + } + setMasterVolume(value) { + this.gain.gain.setTargetAtTime(value, this.context.currentTime, 0.01); + return this; + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + const listener = this.context.listener; + const up = this.up; + this.timeDelta = this._clock.getDelta(); + this.matrixWorld.decompose(_position$1, _quaternion$1, _scale$1); + _orientation$1.set(0, 0, -1).applyQuaternion(_quaternion$1); + if (listener.positionX) { + const endTime = this.context.currentTime + this.timeDelta; + listener.positionX.linearRampToValueAtTime(_position$1.x, endTime); + listener.positionY.linearRampToValueAtTime(_position$1.y, endTime); + listener.positionZ.linearRampToValueAtTime(_position$1.z, endTime); + listener.forwardX.linearRampToValueAtTime(_orientation$1.x, endTime); + listener.forwardY.linearRampToValueAtTime(_orientation$1.y, endTime); + listener.forwardZ.linearRampToValueAtTime(_orientation$1.z, endTime); + listener.upX.linearRampToValueAtTime(up.x, endTime); + listener.upY.linearRampToValueAtTime(up.y, endTime); + listener.upZ.linearRampToValueAtTime(up.z, endTime); + } else { + listener.setPosition(_position$1.x, _position$1.y, _position$1.z); + listener.setOrientation(_orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z); + } + } +} +class Audio extends Object3D { + constructor(listener) { + super(); + this.type = "Audio"; + this.listener = listener; + this.context = listener.context; + this.gain = this.context.createGain(); + this.gain.connect(listener.getInput()); + this.autoplay = false; + this.buffer = null; + this.detune = 0; + this.loop = false; + this.loopStart = 0; + this.loopEnd = 0; + this.offset = 0; + this.duration = void 0; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.source = null; + this.sourceType = "empty"; + this._startedAt = 0; + this._progress = 0; + this._connected = false; + this.filters = []; + } + getOutput() { + return this.gain; + } + setNodeSource(audioNode) { + this.hasPlaybackControl = false; + this.sourceType = "audioNode"; + this.source = audioNode; + this.connect(); + return this; + } + setMediaElementSource(mediaElement) { + this.hasPlaybackControl = false; + this.sourceType = "mediaNode"; + this.source = this.context.createMediaElementSource(mediaElement); + this.connect(); + return this; + } + setMediaStreamSource(mediaStream) { + this.hasPlaybackControl = false; + this.sourceType = "mediaStreamNode"; + this.source = this.context.createMediaStreamSource(mediaStream); + this.connect(); + return this; + } + setBuffer(audioBuffer) { + this.buffer = audioBuffer; + this.sourceType = "buffer"; + if (this.autoplay) + this.play(); + return this; + } + play(delay = 0) { + if (this.isPlaying === true) { + console.warn("THREE.Audio: Audio is already playing."); + return; + } + if (this.hasPlaybackControl === false) { + console.warn("THREE.Audio: this Audio has no playback control."); + return; + } + this._startedAt = this.context.currentTime + delay; + const source = this.context.createBufferSource(); + source.buffer = this.buffer; + source.loop = this.loop; + source.loopStart = this.loopStart; + source.loopEnd = this.loopEnd; + source.onended = this.onEnded.bind(this); + source.start(this._startedAt, this._progress + this.offset, this.duration); + this.isPlaying = true; + this.source = source; + this.setDetune(this.detune); + this.setPlaybackRate(this.playbackRate); + return this.connect(); + } + pause() { + if (this.hasPlaybackControl === false) { + console.warn("THREE.Audio: this Audio has no playback control."); + return; + } + if (this.isPlaying === true) { + this._progress += Math.max(this.context.currentTime - this._startedAt, 0) * this.playbackRate; + if (this.loop === true) { + this._progress = this._progress % (this.duration || this.buffer.duration); + } + this.source.stop(); + this.source.onended = null; + this.isPlaying = false; + } + return this; + } + stop() { + if (this.hasPlaybackControl === false) { + console.warn("THREE.Audio: this Audio has no playback control."); + return; + } + this._progress = 0; + if (this.source !== null) { + this.source.stop(); + this.source.onended = null; + } + this.isPlaying = false; + return this; + } + connect() { + if (this.filters.length > 0) { + this.source.connect(this.filters[0]); + for (let i = 1, l = this.filters.length; i < l; i++) { + this.filters[i - 1].connect(this.filters[i]); + } + this.filters[this.filters.length - 1].connect(this.getOutput()); + } else { + this.source.connect(this.getOutput()); + } + this._connected = true; + return this; + } + disconnect() { + if (this._connected === false) { + return; + } + if (this.filters.length > 0) { + this.source.disconnect(this.filters[0]); + for (let i = 1, l = this.filters.length; i < l; i++) { + this.filters[i - 1].disconnect(this.filters[i]); + } + this.filters[this.filters.length - 1].disconnect(this.getOutput()); + } else { + this.source.disconnect(this.getOutput()); + } + this._connected = false; + return this; + } + getFilters() { + return this.filters; + } + setFilters(value) { + if (!value) + value = []; + if (this._connected === true) { + this.disconnect(); + this.filters = value.slice(); + this.connect(); + } else { + this.filters = value.slice(); + } + return this; + } + setDetune(value) { + this.detune = value; + if (this.source.detune === void 0) + return; + if (this.isPlaying === true) { + this.source.detune.setTargetAtTime(this.detune, this.context.currentTime, 0.01); + } + return this; + } + getDetune() { + return this.detune; + } + getFilter() { + return this.getFilters()[0]; + } + setFilter(filter) { + return this.setFilters(filter ? [filter] : []); + } + setPlaybackRate(value) { + if (this.hasPlaybackControl === false) { + console.warn("THREE.Audio: this Audio has no playback control."); + return; + } + this.playbackRate = value; + if (this.isPlaying === true) { + this.source.playbackRate.setTargetAtTime(this.playbackRate, this.context.currentTime, 0.01); + } + return this; + } + getPlaybackRate() { + return this.playbackRate; + } + onEnded() { + this.isPlaying = false; + } + getLoop() { + if (this.hasPlaybackControl === false) { + console.warn("THREE.Audio: this Audio has no playback control."); + return false; + } + return this.loop; + } + setLoop(value) { + if (this.hasPlaybackControl === false) { + console.warn("THREE.Audio: this Audio has no playback control."); + return; + } + this.loop = value; + if (this.isPlaying === true) { + this.source.loop = this.loop; + } + return this; + } + setLoopStart(value) { + this.loopStart = value; + return this; + } + setLoopEnd(value) { + this.loopEnd = value; + return this; + } + getVolume() { + return this.gain.gain.value; + } + setVolume(value) { + this.gain.gain.setTargetAtTime(value, this.context.currentTime, 0.01); + return this; + } +} +const _position = /* @__PURE__ */ new Vector3(); +const _quaternion = /* @__PURE__ */ new Quaternion(); +const _scale = /* @__PURE__ */ new Vector3(); +const _orientation = /* @__PURE__ */ new Vector3(); +class PositionalAudio extends Audio { + constructor(listener) { + super(listener); + this.panner = this.context.createPanner(); + this.panner.panningModel = "HRTF"; + this.panner.connect(this.gain); + } + connect() { + super.connect(); + this.panner.connect(this.gain); + } + disconnect() { + super.disconnect(); + this.panner.disconnect(this.gain); + } + getOutput() { + return this.panner; + } + getRefDistance() { + return this.panner.refDistance; + } + setRefDistance(value) { + this.panner.refDistance = value; + return this; + } + getRolloffFactor() { + return this.panner.rolloffFactor; + } + setRolloffFactor(value) { + this.panner.rolloffFactor = value; + return this; + } + getDistanceModel() { + return this.panner.distanceModel; + } + setDistanceModel(value) { + this.panner.distanceModel = value; + return this; + } + getMaxDistance() { + return this.panner.maxDistance; + } + setMaxDistance(value) { + this.panner.maxDistance = value; + return this; + } + setDirectionalCone(coneInnerAngle, coneOuterAngle, coneOuterGain) { + this.panner.coneInnerAngle = coneInnerAngle; + this.panner.coneOuterAngle = coneOuterAngle; + this.panner.coneOuterGain = coneOuterGain; + return this; + } + updateMatrixWorld(force) { + super.updateMatrixWorld(force); + if (this.hasPlaybackControl === true && this.isPlaying === false) + return; + this.matrixWorld.decompose(_position, _quaternion, _scale); + _orientation.set(0, 0, 1).applyQuaternion(_quaternion); + const panner = this.panner; + if (panner.positionX) { + const endTime = this.context.currentTime + this.listener.timeDelta; + panner.positionX.linearRampToValueAtTime(_position.x, endTime); + panner.positionY.linearRampToValueAtTime(_position.y, endTime); + panner.positionZ.linearRampToValueAtTime(_position.z, endTime); + panner.orientationX.linearRampToValueAtTime(_orientation.x, endTime); + panner.orientationY.linearRampToValueAtTime(_orientation.y, endTime); + panner.orientationZ.linearRampToValueAtTime(_orientation.z, endTime); + } else { + panner.setPosition(_position.x, _position.y, _position.z); + panner.setOrientation(_orientation.x, _orientation.y, _orientation.z); + } + } +} +class AudioAnalyser { + constructor(audio, fftSize = 2048) { + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize; + this.data = new Uint8Array(this.analyser.frequencyBinCount); + audio.getOutput().connect(this.analyser); + } + getFrequencyData() { + this.analyser.getByteFrequencyData(this.data); + return this.data; + } + getAverageFrequency() { + let value = 0; + const data = this.getFrequencyData(); + for (let i = 0; i < data.length; i++) { + value += data[i]; + } + return value / data.length; + } +} +class PropertyMixer { + constructor(binding, typeName, valueSize) { + this.binding = binding; + this.valueSize = valueSize; + let mixFunction, mixFunctionAdditive, setIdentity; + switch (typeName) { + case "quaternion": + mixFunction = this._slerp; + mixFunctionAdditive = this._slerpAdditive; + setIdentity = this._setAdditiveIdentityQuaternion; + this.buffer = new Float64Array(valueSize * 6); + this._workIndex = 5; + break; + case "string": + case "bool": + mixFunction = this._select; + mixFunctionAdditive = this._select; + setIdentity = this._setAdditiveIdentityOther; + this.buffer = new Array(valueSize * 5); + break; + default: + mixFunction = this._lerp; + mixFunctionAdditive = this._lerpAdditive; + setIdentity = this._setAdditiveIdentityNumeric; + this.buffer = new Float64Array(valueSize * 5); + } + this._mixBufferRegion = mixFunction; + this._mixBufferRegionAdditive = mixFunctionAdditive; + this._setIdentity = setIdentity; + this._origIndex = 3; + this._addIndex = 4; + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + this.useCount = 0; + this.referenceCount = 0; + } + // accumulate data in the 'incoming' region into 'accu' + accumulate(accuIndex, weight) { + const buffer = this.buffer, stride = this.valueSize, offset = accuIndex * stride + stride; + let currentWeight = this.cumulativeWeight; + if (currentWeight === 0) { + for (let i = 0; i !== stride; ++i) { + buffer[offset + i] = buffer[i]; + } + currentWeight = weight; + } else { + currentWeight += weight; + const mix = weight / currentWeight; + this._mixBufferRegion(buffer, offset, 0, mix, stride); + } + this.cumulativeWeight = currentWeight; + } + // accumulate data in the 'incoming' region into 'add' + accumulateAdditive(weight) { + const buffer = this.buffer, stride = this.valueSize, offset = stride * this._addIndex; + if (this.cumulativeWeightAdditive === 0) { + this._setIdentity(); + } + this._mixBufferRegionAdditive(buffer, offset, 0, weight, stride); + this.cumulativeWeightAdditive += weight; + } + // apply the state of 'accu' to the binding when accus differ + apply(accuIndex) { + const stride = this.valueSize, buffer = this.buffer, offset = accuIndex * stride + stride, weight = this.cumulativeWeight, weightAdditive = this.cumulativeWeightAdditive, binding = this.binding; + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + if (weight < 1) { + const originalValueOffset = stride * this._origIndex; + this._mixBufferRegion( + buffer, + offset, + originalValueOffset, + 1 - weight, + stride + ); + } + if (weightAdditive > 0) { + this._mixBufferRegionAdditive(buffer, offset, this._addIndex * stride, 1, stride); + } + for (let i = stride, e = stride + stride; i !== e; ++i) { + if (buffer[i] !== buffer[i + stride]) { + binding.setValue(buffer, offset); + break; + } + } + } + // remember the state of the bound property and copy it to both accus + saveOriginalState() { + const binding = this.binding; + const buffer = this.buffer, stride = this.valueSize, originalValueOffset = stride * this._origIndex; + binding.getValue(buffer, originalValueOffset); + for (let i = stride, e = originalValueOffset; i !== e; ++i) { + buffer[i] = buffer[originalValueOffset + i % stride]; + } + this._setIdentity(); + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + } + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState() { + const originalValueOffset = this.valueSize * 3; + this.binding.setValue(this.buffer, originalValueOffset); + } + _setAdditiveIdentityNumeric() { + const startIndex = this._addIndex * this.valueSize; + const endIndex = startIndex + this.valueSize; + for (let i = startIndex; i < endIndex; i++) { + this.buffer[i] = 0; + } + } + _setAdditiveIdentityQuaternion() { + this._setAdditiveIdentityNumeric(); + this.buffer[this._addIndex * this.valueSize + 3] = 1; + } + _setAdditiveIdentityOther() { + const startIndex = this._origIndex * this.valueSize; + const targetIndex = this._addIndex * this.valueSize; + for (let i = 0; i < this.valueSize; i++) { + this.buffer[targetIndex + i] = this.buffer[startIndex + i]; + } + } + // mix functions + _select(buffer, dstOffset, srcOffset, t, stride) { + if (t >= 0.5) { + for (let i = 0; i !== stride; ++i) { + buffer[dstOffset + i] = buffer[srcOffset + i]; + } + } + } + _slerp(buffer, dstOffset, srcOffset, t) { + Quaternion.slerpFlat(buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t); + } + _slerpAdditive(buffer, dstOffset, srcOffset, t, stride) { + const workOffset = this._workIndex * stride; + Quaternion.multiplyQuaternionsFlat(buffer, workOffset, buffer, dstOffset, buffer, srcOffset); + Quaternion.slerpFlat(buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t); + } + _lerp(buffer, dstOffset, srcOffset, t, stride) { + const s = 1 - t; + for (let i = 0; i !== stride; ++i) { + const j = dstOffset + i; + buffer[j] = buffer[j] * s + buffer[srcOffset + i] * t; + } + } + _lerpAdditive(buffer, dstOffset, srcOffset, t, stride) { + for (let i = 0; i !== stride; ++i) { + const j = dstOffset + i; + buffer[j] = buffer[j] + buffer[srcOffset + i] * t; + } + } +} +const _RESERVED_CHARS_RE = "\\[\\]\\.:\\/"; +const _reservedRe = new RegExp("[" + _RESERVED_CHARS_RE + "]", "g"); +const _wordChar = "[^" + _RESERVED_CHARS_RE + "]"; +const _wordCharOrDot = "[^" + _RESERVED_CHARS_RE.replace("\\.", "") + "]"; +const _directoryRe = /* @__PURE__ */ /((?:WC+[\/:])*)/.source.replace("WC", _wordChar); +const _nodeRe = /* @__PURE__ */ /(WCOD+)?/.source.replace("WCOD", _wordCharOrDot); +const _objectRe = /* @__PURE__ */ /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC", _wordChar); +const _propertyRe = /* @__PURE__ */ /\.(WC+)(?:\[(.+)\])?/.source.replace("WC", _wordChar); +const _trackRe = new RegExp( + "^" + _directoryRe + _nodeRe + _objectRe + _propertyRe + "$" +); +const _supportedObjectNames = ["material", "materials", "bones", "map"]; +class Composite { + constructor(targetGroup, path, optionalParsedPath) { + const parsedPath = optionalParsedPath || PropertyBinding.parseTrackName(path); + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_(path, parsedPath); + } + getValue(array, offset) { + this.bind(); + const firstValidIndex = this._targetGroup.nCachedObjects_, binding = this._bindings[firstValidIndex]; + if (binding !== void 0) + binding.getValue(array, offset); + } + setValue(array, offset) { + const bindings = this._bindings; + for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) { + bindings[i].setValue(array, offset); + } + } + bind() { + const bindings = this._bindings; + for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) { + bindings[i].bind(); + } + } + unbind() { + const bindings = this._bindings; + for (let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++i) { + bindings[i].unbind(); + } + } +} +class PropertyBinding { + constructor(rootNode, path, parsedPath) { + this.path = path; + this.parsedPath = parsedPath || PropertyBinding.parseTrackName(path); + this.node = PropertyBinding.findNode(rootNode, this.parsedPath.nodeName); + this.rootNode = rootNode; + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + } + static create(root, path, parsedPath) { + if (!(root && root.isAnimationObjectGroup)) { + return new PropertyBinding(root, path, parsedPath); + } else { + return new PropertyBinding.Composite(root, path, parsedPath); + } + } + /** + * Replaces spaces with underscores and removes unsupported characters from + * node names, to ensure compatibility with parseTrackName(). + * + * @param {string} name Node name to be sanitized. + * @return {string} + */ + static sanitizeNodeName(name) { + return name.replace(/\s/g, "_").replace(_reservedRe, ""); + } + static parseTrackName(trackName) { + const matches = _trackRe.exec(trackName); + if (matches === null) { + throw new Error("PropertyBinding: Cannot parse trackName: " + trackName); + } + const results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[2], + objectName: matches[3], + objectIndex: matches[4], + propertyName: matches[5], + // required + propertyIndex: matches[6] + }; + const lastDot = results.nodeName && results.nodeName.lastIndexOf("."); + if (lastDot !== void 0 && lastDot !== -1) { + const objectName = results.nodeName.substring(lastDot + 1); + if (_supportedObjectNames.indexOf(objectName) !== -1) { + results.nodeName = results.nodeName.substring(0, lastDot); + results.objectName = objectName; + } + } + if (results.propertyName === null || results.propertyName.length === 0) { + throw new Error("PropertyBinding: can not parse propertyName from trackName: " + trackName); + } + return results; + } + static findNode(root, nodeName) { + if (nodeName === void 0 || nodeName === "" || nodeName === "." || nodeName === -1 || nodeName === root.name || nodeName === root.uuid) { + return root; + } + if (root.skeleton) { + const bone = root.skeleton.getBoneByName(nodeName); + if (bone !== void 0) { + return bone; + } + } + if (root.children) { + const searchNodeSubtree = function(children) { + for (let i = 0; i < children.length; i++) { + const childNode = children[i]; + if (childNode.name === nodeName || childNode.uuid === nodeName) { + return childNode; + } + const result = searchNodeSubtree(childNode.children); + if (result) + return result; + } + return null; + }; + const subTreeNode = searchNodeSubtree(root.children); + if (subTreeNode) { + return subTreeNode; + } + } + return null; + } + // these are used to "bind" a nonexistent property + _getValue_unavailable() { + } + _setValue_unavailable() { + } + // Getters + _getValue_direct(buffer, offset) { + buffer[offset] = this.targetObject[this.propertyName]; + } + _getValue_array(buffer, offset) { + const source = this.resolvedProperty; + for (let i = 0, n = source.length; i !== n; ++i) { + buffer[offset++] = source[i]; + } + } + _getValue_arrayElement(buffer, offset) { + buffer[offset] = this.resolvedProperty[this.propertyIndex]; + } + _getValue_toArray(buffer, offset) { + this.resolvedProperty.toArray(buffer, offset); + } + // Direct + _setValue_direct(buffer, offset) { + this.targetObject[this.propertyName] = buffer[offset]; + } + _setValue_direct_setNeedsUpdate(buffer, offset) { + this.targetObject[this.propertyName] = buffer[offset]; + this.targetObject.needsUpdate = true; + } + _setValue_direct_setMatrixWorldNeedsUpdate(buffer, offset) { + this.targetObject[this.propertyName] = buffer[offset]; + this.targetObject.matrixWorldNeedsUpdate = true; + } + // EntireArray + _setValue_array(buffer, offset) { + const dest = this.resolvedProperty; + for (let i = 0, n = dest.length; i !== n; ++i) { + dest[i] = buffer[offset++]; + } + } + _setValue_array_setNeedsUpdate(buffer, offset) { + const dest = this.resolvedProperty; + for (let i = 0, n = dest.length; i !== n; ++i) { + dest[i] = buffer[offset++]; + } + this.targetObject.needsUpdate = true; + } + _setValue_array_setMatrixWorldNeedsUpdate(buffer, offset) { + const dest = this.resolvedProperty; + for (let i = 0, n = dest.length; i !== n; ++i) { + dest[i] = buffer[offset++]; + } + this.targetObject.matrixWorldNeedsUpdate = true; + } + // ArrayElement + _setValue_arrayElement(buffer, offset) { + this.resolvedProperty[this.propertyIndex] = buffer[offset]; + } + _setValue_arrayElement_setNeedsUpdate(buffer, offset) { + this.resolvedProperty[this.propertyIndex] = buffer[offset]; + this.targetObject.needsUpdate = true; + } + _setValue_arrayElement_setMatrixWorldNeedsUpdate(buffer, offset) { + this.resolvedProperty[this.propertyIndex] = buffer[offset]; + this.targetObject.matrixWorldNeedsUpdate = true; + } + // HasToFromArray + _setValue_fromArray(buffer, offset) { + this.resolvedProperty.fromArray(buffer, offset); + } + _setValue_fromArray_setNeedsUpdate(buffer, offset) { + this.resolvedProperty.fromArray(buffer, offset); + this.targetObject.needsUpdate = true; + } + _setValue_fromArray_setMatrixWorldNeedsUpdate(buffer, offset) { + this.resolvedProperty.fromArray(buffer, offset); + this.targetObject.matrixWorldNeedsUpdate = true; + } + _getValue_unbound(targetArray, offset) { + this.bind(); + this.getValue(targetArray, offset); + } + _setValue_unbound(sourceArray, offset) { + this.bind(); + this.setValue(sourceArray, offset); + } + // create getter / setter pair for a property in the scene graph + bind() { + let targetObject = this.node; + const parsedPath = this.parsedPath; + const objectName = parsedPath.objectName; + const propertyName = parsedPath.propertyName; + let propertyIndex = parsedPath.propertyIndex; + if (!targetObject) { + targetObject = PropertyBinding.findNode(this.rootNode, parsedPath.nodeName); + this.node = targetObject; + } + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + if (!targetObject) { + console.warn("THREE.PropertyBinding: No target node found for track: " + this.path + "."); + return; + } + if (objectName) { + let objectIndex = parsedPath.objectIndex; + switch (objectName) { + case "materials": + if (!targetObject.material) { + console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.", this); + return; + } + if (!targetObject.material.materials) { + console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.", this); + return; + } + targetObject = targetObject.material.materials; + break; + case "bones": + if (!targetObject.skeleton) { + console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.", this); + return; + } + targetObject = targetObject.skeleton.bones; + for (let i = 0; i < targetObject.length; i++) { + if (targetObject[i].name === objectIndex) { + objectIndex = i; + break; + } + } + break; + case "map": + if ("map" in targetObject) { + targetObject = targetObject.map; + break; + } + if (!targetObject.material) { + console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.", this); + return; + } + if (!targetObject.material.map) { + console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.", this); + return; + } + targetObject = targetObject.material.map; + break; + default: + if (targetObject[objectName] === void 0) { + console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.", this); + return; + } + targetObject = targetObject[objectName]; + } + if (objectIndex !== void 0) { + if (targetObject[objectIndex] === void 0) { + console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.", this, targetObject); + return; + } + targetObject = targetObject[objectIndex]; + } + } + const nodeProperty = targetObject[propertyName]; + if (nodeProperty === void 0) { + const nodeName = parsedPath.nodeName; + console.error("THREE.PropertyBinding: Trying to update property for track: " + nodeName + "." + propertyName + " but it wasn't found.", targetObject); + return; + } + let versioning = this.Versioning.None; + this.targetObject = targetObject; + if (targetObject.needsUpdate !== void 0) { + versioning = this.Versioning.NeedsUpdate; + } else if (targetObject.matrixWorldNeedsUpdate !== void 0) { + versioning = this.Versioning.MatrixWorldNeedsUpdate; + } + let bindingType = this.BindingType.Direct; + if (propertyIndex !== void 0) { + if (propertyName === "morphTargetInfluences") { + if (!targetObject.geometry) { + console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.", this); + return; + } + if (!targetObject.geometry.morphAttributes) { + console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.", this); + return; + } + if (targetObject.morphTargetDictionary[propertyIndex] !== void 0) { + propertyIndex = targetObject.morphTargetDictionary[propertyIndex]; + } + } + bindingType = this.BindingType.ArrayElement; + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + } else if (nodeProperty.fromArray !== void 0 && nodeProperty.toArray !== void 0) { + bindingType = this.BindingType.HasFromToArray; + this.resolvedProperty = nodeProperty; + } else if (Array.isArray(nodeProperty)) { + bindingType = this.BindingType.EntireArray; + this.resolvedProperty = nodeProperty; + } else { + this.propertyName = propertyName; + } + this.getValue = this.GetterByBindingType[bindingType]; + this.setValue = this.SetterByBindingTypeAndVersioning[bindingType][versioning]; + } + unbind() { + this.node = null; + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + } +} +PropertyBinding.Composite = Composite; +PropertyBinding.prototype.BindingType = { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 +}; +PropertyBinding.prototype.Versioning = { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 +}; +PropertyBinding.prototype.GetterByBindingType = [ + PropertyBinding.prototype._getValue_direct, + PropertyBinding.prototype._getValue_array, + PropertyBinding.prototype._getValue_arrayElement, + PropertyBinding.prototype._getValue_toArray +]; +PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [ + [ + // Direct + PropertyBinding.prototype._setValue_direct, + PropertyBinding.prototype._setValue_direct_setNeedsUpdate, + PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate + ], + [ + // EntireArray + PropertyBinding.prototype._setValue_array, + PropertyBinding.prototype._setValue_array_setNeedsUpdate, + PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate + ], + [ + // ArrayElement + PropertyBinding.prototype._setValue_arrayElement, + PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate, + PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate + ], + [ + // HasToFromArray + PropertyBinding.prototype._setValue_fromArray, + PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate, + PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate + ] +]; +class AnimationObjectGroup { + constructor() { + this.isAnimationObjectGroup = true; + this.uuid = generateUUID(); + this._objects = Array.prototype.slice.call(arguments); + this.nCachedObjects_ = 0; + const indices = {}; + this._indicesByUUID = indices; + for (let i = 0, n = arguments.length; i !== n; ++i) { + indices[arguments[i].uuid] = i; + } + this._paths = []; + this._parsedPaths = []; + this._bindings = []; + this._bindingsIndicesByPath = {}; + const scope = this; + this.stats = { + objects: { + get total() { + return scope._objects.length; + }, + get inUse() { + return this.total - scope.nCachedObjects_; + } + }, + get bindingsPerObject() { + return scope._bindings.length; + } + }; + } + add() { + const objects = this._objects, indicesByUUID = this._indicesByUUID, paths = this._paths, parsedPaths = this._parsedPaths, bindings = this._bindings, nBindings = bindings.length; + let knownObject = void 0, nObjects = objects.length, nCachedObjects = this.nCachedObjects_; + for (let i = 0, n = arguments.length; i !== n; ++i) { + const object = arguments[i], uuid = object.uuid; + let index = indicesByUUID[uuid]; + if (index === void 0) { + index = nObjects++; + indicesByUUID[uuid] = index; + objects.push(object); + for (let j = 0, m = nBindings; j !== m; ++j) { + bindings[j].push(new PropertyBinding(object, paths[j], parsedPaths[j])); + } + } else if (index < nCachedObjects) { + knownObject = objects[index]; + const firstActiveIndex = --nCachedObjects, lastCachedObject = objects[firstActiveIndex]; + indicesByUUID[lastCachedObject.uuid] = index; + objects[index] = lastCachedObject; + indicesByUUID[uuid] = firstActiveIndex; + objects[firstActiveIndex] = object; + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j], lastCached = bindingsForPath[firstActiveIndex]; + let binding = bindingsForPath[index]; + bindingsForPath[index] = lastCached; + if (binding === void 0) { + binding = new PropertyBinding(object, paths[j], parsedPaths[j]); + } + bindingsForPath[firstActiveIndex] = binding; + } + } else if (objects[index] !== knownObject) { + console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes."); + } + } + this.nCachedObjects_ = nCachedObjects; + } + remove() { + const objects = this._objects, indicesByUUID = this._indicesByUUID, bindings = this._bindings, nBindings = bindings.length; + let nCachedObjects = this.nCachedObjects_; + for (let i = 0, n = arguments.length; i !== n; ++i) { + const object = arguments[i], uuid = object.uuid, index = indicesByUUID[uuid]; + if (index !== void 0 && index >= nCachedObjects) { + const lastCachedIndex = nCachedObjects++, firstActiveObject = objects[lastCachedIndex]; + indicesByUUID[firstActiveObject.uuid] = index; + objects[index] = firstActiveObject; + indicesByUUID[uuid] = lastCachedIndex; + objects[lastCachedIndex] = object; + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j], firstActive = bindingsForPath[lastCachedIndex], binding = bindingsForPath[index]; + bindingsForPath[index] = firstActive; + bindingsForPath[lastCachedIndex] = binding; + } + } + } + this.nCachedObjects_ = nCachedObjects; + } + // remove & forget + uncache() { + const objects = this._objects, indicesByUUID = this._indicesByUUID, bindings = this._bindings, nBindings = bindings.length; + let nCachedObjects = this.nCachedObjects_, nObjects = objects.length; + for (let i = 0, n = arguments.length; i !== n; ++i) { + const object = arguments[i], uuid = object.uuid, index = indicesByUUID[uuid]; + if (index !== void 0) { + delete indicesByUUID[uuid]; + if (index < nCachedObjects) { + const firstActiveIndex = --nCachedObjects, lastCachedObject = objects[firstActiveIndex], lastIndex = --nObjects, lastObject = objects[lastIndex]; + indicesByUUID[lastCachedObject.uuid] = index; + objects[index] = lastCachedObject; + indicesByUUID[lastObject.uuid] = firstActiveIndex; + objects[firstActiveIndex] = lastObject; + objects.pop(); + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j], lastCached = bindingsForPath[firstActiveIndex], last = bindingsForPath[lastIndex]; + bindingsForPath[index] = lastCached; + bindingsForPath[firstActiveIndex] = last; + bindingsForPath.pop(); + } + } else { + const lastIndex = --nObjects, lastObject = objects[lastIndex]; + if (lastIndex > 0) { + indicesByUUID[lastObject.uuid] = index; + } + objects[index] = lastObject; + objects.pop(); + for (let j = 0, m = nBindings; j !== m; ++j) { + const bindingsForPath = bindings[j]; + bindingsForPath[index] = bindingsForPath[lastIndex]; + bindingsForPath.pop(); + } + } + } + } + this.nCachedObjects_ = nCachedObjects; + } + // Internal interface used by befriended PropertyBinding.Composite: + subscribe_(path, parsedPath) { + const indicesByPath = this._bindingsIndicesByPath; + let index = indicesByPath[path]; + const bindings = this._bindings; + if (index !== void 0) + return bindings[index]; + const paths = this._paths, parsedPaths = this._parsedPaths, objects = this._objects, nObjects = objects.length, nCachedObjects = this.nCachedObjects_, bindingsForPath = new Array(nObjects); + index = bindings.length; + indicesByPath[path] = index; + paths.push(path); + parsedPaths.push(parsedPath); + bindings.push(bindingsForPath); + for (let i = nCachedObjects, n = objects.length; i !== n; ++i) { + const object = objects[i]; + bindingsForPath[i] = new PropertyBinding(object, path, parsedPath); + } + return bindingsForPath; + } + unsubscribe_(path) { + const indicesByPath = this._bindingsIndicesByPath, index = indicesByPath[path]; + if (index !== void 0) { + const paths = this._paths, parsedPaths = this._parsedPaths, bindings = this._bindings, lastBindingsIndex = bindings.length - 1, lastBindings = bindings[lastBindingsIndex], lastBindingsPath = path[lastBindingsIndex]; + indicesByPath[lastBindingsPath] = index; + bindings[index] = lastBindings; + bindings.pop(); + parsedPaths[index] = parsedPaths[lastBindingsIndex]; + parsedPaths.pop(); + paths[index] = paths[lastBindingsIndex]; + paths.pop(); + } + } +} +class AnimationAction { + constructor(mixer, clip, localRoot = null, blendMode = clip.blendMode) { + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot; + this.blendMode = blendMode; + const tracks = clip.tracks, nTracks = tracks.length, interpolants = new Array(nTracks); + const interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + for (let i = 0; i !== nTracks; ++i) { + const interpolant = tracks[i].createInterpolant(null); + interpolants[i] = interpolant; + interpolant.settings = interpolantSettings; + } + this._interpolantSettings = interpolantSettings; + this._interpolants = interpolants; + this._propertyBindings = new Array(nTracks); + this._cacheIndex = null; + this._byClipCacheIndex = null; + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + this.loop = LoopRepeat; + this._loopCount = -1; + this._startTime = null; + this.time = 0; + this.timeScale = 1; + this._effectiveTimeScale = 1; + this.weight = 1; + this._effectiveWeight = 1; + this.repetitions = Infinity; + this.paused = false; + this.enabled = true; + this.clampWhenFinished = false; + this.zeroSlopeAtStart = true; + this.zeroSlopeAtEnd = true; + } + // State & Scheduling + play() { + this._mixer._activateAction(this); + return this; + } + stop() { + this._mixer._deactivateAction(this); + return this.reset(); + } + reset() { + this.paused = false; + this.enabled = true; + this.time = 0; + this._loopCount = -1; + this._startTime = null; + return this.stopFading().stopWarping(); + } + isRunning() { + return this.enabled && !this.paused && this.timeScale !== 0 && this._startTime === null && this._mixer._isActiveAction(this); + } + // return true when play has been called + isScheduled() { + return this._mixer._isActiveAction(this); + } + startAt(time) { + this._startTime = time; + return this; + } + setLoop(mode, repetitions) { + this.loop = mode; + this.repetitions = repetitions; + return this; + } + // Weight + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight(weight) { + this.weight = weight; + this._effectiveWeight = this.enabled ? weight : 0; + return this.stopFading(); + } + // return the weight considering fading and .enabled + getEffectiveWeight() { + return this._effectiveWeight; + } + fadeIn(duration) { + return this._scheduleFading(duration, 0, 1); + } + fadeOut(duration) { + return this._scheduleFading(duration, 1, 0); + } + crossFadeFrom(fadeOutAction, duration, warp) { + fadeOutAction.fadeOut(duration); + this.fadeIn(duration); + if (warp) { + const fadeInDuration = this._clip.duration, fadeOutDuration = fadeOutAction._clip.duration, startEndRatio = fadeOutDuration / fadeInDuration, endStartRatio = fadeInDuration / fadeOutDuration; + fadeOutAction.warp(1, startEndRatio, duration); + this.warp(endStartRatio, 1, duration); + } + return this; + } + crossFadeTo(fadeInAction, duration, warp) { + return fadeInAction.crossFadeFrom(this, duration, warp); + } + stopFading() { + const weightInterpolant = this._weightInterpolant; + if (weightInterpolant !== null) { + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant(weightInterpolant); + } + return this; + } + // Time Scale Control + // set the time scale stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale(timeScale) { + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 : timeScale; + return this.stopWarping(); + } + // return the time scale considering warping and .paused + getEffectiveTimeScale() { + return this._effectiveTimeScale; + } + setDuration(duration) { + this.timeScale = this._clip.duration / duration; + return this.stopWarping(); + } + syncWith(action) { + this.time = action.time; + this.timeScale = action.timeScale; + return this.stopWarping(); + } + halt(duration) { + return this.warp(this._effectiveTimeScale, 0, duration); + } + warp(startTimeScale, endTimeScale, duration) { + const mixer = this._mixer, now2 = mixer.time, timeScale = this.timeScale; + let interpolant = this._timeScaleInterpolant; + if (interpolant === null) { + interpolant = mixer._lendControlInterpolant(); + this._timeScaleInterpolant = interpolant; + } + const times = interpolant.parameterPositions, values = interpolant.sampleValues; + times[0] = now2; + times[1] = now2 + duration; + values[0] = startTimeScale / timeScale; + values[1] = endTimeScale / timeScale; + return this; + } + stopWarping() { + const timeScaleInterpolant = this._timeScaleInterpolant; + if (timeScaleInterpolant !== null) { + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant(timeScaleInterpolant); + } + return this; + } + // Object Accessors + getMixer() { + return this._mixer; + } + getClip() { + return this._clip; + } + getRoot() { + return this._localRoot || this._mixer._root; + } + // Interna + _update(time, deltaTime, timeDirection, accuIndex) { + if (!this.enabled) { + this._updateWeight(time); + return; + } + const startTime = this._startTime; + if (startTime !== null) { + const timeRunning = (time - startTime) * timeDirection; + if (timeRunning < 0 || timeDirection === 0) { + deltaTime = 0; + } else { + this._startTime = null; + deltaTime = timeDirection * timeRunning; + } + } + deltaTime *= this._updateTimeScale(time); + const clipTime = this._updateTime(deltaTime); + const weight = this._updateWeight(time); + if (weight > 0) { + const interpolants = this._interpolants; + const propertyMixers = this._propertyBindings; + switch (this.blendMode) { + case AdditiveAnimationBlendMode: + for (let j = 0, m = interpolants.length; j !== m; ++j) { + interpolants[j].evaluate(clipTime); + propertyMixers[j].accumulateAdditive(weight); + } + break; + case NormalAnimationBlendMode: + default: + for (let j = 0, m = interpolants.length; j !== m; ++j) { + interpolants[j].evaluate(clipTime); + propertyMixers[j].accumulate(accuIndex, weight); + } + } + } + } + _updateWeight(time) { + let weight = 0; + if (this.enabled) { + weight = this.weight; + const interpolant = this._weightInterpolant; + if (interpolant !== null) { + const interpolantValue = interpolant.evaluate(time)[0]; + weight *= interpolantValue; + if (time > interpolant.parameterPositions[1]) { + this.stopFading(); + if (interpolantValue === 0) { + this.enabled = false; + } + } + } + } + this._effectiveWeight = weight; + return weight; + } + _updateTimeScale(time) { + let timeScale = 0; + if (!this.paused) { + timeScale = this.timeScale; + const interpolant = this._timeScaleInterpolant; + if (interpolant !== null) { + const interpolantValue = interpolant.evaluate(time)[0]; + timeScale *= interpolantValue; + if (time > interpolant.parameterPositions[1]) { + this.stopWarping(); + if (timeScale === 0) { + this.paused = true; + } else { + this.timeScale = timeScale; + } + } + } + } + this._effectiveTimeScale = timeScale; + return timeScale; + } + _updateTime(deltaTime) { + const duration = this._clip.duration; + const loop = this.loop; + let time = this.time + deltaTime; + let loopCount = this._loopCount; + const pingPong = loop === LoopPingPong; + if (deltaTime === 0) { + if (loopCount === -1) + return time; + return pingPong && (loopCount & 1) === 1 ? duration - time : time; + } + if (loop === LoopOnce) { + if (loopCount === -1) { + this._loopCount = 0; + this._setEndings(true, true, false); + } + handle_stop: { + if (time >= duration) { + time = duration; + } else if (time < 0) { + time = 0; + } else { + this.time = time; + break handle_stop; + } + if (this.clampWhenFinished) + this.paused = true; + else + this.enabled = false; + this.time = time; + this._mixer.dispatchEvent({ + type: "finished", + action: this, + direction: deltaTime < 0 ? -1 : 1 + }); + } + } else { + if (loopCount === -1) { + if (deltaTime >= 0) { + loopCount = 0; + this._setEndings(true, this.repetitions === 0, pingPong); + } else { + this._setEndings(this.repetitions === 0, true, pingPong); + } + } + if (time >= duration || time < 0) { + const loopDelta = Math.floor(time / duration); + time -= duration * loopDelta; + loopCount += Math.abs(loopDelta); + const pending = this.repetitions - loopCount; + if (pending <= 0) { + if (this.clampWhenFinished) + this.paused = true; + else + this.enabled = false; + time = deltaTime > 0 ? duration : 0; + this.time = time; + this._mixer.dispatchEvent({ + type: "finished", + action: this, + direction: deltaTime > 0 ? 1 : -1 + }); + } else { + if (pending === 1) { + const atStart = deltaTime < 0; + this._setEndings(atStart, !atStart, pingPong); + } else { + this._setEndings(false, false, pingPong); + } + this._loopCount = loopCount; + this.time = time; + this._mixer.dispatchEvent({ + type: "loop", + action: this, + loopDelta + }); + } + } else { + this.time = time; + } + if (pingPong && (loopCount & 1) === 1) { + return duration - time; + } + } + return time; + } + _setEndings(atStart, atEnd, pingPong) { + const settings2 = this._interpolantSettings; + if (pingPong) { + settings2.endingStart = ZeroSlopeEnding; + settings2.endingEnd = ZeroSlopeEnding; + } else { + if (atStart) { + settings2.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; + } else { + settings2.endingStart = WrapAroundEnding; + } + if (atEnd) { + settings2.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; + } else { + settings2.endingEnd = WrapAroundEnding; + } + } + } + _scheduleFading(duration, weightNow, weightThen) { + const mixer = this._mixer, now2 = mixer.time; + let interpolant = this._weightInterpolant; + if (interpolant === null) { + interpolant = mixer._lendControlInterpolant(); + this._weightInterpolant = interpolant; + } + const times = interpolant.parameterPositions, values = interpolant.sampleValues; + times[0] = now2; + values[0] = weightNow; + times[1] = now2 + duration; + values[1] = weightThen; + return this; + } +} +const _controlInterpolantsResultBuffer = new Float32Array(1); +class AnimationMixer extends EventDispatcher { + constructor(root) { + super(); + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + this.time = 0; + this.timeScale = 1; + } + _bindAction(action, prototypeAction) { + const root = action._localRoot || this._root, tracks = action._clip.tracks, nTracks = tracks.length, bindings = action._propertyBindings, interpolants = action._interpolants, rootUuid = root.uuid, bindingsByRoot = this._bindingsByRootAndName; + let bindingsByName = bindingsByRoot[rootUuid]; + if (bindingsByName === void 0) { + bindingsByName = {}; + bindingsByRoot[rootUuid] = bindingsByName; + } + for (let i = 0; i !== nTracks; ++i) { + const track = tracks[i], trackName = track.name; + let binding = bindingsByName[trackName]; + if (binding !== void 0) { + ++binding.referenceCount; + bindings[i] = binding; + } else { + binding = bindings[i]; + if (binding !== void 0) { + if (binding._cacheIndex === null) { + ++binding.referenceCount; + this._addInactiveBinding(binding, rootUuid, trackName); + } + continue; + } + const path = prototypeAction && prototypeAction._propertyBindings[i].binding.parsedPath; + binding = new PropertyMixer( + PropertyBinding.create(root, trackName, path), + track.ValueTypeName, + track.getValueSize() + ); + ++binding.referenceCount; + this._addInactiveBinding(binding, rootUuid, trackName); + bindings[i] = binding; + } + interpolants[i].resultBuffer = binding.buffer; + } + } + _activateAction(action) { + if (!this._isActiveAction(action)) { + if (action._cacheIndex === null) { + const rootUuid = (action._localRoot || this._root).uuid, clipUuid = action._clip.uuid, actionsForClip = this._actionsByClip[clipUuid]; + this._bindAction( + action, + actionsForClip && actionsForClip.knownActions[0] + ); + this._addInactiveAction(action, clipUuid, rootUuid); + } + const bindings = action._propertyBindings; + for (let i = 0, n = bindings.length; i !== n; ++i) { + const binding = bindings[i]; + if (binding.useCount++ === 0) { + this._lendBinding(binding); + binding.saveOriginalState(); + } + } + this._lendAction(action); + } + } + _deactivateAction(action) { + if (this._isActiveAction(action)) { + const bindings = action._propertyBindings; + for (let i = 0, n = bindings.length; i !== n; ++i) { + const binding = bindings[i]; + if (--binding.useCount === 0) { + binding.restoreOriginalState(); + this._takeBackBinding(binding); + } + } + this._takeBackAction(action); + } + } + // Memory manager + _initMemoryManager() { + this._actions = []; + this._nActiveActions = 0; + this._actionsByClip = {}; + this._bindings = []; + this._nActiveBindings = 0; + this._bindingsByRootAndName = {}; + this._controlInterpolants = []; + this._nActiveControlInterpolants = 0; + const scope = this; + this.stats = { + actions: { + get total() { + return scope._actions.length; + }, + get inUse() { + return scope._nActiveActions; + } + }, + bindings: { + get total() { + return scope._bindings.length; + }, + get inUse() { + return scope._nActiveBindings; + } + }, + controlInterpolants: { + get total() { + return scope._controlInterpolants.length; + }, + get inUse() { + return scope._nActiveControlInterpolants; + } + } + }; + } + // Memory management for AnimationAction objects + _isActiveAction(action) { + const index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + } + _addInactiveAction(action, clipUuid, rootUuid) { + const actions = this._actions, actionsByClip = this._actionsByClip; + let actionsForClip = actionsByClip[clipUuid]; + if (actionsForClip === void 0) { + actionsForClip = { + knownActions: [action], + actionByRoot: {} + }; + action._byClipCacheIndex = 0; + actionsByClip[clipUuid] = actionsForClip; + } else { + const knownActions = actionsForClip.knownActions; + action._byClipCacheIndex = knownActions.length; + knownActions.push(action); + } + action._cacheIndex = actions.length; + actions.push(action); + actionsForClip.actionByRoot[rootUuid] = action; + } + _removeInactiveAction(action) { + const actions = this._actions, lastInactiveAction = actions[actions.length - 1], cacheIndex = action._cacheIndex; + lastInactiveAction._cacheIndex = cacheIndex; + actions[cacheIndex] = lastInactiveAction; + actions.pop(); + action._cacheIndex = null; + const clipUuid = action._clip.uuid, actionsByClip = this._actionsByClip, actionsForClip = actionsByClip[clipUuid], knownActionsForClip = actionsForClip.knownActions, lastKnownAction = knownActionsForClip[knownActionsForClip.length - 1], byClipCacheIndex = action._byClipCacheIndex; + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[byClipCacheIndex] = lastKnownAction; + knownActionsForClip.pop(); + action._byClipCacheIndex = null; + const actionByRoot = actionsForClip.actionByRoot, rootUuid = (action._localRoot || this._root).uuid; + delete actionByRoot[rootUuid]; + if (knownActionsForClip.length === 0) { + delete actionsByClip[clipUuid]; + } + this._removeInactiveBindingsForAction(action); + } + _removeInactiveBindingsForAction(action) { + const bindings = action._propertyBindings; + for (let i = 0, n = bindings.length; i !== n; ++i) { + const binding = bindings[i]; + if (--binding.referenceCount === 0) { + this._removeInactiveBinding(binding); + } + } + } + _lendAction(action) { + const actions = this._actions, prevIndex = action._cacheIndex, lastActiveIndex = this._nActiveActions++, firstInactiveAction = actions[lastActiveIndex]; + action._cacheIndex = lastActiveIndex; + actions[lastActiveIndex] = action; + firstInactiveAction._cacheIndex = prevIndex; + actions[prevIndex] = firstInactiveAction; + } + _takeBackAction(action) { + const actions = this._actions, prevIndex = action._cacheIndex, firstInactiveIndex = --this._nActiveActions, lastActiveAction = actions[firstInactiveIndex]; + action._cacheIndex = firstInactiveIndex; + actions[firstInactiveIndex] = action; + lastActiveAction._cacheIndex = prevIndex; + actions[prevIndex] = lastActiveAction; + } + // Memory management for PropertyMixer objects + _addInactiveBinding(binding, rootUuid, trackName) { + const bindingsByRoot = this._bindingsByRootAndName, bindings = this._bindings; + let bindingByName = bindingsByRoot[rootUuid]; + if (bindingByName === void 0) { + bindingByName = {}; + bindingsByRoot[rootUuid] = bindingByName; + } + bindingByName[trackName] = binding; + binding._cacheIndex = bindings.length; + bindings.push(binding); + } + _removeInactiveBinding(binding) { + const bindings = this._bindings, propBinding = binding.binding, rootUuid = propBinding.rootNode.uuid, trackName = propBinding.path, bindingsByRoot = this._bindingsByRootAndName, bindingByName = bindingsByRoot[rootUuid], lastInactiveBinding = bindings[bindings.length - 1], cacheIndex = binding._cacheIndex; + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[cacheIndex] = lastInactiveBinding; + bindings.pop(); + delete bindingByName[trackName]; + if (Object.keys(bindingByName).length === 0) { + delete bindingsByRoot[rootUuid]; + } + } + _lendBinding(binding) { + const bindings = this._bindings, prevIndex = binding._cacheIndex, lastActiveIndex = this._nActiveBindings++, firstInactiveBinding = bindings[lastActiveIndex]; + binding._cacheIndex = lastActiveIndex; + bindings[lastActiveIndex] = binding; + firstInactiveBinding._cacheIndex = prevIndex; + bindings[prevIndex] = firstInactiveBinding; + } + _takeBackBinding(binding) { + const bindings = this._bindings, prevIndex = binding._cacheIndex, firstInactiveIndex = --this._nActiveBindings, lastActiveBinding = bindings[firstInactiveIndex]; + binding._cacheIndex = firstInactiveIndex; + bindings[firstInactiveIndex] = binding; + lastActiveBinding._cacheIndex = prevIndex; + bindings[prevIndex] = lastActiveBinding; + } + // Memory management of Interpolants for weight and time scale + _lendControlInterpolant() { + const interpolants = this._controlInterpolants, lastActiveIndex = this._nActiveControlInterpolants++; + let interpolant = interpolants[lastActiveIndex]; + if (interpolant === void 0) { + interpolant = new LinearInterpolant( + new Float32Array(2), + new Float32Array(2), + 1, + _controlInterpolantsResultBuffer + ); + interpolant.__cacheIndex = lastActiveIndex; + interpolants[lastActiveIndex] = interpolant; + } + return interpolant; + } + _takeBackControlInterpolant(interpolant) { + const interpolants = this._controlInterpolants, prevIndex = interpolant.__cacheIndex, firstInactiveIndex = --this._nActiveControlInterpolants, lastActiveInterpolant = interpolants[firstInactiveIndex]; + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[firstInactiveIndex] = interpolant; + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[prevIndex] = lastActiveInterpolant; + } + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction(clip, optionalRoot, blendMode) { + const root = optionalRoot || this._root, rootUuid = root.uuid; + let clipObject = typeof clip === "string" ? AnimationClip.findByName(root, clip) : clip; + const clipUuid = clipObject !== null ? clipObject.uuid : clip; + const actionsForClip = this._actionsByClip[clipUuid]; + let prototypeAction = null; + if (blendMode === void 0) { + if (clipObject !== null) { + blendMode = clipObject.blendMode; + } else { + blendMode = NormalAnimationBlendMode; + } + } + if (actionsForClip !== void 0) { + const existingAction = actionsForClip.actionByRoot[rootUuid]; + if (existingAction !== void 0 && existingAction.blendMode === blendMode) { + return existingAction; + } + prototypeAction = actionsForClip.knownActions[0]; + if (clipObject === null) + clipObject = prototypeAction._clip; + } + if (clipObject === null) + return null; + const newAction = new AnimationAction(this, clipObject, optionalRoot, blendMode); + this._bindAction(newAction, prototypeAction); + this._addInactiveAction(newAction, clipUuid, rootUuid); + return newAction; + } + // get an existing action + existingAction(clip, optionalRoot) { + const root = optionalRoot || this._root, rootUuid = root.uuid, clipObject = typeof clip === "string" ? AnimationClip.findByName(root, clip) : clip, clipUuid = clipObject ? clipObject.uuid : clip, actionsForClip = this._actionsByClip[clipUuid]; + if (actionsForClip !== void 0) { + return actionsForClip.actionByRoot[rootUuid] || null; + } + return null; + } + // deactivates all previously scheduled actions + stopAllAction() { + const actions = this._actions, nActions = this._nActiveActions; + for (let i = nActions - 1; i >= 0; --i) { + actions[i].stop(); + } + return this; + } + // advance the time and update apply the animation + update(deltaTime) { + deltaTime *= this.timeScale; + const actions = this._actions, nActions = this._nActiveActions, time = this.time += deltaTime, timeDirection = Math.sign(deltaTime), accuIndex = this._accuIndex ^= 1; + for (let i = 0; i !== nActions; ++i) { + const action = actions[i]; + action._update(time, deltaTime, timeDirection, accuIndex); + } + const bindings = this._bindings, nBindings = this._nActiveBindings; + for (let i = 0; i !== nBindings; ++i) { + bindings[i].apply(accuIndex); + } + return this; + } + // Allows you to seek to a specific time in an animation. + setTime(timeInSeconds) { + this.time = 0; + for (let i = 0; i < this._actions.length; i++) { + this._actions[i].time = 0; + } + return this.update(timeInSeconds); + } + // return this mixer's root target object + getRoot() { + return this._root; + } + // free all resources specific to a particular clip + uncacheClip(clip) { + const actions = this._actions, clipUuid = clip.uuid, actionsByClip = this._actionsByClip, actionsForClip = actionsByClip[clipUuid]; + if (actionsForClip !== void 0) { + const actionsToRemove = actionsForClip.knownActions; + for (let i = 0, n = actionsToRemove.length; i !== n; ++i) { + const action = actionsToRemove[i]; + this._deactivateAction(action); + const cacheIndex = action._cacheIndex, lastInactiveAction = actions[actions.length - 1]; + action._cacheIndex = null; + action._byClipCacheIndex = null; + lastInactiveAction._cacheIndex = cacheIndex; + actions[cacheIndex] = lastInactiveAction; + actions.pop(); + this._removeInactiveBindingsForAction(action); + } + delete actionsByClip[clipUuid]; + } + } + // free all resources specific to a particular root target object + uncacheRoot(root) { + const rootUuid = root.uuid, actionsByClip = this._actionsByClip; + for (const clipUuid in actionsByClip) { + const actionByRoot = actionsByClip[clipUuid].actionByRoot, action = actionByRoot[rootUuid]; + if (action !== void 0) { + this._deactivateAction(action); + this._removeInactiveAction(action); + } + } + const bindingsByRoot = this._bindingsByRootAndName, bindingByName = bindingsByRoot[rootUuid]; + if (bindingByName !== void 0) { + for (const trackName in bindingByName) { + const binding = bindingByName[trackName]; + binding.restoreOriginalState(); + this._removeInactiveBinding(binding); + } + } + } + // remove a targeted clip from the cache + uncacheAction(clip, optionalRoot) { + const action = this.existingAction(clip, optionalRoot); + if (action !== null) { + this._deactivateAction(action); + this._removeInactiveAction(action); + } + } +} +class Uniform { + constructor(value) { + this.value = value; + } + clone() { + return new Uniform(this.value.clone === void 0 ? this.value : this.value.clone()); + } +} +let _id = 0; +class UniformsGroup extends EventDispatcher { + constructor() { + super(); + this.isUniformsGroup = true; + Object.defineProperty(this, "id", { value: _id++ }); + this.name = ""; + this.usage = StaticDrawUsage; + this.uniforms = []; + } + add(uniform) { + this.uniforms.push(uniform); + return this; + } + remove(uniform) { + const index = this.uniforms.indexOf(uniform); + if (index !== -1) + this.uniforms.splice(index, 1); + return this; + } + setName(name) { + this.name = name; + return this; + } + setUsage(value) { + this.usage = value; + return this; + } + dispose() { + this.dispatchEvent({ type: "dispose" }); + return this; + } + copy(source) { + this.name = source.name; + this.usage = source.usage; + const uniformsSource = source.uniforms; + this.uniforms.length = 0; + for (let i = 0, l = uniformsSource.length; i < l; i++) { + this.uniforms.push(uniformsSource[i].clone()); + } + return this; + } + clone() { + return new this.constructor().copy(this); + } +} +class InstancedInterleavedBuffer extends InterleavedBuffer { + constructor(array, stride, meshPerAttribute = 1) { + super(array, stride); + this.isInstancedInterleavedBuffer = true; + this.meshPerAttribute = meshPerAttribute; + } + copy(source) { + super.copy(source); + this.meshPerAttribute = source.meshPerAttribute; + return this; + } + clone(data) { + const ib = super.clone(data); + ib.meshPerAttribute = this.meshPerAttribute; + return ib; + } + toJSON(data) { + const json = super.toJSON(data); + json.isInstancedInterleavedBuffer = true; + json.meshPerAttribute = this.meshPerAttribute; + return json; + } +} +class GLBufferAttribute { + constructor(buffer, type, itemSize, elementSize, count) { + this.isGLBufferAttribute = true; + this.name = ""; + this.buffer = buffer; + this.type = type; + this.itemSize = itemSize; + this.elementSize = elementSize; + this.count = count; + this.version = 0; + } + set needsUpdate(value) { + if (value === true) + this.version++; + } + setBuffer(buffer) { + this.buffer = buffer; + return this; + } + setType(type, elementSize) { + this.type = type; + this.elementSize = elementSize; + return this; + } + setItemSize(itemSize) { + this.itemSize = itemSize; + return this; + } + setCount(count) { + this.count = count; + return this; + } +} +class Raycaster { + constructor(origin, direction, near = 0, far = Infinity) { + this.ray = new Ray(origin, direction); + this.near = near; + this.far = far; + this.camera = null; + this.layers = new Layers(); + this.params = { + Mesh: {}, + Line: { threshold: 1 }, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + } + set(origin, direction) { + this.ray.set(origin, direction); + } + setFromCamera(coords, camera) { + if (camera.isPerspectiveCamera) { + this.ray.origin.setFromMatrixPosition(camera.matrixWorld); + this.ray.direction.set(coords.x, coords.y, 0.5).unproject(camera).sub(this.ray.origin).normalize(); + this.camera = camera; + } else if (camera.isOrthographicCamera) { + this.ray.origin.set(coords.x, coords.y, (camera.near + camera.far) / (camera.near - camera.far)).unproject(camera); + this.ray.direction.set(0, 0, -1).transformDirection(camera.matrixWorld); + this.camera = camera; + } else { + console.error("THREE.Raycaster: Unsupported camera type: " + camera.type); + } + } + intersectObject(object, recursive = true, intersects2 = []) { + intersectObject(object, this, intersects2, recursive); + intersects2.sort(ascSort); + return intersects2; + } + intersectObjects(objects, recursive = true, intersects2 = []) { + for (let i = 0, l = objects.length; i < l; i++) { + intersectObject(objects[i], this, intersects2, recursive); + } + intersects2.sort(ascSort); + return intersects2; + } +} +function ascSort(a, b) { + return a.distance - b.distance; +} +function intersectObject(object, raycaster, intersects2, recursive) { + if (object.layers.test(raycaster.layers)) { + object.raycast(raycaster, intersects2); + } + if (recursive === true) { + const children = object.children; + for (let i = 0, l = children.length; i < l; i++) { + intersectObject(children[i], raycaster, intersects2, true); + } + } +} +class Spherical { + constructor(radius = 1, phi = 0, theta = 0) { + this.radius = radius; + this.phi = phi; + this.theta = theta; + return this; + } + set(radius, phi, theta) { + this.radius = radius; + this.phi = phi; + this.theta = theta; + return this; + } + copy(other) { + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + return this; + } + // restrict phi to be between EPS and PI-EPS + makeSafe() { + const EPS = 1e-6; + this.phi = Math.max(EPS, Math.min(Math.PI - EPS, this.phi)); + return this; + } + setFromVector3(v) { + return this.setFromCartesianCoords(v.x, v.y, v.z); + } + setFromCartesianCoords(x, y, z) { + this.radius = Math.sqrt(x * x + y * y + z * z); + if (this.radius === 0) { + this.theta = 0; + this.phi = 0; + } else { + this.theta = Math.atan2(x, z); + this.phi = Math.acos(clamp(y / this.radius, -1, 1)); + } + return this; + } + clone() { + return new this.constructor().copy(this); + } +} +class Cylindrical { + constructor(radius = 1, theta = 0, y = 0) { + this.radius = radius; + this.theta = theta; + this.y = y; + return this; + } + set(radius, theta, y) { + this.radius = radius; + this.theta = theta; + this.y = y; + return this; + } + copy(other) { + this.radius = other.radius; + this.theta = other.theta; + this.y = other.y; + return this; + } + setFromVector3(v) { + return this.setFromCartesianCoords(v.x, v.y, v.z); + } + setFromCartesianCoords(x, y, z) { + this.radius = Math.sqrt(x * x + z * z); + this.theta = Math.atan2(x, z); + this.y = y; + return this; + } + clone() { + return new this.constructor().copy(this); + } +} +const _vector$4 = /* @__PURE__ */ new Vector2(); +class Box2 { + constructor(min = new Vector2(Infinity, Infinity), max = new Vector2(-Infinity, -Infinity)) { + this.isBox2 = true; + this.min = min; + this.max = max; + } + set(min, max) { + this.min.copy(min); + this.max.copy(max); + return this; + } + setFromPoints(points) { + this.makeEmpty(); + for (let i = 0, il = points.length; i < il; i++) { + this.expandByPoint(points[i]); + } + return this; + } + setFromCenterAndSize(center, size) { + const halfSize = _vector$4.copy(size).multiplyScalar(0.5); + this.min.copy(center).sub(halfSize); + this.max.copy(center).add(halfSize); + return this; + } + clone() { + return new this.constructor().copy(this); + } + copy(box) { + this.min.copy(box.min); + this.max.copy(box.max); + return this; + } + makeEmpty() { + this.min.x = this.min.y = Infinity; + this.max.x = this.max.y = -Infinity; + return this; + } + isEmpty() { + return this.max.x < this.min.x || this.max.y < this.min.y; + } + getCenter(target) { + return this.isEmpty() ? target.set(0, 0) : target.addVectors(this.min, this.max).multiplyScalar(0.5); + } + getSize(target) { + return this.isEmpty() ? target.set(0, 0) : target.subVectors(this.max, this.min); + } + expandByPoint(point) { + this.min.min(point); + this.max.max(point); + return this; + } + expandByVector(vector) { + this.min.sub(vector); + this.max.add(vector); + return this; + } + expandByScalar(scalar) { + this.min.addScalar(-scalar); + this.max.addScalar(scalar); + return this; + } + containsPoint(point) { + return point.x < this.min.x || point.x > this.max.x || point.y < this.min.y || point.y > this.max.y ? false : true; + } + containsBox(box) { + return this.min.x <= box.min.x && box.max.x <= this.max.x && this.min.y <= box.min.y && box.max.y <= this.max.y; + } + getParameter(point, target) { + return target.set( + (point.x - this.min.x) / (this.max.x - this.min.x), + (point.y - this.min.y) / (this.max.y - this.min.y) + ); + } + intersectsBox(box) { + return box.max.x < this.min.x || box.min.x > this.max.x || box.max.y < this.min.y || box.min.y > this.max.y ? false : true; + } + clampPoint(point, target) { + return target.copy(point).clamp(this.min, this.max); + } + distanceToPoint(point) { + return this.clampPoint(point, _vector$4).distanceTo(point); + } + intersect(box) { + this.min.max(box.min); + this.max.min(box.max); + if (this.isEmpty()) + this.makeEmpty(); + return this; + } + union(box) { + this.min.min(box.min); + this.max.max(box.max); + return this; + } + translate(offset) { + this.min.add(offset); + this.max.add(offset); + return this; + } + equals(box) { + return box.min.equals(this.min) && box.max.equals(this.max); + } +} +const _startP = /* @__PURE__ */ new Vector3(); +const _startEnd = /* @__PURE__ */ new Vector3(); +class Line3 { + constructor(start = new Vector3(), end = new Vector3()) { + this.start = start; + this.end = end; + } + set(start, end) { + this.start.copy(start); + this.end.copy(end); + return this; + } + copy(line) { + this.start.copy(line.start); + this.end.copy(line.end); + return this; + } + getCenter(target) { + return target.addVectors(this.start, this.end).multiplyScalar(0.5); + } + delta(target) { + return target.subVectors(this.end, this.start); + } + distanceSq() { + return this.start.distanceToSquared(this.end); + } + distance() { + return this.start.distanceTo(this.end); + } + at(t, target) { + return this.delta(target).multiplyScalar(t).add(this.start); + } + closestPointToPointParameter(point, clampToLine) { + _startP.subVectors(point, this.start); + _startEnd.subVectors(this.end, this.start); + const startEnd2 = _startEnd.dot(_startEnd); + const startEnd_startP = _startEnd.dot(_startP); + let t = startEnd_startP / startEnd2; + if (clampToLine) { + t = clamp(t, 0, 1); + } + return t; + } + closestPointToPoint(point, clampToLine, target) { + const t = this.closestPointToPointParameter(point, clampToLine); + return this.delta(target).multiplyScalar(t).add(this.start); + } + applyMatrix4(matrix) { + this.start.applyMatrix4(matrix); + this.end.applyMatrix4(matrix); + return this; + } + equals(line) { + return line.start.equals(this.start) && line.end.equals(this.end); + } + clone() { + return new this.constructor().copy(this); + } +} +const _vector$3 = /* @__PURE__ */ new Vector3(); +class SpotLightHelper extends Object3D { + constructor(light, color) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = "SpotLightHelper"; + const geometry = new BufferGeometry(); + const positions = [ + 0, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 1, + 0, + 1, + 0, + 0, + 0, + -1, + 0, + 1, + 0, + 0, + 0, + 0, + 1, + 1, + 0, + 0, + 0, + 0, + -1, + 1 + ]; + for (let i = 0, j = 1, l = 32; i < l; i++, j++) { + const p1 = i / l * Math.PI * 2; + const p2 = j / l * Math.PI * 2; + positions.push( + Math.cos(p1), + Math.sin(p1), + 1, + Math.cos(p2), + Math.sin(p2), + 1 + ); + } + geometry.setAttribute("position", new Float32BufferAttribute(positions, 3)); + const material = new LineBasicMaterial({ fog: false, toneMapped: false }); + this.cone = new LineSegments(geometry, material); + this.add(this.cone); + this.update(); + } + dispose() { + this.cone.geometry.dispose(); + this.cone.material.dispose(); + } + update() { + this.light.updateWorldMatrix(true, false); + this.light.target.updateWorldMatrix(true, false); + const coneLength = this.light.distance ? this.light.distance : 1e3; + const coneWidth = coneLength * Math.tan(this.light.angle); + this.cone.scale.set(coneWidth, coneWidth, coneLength); + _vector$3.setFromMatrixPosition(this.light.target.matrixWorld); + this.cone.lookAt(_vector$3); + if (this.color !== void 0) { + this.cone.material.color.set(this.color); + } else { + this.cone.material.color.copy(this.light.color); + } + } +} +const _vector$2 = /* @__PURE__ */ new Vector3(); +const _boneMatrix = /* @__PURE__ */ new Matrix4(); +const _matrixWorldInv = /* @__PURE__ */ new Matrix4(); +class SkeletonHelper extends LineSegments { + constructor(object) { + const bones = getBoneList(object); + const geometry = new BufferGeometry(); + const vertices = []; + const colors = []; + const color1 = new Color(0, 0, 1); + const color2 = new Color(0, 1, 0); + for (let i = 0; i < bones.length; i++) { + const bone = bones[i]; + if (bone.parent && bone.parent.isBone) { + vertices.push(0, 0, 0); + vertices.push(0, 0, 0); + colors.push(color1.r, color1.g, color1.b); + colors.push(color2.r, color2.g, color2.b); + } + } + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true }); + super(geometry, material); + this.isSkeletonHelper = true; + this.type = "SkeletonHelper"; + this.root = object; + this.bones = bones; + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + } + updateMatrixWorld(force) { + const bones = this.bones; + const geometry = this.geometry; + const position = geometry.getAttribute("position"); + _matrixWorldInv.copy(this.root.matrixWorld).invert(); + for (let i = 0, j = 0; i < bones.length; i++) { + const bone = bones[i]; + if (bone.parent && bone.parent.isBone) { + _boneMatrix.multiplyMatrices(_matrixWorldInv, bone.matrixWorld); + _vector$2.setFromMatrixPosition(_boneMatrix); + position.setXYZ(j, _vector$2.x, _vector$2.y, _vector$2.z); + _boneMatrix.multiplyMatrices(_matrixWorldInv, bone.parent.matrixWorld); + _vector$2.setFromMatrixPosition(_boneMatrix); + position.setXYZ(j + 1, _vector$2.x, _vector$2.y, _vector$2.z); + j += 2; + } + } + geometry.getAttribute("position").needsUpdate = true; + super.updateMatrixWorld(force); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +function getBoneList(object) { + const boneList = []; + if (object.isBone === true) { + boneList.push(object); + } + for (let i = 0; i < object.children.length; i++) { + boneList.push.apply(boneList, getBoneList(object.children[i])); + } + return boneList; +} +class PointLightHelper extends Mesh { + constructor(light, sphereSize, color) { + const geometry = new SphereGeometry(sphereSize, 4, 2); + const material = new MeshBasicMaterial({ wireframe: true, fog: false, toneMapped: false }); + super(geometry, material); + this.light = light; + this.color = color; + this.type = "PointLightHelper"; + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + this.update(); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + update() { + this.light.updateWorldMatrix(true, false); + if (this.color !== void 0) { + this.material.color.set(this.color); + } else { + this.material.color.copy(this.light.color); + } + } +} +const _vector$1 = /* @__PURE__ */ new Vector3(); +const _color1 = /* @__PURE__ */ new Color(); +const _color2 = /* @__PURE__ */ new Color(); +class HemisphereLightHelper extends Object3D { + constructor(light, size, color) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = "HemisphereLightHelper"; + const geometry = new OctahedronGeometry(size); + geometry.rotateY(Math.PI * 0.5); + this.material = new MeshBasicMaterial({ wireframe: true, fog: false, toneMapped: false }); + if (this.color === void 0) + this.material.vertexColors = true; + const position = geometry.getAttribute("position"); + const colors = new Float32Array(position.count * 3); + geometry.setAttribute("color", new BufferAttribute(colors, 3)); + this.add(new Mesh(geometry, this.material)); + this.update(); + } + dispose() { + this.children[0].geometry.dispose(); + this.children[0].material.dispose(); + } + update() { + const mesh = this.children[0]; + if (this.color !== void 0) { + this.material.color.set(this.color); + } else { + const colors = mesh.geometry.getAttribute("color"); + _color1.copy(this.light.color); + _color2.copy(this.light.groundColor); + for (let i = 0, l = colors.count; i < l; i++) { + const color = i < l / 2 ? _color1 : _color2; + colors.setXYZ(i, color.r, color.g, color.b); + } + colors.needsUpdate = true; + } + this.light.updateWorldMatrix(true, false); + mesh.lookAt(_vector$1.setFromMatrixPosition(this.light.matrixWorld).negate()); + } +} +class GridHelper extends LineSegments { + constructor(size = 10, divisions = 10, color1 = 4473924, color2 = 8947848) { + color1 = new Color(color1); + color2 = new Color(color2); + const center = divisions / 2; + const step = size / divisions; + const halfSize = size / 2; + const vertices = [], colors = []; + for (let i = 0, j = 0, k = -halfSize; i <= divisions; i++, k += step) { + vertices.push(-halfSize, 0, k, halfSize, 0, k); + vertices.push(k, 0, -halfSize, k, 0, halfSize); + const color = i === center ? color1 : color2; + color.toArray(colors, j); + j += 3; + color.toArray(colors, j); + j += 3; + color.toArray(colors, j); + j += 3; + color.toArray(colors, j); + j += 3; + } + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); + super(geometry, material); + this.type = "GridHelper"; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +class PolarGridHelper extends LineSegments { + constructor(radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 4473924, color2 = 8947848) { + color1 = new Color(color1); + color2 = new Color(color2); + const vertices = []; + const colors = []; + if (sectors > 1) { + for (let i = 0; i < sectors; i++) { + const v = i / sectors * (Math.PI * 2); + const x = Math.sin(v) * radius; + const z = Math.cos(v) * radius; + vertices.push(0, 0, 0); + vertices.push(x, 0, z); + const color = i & 1 ? color1 : color2; + colors.push(color.r, color.g, color.b); + colors.push(color.r, color.g, color.b); + } + } + for (let i = 0; i < rings; i++) { + const color = i & 1 ? color1 : color2; + const r = radius - radius / rings * i; + for (let j = 0; j < divisions; j++) { + let v = j / divisions * (Math.PI * 2); + let x = Math.sin(v) * r; + let z = Math.cos(v) * r; + vertices.push(x, 0, z); + colors.push(color.r, color.g, color.b); + v = (j + 1) / divisions * (Math.PI * 2); + x = Math.sin(v) * r; + z = Math.cos(v) * r; + vertices.push(x, 0, z); + colors.push(color.r, color.g, color.b); + } + } + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); + super(geometry, material); + this.type = "PolarGridHelper"; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +const _v1 = /* @__PURE__ */ new Vector3(); +const _v2 = /* @__PURE__ */ new Vector3(); +const _v3 = /* @__PURE__ */ new Vector3(); +class DirectionalLightHelper extends Object3D { + constructor(light, size, color) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = "DirectionalLightHelper"; + if (size === void 0) + size = 1; + let geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute([ + -size, + size, + 0, + size, + size, + 0, + size, + -size, + 0, + -size, + -size, + 0, + -size, + size, + 0 + ], 3)); + const material = new LineBasicMaterial({ fog: false, toneMapped: false }); + this.lightPlane = new Line(geometry, material); + this.add(this.lightPlane); + geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute([0, 0, 0, 0, 0, 1], 3)); + this.targetLine = new Line(geometry, material); + this.add(this.targetLine); + this.update(); + } + dispose() { + this.lightPlane.geometry.dispose(); + this.lightPlane.material.dispose(); + this.targetLine.geometry.dispose(); + this.targetLine.material.dispose(); + } + update() { + this.light.updateWorldMatrix(true, false); + this.light.target.updateWorldMatrix(true, false); + _v1.setFromMatrixPosition(this.light.matrixWorld); + _v2.setFromMatrixPosition(this.light.target.matrixWorld); + _v3.subVectors(_v2, _v1); + this.lightPlane.lookAt(_v2); + if (this.color !== void 0) { + this.lightPlane.material.color.set(this.color); + this.targetLine.material.color.set(this.color); + } else { + this.lightPlane.material.color.copy(this.light.color); + this.targetLine.material.color.copy(this.light.color); + } + this.targetLine.lookAt(_v2); + this.targetLine.scale.z = _v3.length(); + } +} +const _vector = /* @__PURE__ */ new Vector3(); +const _camera = /* @__PURE__ */ new Camera(); +class CameraHelper extends LineSegments { + constructor(camera) { + const geometry = new BufferGeometry(); + const material = new LineBasicMaterial({ color: 16777215, vertexColors: true, toneMapped: false }); + const vertices = []; + const colors = []; + const pointMap = {}; + addLine("n1", "n2"); + addLine("n2", "n4"); + addLine("n4", "n3"); + addLine("n3", "n1"); + addLine("f1", "f2"); + addLine("f2", "f4"); + addLine("f4", "f3"); + addLine("f3", "f1"); + addLine("n1", "f1"); + addLine("n2", "f2"); + addLine("n3", "f3"); + addLine("n4", "f4"); + addLine("p", "n1"); + addLine("p", "n2"); + addLine("p", "n3"); + addLine("p", "n4"); + addLine("u1", "u2"); + addLine("u2", "u3"); + addLine("u3", "u1"); + addLine("c", "t"); + addLine("p", "c"); + addLine("cn1", "cn2"); + addLine("cn3", "cn4"); + addLine("cf1", "cf2"); + addLine("cf3", "cf4"); + function addLine(a, b) { + addPoint(a); + addPoint(b); + } + function addPoint(id) { + vertices.push(0, 0, 0); + colors.push(0, 0, 0); + if (pointMap[id] === void 0) { + pointMap[id] = []; + } + pointMap[id].push(vertices.length / 3 - 1); + } + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + super(geometry, material); + this.type = "CameraHelper"; + this.camera = camera; + if (this.camera.updateProjectionMatrix) + this.camera.updateProjectionMatrix(); + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + this.pointMap = pointMap; + this.update(); + const colorFrustum = new Color(16755200); + const colorCone = new Color(16711680); + const colorUp = new Color(43775); + const colorTarget = new Color(16777215); + const colorCross = new Color(3355443); + this.setColors(colorFrustum, colorCone, colorUp, colorTarget, colorCross); + } + setColors(frustum, cone, up, target, cross) { + const geometry = this.geometry; + const colorAttribute = geometry.getAttribute("color"); + colorAttribute.setXYZ(0, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(1, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(2, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(3, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(4, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(5, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(6, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(7, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(8, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(9, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(10, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(11, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(12, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(13, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(14, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(15, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(16, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(17, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(18, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(19, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(20, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(21, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(22, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(23, frustum.r, frustum.g, frustum.b); + colorAttribute.setXYZ(24, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(25, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(26, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(27, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(28, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(29, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(30, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(31, cone.r, cone.g, cone.b); + colorAttribute.setXYZ(32, up.r, up.g, up.b); + colorAttribute.setXYZ(33, up.r, up.g, up.b); + colorAttribute.setXYZ(34, up.r, up.g, up.b); + colorAttribute.setXYZ(35, up.r, up.g, up.b); + colorAttribute.setXYZ(36, up.r, up.g, up.b); + colorAttribute.setXYZ(37, up.r, up.g, up.b); + colorAttribute.setXYZ(38, target.r, target.g, target.b); + colorAttribute.setXYZ(39, target.r, target.g, target.b); + colorAttribute.setXYZ(40, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(41, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(42, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(43, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(44, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(45, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(46, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(47, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(48, cross.r, cross.g, cross.b); + colorAttribute.setXYZ(49, cross.r, cross.g, cross.b); + colorAttribute.needsUpdate = true; + } + update() { + const geometry = this.geometry; + const pointMap = this.pointMap; + const w = 1, h = 1; + _camera.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse); + setPoint("c", pointMap, geometry, _camera, 0, 0, -1); + setPoint("t", pointMap, geometry, _camera, 0, 0, 1); + setPoint("n1", pointMap, geometry, _camera, -w, -h, -1); + setPoint("n2", pointMap, geometry, _camera, w, -h, -1); + setPoint("n3", pointMap, geometry, _camera, -w, h, -1); + setPoint("n4", pointMap, geometry, _camera, w, h, -1); + setPoint("f1", pointMap, geometry, _camera, -w, -h, 1); + setPoint("f2", pointMap, geometry, _camera, w, -h, 1); + setPoint("f3", pointMap, geometry, _camera, -w, h, 1); + setPoint("f4", pointMap, geometry, _camera, w, h, 1); + setPoint("u1", pointMap, geometry, _camera, w * 0.7, h * 1.1, -1); + setPoint("u2", pointMap, geometry, _camera, -w * 0.7, h * 1.1, -1); + setPoint("u3", pointMap, geometry, _camera, 0, h * 2, -1); + setPoint("cf1", pointMap, geometry, _camera, -w, 0, 1); + setPoint("cf2", pointMap, geometry, _camera, w, 0, 1); + setPoint("cf3", pointMap, geometry, _camera, 0, -h, 1); + setPoint("cf4", pointMap, geometry, _camera, 0, h, 1); + setPoint("cn1", pointMap, geometry, _camera, -w, 0, -1); + setPoint("cn2", pointMap, geometry, _camera, w, 0, -1); + setPoint("cn3", pointMap, geometry, _camera, 0, -h, -1); + setPoint("cn4", pointMap, geometry, _camera, 0, h, -1); + geometry.getAttribute("position").needsUpdate = true; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +function setPoint(point, pointMap, geometry, camera, x, y, z) { + _vector.set(x, y, z).unproject(camera); + const points = pointMap[point]; + if (points !== void 0) { + const position = geometry.getAttribute("position"); + for (let i = 0, l = points.length; i < l; i++) { + position.setXYZ(points[i], _vector.x, _vector.y, _vector.z); + } + } +} +const _box = /* @__PURE__ */ new Box3(); +class BoxHelper extends LineSegments { + constructor(object, color = 16776960) { + const indices = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7]); + const positions = new Float32Array(8 * 3); + const geometry = new BufferGeometry(); + geometry.setIndex(new BufferAttribute(indices, 1)); + geometry.setAttribute("position", new BufferAttribute(positions, 3)); + super(geometry, new LineBasicMaterial({ color, toneMapped: false })); + this.object = object; + this.type = "BoxHelper"; + this.matrixAutoUpdate = false; + this.update(); + } + update(object) { + if (object !== void 0) { + console.warn("THREE.BoxHelper: .update() has no longer arguments."); + } + if (this.object !== void 0) { + _box.setFromObject(this.object); + } + if (_box.isEmpty()) + return; + const min = _box.min; + const max = _box.max; + const position = this.geometry.attributes.position; + const array = position.array; + array[0] = max.x; + array[1] = max.y; + array[2] = max.z; + array[3] = min.x; + array[4] = max.y; + array[5] = max.z; + array[6] = min.x; + array[7] = min.y; + array[8] = max.z; + array[9] = max.x; + array[10] = min.y; + array[11] = max.z; + array[12] = max.x; + array[13] = max.y; + array[14] = min.z; + array[15] = min.x; + array[16] = max.y; + array[17] = min.z; + array[18] = min.x; + array[19] = min.y; + array[20] = min.z; + array[21] = max.x; + array[22] = min.y; + array[23] = min.z; + position.needsUpdate = true; + this.geometry.computeBoundingSphere(); + } + setFromObject(object) { + this.object = object; + this.update(); + return this; + } + copy(source, recursive) { + super.copy(source, recursive); + this.object = source.object; + return this; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +class Box3Helper extends LineSegments { + constructor(box, color = 16776960) { + const indices = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7]); + const positions = [1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1]; + const geometry = new BufferGeometry(); + geometry.setIndex(new BufferAttribute(indices, 1)); + geometry.setAttribute("position", new Float32BufferAttribute(positions, 3)); + super(geometry, new LineBasicMaterial({ color, toneMapped: false })); + this.box = box; + this.type = "Box3Helper"; + this.geometry.computeBoundingSphere(); + } + updateMatrixWorld(force) { + const box = this.box; + if (box.isEmpty()) + return; + box.getCenter(this.position); + box.getSize(this.scale); + this.scale.multiplyScalar(0.5); + super.updateMatrixWorld(force); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +class PlaneHelper extends Line { + constructor(plane, size = 1, hex = 16776960) { + const color = hex; + const positions = [1, -1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, -1, 0, 1, 1, 0]; + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(positions, 3)); + geometry.computeBoundingSphere(); + super(geometry, new LineBasicMaterial({ color, toneMapped: false })); + this.type = "PlaneHelper"; + this.plane = plane; + this.size = size; + const positions2 = [1, 1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, -1, 0]; + const geometry2 = new BufferGeometry(); + geometry2.setAttribute("position", new Float32BufferAttribute(positions2, 3)); + geometry2.computeBoundingSphere(); + this.add(new Mesh(geometry2, new MeshBasicMaterial({ color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false }))); + } + updateMatrixWorld(force) { + this.position.set(0, 0, 0); + this.scale.set(0.5 * this.size, 0.5 * this.size, 1); + this.lookAt(this.plane.normal); + this.translateZ(-this.plane.constant); + super.updateMatrixWorld(force); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + this.children[0].geometry.dispose(); + this.children[0].material.dispose(); + } +} +const _axis = /* @__PURE__ */ new Vector3(); +let _lineGeometry, _coneGeometry; +class ArrowHelper extends Object3D { + // dir is assumed to be normalized + constructor(dir = new Vector3(0, 0, 1), origin = new Vector3(0, 0, 0), length = 1, color = 16776960, headLength = length * 0.2, headWidth = headLength * 0.2) { + super(); + this.type = "ArrowHelper"; + if (_lineGeometry === void 0) { + _lineGeometry = new BufferGeometry(); + _lineGeometry.setAttribute("position", new Float32BufferAttribute([0, 0, 0, 0, 1, 0], 3)); + _coneGeometry = new CylinderGeometry(0, 0.5, 1, 5, 1); + _coneGeometry.translate(0, -0.5, 0); + } + this.position.copy(origin); + this.line = new Line(_lineGeometry, new LineBasicMaterial({ color, toneMapped: false })); + this.line.matrixAutoUpdate = false; + this.add(this.line); + this.cone = new Mesh(_coneGeometry, new MeshBasicMaterial({ color, toneMapped: false })); + this.cone.matrixAutoUpdate = false; + this.add(this.cone); + this.setDirection(dir); + this.setLength(length, headLength, headWidth); + } + setDirection(dir) { + if (dir.y > 0.99999) { + this.quaternion.set(0, 0, 0, 1); + } else if (dir.y < -0.99999) { + this.quaternion.set(1, 0, 0, 0); + } else { + _axis.set(dir.z, 0, -dir.x).normalize(); + const radians = Math.acos(dir.y); + this.quaternion.setFromAxisAngle(_axis, radians); + } + } + setLength(length, headLength = length * 0.2, headWidth = headLength * 0.2) { + this.line.scale.set(1, Math.max(1e-4, length - headLength), 1); + this.line.updateMatrix(); + this.cone.scale.set(headWidth, headLength, headWidth); + this.cone.position.y = length; + this.cone.updateMatrix(); + } + setColor(color) { + this.line.material.color.set(color); + this.cone.material.color.set(color); + } + copy(source) { + super.copy(source, false); + this.line.copy(source.line); + this.cone.copy(source.cone); + return this; + } + dispose() { + this.line.geometry.dispose(); + this.line.material.dispose(); + this.cone.geometry.dispose(); + this.cone.material.dispose(); + } +} +class AxesHelper extends LineSegments { + constructor(size = 1) { + const vertices = [ + 0, + 0, + 0, + size, + 0, + 0, + 0, + 0, + 0, + 0, + size, + 0, + 0, + 0, + 0, + 0, + 0, + size + ]; + const colors = [ + 1, + 0, + 0, + 1, + 0.6, + 0, + 0, + 1, + 0, + 0.6, + 1, + 0, + 0, + 0, + 1, + 0, + 0.6, + 1 + ]; + const geometry = new BufferGeometry(); + geometry.setAttribute("position", new Float32BufferAttribute(vertices, 3)); + geometry.setAttribute("color", new Float32BufferAttribute(colors, 3)); + const material = new LineBasicMaterial({ vertexColors: true, toneMapped: false }); + super(geometry, material); + this.type = "AxesHelper"; + } + setColors(xAxisColor, yAxisColor, zAxisColor) { + const color = new Color(); + const array = this.geometry.attributes.color.array; + color.set(xAxisColor); + color.toArray(array, 0); + color.toArray(array, 3); + color.set(yAxisColor); + color.toArray(array, 6); + color.toArray(array, 9); + color.set(zAxisColor); + color.toArray(array, 12); + color.toArray(array, 15); + this.geometry.attributes.color.needsUpdate = true; + return this; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } +} +class ShapePath { + constructor() { + this.type = "ShapePath"; + this.color = new Color(); + this.subPaths = []; + this.currentPath = null; + } + moveTo(x, y) { + this.currentPath = new Path(); + this.subPaths.push(this.currentPath); + this.currentPath.moveTo(x, y); + return this; + } + lineTo(x, y) { + this.currentPath.lineTo(x, y); + return this; + } + quadraticCurveTo(aCPx, aCPy, aX, aY) { + this.currentPath.quadraticCurveTo(aCPx, aCPy, aX, aY); + return this; + } + bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY) { + this.currentPath.bezierCurveTo(aCP1x, aCP1y, aCP2x, aCP2y, aX, aY); + return this; + } + splineThru(pts) { + this.currentPath.splineThru(pts); + return this; + } + toShapes(isCCW) { + function toShapesNoHoles(inSubpaths) { + const shapes2 = []; + for (let i = 0, l = inSubpaths.length; i < l; i++) { + const tmpPath2 = inSubpaths[i]; + const tmpShape2 = new Shape(); + tmpShape2.curves = tmpPath2.curves; + shapes2.push(tmpShape2); + } + return shapes2; + } + function isPointInsidePolygon(inPt, inPolygon) { + const polyLen = inPolygon.length; + let inside = false; + for (let p = polyLen - 1, q = 0; q < polyLen; p = q++) { + let edgeLowPt = inPolygon[p]; + let edgeHighPt = inPolygon[q]; + let edgeDx = edgeHighPt.x - edgeLowPt.x; + let edgeDy = edgeHighPt.y - edgeLowPt.y; + if (Math.abs(edgeDy) > Number.EPSILON) { + if (edgeDy < 0) { + edgeLowPt = inPolygon[q]; + edgeDx = -edgeDx; + edgeHighPt = inPolygon[p]; + edgeDy = -edgeDy; + } + if (inPt.y < edgeLowPt.y || inPt.y > edgeHighPt.y) + continue; + if (inPt.y === edgeLowPt.y) { + if (inPt.x === edgeLowPt.x) + return true; + } else { + const perpEdge = edgeDy * (inPt.x - edgeLowPt.x) - edgeDx * (inPt.y - edgeLowPt.y); + if (perpEdge === 0) + return true; + if (perpEdge < 0) + continue; + inside = !inside; + } + } else { + if (inPt.y !== edgeLowPt.y) + continue; + if (edgeHighPt.x <= inPt.x && inPt.x <= edgeLowPt.x || edgeLowPt.x <= inPt.x && inPt.x <= edgeHighPt.x) + return true; + } + } + return inside; + } + const isClockWise = ShapeUtils.isClockWise; + const subPaths = this.subPaths; + if (subPaths.length === 0) + return []; + let solid, tmpPath, tmpShape; + const shapes = []; + if (subPaths.length === 1) { + tmpPath = subPaths[0]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push(tmpShape); + return shapes; + } + let holesFirst = !isClockWise(subPaths[0].getPoints()); + holesFirst = isCCW ? !holesFirst : holesFirst; + const betterShapeHoles = []; + const newShapes = []; + let newShapeHoles = []; + let mainIdx = 0; + let tmpPoints; + newShapes[mainIdx] = void 0; + newShapeHoles[mainIdx] = []; + for (let i = 0, l = subPaths.length; i < l; i++) { + tmpPath = subPaths[i]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise(tmpPoints); + solid = isCCW ? !solid : solid; + if (solid) { + if (!holesFirst && newShapes[mainIdx]) + mainIdx++; + newShapes[mainIdx] = { s: new Shape(), p: tmpPoints }; + newShapes[mainIdx].s.curves = tmpPath.curves; + if (holesFirst) + mainIdx++; + newShapeHoles[mainIdx] = []; + } else { + newShapeHoles[mainIdx].push({ h: tmpPath, p: tmpPoints[0] }); + } + } + if (!newShapes[0]) + return toShapesNoHoles(subPaths); + if (newShapes.length > 1) { + let ambiguous = false; + let toChange = 0; + for (let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx++) { + betterShapeHoles[sIdx] = []; + } + for (let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx++) { + const sho = newShapeHoles[sIdx]; + for (let hIdx = 0; hIdx < sho.length; hIdx++) { + const ho = sho[hIdx]; + let hole_unassigned = true; + for (let s2Idx = 0; s2Idx < newShapes.length; s2Idx++) { + if (isPointInsidePolygon(ho.p, newShapes[s2Idx].p)) { + if (sIdx !== s2Idx) + toChange++; + if (hole_unassigned) { + hole_unassigned = false; + betterShapeHoles[s2Idx].push(ho); + } else { + ambiguous = true; + } + } + } + if (hole_unassigned) { + betterShapeHoles[sIdx].push(ho); + } + } + } + if (toChange > 0 && ambiguous === false) { + newShapeHoles = betterShapeHoles; + } + } + let tmpHoles; + for (let i = 0, il = newShapes.length; i < il; i++) { + tmpShape = newShapes[i].s; + shapes.push(tmpShape); + tmpHoles = newShapeHoles[i]; + for (let j = 0, jl = tmpHoles.length; j < jl; j++) { + tmpShape.holes.push(tmpHoles[j].h); + } + } + return shapes; + } +} +if (typeof __THREE_DEVTOOLS__ !== "undefined") { + __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register", { detail: { + revision: REVISION + } })); +} +if (typeof window !== "undefined") { + if (window.__THREE__) { + console.warn("WARNING: Multiple instances of Three.js being imported."); + } else { + window.__THREE__ = REVISION; + } +} +const THREE = /* @__PURE__ */ Object.freeze(/* @__PURE__ */ Object.defineProperty({ + __proto__: null, + ACESFilmicToneMapping, + AddEquation, + AddOperation, + AdditiveAnimationBlendMode, + AdditiveBlending, + AlphaFormat, + AlwaysCompare, + AlwaysDepth, + AlwaysStencilFunc, + AmbientLight, + AnimationAction, + AnimationClip, + AnimationLoader, + AnimationMixer, + AnimationObjectGroup, + AnimationUtils, + ArcCurve, + ArrayCamera, + ArrowHelper, + AttachedBindMode, + Audio, + AudioAnalyser, + AudioContext, + AudioListener, + AudioLoader, + AxesHelper, + BackSide, + BasicDepthPacking, + BasicShadowMap, + BatchedMesh, + Bone, + BooleanKeyframeTrack, + Box2, + Box3, + Box3Helper, + BoxGeometry, + BoxHelper, + BufferAttribute, + BufferGeometry, + BufferGeometryLoader, + ByteType, + Cache, + Camera, + CameraHelper, + CanvasTexture, + CapsuleGeometry, + CatmullRomCurve3, + CineonToneMapping, + CircleGeometry, + ClampToEdgeWrapping, + Clock, + Color, + ColorKeyframeTrack, + ColorManagement, + CompressedArrayTexture, + CompressedCubeTexture, + CompressedTexture, + CompressedTextureLoader, + ConeGeometry, + ConstantAlphaFactor, + ConstantColorFactor, + CubeCamera, + CubeReflectionMapping, + CubeRefractionMapping, + CubeTexture, + CubeTextureLoader, + CubeUVReflectionMapping, + CubicBezierCurve, + CubicBezierCurve3, + CubicInterpolant, + CullFaceBack, + CullFaceFront, + CullFaceFrontBack, + CullFaceNone, + Curve, + CurvePath, + CustomBlending, + CustomToneMapping, + CylinderGeometry, + Cylindrical, + Data3DTexture, + DataArrayTexture, + DataTexture, + DataTextureLoader, + DataUtils, + DecrementStencilOp, + DecrementWrapStencilOp, + DefaultLoadingManager, + DepthFormat, + DepthStencilFormat, + DepthTexture, + DetachedBindMode, + DirectionalLight, + DirectionalLightHelper, + DiscreteInterpolant, + DisplayP3ColorSpace, + DodecahedronGeometry, + DoubleSide, + DstAlphaFactor, + DstColorFactor, + DynamicCopyUsage, + DynamicDrawUsage, + DynamicReadUsage, + EdgesGeometry, + EllipseCurve, + EqualCompare, + EqualDepth, + EqualStencilFunc, + EquirectangularReflectionMapping, + EquirectangularRefractionMapping, + Euler, + EventDispatcher, + ExtrudeGeometry, + FileLoader, + Float16BufferAttribute, + Float32BufferAttribute, + Float64BufferAttribute, + FloatType, + Fog, + FogExp2, + FramebufferTexture, + FrontSide, + Frustum, + GLBufferAttribute, + GLSL1, + GLSL3, + GreaterCompare, + GreaterDepth, + GreaterEqualCompare, + GreaterEqualDepth, + GreaterEqualStencilFunc, + GreaterStencilFunc, + GridHelper, + Group, + HalfFloatType, + HemisphereLight, + HemisphereLightHelper, + IcosahedronGeometry, + ImageBitmapLoader, + ImageLoader, + ImageUtils, + IncrementStencilOp, + IncrementWrapStencilOp, + InstancedBufferAttribute, + InstancedBufferGeometry, + InstancedInterleavedBuffer, + InstancedMesh, + Int16BufferAttribute, + Int32BufferAttribute, + Int8BufferAttribute, + IntType, + InterleavedBuffer, + InterleavedBufferAttribute, + Interpolant, + InterpolateDiscrete, + InterpolateLinear, + InterpolateSmooth, + InvertStencilOp, + KeepStencilOp, + KeyframeTrack, + LOD, + LatheGeometry, + Layers, + LessCompare, + LessDepth, + LessEqualCompare, + LessEqualDepth, + LessEqualStencilFunc, + LessStencilFunc, + Light, + LightProbe, + Line, + Line3, + LineBasicMaterial, + LineCurve, + LineCurve3, + LineDashedMaterial, + LineLoop, + LineSegments, + LinearDisplayP3ColorSpace, + LinearEncoding, + LinearFilter, + LinearInterpolant, + LinearMipMapLinearFilter, + LinearMipMapNearestFilter, + LinearMipmapLinearFilter, + LinearMipmapNearestFilter, + LinearSRGBColorSpace, + LinearToneMapping, + LinearTransfer, + Loader, + LoaderUtils, + LoadingManager, + LoopOnce, + LoopPingPong, + LoopRepeat, + LuminanceAlphaFormat, + LuminanceFormat, + MOUSE, + Material, + MaterialLoader, + MathUtils, + Matrix3, + Matrix4, + MaxEquation, + Mesh, + MeshBasicMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshLambertMaterial, + MeshMatcapMaterial, + MeshNormalMaterial, + MeshPhongMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshToonMaterial, + MinEquation, + MirroredRepeatWrapping, + MixOperation, + MultiplyBlending, + MultiplyOperation, + NearestFilter, + NearestMipMapLinearFilter, + NearestMipMapNearestFilter, + NearestMipmapLinearFilter, + NearestMipmapNearestFilter, + NeverCompare, + NeverDepth, + NeverStencilFunc, + NoBlending, + NoColorSpace, + NoToneMapping, + NormalAnimationBlendMode, + NormalBlending, + NotEqualCompare, + NotEqualDepth, + NotEqualStencilFunc, + NumberKeyframeTrack, + Object3D, + ObjectLoader, + ObjectSpaceNormalMap, + OctahedronGeometry, + OneFactor, + OneMinusConstantAlphaFactor, + OneMinusConstantColorFactor, + OneMinusDstAlphaFactor, + OneMinusDstColorFactor, + OneMinusSrcAlphaFactor, + OneMinusSrcColorFactor, + OrthographicCamera, + P3Primaries, + PCFShadowMap, + PCFSoftShadowMap, + PMREMGenerator, + Path, + PerspectiveCamera, + Plane, + PlaneGeometry, + PlaneHelper, + PointLight, + PointLightHelper, + Points, + PointsMaterial, + PolarGridHelper, + PolyhedronGeometry, + PositionalAudio, + PropertyBinding, + PropertyMixer, + QuadraticBezierCurve, + QuadraticBezierCurve3, + Quaternion, + QuaternionKeyframeTrack, + QuaternionLinearInterpolant, + RED_GREEN_RGTC2_Format, + RED_RGTC1_Format, + REVISION, + RGBADepthPacking, + RGBAFormat, + RGBAIntegerFormat, + RGBA_ASTC_10x10_Format, + RGBA_ASTC_10x5_Format, + RGBA_ASTC_10x6_Format, + RGBA_ASTC_10x8_Format, + RGBA_ASTC_12x10_Format, + RGBA_ASTC_12x12_Format, + RGBA_ASTC_4x4_Format, + RGBA_ASTC_5x4_Format, + RGBA_ASTC_5x5_Format, + RGBA_ASTC_6x5_Format, + RGBA_ASTC_6x6_Format, + RGBA_ASTC_8x5_Format, + RGBA_ASTC_8x6_Format, + RGBA_ASTC_8x8_Format, + RGBA_BPTC_Format, + RGBA_ETC2_EAC_Format, + RGBA_PVRTC_2BPPV1_Format, + RGBA_PVRTC_4BPPV1_Format, + RGBA_S3TC_DXT1_Format, + RGBA_S3TC_DXT3_Format, + RGBA_S3TC_DXT5_Format, + RGB_BPTC_SIGNED_Format, + RGB_BPTC_UNSIGNED_Format, + RGB_ETC1_Format, + RGB_ETC2_Format, + RGB_PVRTC_2BPPV1_Format, + RGB_PVRTC_4BPPV1_Format, + RGB_S3TC_DXT1_Format, + RGFormat, + RGIntegerFormat, + RawShaderMaterial, + Ray, + Raycaster, + Rec709Primaries, + RectAreaLight, + RedFormat, + RedIntegerFormat, + ReinhardToneMapping, + RenderTarget, + RepeatWrapping, + ReplaceStencilOp, + ReverseSubtractEquation, + RingGeometry, + SIGNED_RED_GREEN_RGTC2_Format, + SIGNED_RED_RGTC1_Format, + SRGBColorSpace, + SRGBTransfer, + Scene: Scene$1, + ShaderChunk, + ShaderLib, + ShaderMaterial, + ShadowMaterial, + Shape, + ShapeGeometry, + ShapePath, + ShapeUtils, + ShortType, + Skeleton, + SkeletonHelper, + SkinnedMesh, + Source, + Sphere, + SphereGeometry, + Spherical, + SphericalHarmonics3, + SplineCurve, + SpotLight, + SpotLightHelper, + Sprite, + SpriteMaterial, + SrcAlphaFactor, + SrcAlphaSaturateFactor, + SrcColorFactor, + StaticCopyUsage, + StaticDrawUsage, + StaticReadUsage, + StereoCamera, + StreamCopyUsage, + StreamDrawUsage, + StreamReadUsage, + StringKeyframeTrack, + SubtractEquation, + SubtractiveBlending, + TOUCH, + TangentSpaceNormalMap, + TetrahedronGeometry, + Texture, + TextureLoader, + TorusGeometry, + TorusKnotGeometry, + Triangle, + TriangleFanDrawMode, + TriangleStripDrawMode, + TrianglesDrawMode, + TubeGeometry, + TwoPassDoubleSide, + UVMapping, + Uint16BufferAttribute, + Uint32BufferAttribute, + Uint8BufferAttribute, + Uint8ClampedBufferAttribute, + Uniform, + UniformsGroup, + UniformsLib, + UniformsUtils, + UnsignedByteType, + UnsignedInt248Type, + UnsignedIntType, + UnsignedShort4444Type, + UnsignedShort5551Type, + UnsignedShortType, + VSMShadowMap, + Vector2, + Vector3, + Vector4, + VectorKeyframeTrack, + VideoTexture, + WebGL1Renderer, + WebGL3DRenderTarget, + WebGLArrayRenderTarget, + WebGLCoordinateSystem, + WebGLCubeRenderTarget, + WebGLMultipleRenderTargets, + WebGLRenderTarget, + WebGLRenderer, + WebGLUtils, + WebGPUCoordinateSystem, + WireframeGeometry, + WrapAroundEnding, + ZeroCurvatureEnding, + ZeroFactor, + ZeroSlopeEnding, + ZeroStencilOp, + _SRGBAFormat, + createCanvasElement, + sRGBEncoding +}, Symbol.toStringTag, { value: "Module" })); +function mitt(n) { + return { all: n = n || /* @__PURE__ */ new Map(), on: function(t, e) { + var i = n.get(t); + i ? i.push(e) : n.set(t, [e]); + }, off: function(t, e) { + var i = n.get(t); + i && (e ? i.splice(i.indexOf(e) >>> 0, 1) : n.set(t, [])); + }, emit: function(t, e) { + var i = n.get(t); + i && i.slice().map(function(n2) { + n2(e); + }), (i = n.get("*")) && i.slice().map(function(n2) { + n2(t, e); + }); + } }; +} +class DAG { + allVertices = {}; + /** Nodes that are fully unlinked */ + isolatedVertices = {}; + connectedVertices = {}; + sortedConnectedValues = []; + needsSort = false; + emitter = mitt(); + emit = this.emitter.emit.bind(this.emitter); + on = this.emitter.on.bind(this.emitter); + off = this.emitter.off.bind(this.emitter); + get sortedVertices() { + return this.mapNodes((value) => value); + } + moveToIsolated(key) { + const vertex2 = this.connectedVertices[key]; + if (!vertex2) + return; + this.isolatedVertices[key] = vertex2; + delete this.connectedVertices[key]; + } + moveToConnected(key) { + const vertex2 = this.isolatedVertices[key]; + if (!vertex2) + return; + this.connectedVertices[key] = vertex2; + delete this.isolatedVertices[key]; + } + getKey = (v) => { + if (typeof v === "object") { + return v.key; + } + return v; + }; + add(key, value, options) { + if (this.allVertices[key] && this.allVertices[key].value !== void 0) { + throw new Error(`A node with the key ${key.toString()} already exists`); + } + let vertex2 = this.allVertices[key]; + if (!vertex2) { + vertex2 = { + value, + previous: /* @__PURE__ */ new Set(), + next: /* @__PURE__ */ new Set() + }; + this.allVertices[key] = vertex2; + } else if (vertex2.value === void 0) { + vertex2.value = value; + } + const hasEdges = vertex2.next.size > 0 || vertex2.previous.size > 0; + if (!options?.after && !options?.before && !hasEdges) { + this.isolatedVertices[key] = vertex2; + this.emit("node:added", { + key, + type: "isolated", + value + }); + return; + } else { + this.connectedVertices[key] = vertex2; + } + if (options?.after) { + const afterArr = Array.isArray(options.after) ? options.after : [options.after]; + afterArr.forEach((after) => { + vertex2.previous.add(this.getKey(after)); + }); + afterArr.forEach((after) => { + const afterKey = this.getKey(after); + const linkedAfter = this.allVertices[afterKey]; + if (!linkedAfter) { + this.allVertices[afterKey] = { + value: void 0, + previous: /* @__PURE__ */ new Set(), + next: /* @__PURE__ */ new Set([key]) + }; + this.connectedVertices[afterKey] = this.allVertices[afterKey]; + } else { + linkedAfter.next.add(key); + this.moveToConnected(afterKey); + } + }); + } + if (options?.before) { + const beforeArr = Array.isArray(options.before) ? options.before : [options.before]; + beforeArr.forEach((before) => { + vertex2.next.add(this.getKey(before)); + }); + beforeArr.forEach((before) => { + const beforeKey = this.getKey(before); + const linkedBefore = this.allVertices[beforeKey]; + if (!linkedBefore) { + this.allVertices[beforeKey] = { + value: void 0, + previous: /* @__PURE__ */ new Set([key]), + next: /* @__PURE__ */ new Set() + }; + this.connectedVertices[beforeKey] = this.allVertices[beforeKey]; + } else { + linkedBefore.previous.add(key); + this.moveToConnected(beforeKey); + } + }); + } + this.emit("node:added", { + key, + type: "connected", + value + }); + this.needsSort = true; + } + remove(key) { + const removeKey = this.getKey(key); + const unlinkedVertex = this.isolatedVertices[removeKey]; + if (unlinkedVertex) { + delete this.isolatedVertices[removeKey]; + delete this.allVertices[removeKey]; + this.emit("node:removed", { + key: removeKey, + type: "isolated" + }); + return; + } + const linkedVertex = this.connectedVertices[removeKey]; + if (!linkedVertex) { + return; + } + linkedVertex.next.forEach((nextKey) => { + const nextVertex = this.connectedVertices[nextKey]; + if (nextVertex) { + nextVertex.previous.delete(removeKey); + if (nextVertex.previous.size === 0 && nextVertex.next.size === 0) { + this.moveToIsolated(nextKey); + } + } + }); + linkedVertex.previous.forEach((prevKey) => { + const prevVertex = this.connectedVertices[prevKey]; + if (prevVertex) { + prevVertex.next.delete(removeKey); + if (prevVertex.previous.size === 0 && prevVertex.next.size === 0) { + this.moveToIsolated(prevKey); + } + } + }); + delete this.connectedVertices[removeKey]; + delete this.allVertices[removeKey]; + this.emit("node:removed", { + key: removeKey, + type: "connected" + }); + this.needsSort = true; + } + mapNodes(callback) { + if (this.needsSort) { + this.sort(); + } + const result = []; + this.forEachNode((value, index) => { + result.push(callback(value, index)); + }); + return result; + } + forEachNode(callback) { + if (this.needsSort) { + this.sort(); + } + let index = 0; + for (; index < this.sortedConnectedValues.length; index++) { + callback(this.sortedConnectedValues[index], index); + } + Reflect.ownKeys(this.isolatedVertices).forEach((key) => { + const vertex2 = this.isolatedVertices[key]; + if (vertex2.value !== void 0) + callback(vertex2.value, index++); + }); + } + getValueByKey(key) { + return this.allVertices[key]?.value; + } + getKeyByValue(value) { + return Reflect.ownKeys(this.connectedVertices).find((key) => this.connectedVertices[key].value === value) ?? Reflect.ownKeys(this.isolatedVertices).find((key) => this.isolatedVertices[key].value === value); + } + sort() { + const inDegree = /* @__PURE__ */ new Map(); + const zeroInDegreeQueue = []; + const result = []; + const connectedVertexKeysWithValues = Reflect.ownKeys(this.connectedVertices).filter((key) => { + const vertex2 = this.connectedVertices[key]; + return vertex2.value !== void 0; + }); + connectedVertexKeysWithValues.forEach((vertex2) => { + inDegree.set(vertex2, 0); + }); + connectedVertexKeysWithValues.forEach((vertexKey) => { + const vertex2 = this.connectedVertices[vertexKey]; + vertex2.next.forEach((next) => { + const nextVertex = this.connectedVertices[next]; + if (!nextVertex) + return; + inDegree.set(next, (inDegree.get(next) || 0) + 1); + }); + }); + inDegree.forEach((degree, value) => { + if (degree === 0) { + zeroInDegreeQueue.push(value); + } + }); + while (zeroInDegreeQueue.length > 0) { + const vertexKey = zeroInDegreeQueue.shift(); + result.push(vertexKey); + const v = connectedVertexKeysWithValues.find((key) => key === vertexKey); + if (v) { + this.connectedVertices[v]?.next.forEach((adjVertex) => { + const adjVertexInDegree = (inDegree.get(adjVertex) || 0) - 1; + inDegree.set(adjVertex, adjVertexInDegree); + if (adjVertexInDegree === 0) { + zeroInDegreeQueue.push(adjVertex); + } + }); + } + } + if (result.length !== connectedVertexKeysWithValues.length) { + throw new Error("The graph contains a cycle, and thus can not be sorted topologically."); + } + const filterUndefined = (value) => value !== void 0; + this.sortedConnectedValues = result.map((key) => this.connectedVertices[key].value).filter(filterUndefined); + this.needsSort = false; + } + clear() { + this.allVertices = {}; + this.isolatedVertices = {}; + this.connectedVertices = {}; + this.sortedConnectedValues = []; + this.needsSort = false; + } + static isKey(value) { + return typeof value === "string" || typeof value === "symbol"; + } + static isValue(value) { + return typeof value === "object" && "key" in value; + } +} +class Task { + key; + stage; + callback; + runTask = true; + stop() { + this.runTask = false; + } + start() { + this.runTask = true; + } + constructor(stage, key, callback) { + this.stage = stage; + this.key = key; + this.callback = callback; + } + run(delta) { + if (!this.runTask) + return; + this.callback(delta); + } +} +class Stage extends DAG { + key; + scheduler; + get tasks() { + return this.sortedVertices; + } + callback = (_, r) => r(); + constructor(scheduler, key, callback) { + super(); + this.scheduler = scheduler; + this.key = key; + if (callback) + this.callback = callback.bind(this); + } + createTask(key, callback, options) { + const task = new Task(this, key, callback); + this.add(key, task, options); + return task; + } + getTask(key) { + return this.getValueByKey(key); + } + removeTask = this.remove.bind(this); + run(delta) { + this.callback(delta, (deltaOverride) => { + this.forEachNode((task) => { + task.run(deltaOverride ?? delta); + }); + }); + } + runWithTiming(delta) { + const taskTimings = {}; + this.callback(delta, (deltaOverride) => { + this.forEachNode((task) => { + const start = performance.now(); + task.run(deltaOverride ?? delta); + const duration = performance.now() - start; + taskTimings[task.key] = duration; + }); + }); + return taskTimings; + } + getSchedule() { + return this.mapNodes((l) => l.key.toString()); + } +} +class Scheduler extends DAG { + lastTime = performance.now(); + clampDeltaTo = 0.1; + get stages() { + return this.sortedVertices; + } + constructor(options) { + super(); + if (options?.clampDeltaTo) + this.clampDeltaTo = options.clampDeltaTo; + this.run = this.run.bind(this); + } + createStage(key, options) { + const stage = new Stage(this, key, options?.callback); + this.add(key, stage, { + after: options?.after, + before: options?.before + }); + return stage; + } + getStage(key) { + return this.getValueByKey(key); + } + removeStage = this.remove.bind(this); + /** + * Runs all the stages in the scheduler. + * + * @param time The time in milliseconds since the start of the program. + */ + run(time) { + const delta = time - this.lastTime; + this.forEachNode((stage) => { + stage.run(Math.min(delta / 1e3, this.clampDeltaTo)); + }); + this.lastTime = time; + } + runWithTiming(time) { + const delta = time - this.lastTime; + const stageTimings = {}; + const start = performance.now(); + this.forEachNode((stage) => { + const start2 = performance.now(); + const taskTimings = stage.runWithTiming(Math.min(delta / 1e3, this.clampDeltaTo)); + const duration = performance.now() - start2; + stageTimings[stage.key.toString()] = { + duration, + tasks: taskTimings + }; + }); + return { + total: performance.now() - start, + stages: stageTimings + }; + } + getSchedule(include = { + tasks: true + }) { + return { + stages: this.mapNodes((stage) => { + if (stage === void 0) + throw new Error("Stage not found"); + return { + key: stage.key.toString(), + ...{ tasks: include.tasks ? stage.getSchedule() : void 0 } + }; + }) + }; + } + dispose() { + this.clear(); + } +} +const useLegacyFrameCompatibilityContextKey = Symbol("use-legacy-frame-compatibility-context"); +const injectLegacyFrameCompatibilityContext = () => { + const ctx = { + useFrameOrders: [], + useRenderOrders: [] + }; + setContext(useLegacyFrameCompatibilityContextKey, ctx); + return ctx; +}; +const watch = (stores, callback) => { + const d = derived(stores, (values) => { + return values; + }); + let cleanupFn; + const unsubscribe = d.subscribe(async (values) => { + if (cleanupFn) + cleanupFn(); + const fn = await callback(values); + if (fn) + cleanupFn = fn; + }); + onDestroy(() => { + unsubscribe(); + if (cleanupFn) + cleanupFn(); + }); +}; +const currentWritable = (value) => { + const store = writable(value); + const extendedWritable = { + set: (value2) => { + extendedWritable.current = value2; + store.set(value2); + }, + subscribe: store.subscribe, + update: (fn) => { + const newValue = fn(extendedWritable.current); + extendedWritable.current = newValue; + store.set(newValue); + }, + current: value + }; + return extendedWritable; +}; +const browser = typeof window !== "undefined"; +const useParentSize = () => { + const parentSize = currentWritable({ width: 0, height: 0 }); + if (!browser) { + return { + parentSize, + parentSizeAction: () => { + } + }; + } + const mutationOptions = { childList: true, subtree: false, attributes: false }; + let el; + const observeParent = (parent) => { + resizeObserver.disconnect(); + mutationObserver.disconnect(); + resizeObserver.observe(parent); + mutationObserver.observe(parent, mutationOptions); + }; + const resizeObserver = new ResizeObserver(([entry]) => { + const { width, height } = entry.contentRect; + if (width === parentSize.current.width && height === parentSize.current.height) + return; + parentSize.set({ width, height }); + }); + const mutationObserver = new MutationObserver((mutationsList) => { + for (const mutation of mutationsList) { + for (const node of mutation.removedNodes) { + if (el === node && el.parentElement) { + observeParent(el.parentElement); + return; + } + } + } + }); + const parentSizeAction = (node) => { + el = node; + const parent = el.parentElement; + if (!parent) + return; + parentSize.set({ + width: parent.clientWidth, + height: parent.clientHeight + }); + observeParent(parent); + }; + onDestroy(() => { + resizeObserver.disconnect(); + mutationObserver.disconnect(); + }); + return { + parentSize, + parentSizeAction + }; +}; +function createObjectStore(object, onChange) { + const objectStore = writable(object); + let unwrappedObject = object; + const unsubscribeObjectStore = objectStore.subscribe((o) => unwrappedObject = o); + onDestroy(unsubscribeObjectStore); + const set = (newObject) => { + if (newObject?.uuid === unwrappedObject?.uuid) + return; + const oldObject = unwrappedObject; + objectStore.set(newObject); + onChange?.(newObject, oldObject); + }; + const update2 = (callback) => { + const newObject = callback(unwrappedObject); + if (newObject?.uuid === unwrappedObject?.uuid) + return; + const oldObject = unwrappedObject; + objectStore.set(newObject); + onChange?.(newObject, oldObject); + }; + return { + ...objectStore, + set, + update: update2 + }; +} +const useThrelte = () => { + const context = getContext("threlte"); + if (context === void 0) { + throw new Error("No Threlte context found, are you using this hook inside of ?"); + } + return context; +}; +const useParent = () => { + return getContext("threlte-hierarchical-parent-context"); +}; +const useHierarchicalObject = () => { + return { + onChildMount: getContext("threlte-hierarchical-object-on-mount"), + onChildDestroy: getContext("threlte-hierarchical-object-on-destroy") + }; +}; +const HierarchicalObject = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $parentStore, $$unsubscribe_parentStore; + let { object = void 0 } = $$props; + let { onChildMount = void 0 } = $$props; + const onChildMountProxy = (child) => { + onChildMount?.(child); + }; + let { onChildDestroy = void 0 } = $$props; + const onChildDestroyProxy = (child) => { + onChildDestroy?.(child); + }; + const { invalidate } = useThrelte(); + const parentStore = useParent(); + $$unsubscribe_parentStore = subscribe(parentStore, (value) => $parentStore = value); + let { parent = $parentStore } = $$props; + const parentCallbacks = useHierarchicalObject(); + if (object) { + parentCallbacks.onChildMount?.(object); + invalidate(); + } + const objectStore = createObjectStore(object, (newObject, oldObject) => { + if (oldObject) { + parentCallbacks.onChildDestroy?.(oldObject); + invalidate(); + } + if (newObject) { + parentCallbacks.onChildMount?.(newObject); + invalidate(); + } + }); + onDestroy(() => { + if (object) { + parentCallbacks.onChildDestroy?.(object); + invalidate(); + } + }); + setContext("threlte-hierarchical-object-on-mount", onChildMountProxy); + setContext("threlte-hierarchical-object-on-destroy", onChildDestroyProxy); + setContext("threlte-hierarchical-parent-context", objectStore); + if ($$props.object === void 0 && $$bindings.object && object !== void 0) + $$bindings.object(object); + if ($$props.onChildMount === void 0 && $$bindings.onChildMount && onChildMount !== void 0) + $$bindings.onChildMount(onChildMount); + if ($$props.onChildDestroy === void 0 && $$bindings.onChildDestroy && onChildDestroy !== void 0) + $$bindings.onChildDestroy(onChildDestroy); + if ($$props.parent === void 0 && $$bindings.parent && parent !== void 0) + $$bindings.parent(parent); + parent = $parentStore; + { + objectStore.set(object); + } + $$unsubscribe_parentStore(); + return ` ${slots.default ? slots.default({}) : ``}`; +}); +const SceneGraphObject = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let { object } = $$props; + if ($$props.object === void 0 && $$bindings.object && object !== void 0) + $$bindings.object(object); + return `${validate_component(HierarchicalObject, "HierarchicalObject").$$render( + $$result, + { + object, + onChildMount: (child) => object.add(child), + onChildDestroy: (child) => object.remove(child) + }, + {}, + { + default: () => { + return `${slots.default ? slots.default({}) : ``}`; + } + } + )}`; +}); +const createCache = () => { + setContext("threlte-cache", []); +}; +const getThrelteUserData = (object) => { + return object.userData; +}; +const createDefaultCamera = () => { + const defaultCamera = new PerspectiveCamera(75, 0, 0.1, 1e3); + getThrelteUserData(defaultCamera).threlteDefaultCamera = true; + defaultCamera.position.z = 5; + defaultCamera.lookAt(0, 0, 0); + return defaultCamera; +}; +const setDefaultCameraAspectOnSizeChange = (ctx) => { + watch(ctx.size, (size) => { + if (getThrelteUserData(get_store_value(ctx.camera)).threlteDefaultCamera) { + ctx.camera.update((c) => { + const cam = c; + cam.aspect = size.width / size.height; + cam.updateProjectionMatrix(); + ctx.invalidate(); + return cam; + }); + } + }); +}; +const createContexts = (options) => { + const internalCtx = { + frameInvalidated: true, + advance: false, + autoInvalidations: /* @__PURE__ */ new Set(), + resetFrameInvalidation: () => { + internalCtx.frameInvalidated = false; + internalCtx.advance = false; + }, + dispose: async (force = false) => { + await tick(); + if (!internalCtx.shouldDispose && !force) + return; + internalCtx.disposableObjects.forEach((mounted, object) => { + if (mounted === 0 || force) { + object?.dispose?.(); + internalCtx.disposableObjects.delete(object); + } + }); + internalCtx.shouldDispose = false; + }, + collectDisposableObjects: (object, objects) => { + const disposables = objects ?? []; + if (!object) + return disposables; + if (object?.dispose && typeof object.dispose === "function" && object.type !== "Scene") { + disposables.push(object); + } + Object.entries(object).forEach(([propKey, propValue]) => { + if (propKey === "parent" || propKey === "children" || typeof propValue !== "object") + return; + const value = propValue; + if (value?.dispose) { + internalCtx.collectDisposableObjects(value, disposables); + } + }); + return disposables; + }, + addDisposableObjects: (objects) => { + objects.forEach((obj) => { + const currentValue = internalCtx.disposableObjects.get(obj); + if (currentValue) { + internalCtx.disposableObjects.set(obj, currentValue + 1); + } else { + internalCtx.disposableObjects.set(obj, 1); + } + }); + }, + removeDisposableObjects: (objects) => { + if (objects.length === 0) + return; + objects.forEach((obj) => { + const currentValue = internalCtx.disposableObjects.get(obj); + if (currentValue && currentValue > 0) { + internalCtx.disposableObjects.set(obj, currentValue - 1); + } + }); + internalCtx.shouldDispose = true; + }, + disposableObjects: /* @__PURE__ */ new Map(), + shouldDispose: false + }; + const ctx = { + size: derived([options.userSize, options.parentSize], ([uSize, pSize]) => { + return uSize ? uSize : pSize; + }), + camera: currentWritable(createDefaultCamera()), + scene: new Scene$1(), + renderer: void 0, + invalidate: () => { + internalCtx.frameInvalidated = true; + }, + advance: () => { + internalCtx.advance = true; + }, + colorSpace: currentWritable(options.colorSpace), + toneMapping: currentWritable(options.toneMapping), + dpr: currentWritable(options.dpr), + useLegacyLights: currentWritable(options.useLegacyLights), + shadows: currentWritable(options.shadows), + colorManagementEnabled: currentWritable(options.colorManagementEnabled), + renderMode: currentWritable(options.renderMode), + autoRender: currentWritable(options.autoRender), + scheduler: void 0, + mainStage: void 0, + renderStage: void 0, + autoRenderTask: void 0, + shouldRender: () => { + const shouldRender = ctx.renderMode.current === "always" || ctx.renderMode.current === "on-demand" && (internalCtx.frameInvalidated || internalCtx.autoInvalidations.size > 0) || ctx.renderMode.current === "manual" && internalCtx.advance; + return shouldRender; + } + }; + const userCtx = currentWritable({}); + setContext("threlte", ctx); + setContext("threlte-internal-context", internalCtx); + setContext("threlte-user-context", userCtx); + const getCtx = () => ctx; + const getInternalCtx = () => internalCtx; + return { + ctx, + internalCtx, + getCtx, + getInternalCtx + }; +}; +const normalizedRevision = REVISION.replace("dev", ""); +const revision$1 = Number.parseInt(normalizedRevision); +const colorSpaceToEncoding = { + srgb: sRGBEncoding, + "srgb-linear": LinearEncoding, + "": LinearEncoding +}; +const rendererHasOutputColorSpaceProperty = (renderer) => { + return renderer.outputColorSpace !== void 0; +}; +const useRenderer = (ctx) => { + const renderer = writable(void 0); + const createRenderer = (canvas, rendererParameters) => { + ctx.renderer = new WebGLRenderer({ + powerPreference: "high-performance", + canvas, + antialias: true, + alpha: true, + ...rendererParameters + }); + renderer.set(ctx.renderer); + }; + watch([ctx.colorManagementEnabled], ([colorManagementEnabled]) => { + if (revision$1 >= 150) { + ColorManagement.enabled = colorManagementEnabled; + } else { + ColorManagement.legacyMode = !colorManagementEnabled; + } + }); + watch([renderer, ctx.colorSpace], ([renderer2, colorSpace]) => { + if (!renderer2) + return; + if (rendererHasOutputColorSpaceProperty(renderer2)) { + renderer2.outputColorSpace = colorSpace; + } else { + const encoding = colorSpaceToEncoding[colorSpace]; + if (!encoding) { + console.warn("No encoding found for colorSpace", colorSpace); + } else { + renderer2.outputEncoding = encoding; + } + } + }); + watch([renderer, ctx.dpr], ([renderer2, dpr]) => { + renderer2?.setPixelRatio(dpr); + }); + watch([renderer, ctx.size], ([renderer2, size]) => { + if (renderer2?.xr?.isPresenting) + return; + renderer2?.setSize(size.width, size.height); + }); + watch([renderer, ctx.shadows], ([renderer2, shadows]) => { + if (!renderer2) + return; + renderer2.shadowMap.enabled = !!shadows; + if (shadows && shadows !== true) { + renderer2.shadowMap.type = shadows; + } else if (shadows === true) { + renderer2.shadowMap.type = PCFSoftShadowMap; + } + }); + watch([renderer, ctx.toneMapping], ([renderer2, toneMapping]) => { + if (!renderer2) + return; + renderer2.toneMapping = toneMapping; + }); + watch([renderer, ctx.useLegacyLights], ([renderer2, useLegacyLights]) => { + if (!renderer2) + return; + if (revision$1 >= 150 && useLegacyLights) { + renderer2.useLegacyLights = useLegacyLights; + } else if (revision$1 < 150) { + renderer2.physicallyCorrectLights = !useLegacyLights; + } + }); + return { + createRenderer + }; +}; +const css$2 = { + code: "canvas.svelte-o3oskp{display:block}", + map: null +}; +const Canvas = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $initialized, $$unsubscribe_initialized; + let { colorManagementEnabled = true } = $$props; + let { colorSpace = "srgb" } = $$props; + let { dpr = browser ? window.devicePixelRatio : 1 } = $$props; + let { renderMode = "on-demand" } = $$props; + let { rendererParameters = void 0 } = $$props; + let { shadows = PCFSoftShadowMap } = $$props; + let { size = void 0 } = $$props; + let { toneMapping = ACESFilmicToneMapping } = $$props; + let { useLegacyLights = revision$1 >= 155 ? false : true } = $$props; + let { autoRender = true } = $$props; + let canvas; + let initialized = writable(false); + $$unsubscribe_initialized = subscribe(initialized, (value) => $initialized = value); + const userSize = writable(size); + const { parentSize, parentSizeAction } = useParentSize(); + const { useRenderOrders } = injectLegacyFrameCompatibilityContext(); + const contexts = createContexts({ + colorManagementEnabled, + colorSpace, + dpr, + renderMode, + parentSize, + autoRender, + shadows, + toneMapping, + useLegacyLights, + userSize + }); + const scheduler = new Scheduler(); + contexts.getCtx().mainStage = scheduler.createStage(Symbol("threlte-main-stage")); + contexts.getCtx().renderStage = scheduler.createStage(Symbol("threlte-render-stage"), { + after: contexts.ctx.mainStage, + callback(_, runTasks) { + if (contexts.ctx.shouldRender()) + runTasks(); + } + }); + contexts.getCtx().autoRenderTask = contexts.ctx.renderStage.createTask(Symbol("threlte-auto-render-task"), (_) => { + if (useRenderOrders.length > 0) + return; + contexts.ctx.renderer.render(ctx.scene, ctx.camera.current); + }); + watch([initialized, contexts.ctx.autoRender], ([initialized2, autoRender2]) => { + if (initialized2 && autoRender2) { + contexts.getCtx().autoRenderTask.start(); + } else { + contexts.getCtx().autoRenderTask.stop(); + } + return () => { + contexts.getCtx().autoRenderTask.stop(); + }; + }); + contexts.getCtx().scheduler = scheduler; + createCache(); + const ctx = contexts.ctx; + setDefaultCameraAspectOnSizeChange(ctx); + useRenderer(ctx); + onDestroy(() => { + contexts.internalCtx.dispose(true); + contexts.ctx.scheduler.dispose(); + contexts.ctx.renderer?.dispose(); + }); + if ($$props.colorManagementEnabled === void 0 && $$bindings.colorManagementEnabled && colorManagementEnabled !== void 0) + $$bindings.colorManagementEnabled(colorManagementEnabled); + if ($$props.colorSpace === void 0 && $$bindings.colorSpace && colorSpace !== void 0) + $$bindings.colorSpace(colorSpace); + if ($$props.dpr === void 0 && $$bindings.dpr && dpr !== void 0) + $$bindings.dpr(dpr); + if ($$props.renderMode === void 0 && $$bindings.renderMode && renderMode !== void 0) + $$bindings.renderMode(renderMode); + if ($$props.rendererParameters === void 0 && $$bindings.rendererParameters && rendererParameters !== void 0) + $$bindings.rendererParameters(rendererParameters); + if ($$props.shadows === void 0 && $$bindings.shadows && shadows !== void 0) + $$bindings.shadows(shadows); + if ($$props.size === void 0 && $$bindings.size && size !== void 0) + $$bindings.size(size); + if ($$props.toneMapping === void 0 && $$bindings.toneMapping && toneMapping !== void 0) + $$bindings.toneMapping(toneMapping); + if ($$props.useLegacyLights === void 0 && $$bindings.useLegacyLights && useLegacyLights !== void 0) + $$bindings.useLegacyLights(useLegacyLights); + if ($$props.autoRender === void 0 && $$bindings.autoRender && autoRender !== void 0) + $$bindings.autoRender(autoRender); + if ($$props.ctx === void 0 && $$bindings.ctx && ctx !== void 0) + $$bindings.ctx(ctx); + $$result.css.add(css$2); + { + userSize.set(size); + } + { + contexts.ctx.colorSpace.set(colorSpace); + } + { + contexts.ctx.dpr.set(dpr); + } + { + contexts.ctx.renderMode.set(renderMode); + } + { + contexts.ctx.autoRender.set(autoRender); + } + { + contexts.ctx.shadows.set(shadows); + } + { + contexts.ctx.toneMapping.set(toneMapping); + } + $$unsubscribe_initialized(); + return `${$initialized ? `${validate_component(SceneGraphObject, "SceneGraphObject").$$render($$result, { object: contexts.ctx.scene }, {}, { + default: () => { + return `${slots.default ? slots.default({}) : ``}`; + } + })}` : ``} `; +}); +const useThrelteInternal = () => { + return getContext("threlte-internal-context"); +}; +const contextName = "threlte-disposable-object-context"; +const DisposableObject = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $mergedDispose, $$unsubscribe_mergedDispose; + let $parentDispose, $$unsubscribe_parentDispose; + const { collectDisposableObjects, addDisposableObjects, removeDisposableObjects } = useThrelteInternal(); + let { object = void 0 } = $$props; + let previousObject = object; + let { dispose = void 0 } = $$props; + const parentDispose = getContext(contextName); + $$unsubscribe_parentDispose = subscribe(parentDispose, (value) => $parentDispose = value); + const mergedDispose = writable(dispose ?? $parentDispose ?? true); + $$unsubscribe_mergedDispose = subscribe(mergedDispose, (value) => $mergedDispose = value); + setContext(contextName, mergedDispose); + let disposables = $mergedDispose ? collectDisposableObjects(object) : []; + addDisposableObjects(disposables); + onDestroy(() => { + removeDisposableObjects(disposables); + }); + if ($$props.object === void 0 && $$bindings.object && object !== void 0) + $$bindings.object(object); + if ($$props.dispose === void 0 && $$bindings.dispose && dispose !== void 0) + $$bindings.dispose(dispose); + { + mergedDispose.set(dispose ?? $parentDispose ?? true); + } + { + { + if (object !== previousObject) { + removeDisposableObjects(disposables); + disposables = $mergedDispose ? collectDisposableObjects(object) : []; + addDisposableObjects(disposables); + previousObject = object; + } + } + } + $$unsubscribe_mergedDispose(); + $$unsubscribe_parentDispose(); + return `${slots.default ? slots.default({}) : ``}`; +}); +const resolvePropertyPath = (target, propertyPath) => { + if (propertyPath.includes(".")) { + const path = propertyPath.split("."); + const key = path.pop(); + for (let i = 0; i < path.length; i += 1) { + target = target[path[i]]; + } + return { + target, + key + }; + } else { + return { + target, + key: propertyPath + }; + } +}; +const initialValueBeforeAttach = Symbol("initialValueBeforeAttach"); +const useAttach = () => { + const { invalidate } = useThrelte(); + let isAttached = false; + let valueBeforeAttach = initialValueBeforeAttach; + let detachFn; + let attachedTo; + let attachedKey; + const update2 = (instance, parent, attach) => { + detach(); + if (!attach) { + const i = instance; + const isMaterial = i?.isMaterial || false; + if (isMaterial) { + attach = "material"; + } + const isGeometry = i?.isBufferGeometry || i?.isGeometry || false; + if (isGeometry) { + attach = "geometry"; + } + } + if (!attach) + return; + if (typeof attach === "function") { + detachFn = attach(parent, instance); + } else { + const { target, key } = resolvePropertyPath(parent, attach); + valueBeforeAttach = target[key]; + target[key] = instance; + attachedTo = target; + attachedKey = key; + } + isAttached = true; + invalidate(); + }; + const detach = () => { + if (!isAttached) + return; + if (detachFn) { + detachFn(); + detachFn = void 0; + } else if (attachedTo && attachedKey && valueBeforeAttach !== initialValueBeforeAttach) { + attachedTo[attachedKey] = valueBeforeAttach; + valueBeforeAttach = initialValueBeforeAttach; + attachedTo = void 0; + attachedKey = void 0; + } + isAttached = false; + invalidate(); + }; + onDestroy(() => { + detach(); + }); + return { + update: update2 + }; +}; +const isCamera = (value) => { + return value && value.isCamera; +}; +const isOrthographicCamera$1 = (value) => { + return value && value.isOrthographicCamera; +}; +const isPerspectiveCamera$1 = (value) => { + return value && value.isPerspectiveCamera; +}; +const isPerspectiveCameraOrOrthographicCamera = (value) => { + return isPerspectiveCamera$1(value) || isOrthographicCamera$1(value); +}; +const useCamera = () => { + const { invalidate, size, camera } = useThrelte(); + let currentInstance; + let unsubscribe = void 0; + onDestroy(() => { + unsubscribe?.(); + }); + const subscriber = (size2) => { + if (!currentInstance) + return; + if (isOrthographicCamera$1(currentInstance)) { + currentInstance.left = size2.width / -2; + currentInstance.right = size2.width / 2; + currentInstance.top = size2.height / 2; + currentInstance.bottom = size2.height / -2; + currentInstance.updateProjectionMatrix(); + currentInstance.updateMatrixWorld(); + invalidate(); + } else if (isPerspectiveCamera$1(currentInstance)) { + currentInstance.aspect = size2.width / size2.height; + currentInstance.updateProjectionMatrix(); + currentInstance.updateMatrixWorld(); + invalidate(); + } + }; + const update2 = (instance, manual) => { + unsubscribe?.(); + if (manual || !isPerspectiveCameraOrOrthographicCamera(instance)) { + currentInstance = void 0; + return; + } + currentInstance = instance; + unsubscribe = size.subscribe(subscriber); + }; + const makeDefaultCamera = (instance, makeDefault) => { + if (!isCamera(instance) || !makeDefault) + return; + camera.set(instance); + invalidate(); + }; + return { + update: update2, + makeDefaultCamera + }; +}; +const createRawEventDispatcher = () => { + const component = get_current_component(); + const dispatchRawEvent = (type, value) => { + const callbacks = component.$$.callbacks[type]; + if (callbacks) { + callbacks.forEach((fn) => { + fn(value); + }); + } + }; + const hasEventListener = (type) => { + return Boolean(component.$$.callbacks[type]); + }; + Object.defineProperty(dispatchRawEvent, "hasEventListener", { + value: hasEventListener, + enumerable: true + }); + return dispatchRawEvent; +}; +const useCreateEvent = () => { + createRawEventDispatcher(); + const cleanupFunctions = []; + const updateRef = (newRef) => { + return; + }; + onDestroy(() => { + cleanupFunctions.forEach((cleanup) => cleanup()); + }); + return { + updateRef + }; +}; +const isEventDispatcher = (value) => { + return !!value?.addEventListener; +}; +const useEvents = () => { + const dispatch = createRawEventDispatcher(); + get_current_component(); + const eventHandlerProxy = (event) => { + if (event?.type) { + dispatch(event.type, event); + } + }; + const cleanupEventListeners = (ref2, events) => { + if (isEventDispatcher(ref2)) { + events.forEach((eventName) => { + ref2.removeEventListener(eventName, eventHandlerProxy); + }); + } + }; + const addEventListeners = (ref2, events) => { + if (isEventDispatcher(ref2)) { + events.forEach((eventName) => { + ref2.addEventListener(eventName, eventHandlerProxy); + }); + } + }; + const ref = writable(); + const eventNames = writable([]); + watch([ref, eventNames], ([$ref, $eventNames]) => { + addEventListeners($ref, $eventNames); + return () => cleanupEventListeners($ref, $eventNames); + }); + const updateRef = (newRef) => { + ref.set(newRef); + }; + return { + updateRef + }; +}; +const usePlugins = (params) => { + const pluginContextName = "threlte-plugin-context"; + const plugins = getContext(pluginContextName); + if (!plugins) + return; + const pluginsReturns = Object.values(plugins).map((plugin) => plugin(params)).filter(Boolean); + const pluginsProps = pluginsReturns.flatMap((callback) => callback.pluginProps ?? []); + let refCleanupCallbacks = []; + onDestroy(() => { + refCleanupCallbacks.forEach((callback) => callback()); + }); + const updateRef = (ref) => { + refCleanupCallbacks.forEach((callback) => callback()); + refCleanupCallbacks = []; + pluginsReturns.forEach((callback) => { + const cleanupCallback = callback.onRefChange?.(ref); + if (cleanupCallback) { + refCleanupCallbacks.push(cleanupCallback); + } + }); + }; + const updateProps = (props) => { + pluginsReturns.forEach((callback) => { + callback.onPropsChange?.(props); + }); + }; + const updateRestProps = (restProps) => { + pluginsReturns.forEach((callback) => { + callback.onRestPropsChange?.(restProps); + }); + }; + return { + updateRef, + updateProps, + updateRestProps, + pluginsProps + }; +}; +const ignoredProps = /* @__PURE__ */ new Set(["$$scope", "$$slots", "type", "args", "attach", "instance"]); +const updateProjectionMatrixKeys = /* @__PURE__ */ new Set([ + "fov", + "aspect", + "near", + "far", + "left", + "right", + "top", + "bottom", + "zoom" +]); +const memoizeProp = (value) => { + if (typeof value === "string") + return true; + if (typeof value === "number") + return true; + if (typeof value === "boolean") + return true; + if (typeof value === "undefined") + return true; + if (value === null) + return true; + return false; +}; +const createSetter = (target, key, value) => { + if (!Array.isArray(value) && typeof value === "number" && typeof target[key]?.setScalar === "function" && // colors do have a setScalar function, but we don't want to use it, because + // the hex notation (i.e. 0xff0000) is very popular and matches the number + // type. So we exclude colors here. + !target[key]?.isColor) { + return (target2, key2, value2) => { + target2[key2].setScalar(value2); + }; + } else { + if (typeof target[key]?.set === "function") { + if (Array.isArray(value)) { + return (target2, key2, value2) => { + target2[key2].set(...value2); + }; + } else { + return (target2, key2, value2) => { + target2[key2].set(value2); + }; + } + } else { + return (target2, key2, value2) => { + target2[key2] = value2; + }; + } + } +}; +const useProps = () => { + const { invalidate } = useThrelte(); + const memoizedProps = /* @__PURE__ */ new Map(); + const memoizedSetters = /* @__PURE__ */ new Map(); + const setProp = (instance, propertyPath, value, options) => { + if (memoizeProp(value)) { + const memoizedProp = memoizedProps.get(propertyPath); + if (memoizedProp && memoizedProp.instance === instance && memoizedProp.value === value) { + return; + } + memoizedProps.set(propertyPath, { + instance, + value + }); + } + const { key, target } = resolvePropertyPath(instance, propertyPath); + if (value !== void 0 && value !== null) { + const memoizedSetter = memoizedSetters.get(propertyPath); + if (memoizedSetter) { + memoizedSetter(target, key, value); + } else { + const setter = createSetter(target, key, value); + memoizedSetters.set(propertyPath, setter); + setter(target, key, value); + } + } else { + createSetter(target, key, value)(target, key, value); + } + if (options.manualCamera) + return; + if (updateProjectionMatrixKeys.has(key) && (target.isPerspectiveCamera || target.isOrthographicCamera)) { + target.updateProjectionMatrix(); + } + }; + const updateProps = (instance, props, options) => { + for (const key in props) { + if (!ignoredProps.has(key) && !options.pluginsProps?.includes(key)) { + setProp(instance, key, props[key], options); + } + invalidate(); + } + }; + return { + updateProps + }; +}; +const T$1 = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $$restProps = compute_rest_props($$props, ["is", "args", "attach", "manual", "makeDefault", "dispose", "ref"]); + let $parent, $$unsubscribe_parent; + let { is } = $$props; + let { args = void 0 } = $$props; + let { attach = void 0 } = $$props; + let { manual = void 0 } = $$props; + let { makeDefault = void 0 } = $$props; + let { dispose = void 0 } = $$props; + const parent = getContext("threlte-hierarchical-parent-context"); + $$unsubscribe_parent = subscribe(parent, (value) => $parent = value); + const isClass = (type) => { + return typeof type === "function" && /^\s*class\s+/.test(type.toString()); + }; + const argsIsConstructorParameters = (args2) => { + return Array.isArray(args2); + }; + const createEvent = useCreateEvent(); + let ref = isClass(is) && argsIsConstructorParameters(args) ? new is(...args) : isClass( + is + ) ? new is() : is; + createEvent.updateRef(ref); + let initialized = false; + const maybeSetRef = () => { + if (!initialized) { + initialized = true; + return; + } + ref = isClass(is) && argsIsConstructorParameters(args) ? new is(...args) : isClass( + is + ) ? new is() : is; + createEvent.updateRef(ref); + }; + let { ref: publicRef = ref } = $$props; + const refStore = writable(ref); + setContext("threlte-hierarchical-parent-context", refStore); + const plugins = usePlugins({ ref, props: $$props }); + const pluginsProps = plugins?.pluginsProps ?? []; + const props = useProps(); + const camera = useCamera(); + const attachment = useAttach(); + const events = useEvents(); + const extendsObject3D = (object) => { + return !!object.isObject3D; + }; + const isDisposableObject = (object) => { + return object.dispose !== void 0; + }; + if ($$props.is === void 0 && $$bindings.is && is !== void 0) + $$bindings.is(is); + if ($$props.args === void 0 && $$bindings.args && args !== void 0) + $$bindings.args(args); + if ($$props.attach === void 0 && $$bindings.attach && attach !== void 0) + $$bindings.attach(attach); + if ($$props.manual === void 0 && $$bindings.manual && manual !== void 0) + $$bindings.manual(manual); + if ($$props.makeDefault === void 0 && $$bindings.makeDefault && makeDefault !== void 0) + $$bindings.makeDefault(makeDefault); + if ($$props.dispose === void 0 && $$bindings.dispose && dispose !== void 0) + $$bindings.dispose(dispose); + if ($$props.ref === void 0 && $$bindings.ref && publicRef !== void 0) + $$bindings.ref(publicRef); + { + maybeSetRef(); + } + publicRef = ref; + { + refStore.set(ref); + } + { + props.updateProps(ref, $$restProps, { manualCamera: manual, pluginsProps }); + } + { + camera.update(ref, manual); + } + { + camera.makeDefaultCamera(ref, makeDefault); + } + { + attachment.update(ref, $parent, attach); + } + { + events.updateRef(ref); + } + { + plugins?.updateRef(ref); + } + { + plugins?.updateProps($$props); + } + { + plugins?.updateRestProps($$restProps); + } + $$unsubscribe_parent(); + return `${isDisposableObject(ref) ? `${validate_component(DisposableObject, "DisposableObject").$$render($$result, { object: ref, dispose }, {}, {})}` : ``} ${extendsObject3D(ref) ? `${validate_component(SceneGraphObject, "SceneGraphObject").$$render($$result, { object: ref }, {}, { + default: () => { + return `${slots.default ? slots.default({ ref }) : ``}`; + } + })}` : `${slots.default ? slots.default({ ref }) : ``}`}`; +}); +const catalogue = {}; +const augmentConstructorArgs = (args, is) => { + const module = catalogue[is] || THREE[is]; + if (!module) { + throw new Error(`No Three.js module found for ${is}. Did you forget to extend the catalogue?`); + } + return { + ...args, + props: { + ...args.props, + is: module + } + }; +}; +const proxyTConstructor = (is) => { + return new Proxy(class { + }, { + construct(_, [args]) { + const castedArgs = args; + return new T$1(augmentConstructorArgs(castedArgs, is)); + } + }); +}; +const T = new Proxy(class { +}, { + construct(_, [args]) { + const castedArgs = args; + return new T$1(castedArgs); + }, + get(_, is) { + return proxyTConstructor(is); + } +}); +function useTask(keyOrFn, fnOrOptions, options) { + if (!browser) { + return { + task: void 0, + start: () => void 0, + stop: () => void 0, + started: readable(false) + }; + } + let key; + let fn; + let opts; + if (DAG.isKey(keyOrFn)) { + key = keyOrFn; + fn = fnOrOptions; + opts = options; + } else { + key = Symbol("useTask"); + fn = keyOrFn; + opts = fnOrOptions; + } + const ctx = useThrelte(); + let stage = ctx.mainStage; + if (opts) { + if (opts.stage) { + if (DAG.isValue(opts.stage)) { + stage = opts.stage; + } else { + const maybeStage = ctx.scheduler.getStage(opts.stage); + if (!maybeStage) { + throw new Error(`No stage found with key ${opts.stage.toString()}`); + } + stage = maybeStage; + } + } else if (opts.after) { + if (Array.isArray(opts.after)) { + for (let index = 0; index < opts.after.length; index++) { + const element = opts.after[index]; + if (DAG.isValue(element)) { + stage = element.stage; + break; + } + } + } else if (DAG.isValue(opts.after)) { + stage = opts.after.stage; + } + } else if (opts.before) { + if (Array.isArray(opts.before)) { + for (let index = 0; index < opts.before.length; index++) { + const element = opts.before[index]; + if (DAG.isValue(element)) { + stage = element.stage; + break; + } + } + } else if (DAG.isValue(opts.before)) { + stage = opts.before.stage; + } + } + } + const { autoInvalidations } = getContext("threlte-internal-context"); + const started = writable(false); + const task = stage.createTask(key, fn, opts); + const start = () => { + started.set(true); + if (opts?.autoInvalidate ?? true) { + autoInvalidations.add(fn); + } + task.start(); + }; + const stop = () => { + started.set(true); + if (opts?.autoInvalidate ?? true) { + autoInvalidations.delete(fn); + } + task.stop(); + }; + if (opts?.autoStart ?? true) { + start(); + } else { + stop(); + } + onDestroy(() => { + if (!stage) + return; + stage.removeTask(key); + }); + return { + task, + start, + stop, + started: { + subscribe: started.subscribe + } + }; +} +function useThrelteUserContext(namespace, value, options) { + const userCtxStore = getContext("threlte-user-context"); + if (!userCtxStore) { + throw new Error("No user context store found, did you invoke this function outside of your main component?"); + } + if (!namespace) { + return { + subscribe: userCtxStore.subscribe + }; + } + if (namespace && !value) { + return derived(userCtxStore, (ctx) => ctx[namespace]); + } + userCtxStore.update((ctx) => { + if (namespace in ctx) { + if (!options || options.existing === "skip") + return ctx; + if (options.existing === "merge") { + Object.assign(ctx[namespace], value); + return ctx; + } + } + ctx[namespace] = value; + return ctx; + }); + return userCtxStore.current[namespace]; +} +const forwardEventHandlers = () => { + const component = get_current_component(); + const dispatchingComponent = writable(void 0); + watch(dispatchingComponent, (dispatchingComponent2) => { + if (!dispatchingComponent2) + return; + Object.entries(component.$$.callbacks).forEach((callback) => { + const [key, value] = callback; + if (key in dispatchingComponent2.$$.callbacks && Array.isArray(dispatchingComponent2.$$.callbacks[key])) { + dispatchingComponent2.$$.callbacks[key].push(...value); + } else { + dispatchingComponent2.$$.callbacks[key] = value; + } + }); + }); + return dispatchingComponent; +}; +const useHasEventListeners = () => { + const component = get_current_component(); + const hasEventListeners = (type) => { + const callbacks = component.$$.callbacks; + return type in callbacks && callbacks[type].length > 0; + }; + return { + hasEventListeners + }; +}; +const v1 = new Vector3(); +const v2 = new Vector3(); +const v3 = new Vector3(); +const isOrthographicCamera = (o) => { + return o.isOrthographicCamera; +}; +const isPerspectiveCamera = (o) => { + return o.isPerspectiveCamera; +}; +const isOrthographicCameraOrPerspectiveCamera = (o) => { + return isOrthographicCamera(o) || isPerspectiveCamera(o); +}; +const defaultCalculatePosition = (obj, camera, size) => { + const objectPos = v1.setFromMatrixPosition(obj.matrixWorld); + objectPos.project(camera); + const widthHalf = size.width / 2; + const heightHalf = size.height / 2; + return [objectPos.x * widthHalf + widthHalf, -(objectPos.y * heightHalf) + heightHalf]; +}; +const isObjectBehindCamera = (el, camera) => { + const objectPos = v1.setFromMatrixPosition(el.matrixWorld); + const cameraPos = v2.setFromMatrixPosition(camera.matrixWorld); + const deltaCamObj = objectPos.sub(cameraPos); + const camDir = camera.getWorldDirection(v3); + return deltaCamObj.angleTo(camDir) > Math.PI / 2; +}; +const isObjectVisible = (el, camera, raycaster, occlude) => { + const elPos = v1.setFromMatrixPosition(el.matrixWorld); + const screenPos = elPos.clone(); + screenPos.project(camera); + raycaster.setFromCamera(screenPos, camera); + const intersects2 = raycaster.intersectObjects(occlude, true); + if (intersects2.length) { + const intersectionDistance = intersects2[0].distance; + const pointDistance = elPos.distanceTo(raycaster.ray.origin); + return pointDistance < intersectionDistance; + } + return true; +}; +const objectScale = (el, camera) => { + if (isOrthographicCamera(camera)) { + return camera.zoom; + } else if (isPerspectiveCamera(camera)) { + const objectPos = v1.setFromMatrixPosition(el.matrixWorld); + const cameraPos = v2.setFromMatrixPosition(camera.matrixWorld); + const vFOV = camera.fov * Math.PI / 180; + const dist = objectPos.distanceTo(cameraPos); + const scaleFOV = 2 * Math.tan(vFOV / 2) * dist; + return 1 / scaleFOV; + } else { + return 1; + } +}; +const objectZIndex = (el, camera, zIndexRange) => { + if (isOrthographicCameraOrPerspectiveCamera(camera)) { + const objectPos = v1.setFromMatrixPosition(el.matrixWorld); + const cameraPos = v2.setFromMatrixPosition(camera.matrixWorld); + const dist = objectPos.distanceTo(cameraPos); + const A = (zIndexRange[1] - zIndexRange[0]) / (camera.far - camera.near); + const B = zIndexRange[1] - A * camera.far; + return Math.round(A * dist + B); + } + return void 0; +}; +const styleDeclarationKeyToCssString = (s) => { + return s.split(/(?=[A-Z])/).join("-").toLowerCase(); +}; +const compileStyles = (styles) => { + return Object.entries(styles).filter(([_, value]) => !!value).map(([key, value]) => `${styleDeclarationKeyToCssString(key)}: ${value}`).join("; "); +}; +const updateStyles = (store, styles) => { + store.update((values) => { + return { + ...values, + ...styles + }; + }); +}; +const HTML = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $$restProps = compute_rest_props($$props, [ + "transform", + "calculatePosition", + "eps", + "occlude", + "zIndexRange", + "sprite", + "pointerEvents", + "center", + "fullscreen", + "distanceFactor", + "as", + "portal", + "ref", + "visible" + ]); + let $size, $$unsubscribe_size; + let $camera, $$unsubscribe_camera; + let $heightHalf, $$unsubscribe_heightHalf; + let $widthHalf, $$unsubscribe_widthHalf; + let $component, $$unsubscribe_component; + let $transformElStyles, $$unsubscribe_transformElStyles; + let $transformOuterRefStyles, $$unsubscribe_transformOuterRefStyles; + let $transformInnerRefStyles, $$unsubscribe_transformInnerRefStyles; + let $noTransformElStyles, $$unsubscribe_noTransformElStyles; + let $noTransformDivStyles, $$unsubscribe_noTransformDivStyles; + let { transform = false } = $$props; + let { calculatePosition = defaultCalculatePosition } = $$props; + let { eps = 1e-3 } = $$props; + let { occlude = false } = $$props; + let { zIndexRange = [16777271, 0] } = $$props; + let { sprite = false } = $$props; + let { pointerEvents = "auto" } = $$props; + let { center = false } = $$props; + let { fullscreen = false } = $$props; + let { distanceFactor = void 0 } = $$props; + let { as = "div" } = $$props; + let { portal = void 0 } = $$props; + const dispatch = createRawEventDispatcher(); + let { ref = new Group() } = $$props; + const { renderer, camera, scene, size } = useThrelte(); + $$unsubscribe_camera = subscribe(camera, (value) => $camera = value); + $$unsubscribe_size = subscribe(size, (value) => $size = value); + const isViableCamera = (c) => { + return c.isPerspectiveCamera || c.isOrthographicCamera; + }; + const getCamera = () => { + if (!isViableCamera($camera)) { + throw new Error("Only PerspectiveCamera or OrthographicCamera supported for component "); + } + return $camera; + }; + const raycaster = new Raycaster(); + let oldPosition = [0, 0]; + let oldZoom = 0; + let { visible = true } = $$props; + let el = document.createElement(as); + let transformOuterRef; + let transformInnerRef; + const { hasEventListeners } = useHasEventListeners(); + let raytraceTarget = typeof occlude === "boolean" && occlude === true ? [scene] : Array.isArray(occlude) ? occlude : void 0; + const widthHalf = derived(size, (size2) => size2.width / 2); + $$unsubscribe_widthHalf = subscribe(widthHalf, (value) => $widthHalf = value); + const heightHalf = derived(size, (size2) => size2.height / 2); + $$unsubscribe_heightHalf = subscribe(heightHalf, (value) => $heightHalf = value); + let styles = { + common: { el: writable({}) }, + transform: { + el: writable({ + position: "absolute", + top: "0", + left: "0", + pointerEvents: "none", + overflow: "hidden", + display: "block", + width: `${$size.width}px`, + height: `${$size.height}px` + }), + outerRef: writable({ + position: "absolute", + top: "0", + left: "0", + width: `${$size.width}px`, + height: `${$size.height}px`, + transformStyle: "preserve-3d", + pointerEvents: "none" + }), + innerRef: writable({ position: "absolute", pointerEvents }) + }, + noTransform: { + el: writable({}), + div: writable({ + position: "absolute", + transform: center ? "translate3d(-50%,-50%,0)" : "none", + top: fullscreen ? `${-$heightHalf}px` : void 0, + left: fullscreen ? `${-$widthHalf}px` : void 0, + width: fullscreen ? `${$size.width}px` : void 0, + height: fullscreen ? `${$size.height}px` : void 0 + }) + } + }; + const transformElStyles = derived([styles.transform.el, styles.common.el], ([vA, vB]) => { + return { ...vA, ...vB }; + }); + $$unsubscribe_transformElStyles = subscribe(transformElStyles, (value) => $transformElStyles = value); + const transformOuterRefStyles = derived(styles.transform.outerRef, (v) => v); + $$unsubscribe_transformOuterRefStyles = subscribe(transformOuterRefStyles, (value) => $transformOuterRefStyles = value); + const transformInnerRefStyles = derived(styles.transform.innerRef, (v) => v); + $$unsubscribe_transformInnerRefStyles = subscribe(transformInnerRefStyles, (value) => $transformInnerRefStyles = value); + const noTransformElStyles = derived(styles.noTransform.el, (v) => v); + $$unsubscribe_noTransformElStyles = subscribe(noTransformElStyles, (value) => $noTransformElStyles = value); + const noTransformDivStyles = derived(styles.noTransform.div, (v) => v); + $$unsubscribe_noTransformDivStyles = subscribe(noTransformDivStyles, (value) => $noTransformDivStyles = value); + const getAncestorVisibility = () => { + let ancestorsAreVisible = true; + let parent = ref.parent; + traverse: + while (parent) { + if ("visible" in parent && !parent.visible) { + ancestorsAreVisible = false; + break traverse; + } + parent = parent.parent; + } + return ancestorsAreVisible; + }; + let showEl = getAncestorVisibility(); + useTask(async () => { + showEl = getAncestorVisibility(); + const camera2 = getCamera(); + camera2.updateMatrixWorld(); + ref.updateWorldMatrix(true, false); + const vec = transform ? oldPosition : calculatePosition(ref, camera2, $size); + if (transform || Math.abs(oldZoom - camera2.zoom) > eps || Math.abs(oldPosition[0] - vec[0]) > eps || Math.abs(oldPosition[1] - vec[1]) > eps) { + const isBehindCamera = isObjectBehindCamera(ref, camera2); + const previouslyVisible = visible; + if (raytraceTarget) { + const isvisible = isObjectVisible(ref, camera2, raycaster, raytraceTarget); + visible = isvisible && !isBehindCamera; + } else { + visible = !isBehindCamera; + } + if (previouslyVisible !== visible) { + if (hasEventListeners("visibilitychange")) + dispatch("visibilitychange", visible); + else { + updateStyles(styles.common.el, { display: visible ? "block" : "none" }); + } + } + updateStyles(styles.common.el, { + zIndex: `${objectZIndex(ref, camera2, zIndexRange)}` + }); + if (transform) { + const fov2 = camera2.projectionMatrix.elements[5] * $heightHalf; + const { isOrthographicCamera: isOrthographicCamera2, top, left, bottom, right } = camera2; + let matrix = ref.matrixWorld; + if (sprite) { + matrix = camera2.matrixWorldInverse.clone().transpose().copyPosition(matrix).scale(ref.scale); + matrix.elements[3] = matrix.elements[7] = matrix.elements[11] = 0; + matrix.elements[15] = 1; + } + updateStyles(styles.transform.el, { + perspective: isOrthographicCamera2 ? "" : `${fov2}px` + }); + } else { + const scale = distanceFactor === void 0 ? 1 : objectScale(ref, camera2) * distanceFactor; + updateStyles(styles.noTransform.el, { + transform: `translate3d(${vec[0]}px, ${vec[1]}px, 0) scale(${scale})` + }); + } + oldPosition = vec; + oldZoom = camera2.zoom; + } + }); + const component = forwardEventHandlers(); + $$unsubscribe_component = subscribe(component, (value) => $component = value); + if ($$props.transform === void 0 && $$bindings.transform && transform !== void 0) + $$bindings.transform(transform); + if ($$props.calculatePosition === void 0 && $$bindings.calculatePosition && calculatePosition !== void 0) + $$bindings.calculatePosition(calculatePosition); + if ($$props.eps === void 0 && $$bindings.eps && eps !== void 0) + $$bindings.eps(eps); + if ($$props.occlude === void 0 && $$bindings.occlude && occlude !== void 0) + $$bindings.occlude(occlude); + if ($$props.zIndexRange === void 0 && $$bindings.zIndexRange && zIndexRange !== void 0) + $$bindings.zIndexRange(zIndexRange); + if ($$props.sprite === void 0 && $$bindings.sprite && sprite !== void 0) + $$bindings.sprite(sprite); + if ($$props.pointerEvents === void 0 && $$bindings.pointerEvents && pointerEvents !== void 0) + $$bindings.pointerEvents(pointerEvents); + if ($$props.center === void 0 && $$bindings.center && center !== void 0) + $$bindings.center(center); + if ($$props.fullscreen === void 0 && $$bindings.fullscreen && fullscreen !== void 0) + $$bindings.fullscreen(fullscreen); + if ($$props.distanceFactor === void 0 && $$bindings.distanceFactor && distanceFactor !== void 0) + $$bindings.distanceFactor(distanceFactor); + if ($$props.as === void 0 && $$bindings.as && as !== void 0) + $$bindings.as(as); + if ($$props.portal === void 0 && $$bindings.portal && portal !== void 0) + $$bindings.portal(portal); + if ($$props.ref === void 0 && $$bindings.ref && ref !== void 0) + $$bindings.ref(ref); + if ($$props.visible === void 0 && $$bindings.visible && visible !== void 0) + $$bindings.visible(visible); + let $$settled; + let $$rendered; + let previous_head = $$result.head; + do { + $$settled = true; + $$result.head = previous_head; + raytraceTarget = typeof occlude === "boolean" && occlude === true ? [scene] : Array.isArray(occlude) ? occlude : void 0; + { + updateStyles(styles.transform.el, { + width: `${$size.width}px`, + height: `${$size.height}px` + }); + } + { + updateStyles(styles.transform.outerRef, { + width: `${$size.width}px`, + height: `${$size.height}px` + }); + } + { + updateStyles(styles.transform.innerRef, { pointerEvents }); + } + { + updateStyles(styles.noTransform.div, { pointerEvents }); + } + { + updateStyles(styles.noTransform.div, { + transform: center ? "translate3d(-50%, -50%, 0)" : "none" + }); + } + { + updateStyles(styles.noTransform.div, { + top: fullscreen ? `${-$heightHalf}px` : void 0, + left: fullscreen ? `${-$widthHalf}px` : void 0, + width: fullscreen ? `${$size.width}px` : void 0, + height: fullscreen ? `${$size.height}px` : void 0 + }); + } + $$rendered = `${validate_component(T, "T").$$render( + $$result, + Object.assign({}, { is: ref }, $$restProps, { this: $component }), + { + this: ($$value) => { + $component = $$value; + $$settled = false; + } + }, + { + default: ({ ref: ref2 }) => { + return `${slots.threlte ? slots.threlte({ ref: ref2 }) : ``}`; + } + } + )} ${transform ? `${((tag) => { + return tag ? `<${as}${add_attribute("style", compileStyles($transformElStyles), 0)}${add_attribute("this", el, 0)}>${is_void(tag) ? "" : `${showEl ? `${slots.default ? slots.default({}) : ``}` : ``}`}${is_void(tag) ? "" : ``}` : ""; + })(as)}` : `${((tag) => { + return tag ? `<${as}${add_attribute("style", compileStyles($noTransformElStyles), 0)}${add_attribute("this", el, 0)}>${is_void(tag) ? "" : `${showEl ? `${slots.default ? slots.default({}) : ``}` : ``}`}${is_void(tag) ? "" : ``}` : ""; + })(as)}`}`; + } while (!$$settled); + $$unsubscribe_size(); + $$unsubscribe_camera(); + $$unsubscribe_heightHalf(); + $$unsubscribe_widthHalf(); + $$unsubscribe_component(); + $$unsubscribe_transformElStyles(); + $$unsubscribe_transformOuterRefStyles(); + $$unsubscribe_transformInnerRefStyles(); + $$unsubscribe_noTransformElStyles(); + $$unsubscribe_noTransformDivStyles(); + return $$rendered; +}); +const revision = Number.parseInt(REVISION.replace("dev", "")); +const useControlsContext = () => { + return useThrelteUserContext("threlte-controls", { + orbitControls: writable(void 0), + trackballControls: writable(void 0) + }); +}; +const _changeEvent = { type: "change" }; +const _startEvent = { type: "start" }; +const _endEvent = { type: "end" }; +const _ray = new Ray(); +const _plane = new Plane(); +const TILT_LIMIT = Math.cos(70 * MathUtils.DEG2RAD); +let OrbitControls$1 = class OrbitControls extends EventDispatcher { + constructor(object, domElement) { + super(); + this.object = object; + this.domElement = domElement; + this.domElement.style.touchAction = "none"; + this.enabled = true; + this.target = new Vector3(); + this.cursor = new Vector3(); + this.minDistance = 0; + this.maxDistance = Infinity; + this.minZoom = 0; + this.maxZoom = Infinity; + this.minTargetRadius = 0; + this.maxTargetRadius = Infinity; + this.minPolarAngle = 0; + this.maxPolarAngle = Math.PI; + this.minAzimuthAngle = -Infinity; + this.maxAzimuthAngle = Infinity; + this.enableDamping = false; + this.dampingFactor = 0.05; + this.enableZoom = true; + this.zoomSpeed = 1; + this.enableRotate = true; + this.rotateSpeed = 1; + this.enablePan = true; + this.panSpeed = 1; + this.screenSpacePanning = true; + this.keyPanSpeed = 7; + this.zoomToCursor = false; + this.autoRotate = false; + this.autoRotateSpeed = 2; + this.keys = { LEFT: "ArrowLeft", UP: "ArrowUp", RIGHT: "ArrowRight", BOTTOM: "ArrowDown" }; + this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN }; + this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN }; + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.zoom0 = this.object.zoom; + this._domElementKeyEvents = null; + this.getPolarAngle = function() { + return spherical.phi; + }; + this.getAzimuthalAngle = function() { + return spherical.theta; + }; + this.getDistance = function() { + return this.object.position.distanceTo(this.target); + }; + this.listenToKeyEvents = function(domElement2) { + domElement2.addEventListener("keydown", onKeyDown); + this._domElementKeyEvents = domElement2; + }; + this.stopListenToKeyEvents = function() { + this._domElementKeyEvents.removeEventListener("keydown", onKeyDown); + this._domElementKeyEvents = null; + }; + this.saveState = function() { + scope.target0.copy(scope.target); + scope.position0.copy(scope.object.position); + scope.zoom0 = scope.object.zoom; + }; + this.reset = function() { + scope.target.copy(scope.target0); + scope.object.position.copy(scope.position0); + scope.object.zoom = scope.zoom0; + scope.object.updateProjectionMatrix(); + scope.dispatchEvent(_changeEvent); + scope.update(); + state = STATE.NONE; + }; + this.update = function() { + const offset = new Vector3(); + const quat = new Quaternion().setFromUnitVectors(object.up, new Vector3(0, 1, 0)); + const quatInverse = quat.clone().invert(); + const lastPosition = new Vector3(); + const lastQuaternion = new Quaternion(); + const lastTargetPosition = new Vector3(); + const twoPI = 2 * Math.PI; + return function update2(deltaTime = null) { + const position = scope.object.position; + offset.copy(position).sub(scope.target); + offset.applyQuaternion(quat); + spherical.setFromVector3(offset); + if (scope.autoRotate && state === STATE.NONE) { + rotateLeft(getAutoRotationAngle(deltaTime)); + } + if (scope.enableDamping) { + spherical.theta += sphericalDelta.theta * scope.dampingFactor; + spherical.phi += sphericalDelta.phi * scope.dampingFactor; + } else { + spherical.theta += sphericalDelta.theta; + spherical.phi += sphericalDelta.phi; + } + let min = scope.minAzimuthAngle; + let max = scope.maxAzimuthAngle; + if (isFinite(min) && isFinite(max)) { + if (min < -Math.PI) + min += twoPI; + else if (min > Math.PI) + min -= twoPI; + if (max < -Math.PI) + max += twoPI; + else if (max > Math.PI) + max -= twoPI; + if (min <= max) { + spherical.theta = Math.max(min, Math.min(max, spherical.theta)); + } else { + spherical.theta = spherical.theta > (min + max) / 2 ? Math.max(min, spherical.theta) : Math.min(max, spherical.theta); + } + } + spherical.phi = Math.max(scope.minPolarAngle, Math.min(scope.maxPolarAngle, spherical.phi)); + spherical.makeSafe(); + if (scope.enableDamping === true) { + scope.target.addScaledVector(panOffset, scope.dampingFactor); + } else { + scope.target.add(panOffset); + } + scope.target.sub(scope.cursor); + scope.target.clampLength(scope.minTargetRadius, scope.maxTargetRadius); + scope.target.add(scope.cursor); + if (scope.zoomToCursor && performCursorZoom || scope.object.isOrthographicCamera) { + spherical.radius = clampDistance(spherical.radius); + } else { + spherical.radius = clampDistance(spherical.radius * scale); + } + offset.setFromSpherical(spherical); + offset.applyQuaternion(quatInverse); + position.copy(scope.target).add(offset); + scope.object.lookAt(scope.target); + if (scope.enableDamping === true) { + sphericalDelta.theta *= 1 - scope.dampingFactor; + sphericalDelta.phi *= 1 - scope.dampingFactor; + panOffset.multiplyScalar(1 - scope.dampingFactor); + } else { + sphericalDelta.set(0, 0, 0); + panOffset.set(0, 0, 0); + } + let zoomChanged = false; + if (scope.zoomToCursor && performCursorZoom) { + let newRadius = null; + if (scope.object.isPerspectiveCamera) { + const prevRadius = offset.length(); + newRadius = clampDistance(prevRadius * scale); + const radiusDelta = prevRadius - newRadius; + scope.object.position.addScaledVector(dollyDirection, radiusDelta); + scope.object.updateMatrixWorld(); + } else if (scope.object.isOrthographicCamera) { + const mouseBefore = new Vector3(mouse.x, mouse.y, 0); + mouseBefore.unproject(scope.object); + scope.object.zoom = Math.max(scope.minZoom, Math.min(scope.maxZoom, scope.object.zoom / scale)); + scope.object.updateProjectionMatrix(); + zoomChanged = true; + const mouseAfter = new Vector3(mouse.x, mouse.y, 0); + mouseAfter.unproject(scope.object); + scope.object.position.sub(mouseAfter).add(mouseBefore); + scope.object.updateMatrixWorld(); + newRadius = offset.length(); + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."); + scope.zoomToCursor = false; + } + if (newRadius !== null) { + if (this.screenSpacePanning) { + scope.target.set(0, 0, -1).transformDirection(scope.object.matrix).multiplyScalar(newRadius).add(scope.object.position); + } else { + _ray.origin.copy(scope.object.position); + _ray.direction.set(0, 0, -1).transformDirection(scope.object.matrix); + if (Math.abs(scope.object.up.dot(_ray.direction)) < TILT_LIMIT) { + object.lookAt(scope.target); + } else { + _plane.setFromNormalAndCoplanarPoint(scope.object.up, scope.target); + _ray.intersectPlane(_plane, scope.target); + } + } + } + } else if (scope.object.isOrthographicCamera) { + scope.object.zoom = Math.max(scope.minZoom, Math.min(scope.maxZoom, scope.object.zoom / scale)); + scope.object.updateProjectionMatrix(); + zoomChanged = true; + } + scale = 1; + performCursorZoom = false; + if (zoomChanged || lastPosition.distanceToSquared(scope.object.position) > EPS || 8 * (1 - lastQuaternion.dot(scope.object.quaternion)) > EPS || lastTargetPosition.distanceToSquared(scope.target) > 0) { + scope.dispatchEvent(_changeEvent); + lastPosition.copy(scope.object.position); + lastQuaternion.copy(scope.object.quaternion); + lastTargetPosition.copy(scope.target); + return true; + } + return false; + }; + }(); + this.dispose = function() { + scope.domElement.removeEventListener("contextmenu", onContextMenu); + scope.domElement.removeEventListener("pointerdown", onPointerDown); + scope.domElement.removeEventListener("pointercancel", onPointerUp); + scope.domElement.removeEventListener("wheel", onMouseWheel); + scope.domElement.removeEventListener("pointermove", onPointerMove); + scope.domElement.removeEventListener("pointerup", onPointerUp); + if (scope._domElementKeyEvents !== null) { + scope._domElementKeyEvents.removeEventListener("keydown", onKeyDown); + scope._domElementKeyEvents = null; + } + }; + const scope = this; + const STATE = { + NONE: -1, + ROTATE: 0, + DOLLY: 1, + PAN: 2, + TOUCH_ROTATE: 3, + TOUCH_PAN: 4, + TOUCH_DOLLY_PAN: 5, + TOUCH_DOLLY_ROTATE: 6 + }; + let state = STATE.NONE; + const EPS = 1e-6; + const spherical = new Spherical(); + const sphericalDelta = new Spherical(); + let scale = 1; + const panOffset = new Vector3(); + const rotateStart = new Vector2(); + const rotateEnd = new Vector2(); + const rotateDelta = new Vector2(); + const panStart = new Vector2(); + const panEnd = new Vector2(); + const panDelta = new Vector2(); + const dollyStart = new Vector2(); + const dollyEnd = new Vector2(); + const dollyDelta = new Vector2(); + const dollyDirection = new Vector3(); + const mouse = new Vector2(); + let performCursorZoom = false; + const pointers = []; + const pointerPositions = {}; + function getAutoRotationAngle(deltaTime) { + if (deltaTime !== null) { + return 2 * Math.PI / 60 * scope.autoRotateSpeed * deltaTime; + } else { + return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; + } + } + function getZoomScale() { + return Math.pow(0.95, scope.zoomSpeed); + } + function rotateLeft(angle) { + sphericalDelta.theta -= angle; + } + function rotateUp(angle) { + sphericalDelta.phi -= angle; + } + const panLeft = function() { + const v = new Vector3(); + return function panLeft2(distance, objectMatrix) { + v.setFromMatrixColumn(objectMatrix, 0); + v.multiplyScalar(-distance); + panOffset.add(v); + }; + }(); + const panUp = function() { + const v = new Vector3(); + return function panUp2(distance, objectMatrix) { + if (scope.screenSpacePanning === true) { + v.setFromMatrixColumn(objectMatrix, 1); + } else { + v.setFromMatrixColumn(objectMatrix, 0); + v.crossVectors(scope.object.up, v); + } + v.multiplyScalar(distance); + panOffset.add(v); + }; + }(); + const pan = function() { + const offset = new Vector3(); + return function pan2(deltaX, deltaY) { + const element = scope.domElement; + if (scope.object.isPerspectiveCamera) { + const position = scope.object.position; + offset.copy(position).sub(scope.target); + let targetDistance = offset.length(); + targetDistance *= Math.tan(scope.object.fov / 2 * Math.PI / 180); + panLeft(2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix); + panUp(2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix); + } else if (scope.object.isOrthographicCamera) { + panLeft(deltaX * (scope.object.right - scope.object.left) / scope.object.zoom / element.clientWidth, scope.object.matrix); + panUp(deltaY * (scope.object.top - scope.object.bottom) / scope.object.zoom / element.clientHeight, scope.object.matrix); + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."); + scope.enablePan = false; + } + }; + }(); + function dollyOut(dollyScale) { + if (scope.object.isPerspectiveCamera || scope.object.isOrthographicCamera) { + scale /= dollyScale; + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."); + scope.enableZoom = false; + } + } + function dollyIn(dollyScale) { + if (scope.object.isPerspectiveCamera || scope.object.isOrthographicCamera) { + scale *= dollyScale; + } else { + console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."); + scope.enableZoom = false; + } + } + function updateMouseParameters(event) { + if (!scope.zoomToCursor) { + return; + } + performCursorZoom = true; + const rect = scope.domElement.getBoundingClientRect(); + const x = event.clientX - rect.left; + const y = event.clientY - rect.top; + const w = rect.width; + const h = rect.height; + mouse.x = x / w * 2 - 1; + mouse.y = -(y / h) * 2 + 1; + dollyDirection.set(mouse.x, mouse.y, 1).unproject(scope.object).sub(scope.object.position).normalize(); + } + function clampDistance(dist) { + return Math.max(scope.minDistance, Math.min(scope.maxDistance, dist)); + } + function handleMouseDownRotate(event) { + rotateStart.set(event.clientX, event.clientY); + } + function handleMouseDownDolly(event) { + updateMouseParameters(event); + dollyStart.set(event.clientX, event.clientY); + } + function handleMouseDownPan(event) { + panStart.set(event.clientX, event.clientY); + } + function handleMouseMoveRotate(event) { + rotateEnd.set(event.clientX, event.clientY); + rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed); + const element = scope.domElement; + rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight); + rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight); + rotateStart.copy(rotateEnd); + scope.update(); + } + function handleMouseMoveDolly(event) { + dollyEnd.set(event.clientX, event.clientY); + dollyDelta.subVectors(dollyEnd, dollyStart); + if (dollyDelta.y > 0) { + dollyOut(getZoomScale()); + } else if (dollyDelta.y < 0) { + dollyIn(getZoomScale()); + } + dollyStart.copy(dollyEnd); + scope.update(); + } + function handleMouseMovePan(event) { + panEnd.set(event.clientX, event.clientY); + panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed); + pan(panDelta.x, panDelta.y); + panStart.copy(panEnd); + scope.update(); + } + function handleMouseWheel(event) { + updateMouseParameters(event); + if (event.deltaY < 0) { + dollyIn(getZoomScale()); + } else if (event.deltaY > 0) { + dollyOut(getZoomScale()); + } + scope.update(); + } + function handleKeyDown(event) { + let needsUpdate = false; + switch (event.code) { + case scope.keys.UP: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + rotateUp(2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight); + } else { + pan(0, scope.keyPanSpeed); + } + needsUpdate = true; + break; + case scope.keys.BOTTOM: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + rotateUp(-2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight); + } else { + pan(0, -scope.keyPanSpeed); + } + needsUpdate = true; + break; + case scope.keys.LEFT: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + rotateLeft(2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight); + } else { + pan(scope.keyPanSpeed, 0); + } + needsUpdate = true; + break; + case scope.keys.RIGHT: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + rotateLeft(-2 * Math.PI * scope.rotateSpeed / scope.domElement.clientHeight); + } else { + pan(-scope.keyPanSpeed, 0); + } + needsUpdate = true; + break; + } + if (needsUpdate) { + event.preventDefault(); + scope.update(); + } + } + function handleTouchStartRotate() { + if (pointers.length === 1) { + rotateStart.set(pointers[0].pageX, pointers[0].pageY); + } else { + const x = 0.5 * (pointers[0].pageX + pointers[1].pageX); + const y = 0.5 * (pointers[0].pageY + pointers[1].pageY); + rotateStart.set(x, y); + } + } + function handleTouchStartPan() { + if (pointers.length === 1) { + panStart.set(pointers[0].pageX, pointers[0].pageY); + } else { + const x = 0.5 * (pointers[0].pageX + pointers[1].pageX); + const y = 0.5 * (pointers[0].pageY + pointers[1].pageY); + panStart.set(x, y); + } + } + function handleTouchStartDolly() { + const dx = pointers[0].pageX - pointers[1].pageX; + const dy = pointers[0].pageY - pointers[1].pageY; + const distance = Math.sqrt(dx * dx + dy * dy); + dollyStart.set(0, distance); + } + function handleTouchStartDollyPan() { + if (scope.enableZoom) + handleTouchStartDolly(); + if (scope.enablePan) + handleTouchStartPan(); + } + function handleTouchStartDollyRotate() { + if (scope.enableZoom) + handleTouchStartDolly(); + if (scope.enableRotate) + handleTouchStartRotate(); + } + function handleTouchMoveRotate(event) { + if (pointers.length == 1) { + rotateEnd.set(event.pageX, event.pageY); + } else { + const position = getSecondPointerPosition(event); + const x = 0.5 * (event.pageX + position.x); + const y = 0.5 * (event.pageY + position.y); + rotateEnd.set(x, y); + } + rotateDelta.subVectors(rotateEnd, rotateStart).multiplyScalar(scope.rotateSpeed); + const element = scope.domElement; + rotateLeft(2 * Math.PI * rotateDelta.x / element.clientHeight); + rotateUp(2 * Math.PI * rotateDelta.y / element.clientHeight); + rotateStart.copy(rotateEnd); + } + function handleTouchMovePan(event) { + if (pointers.length === 1) { + panEnd.set(event.pageX, event.pageY); + } else { + const position = getSecondPointerPosition(event); + const x = 0.5 * (event.pageX + position.x); + const y = 0.5 * (event.pageY + position.y); + panEnd.set(x, y); + } + panDelta.subVectors(panEnd, panStart).multiplyScalar(scope.panSpeed); + pan(panDelta.x, panDelta.y); + panStart.copy(panEnd); + } + function handleTouchMoveDolly(event) { + const position = getSecondPointerPosition(event); + const dx = event.pageX - position.x; + const dy = event.pageY - position.y; + const distance = Math.sqrt(dx * dx + dy * dy); + dollyEnd.set(0, distance); + dollyDelta.set(0, Math.pow(dollyEnd.y / dollyStart.y, scope.zoomSpeed)); + dollyOut(dollyDelta.y); + dollyStart.copy(dollyEnd); + } + function handleTouchMoveDollyPan(event) { + if (scope.enableZoom) + handleTouchMoveDolly(event); + if (scope.enablePan) + handleTouchMovePan(event); + } + function handleTouchMoveDollyRotate(event) { + if (scope.enableZoom) + handleTouchMoveDolly(event); + if (scope.enableRotate) + handleTouchMoveRotate(event); + } + function onPointerDown(event) { + if (scope.enabled === false) + return; + if (pointers.length === 0) { + scope.domElement.setPointerCapture(event.pointerId); + scope.domElement.addEventListener("pointermove", onPointerMove); + scope.domElement.addEventListener("pointerup", onPointerUp); + } + addPointer(event); + if (event.pointerType === "touch") { + onTouchStart(event); + } else { + onMouseDown(event); + } + } + function onPointerMove(event) { + if (scope.enabled === false) + return; + if (event.pointerType === "touch") { + onTouchMove(event); + } else { + onMouseMove(event); + } + } + function onPointerUp(event) { + removePointer(event); + if (pointers.length === 0) { + scope.domElement.releasePointerCapture(event.pointerId); + scope.domElement.removeEventListener("pointermove", onPointerMove); + scope.domElement.removeEventListener("pointerup", onPointerUp); + } + scope.dispatchEvent(_endEvent); + state = STATE.NONE; + } + function onMouseDown(event) { + let mouseAction; + switch (event.button) { + case 0: + mouseAction = scope.mouseButtons.LEFT; + break; + case 1: + mouseAction = scope.mouseButtons.MIDDLE; + break; + case 2: + mouseAction = scope.mouseButtons.RIGHT; + break; + default: + mouseAction = -1; + } + switch (mouseAction) { + case MOUSE.DOLLY: + if (scope.enableZoom === false) + return; + handleMouseDownDolly(event); + state = STATE.DOLLY; + break; + case MOUSE.ROTATE: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (scope.enablePan === false) + return; + handleMouseDownPan(event); + state = STATE.PAN; + } else { + if (scope.enableRotate === false) + return; + handleMouseDownRotate(event); + state = STATE.ROTATE; + } + break; + case MOUSE.PAN: + if (event.ctrlKey || event.metaKey || event.shiftKey) { + if (scope.enableRotate === false) + return; + handleMouseDownRotate(event); + state = STATE.ROTATE; + } else { + if (scope.enablePan === false) + return; + handleMouseDownPan(event); + state = STATE.PAN; + } + break; + default: + state = STATE.NONE; + } + if (state !== STATE.NONE) { + scope.dispatchEvent(_startEvent); + } + } + function onMouseMove(event) { + switch (state) { + case STATE.ROTATE: + if (scope.enableRotate === false) + return; + handleMouseMoveRotate(event); + break; + case STATE.DOLLY: + if (scope.enableZoom === false) + return; + handleMouseMoveDolly(event); + break; + case STATE.PAN: + if (scope.enablePan === false) + return; + handleMouseMovePan(event); + break; + } + } + function onMouseWheel(event) { + if (scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE) + return; + event.preventDefault(); + scope.dispatchEvent(_startEvent); + handleMouseWheel(event); + scope.dispatchEvent(_endEvent); + } + function onKeyDown(event) { + if (scope.enabled === false || scope.enablePan === false) + return; + handleKeyDown(event); + } + function onTouchStart(event) { + trackPointer(event); + switch (pointers.length) { + case 1: + switch (scope.touches.ONE) { + case TOUCH.ROTATE: + if (scope.enableRotate === false) + return; + handleTouchStartRotate(); + state = STATE.TOUCH_ROTATE; + break; + case TOUCH.PAN: + if (scope.enablePan === false) + return; + handleTouchStartPan(); + state = STATE.TOUCH_PAN; + break; + default: + state = STATE.NONE; + } + break; + case 2: + switch (scope.touches.TWO) { + case TOUCH.DOLLY_PAN: + if (scope.enableZoom === false && scope.enablePan === false) + return; + handleTouchStartDollyPan(); + state = STATE.TOUCH_DOLLY_PAN; + break; + case TOUCH.DOLLY_ROTATE: + if (scope.enableZoom === false && scope.enableRotate === false) + return; + handleTouchStartDollyRotate(); + state = STATE.TOUCH_DOLLY_ROTATE; + break; + default: + state = STATE.NONE; + } + break; + default: + state = STATE.NONE; + } + if (state !== STATE.NONE) { + scope.dispatchEvent(_startEvent); + } + } + function onTouchMove(event) { + trackPointer(event); + switch (state) { + case STATE.TOUCH_ROTATE: + if (scope.enableRotate === false) + return; + handleTouchMoveRotate(event); + scope.update(); + break; + case STATE.TOUCH_PAN: + if (scope.enablePan === false) + return; + handleTouchMovePan(event); + scope.update(); + break; + case STATE.TOUCH_DOLLY_PAN: + if (scope.enableZoom === false && scope.enablePan === false) + return; + handleTouchMoveDollyPan(event); + scope.update(); + break; + case STATE.TOUCH_DOLLY_ROTATE: + if (scope.enableZoom === false && scope.enableRotate === false) + return; + handleTouchMoveDollyRotate(event); + scope.update(); + break; + default: + state = STATE.NONE; + } + } + function onContextMenu(event) { + if (scope.enabled === false) + return; + event.preventDefault(); + } + function addPointer(event) { + pointers.push(event); + } + function removePointer(event) { + delete pointerPositions[event.pointerId]; + for (let i = 0; i < pointers.length; i++) { + if (pointers[i].pointerId == event.pointerId) { + pointers.splice(i, 1); + return; + } + } + } + function trackPointer(event) { + let position = pointerPositions[event.pointerId]; + if (position === void 0) { + position = new Vector2(); + pointerPositions[event.pointerId] = position; + } + position.set(event.pageX, event.pageY); + } + function getSecondPointerPosition(event) { + const pointer = event.pointerId === pointers[0].pointerId ? pointers[1] : pointers[0]; + return pointerPositions[pointer.pointerId]; + } + scope.domElement.addEventListener("contextmenu", onContextMenu); + scope.domElement.addEventListener("pointerdown", onPointerDown); + scope.domElement.addEventListener("pointercancel", onPointerUp); + scope.domElement.addEventListener("wheel", onMouseWheel, { passive: false }); + this.update(); + } +}; +const OrbitControls2 = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $$restProps = compute_rest_props($$props, ["ref"]); + let $parent, $$unsubscribe_parent; + let $component, $$unsubscribe_component; + const parent = useParent(); + $$unsubscribe_parent = subscribe(parent, (value) => $parent = value); + const isCamera2 = (p) => { + return p.isCamera; + }; + const { renderer, invalidate } = useThrelte(); + if (!isCamera2($parent)) { + throw new Error("Parent missing: need to be a child of a "); + } + const ref = new OrbitControls$1($parent, renderer.domElement); + const { start, stop } = useTask(ref.update, { autoStart: false, autoInvalidate: false }); + const component = forwardEventHandlers(); + $$unsubscribe_component = subscribe(component, (value) => $component = value); + const { orbitControls } = useControlsContext(); + orbitControls.set(ref); + onDestroy(() => orbitControls.set(void 0)); + if ($$props.ref === void 0 && $$bindings.ref && ref !== void 0) + $$bindings.ref(ref); + let $$settled; + let $$rendered; + let previous_head = $$result.head; + do { + $$settled = true; + $$result.head = previous_head; + { + { + if ($$restProps.autoRotate || $$restProps.enableDamping) + start(); + else + stop(); + } + } + $$rendered = `${validate_component(T, "T").$$render( + $$result, + Object.assign({}, { is: ref }, $$restProps, { this: $component }), + { + this: ($$value) => { + $component = $$value; + $$settled = false; + } + }, + { + default: ({ ref: ref2 }) => { + return `${slots.default ? slots.default({ ref: ref2 }) : ``}`; + } + } + )}`; + } while (!$$settled); + $$unsubscribe_parent(); + $$unsubscribe_component(); + return $$rendered; +}); +new Matrix4(); +new Matrix4(); +new Mesh(); +const setXYZXYZ = (array, location, x, y, z) => { + array[location + 0] = x; + array[location + 1] = y; + array[location + 2] = z; + array[location + 3] = x; + array[location + 4] = y; + array[location + 5] = z; +}; +const setXY = (array, location, x, y) => { + array[location + 0] = x; + array[location + 1] = y; +}; +const setXYZ = (array, location, x, y, z) => { + array[location + 0] = x; + array[location + 1] = y; + array[location + 2] = z; +}; +const setXYZW = (array, location, x, y, z, w) => { + array[location + 0] = x; + array[location + 1] = y; + array[location + 2] = z; + array[location + 3] = w; +}; +const MeshLineGeometry = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $$restProps = compute_rest_props($$props, ["points", "shape", "shapeFunction"]); + let $component, $$unsubscribe_component; + let { points = [] } = $$props; + let { shape = "none" } = $$props; + let { shapeFunction = (p) => 1 } = $$props; + let pointCount; + const { invalidate } = useThrelte(); + const initializeGeometry = () => { + pointCount = points.length; + let counters = []; + let counterIndex = 0; + let side = []; + let widthArray = []; + let doubleIndex = 0; + let uvArray = []; + let uvIndex = 0; + let indices = []; + let indicesIndex = 0; + if (shape === "taper") { + shapeFunction = (p) => 1 * Math.pow(4 * p * (1 - p), 1); + } + for (let j = 0; j < pointCount; j++) { + const c = j / points.length; + counters[counterIndex + 0] = c; + counters[counterIndex + 1] = c; + counterIndex += 2; + setXY(side, doubleIndex, 1, -1); + let width = shape === "none" ? 1 : shapeFunction(j / (pointCount - 1)); + setXY(widthArray, doubleIndex, width, width); + doubleIndex += 2; + setXYZW(uvArray, uvIndex, j / (pointCount - 1), 0, j / (pointCount - 1), 1); + uvIndex += 4; + if (j < pointCount - 1) { + const n = j * 2; + setXYZ(indices, indicesIndex, n + 0, n + 1, n + 2); + setXYZ(indices, indicesIndex + 3, n + 2, n + 1, n + 3); + indicesIndex += 6; + } + } + const bg = new BufferGeometry(); + bg.setAttribute("position", new BufferAttribute(new Float32Array(pointCount * 6), 3)); + bg.setAttribute("previous", new BufferAttribute(new Float32Array(pointCount * 6), 3)); + bg.setAttribute("next", new BufferAttribute(new Float32Array(pointCount * 6), 3)); + bg.setAttribute("counters", new BufferAttribute(new Float32Array(counters), 1)); + bg.setAttribute("side", new BufferAttribute(new Float32Array(side), 1)); + bg.setAttribute("width", new BufferAttribute(new Float32Array(widthArray), 1)); + bg.setAttribute("uv", new BufferAttribute(new Float32Array(uvArray), 2)); + bg.setIndex(new BufferAttribute(new Uint16Array(indices), 1)); + return bg; + }; + const geometry = initializeGeometry(); + const setPoints = (points2) => { + if (!points2[0]) + return; + if (points2.length != pointCount) + return; + let positions = []; + let previous = []; + let next = []; + let positionIndex = 0; + let previousIndex = 0; + let nextIndex = 0; + setXYZXYZ(previous, previousIndex, points2[0].x, points2[0].y, points2[0].z); + previousIndex += 6; + for (let j = 0; j < pointCount; j++) { + const p = points2[j]; + setXYZXYZ(positions, positionIndex, p.x, p.y, p.z); + positionIndex += 6; + if (j < pointCount - 1) { + setXYZXYZ(previous, previousIndex, p.x, p.y, p.z); + previousIndex += 6; + } + if (j > 0 && j + 1 <= pointCount) { + setXYZXYZ(next, nextIndex, p.x, p.y, p.z); + nextIndex += 6; + } + } + setXYZXYZ(next, nextIndex, points2[pointCount - 1].x, points2[pointCount - 1].y, points2[pointCount - 1].z); + const positionAttribute = geometry.getAttribute("position").set(positions); + const previousAttribute = geometry.getAttribute("previous").set(previous); + const nextAttribute = geometry.getAttribute("next").set(next); + positionAttribute.needsUpdate = true; + previousAttribute.needsUpdate = true; + nextAttribute.needsUpdate = true; + geometry.computeBoundingSphere(); + invalidate(); + }; + const component = forwardEventHandlers(); + $$unsubscribe_component = subscribe(component, (value) => $component = value); + if ($$props.points === void 0 && $$bindings.points && points !== void 0) + $$bindings.points(points); + if ($$props.shape === void 0 && $$bindings.shape && shape !== void 0) + $$bindings.shape(shape); + if ($$props.shapeFunction === void 0 && $$bindings.shapeFunction && shapeFunction !== void 0) + $$bindings.shapeFunction(shapeFunction); + let $$settled; + let $$rendered; + let previous_head = $$result.head; + do { + $$settled = true; + $$result.head = previous_head; + { + setPoints(points); + } + $$rendered = `${validate_component(T, "T").$$render( + $$result, + Object.assign({}, { is: geometry }, $$restProps, { this: $component }), + { + this: ($$value) => { + $component = $$value; + $$settled = false; + } + }, + { + default: () => { + return `${slots.default ? slots.default({ ref: geometry }) : ``}`; + } + } + )}`; + } while (!$$settled); + $$unsubscribe_component(); + return $$rendered; +}); +const fragmentShader = ` +#include +#include + +uniform float useDash; +uniform float dashArray; +uniform float dashOffset; +uniform float dashRatio; +uniform sampler2D alphaMap; +uniform float useAlphaMap; + +varying vec2 vUV; +varying vec4 vColor; +varying float vCounters; + +void main() { + #include + #include <${revision < 154 ? "encodings_fragment" : "colorspace_fragment"}> + + vec4 c = vColor; + + if( useAlphaMap == 1. ) c.a *= texture2D( alphaMap, vUV ).r; + + if( useDash == 1. ){ + c.a *= ceil(mod(vCounters + dashOffset, dashArray) - (dashArray * dashRatio)); + } + + gl_FragColor = LinearTosRGB(c); +} +`; +const vertexShader = ` + ${ShaderChunk.logdepthbuf_pars_vertex} + ${ShaderChunk.fog_pars_vertex} + + attribute vec3 previous; + attribute vec3 next; + attribute float side; + attribute float width; + attribute float counters; + + uniform vec2 resolution; + uniform float lineWidth; + uniform vec3 color; + uniform float opacity; + uniform float sizeAttenuation; + uniform float scaleDown; + + varying vec2 vUV; + varying vec4 vColor; + varying float vCounters; + + vec2 intoScreen(vec4 i) { + return resolution * (0.5 * i.xy / i.w + 0.5); + } + + void main() { + float aspect = resolution.y / resolution.x; + + mat4 m = projectionMatrix * modelViewMatrix; + + vec4 currentClip = m * vec4( position, 1.0 ); + vec4 prevClip = m * vec4( previous, 1.0 ); + vec4 nextClip = m * vec4( next, 1.0 ); + + vec4 currentNormed = currentClip / currentClip.w; + vec4 prevNormed = prevClip / prevClip.w; + vec4 nextNormed = nextClip / nextClip.w; + + vec2 currentScreen = intoScreen(currentNormed); + vec2 prevScreen = intoScreen(prevNormed); + vec2 nextScreen = intoScreen(nextNormed); + + float actualWidth = lineWidth * width; + + vec2 dir; + if(nextScreen == currentScreen) { + dir = normalize( currentScreen - prevScreen ); + } else if(prevScreen == currentScreen) { + dir = normalize( nextScreen - currentScreen ); + } else { + vec2 inDir = currentScreen - prevScreen; + vec2 outDir = nextScreen - currentScreen; + vec2 fullDir = nextScreen - prevScreen; + + if(length(fullDir) > 0.0) { + dir = normalize(fullDir); + } else if(length(inDir) > 0.0){ + dir = normalize(inDir); + } else { + dir = normalize(outDir); + } + } + + vec2 normal = vec2(-dir.y, dir.x); + + if(sizeAttenuation != 0.0) { + normal /= currentClip.w; + normal *= min(resolution.x, resolution.y); + } + + if (scaleDown > 0.0) { + float dist = length(nextNormed - prevNormed); + normal *= smoothstep(0.0, scaleDown, dist); + } + + vec2 offsetInScreen = actualWidth * normal * side * 0.5; + + vec2 withOffsetScreen = currentScreen + offsetInScreen; + vec3 withOffsetNormed = vec3((2.0 * withOffsetScreen/resolution - 1.0), currentNormed.z); + + vCounters = counters; + vColor = vec4( color, opacity ); + vUV = uv; + + gl_Position = currentClip.w * vec4(withOffsetNormed, 1.0); + + ${ShaderChunk.logdepthbuf_vertex} + ${ShaderChunk.fog_vertex} + } +`; +const MeshLineMaterial = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $$restProps = compute_rest_props($$props, [ + "opacity", + "color", + "dashOffset", + "dashArray", + "dashRatio", + "attenuate", + "width", + "scaleDown", + "alphaMap" + ]); + let $size, $$unsubscribe_size; + let $component, $$unsubscribe_component; + let { opacity = 1 } = $$props; + let { color = "#ffffff" } = $$props; + let { dashOffset = 0 } = $$props; + let { dashArray = 0 } = $$props; + let { dashRatio = 0 } = $$props; + let { attenuate = true } = $$props; + let { width = 1 } = $$props; + let { scaleDown = 0 } = $$props; + let { alphaMap = void 0 } = $$props; + let { invalidate, size } = useThrelte(); + $$unsubscribe_size = subscribe(size, (value) => $size = value); + const material = new ShaderMaterial({ + uniforms: { + lineWidth: { value: width }, + color: { value: new Color(color) }, + opacity: { value: opacity }, + resolution: { value: new Vector2(1, 1) }, + sizeAttenuation: { value: attenuate ? 1 : 0 }, + dashArray: { value: dashArray }, + dashOffset: { value: dashOffset }, + dashRatio: { value: dashRatio }, + useDash: { value: dashArray > 0 ? 1 : 0 }, + scaleDown: { value: scaleDown / 10 }, + alphaTest: { value: 0 }, + alphaMap: { value: alphaMap }, + useAlphaMap: { value: alphaMap ? 1 : 0 } + } + }); + const component = forwardEventHandlers(); + $$unsubscribe_component = subscribe(component, (value) => $component = value); + if ($$props.opacity === void 0 && $$bindings.opacity && opacity !== void 0) + $$bindings.opacity(opacity); + if ($$props.color === void 0 && $$bindings.color && color !== void 0) + $$bindings.color(color); + if ($$props.dashOffset === void 0 && $$bindings.dashOffset && dashOffset !== void 0) + $$bindings.dashOffset(dashOffset); + if ($$props.dashArray === void 0 && $$bindings.dashArray && dashArray !== void 0) + $$bindings.dashArray(dashArray); + if ($$props.dashRatio === void 0 && $$bindings.dashRatio && dashRatio !== void 0) + $$bindings.dashRatio(dashRatio); + if ($$props.attenuate === void 0 && $$bindings.attenuate && attenuate !== void 0) + $$bindings.attenuate(attenuate); + if ($$props.width === void 0 && $$bindings.width && width !== void 0) + $$bindings.width(width); + if ($$props.scaleDown === void 0 && $$bindings.scaleDown && scaleDown !== void 0) + $$bindings.scaleDown(scaleDown); + if ($$props.alphaMap === void 0 && $$bindings.alphaMap && alphaMap !== void 0) + $$bindings.alphaMap(alphaMap); + let $$settled; + let $$rendered; + let previous_head = $$result.head; + do { + $$settled = true; + $$result.head = previous_head; + { + { + material.uniforms.resolution.value = new Vector2($size.width, $size.height); + invalidate(); + } + } + { + { + material.uniforms.dashRatio.value = dashRatio; + material.uniforms.dashArray.value = dashArray; + material.uniforms.dashOffset.value = dashOffset; + material.uniforms.lineWidth.value = width; + material.uniforms.opacity.value = opacity; + material.uniforms.color.value = new Color(color); + invalidate(); + } + } + $$rendered = `${validate_component(T, "T").$$render( + $$result, + Object.assign({}, { is: material }, $$restProps, { fragmentShader }, { vertexShader }, { this: $component }), + { + this: ($$value) => { + $component = $$value; + $$settled = false; + } + }, + { + default: () => { + return `${slots.default ? slots.default({ ref: material }) : ``}`; + } + } + )}`; + } while (!$$settled); + $$unsubscribe_size(); + $$unsubscribe_component(); + return $$rendered; +}); +` +uniform vec3 glowColor; +uniform float falloffAmount; +uniform float glowSharpness; +uniform float glowInternalRadius; + +varying vec3 vPosition; +varying vec3 vNormal; + +void main() +{ + // Normal + vec3 normal = normalize(vNormal); + if(!gl_FrontFacing) + normal *= - 1.0; + vec3 viewDirection = normalize(cameraPosition - vPosition); + float fresnel = dot(viewDirection, normal); + fresnel = pow(fresnel, glowInternalRadius + 0.1); + float falloff = smoothstep(0., falloffAmount, fresnel); + float fakeGlow = fresnel; + fakeGlow += fresnel * glowSharpness; + fakeGlow *= falloff; + gl_FragColor = vec4(clamp(glowColor * fresnel, 0., 1.0), clamp(fakeGlow, 0., 1.0)); + + ${ShaderChunk.tonemapping_fragment} + ${ShaderChunk.colorspace_fragment} +}`; +` +uniform sampler2D pointTexture; +uniform float fade; +uniform float opacity; + +varying vec3 vColor; +void main() { + float pointOpacity = 1.0; + if (fade == 1.0) { + float d = distance(gl_PointCoord, vec2(0.5, 0.5)); + pointOpacity = 1.0 / (1.0 + exp(16.0 * (d - 0.25))); + } + gl_FragColor = vec4(vColor, pointOpacity * opacity); + + ${ShaderChunk.tonemapping_fragment} + ${ShaderChunk.colorspace_fragment} +}`; +const common_functions = ( + /* glsl */ + ` + +// A stack of uint32 indices can can store the indices for +// a perfectly balanced tree with a depth up to 31. Lower stack +// depth gets higher performance. +// +// However not all trees are balanced. Best value to set this to +// is the trees max depth. +#ifndef BVH_STACK_DEPTH +#define BVH_STACK_DEPTH 60 +#endif + +#ifndef INFINITY +#define INFINITY 1e20 +#endif + +// Utilities +uvec4 uTexelFetch1D( usampler2D tex, uint index ) { + + uint width = uint( textureSize( tex, 0 ).x ); + uvec2 uv; + uv.x = index % width; + uv.y = index / width; + + return texelFetch( tex, ivec2( uv ), 0 ); + +} + +ivec4 iTexelFetch1D( isampler2D tex, uint index ) { + + uint width = uint( textureSize( tex, 0 ).x ); + uvec2 uv; + uv.x = index % width; + uv.y = index / width; + + return texelFetch( tex, ivec2( uv ), 0 ); + +} + +vec4 texelFetch1D( sampler2D tex, uint index ) { + + uint width = uint( textureSize( tex, 0 ).x ); + uvec2 uv; + uv.x = index % width; + uv.y = index / width; + + return texelFetch( tex, ivec2( uv ), 0 ); + +} + +vec4 textureSampleBarycoord( sampler2D tex, vec3 barycoord, uvec3 faceIndices ) { + + return + barycoord.x * texelFetch1D( tex, faceIndices.x ) + + barycoord.y * texelFetch1D( tex, faceIndices.y ) + + barycoord.z * texelFetch1D( tex, faceIndices.z ); + +} + +void ndcToCameraRay( + vec2 coord, mat4 cameraWorld, mat4 invProjectionMatrix, + out vec3 rayOrigin, out vec3 rayDirection +) { + + // get camera look direction and near plane for camera clipping + vec4 lookDirection = cameraWorld * vec4( 0.0, 0.0, - 1.0, 0.0 ); + vec4 nearVector = invProjectionMatrix * vec4( 0.0, 0.0, - 1.0, 1.0 ); + float near = abs( nearVector.z / nearVector.w ); + + // get the camera direction and position from camera matrices + vec4 origin = cameraWorld * vec4( 0.0, 0.0, 0.0, 1.0 ); + vec4 direction = invProjectionMatrix * vec4( coord, 0.5, 1.0 ); + direction /= direction.w; + direction = cameraWorld * direction - origin; + + // slide the origin along the ray until it sits at the near clip plane position + origin.xyz += direction.xyz * near / dot( direction, lookDirection ); + + rayOrigin = origin.xyz; + rayDirection = direction.xyz; + +} +` +); +const bvh_ray_functions = ( + /* glsl */ + ` + +#ifndef TRI_INTERSECT_EPSILON +#define TRI_INTERSECT_EPSILON 1e-5 +#endif + +// Raycasting +bool intersectsBounds( vec3 rayOrigin, vec3 rayDirection, vec3 boundsMin, vec3 boundsMax, out float dist ) { + + // https://www.reddit.com/r/opengl/comments/8ntzz5/fast_glsl_ray_box_intersection/ + // https://tavianator.com/2011/ray_box.html + vec3 invDir = 1.0 / rayDirection; + + // find intersection distances for each plane + vec3 tMinPlane = invDir * ( boundsMin - rayOrigin ); + vec3 tMaxPlane = invDir * ( boundsMax - rayOrigin ); + + // get the min and max distances from each intersection + vec3 tMinHit = min( tMaxPlane, tMinPlane ); + vec3 tMaxHit = max( tMaxPlane, tMinPlane ); + + // get the furthest hit distance + vec2 t = max( tMinHit.xx, tMinHit.yz ); + float t0 = max( t.x, t.y ); + + // get the minimum hit distance + t = min( tMaxHit.xx, tMaxHit.yz ); + float t1 = min( t.x, t.y ); + + // set distance to 0.0 if the ray starts inside the box + dist = max( t0, 0.0 ); + + return t1 >= dist; + +} + +bool intersectsTriangle( + vec3 rayOrigin, vec3 rayDirection, vec3 a, vec3 b, vec3 c, + out vec3 barycoord, out vec3 norm, out float dist, out float side +) { + + // https://stackoverflow.com/questions/42740765/intersection-between-line-and-triangle-in-3d + vec3 edge1 = b - a; + vec3 edge2 = c - a; + norm = cross( edge1, edge2 ); + + float det = - dot( rayDirection, norm ); + float invdet = 1.0 / det; + + vec3 AO = rayOrigin - a; + vec3 DAO = cross( AO, rayDirection ); + + vec4 uvt; + uvt.x = dot( edge2, DAO ) * invdet; + uvt.y = - dot( edge1, DAO ) * invdet; + uvt.z = dot( AO, norm ) * invdet; + uvt.w = 1.0 - uvt.x - uvt.y; + + // set the hit information + barycoord = uvt.wxy; // arranged in A, B, C order + dist = uvt.z; + side = sign( det ); + norm = side * normalize( norm ); + + // add an epsilon to avoid misses between triangles + uvt += vec4( TRI_INTERSECT_EPSILON ); + + return all( greaterThanEqual( uvt, vec4( 0.0 ) ) ); + +} + +bool intersectTriangles( + // geometry info and triangle range + sampler2D positionAttr, usampler2D indexAttr, uint offset, uint count, + + // ray + vec3 rayOrigin, vec3 rayDirection, + + // outputs + inout float minDistance, inout uvec4 faceIndices, inout vec3 faceNormal, inout vec3 barycoord, + inout float side, inout float dist +) { + + bool found = false; + vec3 localBarycoord, localNormal; + float localDist, localSide; + for ( uint i = offset, l = offset + count; i < l; i ++ ) { + + uvec3 indices = uTexelFetch1D( indexAttr, i ).xyz; + vec3 a = texelFetch1D( positionAttr, indices.x ).rgb; + vec3 b = texelFetch1D( positionAttr, indices.y ).rgb; + vec3 c = texelFetch1D( positionAttr, indices.z ).rgb; + + if ( + intersectsTriangle( rayOrigin, rayDirection, a, b, c, localBarycoord, localNormal, localDist, localSide ) + && localDist < minDistance + ) { + + found = true; + minDistance = localDist; + + faceIndices = uvec4( indices.xyz, i ); + faceNormal = localNormal; + + side = localSide; + barycoord = localBarycoord; + dist = localDist; + + } + + } + + return found; + +} + +bool intersectsBVHNodeBounds( vec3 rayOrigin, vec3 rayDirection, sampler2D bvhBounds, uint currNodeIndex, out float dist ) { + + uint cni2 = currNodeIndex * 2u; + vec3 boundsMin = texelFetch1D( bvhBounds, cni2 ).xyz; + vec3 boundsMax = texelFetch1D( bvhBounds, cni2 + 1u ).xyz; + return intersectsBounds( rayOrigin, rayDirection, boundsMin, boundsMax, dist ); + +} + +// use a macro to hide the fact that we need to expand the struct into separate fields +#define bvhIntersectFirstHit( bvh, rayOrigin, rayDirection, faceIndices, faceNormal, barycoord, side, dist ) _bvhIntersectFirstHit( bvh.position, bvh.index, bvh.bvhBounds, bvh.bvhContents, rayOrigin, rayDirection, faceIndices, faceNormal, barycoord, side, dist ) + +bool _bvhIntersectFirstHit( + // bvh info + sampler2D bvh_position, usampler2D bvh_index, sampler2D bvh_bvhBounds, usampler2D bvh_bvhContents, + + // ray + vec3 rayOrigin, vec3 rayDirection, + + // output variables split into separate variables due to output precision + inout uvec4 faceIndices, inout vec3 faceNormal, inout vec3 barycoord, + inout float side, inout float dist +) { + + // stack needs to be twice as long as the deepest tree we expect because + // we push both the left and right child onto the stack every traversal + int ptr = 0; + uint stack[ BVH_STACK_DEPTH ]; + stack[ 0 ] = 0u; + + float triangleDistance = INFINITY; + bool found = false; + while ( ptr > - 1 && ptr < BVH_STACK_DEPTH ) { + + uint currNodeIndex = stack[ ptr ]; + ptr --; + + // check if we intersect the current bounds + float boundsHitDistance; + if ( + ! intersectsBVHNodeBounds( rayOrigin, rayDirection, bvh_bvhBounds, currNodeIndex, boundsHitDistance ) + || boundsHitDistance > triangleDistance + ) { + + continue; + + } + + uvec2 boundsInfo = uTexelFetch1D( bvh_bvhContents, currNodeIndex ).xy; + bool isLeaf = bool( boundsInfo.x & 0xffff0000u ); + + if ( isLeaf ) { + + uint count = boundsInfo.x & 0x0000ffffu; + uint offset = boundsInfo.y; + + found = intersectTriangles( + bvh_position, bvh_index, offset, count, + rayOrigin, rayDirection, triangleDistance, + faceIndices, faceNormal, barycoord, side, dist + ) || found; + + } else { + + uint leftIndex = currNodeIndex + 1u; + uint splitAxis = boundsInfo.x & 0x0000ffffu; + uint rightIndex = boundsInfo.y; + + bool leftToRight = rayDirection[ splitAxis ] >= 0.0; + uint c1 = leftToRight ? leftIndex : rightIndex; + uint c2 = leftToRight ? rightIndex : leftIndex; + + // set c2 in the stack so we traverse it later. We need to keep track of a pointer in + // the stack while we traverse. The second pointer added is the one that will be + // traversed first + ptr ++; + stack[ ptr ] = c2; + + ptr ++; + stack[ ptr ] = c1; + + } + + } + + return found; + +} +` +); +const bvh_struct_definitions = ( + /* glsl */ + ` +struct BVH { + + usampler2D index; + sampler2D position; + + sampler2D bvhBounds; + usampler2D bvhContents; + +}; +` +); +const shaderStructs = bvh_struct_definitions; +const shaderIntersectFunction = ` + ${common_functions} + ${bvh_ray_functions} +`; +`#define ENVMAP_TYPE_CUBE_UV +precision highp isampler2D; +precision highp usampler2D; +varying vec3 vWorldPosition; +varying vec3 vNormal; +varying mat4 vModelMatrixInverse; + +#ifdef USE_INSTANCING_COLOR + varying vec3 vInstanceColor; +#endif + +#ifdef ENVMAP_TYPE_CUBEM + uniform samplerCube envMap; +#else + uniform sampler2D envMap; +#endif + +uniform float bounces; +${shaderStructs} +${shaderIntersectFunction} +uniform BVH bvh; +uniform float ior; +uniform bool correctMips; +uniform vec2 resolution; +uniform float fresnel; +uniform mat4 modelMatrix; +uniform mat4 projectionMatrixInverse; +uniform mat4 viewMatrixInverse; +uniform float aberrationStrength; +uniform vec3 color; + +float fresnelFunc(vec3 viewDirection, vec3 worldNormal) { + return pow( 1.0 + dot( viewDirection, worldNormal), 10.0 ); +} + +vec3 totalInternalReflection(vec3 ro, vec3 rd, vec3 normal, float ior, mat4 modelMatrixInverse) { + vec3 rayOrigin = ro; + vec3 rayDirection = rd; + rayDirection = refract(rayDirection, normal, 1.0 / ior); + rayOrigin = vWorldPosition + rayDirection * 0.001; + rayOrigin = (modelMatrixInverse * vec4(rayOrigin, 1.0)).xyz; + rayDirection = normalize((modelMatrixInverse * vec4(rayDirection, 0.0)).xyz); + for(float i = 0.0; i < bounces; i++) { + uvec4 faceIndices = uvec4( 0u ); + vec3 faceNormal = vec3( 0.0, 0.0, 1.0 ); + vec3 barycoord = vec3( 0.0 ); + float side = 1.0; + float dist = 0.0; + bvhIntersectFirstHit( bvh, rayOrigin, rayDirection, faceIndices, faceNormal, barycoord, side, dist ); + vec3 hitPos = rayOrigin + rayDirection * max(dist - 0.001, 0.0); + vec3 tempDir = refract(rayDirection, faceNormal, ior); + if (length(tempDir) != 0.0) { + rayDirection = tempDir; + break; + } + rayDirection = reflect(rayDirection, faceNormal); + rayOrigin = hitPos + rayDirection * 0.01; + } + rayDirection = normalize((modelMatrix * vec4(rayDirection, 0.0)).xyz); + return rayDirection; +} + +#include +#include + +#ifdef ENVMAP_TYPE_CUBEM + vec4 textureGradient(samplerCube envMap, vec3 rayDirection, vec3 directionCamPerfect) { + return textureGrad(envMap, rayDirection, dFdx(correctMips ? directionCamPerfect: rayDirection), dFdy(correctMips ? directionCamPerfect: rayDirection)); + } +#else + vec4 textureGradient(sampler2D envMap, vec3 rayDirection, vec3 directionCamPerfect) { + vec2 uvv = equirectUv( rayDirection ); + vec2 smoothUv = equirectUv( directionCamPerfect ); + return textureGrad(envMap, uvv, dFdx(correctMips ? smoothUv : uvv), dFdy(correctMips ? smoothUv : uvv)); + } +#endif + +void main() { + vec2 uv = gl_FragCoord.xy / resolution; + vec3 directionCamPerfect = (projectionMatrixInverse * vec4(uv * 2.0 - 1.0, 0.0, 1.0)).xyz; + directionCamPerfect = (viewMatrixInverse * vec4(directionCamPerfect, 0.0)).xyz; + directionCamPerfect = normalize(directionCamPerfect); + vec3 normal = vNormal; + vec3 rayOrigin = cameraPosition; + vec3 rayDirection = normalize(vWorldPosition - cameraPosition); + vec3 finalColor; + #ifdef CHROMATIC_ABERRATIONS + vec3 rayDirectionG = totalInternalReflection(rayOrigin, rayDirection, normal, max(ior, 1.0), vModelMatrixInverse); + #ifdef FAST_CHROMA + vec3 rayDirectionR = normalize(rayDirectionG + 1.0 * vec3(aberrationStrength / 2.0)); + vec3 rayDirectionB = normalize(rayDirectionG - 1.0 * vec3(aberrationStrength / 2.0)); + #else + vec3 rayDirectionR = totalInternalReflection(rayOrigin, rayDirection, normal, max(ior * (1.0 - aberrationStrength), 1.0), vModelMatrixInverse); + vec3 rayDirectionB = totalInternalReflection(rayOrigin, rayDirection, normal, max(ior * (1.0 + aberrationStrength), 1.0), vModelMatrixInverse); + #endif + float finalColorR = textureGradient(envMap, rayDirectionR, directionCamPerfect).r; + float finalColorG = textureGradient(envMap, rayDirectionG, directionCamPerfect).g; + float finalColorB = textureGradient(envMap, rayDirectionB, directionCamPerfect).b; + finalColor = vec3(finalColorR, finalColorG, finalColorB); + #else + rayDirection = totalInternalReflection(rayOrigin, rayDirection, normal, max(ior, 1.0), vModelMatrixInverse); + finalColor = textureGradient(envMap, rayDirection, directionCamPerfect).rgb; + #endif + + finalColor *= color; + #ifdef USE_INSTANCING_COLOR + finalColor *= vInstanceColor; + #endif + + vec3 viewDirection = normalize(vWorldPosition - cameraPosition); + float nFresnel = fresnelFunc(viewDirection, normal) * fresnel; + gl_FragColor = vec4(mix(finalColor, vec3(1.0), nFresnel), 1.0); + ${ShaderChunk.tonemapping_fragment} + ${ShaderChunk.colorspace_fragment} +}`; +const Edge = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let { from } = $$props; + let { to } = $$props; + let samples = 20; + const curve = new CubicBezierCurve(new Vector2(from.position.x + 10, from.position.y), new Vector2(from.position.x + 2, from.position.y), new Vector2(to.position.x - 2, to.position.y), new Vector2(to.position.x, to.position.y)); + let points = []; + let last_from_x = 0; + let last_from_y = 0; + function update2(force = false) { + if (!force) { + const new_x = from.position.x + to.position.x; + const new_y = from.position.y + to.position.y; + if (last_from_x === new_x && last_from_y === new_y) { + return; + } + last_from_x = new_x; + last_from_y = new_y; + } + curve.v0.set(from.position.x + 2.5, from.position.y); + curve.v1.set(from.position.x + 4, from.position.y); + curve.v2.set(to.position.x - 4, to.position.y); + curve.v3.set(to.position.x - 2.5, to.position.y); + points = curve.getPoints(samples).map((p) => new Vector3(p.x, 0, p.y)); + } + update2(); + if ($$props.from === void 0 && $$bindings.from && from !== void 0) + $$bindings.from(from); + if ($$props.to === void 0 && $$bindings.to && to !== void 0) + $$bindings.to(to); + { + if (from.position || to.position) { + update2(); + } + } + return `${validate_component(T.Mesh, "T.Mesh").$$render($$result, {}, {}, { + default: () => { + return `${validate_component(MeshLineGeometry, "MeshLineGeometry").$$render($$result, { points }, {}, {})} ${validate_component(MeshLineMaterial, "MeshLineMaterial").$$render( + $$result, + { + width: 3, + attenuate: false, + color: 16711680 + }, + {}, + {} + )}`; + } + })}`; +}); +const settings = writable({ + useHtml: false +}); +const css$1 = { + code: "body{overflow:hidden}.wrapper.svelte-1hhwi3t{position:absolute;z-index:100;width:0px;height:0px;transform:scale(calc(var(--cz) * 0.1))}.node.svelte-1hhwi3t:hover{background:red}.node.svelte-1hhwi3t{position:absolute;border-radius:2px;user-select:none !important;-webkit-user-select:none;cursor:pointer;width:50px;height:20px;background:green;transform:translate(var(--nx), var(--ny))}", + map: null +}; +const Scene2 = create_ssr_component(($$result, $$props, $$bindings, slots) => { + let $$unsubscribe_settings; + $$unsubscribe_settings = subscribe(settings, (value) => value); + let { camera } = $$props; + let { graph } = $$props; + let cz = 30; + let mouseX = 0; + let mouseY = 0; + let edges = []; + function calculateEdges() { + edges = graph.edges.map((edge) => { + const from = graph.nodes.find((node) => node.id === edge.from); + const to = graph.nodes.find((node) => node.id === edge.to); + if (!from || !to) + return; + return [from, to]; + }).filter(Boolean); + } + calculateEdges(); + useTask( + () => { + cz = camera.zoom || 30; + }, + { autoStart: true } + ); + if ($$props.camera === void 0 && $$bindings.camera && camera !== void 0) + $$bindings.camera(camera); + if ($$props.graph === void 0 && $$bindings.graph && graph !== void 0) + $$bindings.graph(graph); + $$result.css.add(css$1); + let $$settled; + let $$rendered; + let previous_head = $$result.head; + do { + $$settled = true; + $$result.head = previous_head; + $$rendered = ` ${`${validate_component(T.Group, "T.Group").$$render( + $$result, + { + "position.x": mouseX, + "position.z": mouseY + }, + {}, + { + default: () => { + return `${validate_component(T.Mesh, "T.Mesh").$$render( + $$result, + { + "rotation.x": -Math.PI / 2, + "position.y": 0.2 + }, + {}, + { + default: () => { + return `${validate_component(T.CircleGeometry, "T.CircleGeometry").$$render($$result, { args: [0.5, 16] }, {}, {})} ${validate_component(T.MeshBasicMaterial, "T.MeshBasicMaterial").$$render($$result, { color: "green" }, {}, {})}`; + } + } + )}`; + } + } + )}`} ${validate_component(T.OrthographicCamera, "T.OrthographicCamera").$$render( + $$result, + { + makeDefault: true, + position: [0, 1, 0], + zoom: 30, + ref: camera + }, + { + ref: ($$value) => { + camera = $$value; + $$settled = false; + } + }, + { + default: () => { + return `${validate_component(OrbitControls2, "OrbitControls").$$render( + $$result, + { + enableZoom: true, + "target.y": 0, + rotateSpeed: 0, + minPolarAngle: 0, + maxPolarAngle: 0, + enablePan: true, + zoomToCursor: true, + maxZoom: 150, + minZoom: 4 + }, + {}, + {} + )}`; + } + } + )} ${each(edges, (edge) => { + return `${validate_component(Edge, "Edge").$$render($$result, { from: edge[0], to: edge[1] }, {}, {})}`; + })} ${validate_component(HTML, "HTML").$$render($$result, { transform: false }, {}, { + default: () => { + return `
${each(graph.nodes, (node) => { + return `
${escape$1(node.id)}
`; + })}
`; + } + })}j`; + } while (!$$settled); + $$unsubscribe_settings(); + return $$rendered; +}); +const App = create_ssr_component(($$result, $$props, $$bindings, slots) => { + const graph = { edges: [], nodes: [] }; + for (let i = 0; i < 40; i++) { + const x = i % 20; + const y = Math.floor(i / 20); + graph.nodes.push({ + id: i.toString(), + tmp: { visible: false }, + position: { x: x * 5.5, y: y * 3.5 }, + type: "test" + }); + graph.edges.push({ + from: i.toString(), + to: (i + 1).toString() + }); + } + return `${validate_component(Canvas, "Canvas").$$render($$result, { shadows: false }, {}, { + default: () => { + return `${validate_component(Scene2, "Scene").$$render($$result, { graph }, {}, {})}`; + } + })}`; +}); +const css = { + code: "div.svelte-1mpqyj7{height:100vh}body{margin:0;position:relative;width:100vw;height:100vh;background:rgb(13, 19, 32);background:linear-gradient(\n 180deg,\n rgba(13, 19, 32, 1) 0%,\n rgba(8, 12, 21, 1) 100%\n )}", + map: null +}; +const Page = create_ssr_component(($$result, $$props, $$bindings, slots) => { + $$result.css.add(css); + return `
${validate_component(App, "App").$$render($$result, {}, {}, {})}
`; +}); +export { + Page as default +}; diff --git a/frontend/.svelte-kit/output/server/index.js b/frontend/.svelte-kit/output/server/index.js new file mode 100644 index 0000000..8728cd9 --- /dev/null +++ b/frontend/.svelte-kit/output/server/index.js @@ -0,0 +1,3705 @@ +import { b as base, a as assets, o as override, r as reset, p as public_env, s as safe_public_env, c as options, d as set_private_env, e as prerendering, f as set_public_env, g as get_hooks, h as set_safe_public_env } from "./chunks/internal.js"; +import { m as make_trackable, d as disable_search, n as normalize_path, a as add_data_suffix, r as resolve, b as decode_pathname, h as has_data_suffix, s as strip_data_suffix, c as decode_params, v as validate_layout_server_exports, e as validate_layout_exports, f as validate_page_server_exports, g as validate_page_exports, i as validate_server_exports } from "./chunks/exports.js"; +import { w as writable, r as readable } from "./chunks/index.js"; +const DEV = false; +const SVELTE_KIT_ASSETS = "/_svelte_kit_assets"; +const ENDPOINT_METHODS = ["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS", "HEAD"]; +const PAGE_METHODS = ["GET", "POST", "HEAD"]; +function negotiate(accept, types) { + const parts = []; + accept.split(",").forEach((str, i) => { + const match = /([^/]+)\/([^;]+)(?:;q=([0-9.]+))?/.exec(str); + if (match) { + const [, type, subtype, q = "1"] = match; + parts.push({ type, subtype, q: +q, i }); + } + }); + parts.sort((a, b) => { + if (a.q !== b.q) { + return b.q - a.q; + } + if (a.subtype === "*" !== (b.subtype === "*")) { + return a.subtype === "*" ? 1 : -1; + } + if (a.type === "*" !== (b.type === "*")) { + return a.type === "*" ? 1 : -1; + } + return a.i - b.i; + }); + let accepted; + let min_priority = Infinity; + for (const mimetype of types) { + const [type, subtype] = mimetype.split("/"); + const priority = parts.findIndex( + (part) => (part.type === type || part.type === "*") && (part.subtype === subtype || part.subtype === "*") + ); + if (priority !== -1 && priority < min_priority) { + accepted = mimetype; + min_priority = priority; + } + } + return accepted; +} +function is_content_type(request, ...types) { + const type = request.headers.get("content-type")?.split(";", 1)[0].trim() ?? ""; + return types.includes(type.toLowerCase()); +} +function is_form_content_type(request) { + return is_content_type( + request, + "application/x-www-form-urlencoded", + "multipart/form-data", + "text/plain" + ); +} +class HttpError { + /** + * @param {number} status + * @param {{message: string} extends App.Error ? (App.Error | string | undefined) : App.Error} body + */ + constructor(status, body2) { + this.status = status; + if (typeof body2 === "string") { + this.body = { message: body2 }; + } else if (body2) { + this.body = body2; + } else { + this.body = { message: `Error: ${status}` }; + } + } + toString() { + return JSON.stringify(this.body); + } +} +class Redirect { + /** + * @param {300 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308} status + * @param {string} location + */ + constructor(status, location) { + this.status = status; + this.location = location; + } +} +class SvelteKitError extends Error { + /** + * @param {number} status + * @param {string} text + * @param {string} message + */ + constructor(status, text2, message) { + super(message); + this.status = status; + this.text = text2; + } +} +class ActionFailure { + /** + * @param {number} status + * @param {T} data + */ + constructor(status, data) { + this.status = status; + this.data = data; + } +} +function json(data, init2) { + const body2 = JSON.stringify(data); + const headers2 = new Headers(init2?.headers); + if (!headers2.has("content-length")) { + headers2.set("content-length", encoder$3.encode(body2).byteLength.toString()); + } + if (!headers2.has("content-type")) { + headers2.set("content-type", "application/json"); + } + return new Response(body2, { + ...init2, + headers: headers2 + }); +} +const encoder$3 = new TextEncoder(); +function text(body2, init2) { + const headers2 = new Headers(init2?.headers); + if (!headers2.has("content-length")) { + const encoded = encoder$3.encode(body2); + headers2.set("content-length", encoded.byteLength.toString()); + return new Response(encoded, { + ...init2, + headers: headers2 + }); + } + return new Response(body2, { + ...init2, + headers: headers2 + }); +} +function coalesce_to_error(err) { + return err instanceof Error || err && /** @type {any} */ + err.name && /** @type {any} */ + err.message ? ( + /** @type {Error} */ + err + ) : new Error(JSON.stringify(err)); +} +function normalize_error(error) { + return ( + /** @type {import('../runtime/control.js').Redirect | HttpError | SvelteKitError | Error} */ + error + ); +} +function get_status(error) { + return error instanceof HttpError || error instanceof SvelteKitError ? error.status : 500; +} +function get_message(error) { + return error instanceof SvelteKitError ? error.text : "Internal Error"; +} +function method_not_allowed(mod, method) { + return text(`${method} method not allowed`, { + status: 405, + headers: { + // https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/405 + // "The server must generate an Allow header field in a 405 status code response" + allow: allowed_methods(mod).join(", ") + } + }); +} +function allowed_methods(mod) { + const allowed = ENDPOINT_METHODS.filter((method) => method in mod); + if ("GET" in mod || "HEAD" in mod) + allowed.push("HEAD"); + return allowed; +} +function static_error_page(options2, status, message) { + let page = options2.templates.error({ status, message }); + return text(page, { + headers: { "content-type": "text/html; charset=utf-8" }, + status + }); +} +async function handle_fatal_error(event, options2, error) { + error = error instanceof HttpError ? error : coalesce_to_error(error); + const status = get_status(error); + const body2 = await handle_error_and_jsonify(event, options2, error); + const type = negotiate(event.request.headers.get("accept") || "text/html", [ + "application/json", + "text/html" + ]); + if (event.isDataRequest || type === "application/json") { + return json(body2, { + status + }); + } + return static_error_page(options2, status, body2.message); +} +async function handle_error_and_jsonify(event, options2, error) { + if (error instanceof HttpError) { + return error.body; + } + const status = get_status(error); + const message = get_message(error); + return await options2.hooks.handleError({ error, event, status, message }) ?? { message }; +} +function redirect_response(status, location) { + const response = new Response(void 0, { + status, + headers: { location } + }); + return response; +} +function clarify_devalue_error(event, error) { + if (error.path) { + return `Data returned from \`load\` while rendering ${event.route.id} is not serializable: ${error.message} (data${error.path})`; + } + if (error.path === "") { + return `Data returned from \`load\` while rendering ${event.route.id} is not a plain object`; + } + return error.message; +} +function stringify_uses(node) { + const uses = []; + if (node.uses && node.uses.dependencies.size > 0) { + uses.push(`"dependencies":${JSON.stringify(Array.from(node.uses.dependencies))}`); + } + if (node.uses && node.uses.search_params.size > 0) { + uses.push(`"search_params":${JSON.stringify(Array.from(node.uses.search_params))}`); + } + if (node.uses && node.uses.params.size > 0) { + uses.push(`"params":${JSON.stringify(Array.from(node.uses.params))}`); + } + if (node.uses?.parent) + uses.push('"parent":1'); + if (node.uses?.route) + uses.push('"route":1'); + if (node.uses?.url) + uses.push('"url":1'); + return `"uses":{${uses.join(",")}}`; +} +async function render_endpoint(event, mod, state) { + const method = ( + /** @type {import('types').HttpMethod} */ + event.request.method + ); + let handler = mod[method] || mod.fallback; + if (method === "HEAD" && mod.GET && !mod.HEAD) { + handler = mod.GET; + } + if (!handler) { + return method_not_allowed(mod, method); + } + const prerender = mod.prerender ?? state.prerender_default; + if (prerender && (mod.POST || mod.PATCH || mod.PUT || mod.DELETE)) { + throw new Error("Cannot prerender endpoints that have mutative methods"); + } + if (state.prerendering && !prerender) { + if (state.depth > 0) { + throw new Error(`${event.route.id} is not prerenderable`); + } else { + return new Response(void 0, { status: 204 }); + } + } + try { + let response = await handler( + /** @type {import('@sveltejs/kit').RequestEvent>} */ + event + ); + if (!(response instanceof Response)) { + throw new Error( + `Invalid response from route ${event.url.pathname}: handler should return a Response object` + ); + } + if (state.prerendering) { + response = new Response(response.body, { + status: response.status, + statusText: response.statusText, + headers: new Headers(response.headers) + }); + response.headers.set("x-sveltekit-prerender", String(prerender)); + } + return response; + } catch (e) { + if (e instanceof Redirect) { + return new Response(void 0, { + status: e.status, + headers: { location: e.location } + }); + } + throw e; + } +} +function is_endpoint_request(event) { + const { method, headers: headers2 } = event.request; + if (ENDPOINT_METHODS.includes(method) && !PAGE_METHODS.includes(method)) { + return true; + } + if (method === "POST" && headers2.get("x-sveltekit-action") === "true") + return false; + const accept = event.request.headers.get("accept") ?? "*/*"; + return negotiate(accept, ["*", "text/html"]) !== "text/html"; +} +function compact(arr) { + return arr.filter( + /** @returns {val is NonNullable} */ + (val) => val != null + ); +} +const escaped = { + "<": "\\u003C", + "\\": "\\\\", + "\b": "\\b", + "\f": "\\f", + "\n": "\\n", + "\r": "\\r", + " ": "\\t", + "\u2028": "\\u2028", + "\u2029": "\\u2029" +}; +class DevalueError extends Error { + /** + * @param {string} message + * @param {string[]} keys + */ + constructor(message, keys) { + super(message); + this.name = "DevalueError"; + this.path = keys.join(""); + } +} +function is_primitive(thing) { + return Object(thing) !== thing; +} +const object_proto_names = /* @__PURE__ */ Object.getOwnPropertyNames( + Object.prototype +).sort().join("\0"); +function is_plain_object(thing) { + const proto = Object.getPrototypeOf(thing); + return proto === Object.prototype || proto === null || Object.getOwnPropertyNames(proto).sort().join("\0") === object_proto_names; +} +function get_type(thing) { + return Object.prototype.toString.call(thing).slice(8, -1); +} +function get_escaped_char(char) { + switch (char) { + case '"': + return '\\"'; + case "<": + return "\\u003C"; + case "\\": + return "\\\\"; + case "\n": + return "\\n"; + case "\r": + return "\\r"; + case " ": + return "\\t"; + case "\b": + return "\\b"; + case "\f": + return "\\f"; + case "\u2028": + return "\\u2028"; + case "\u2029": + return "\\u2029"; + default: + return char < " " ? `\\u${char.charCodeAt(0).toString(16).padStart(4, "0")}` : ""; + } +} +function stringify_string(str) { + let result = ""; + let last_pos = 0; + const len = str.length; + for (let i = 0; i < len; i += 1) { + const char = str[i]; + const replacement = get_escaped_char(char); + if (replacement) { + result += str.slice(last_pos, i) + replacement; + last_pos = i + 1; + } + } + return `"${last_pos === 0 ? str : result + str.slice(last_pos)}"`; +} +const chars$1 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_$"; +const unsafe_chars = /[<\b\f\n\r\t\0\u2028\u2029]/g; +const reserved = /^(?:do|if|in|for|int|let|new|try|var|byte|case|char|else|enum|goto|long|this|void|with|await|break|catch|class|const|final|float|short|super|throw|while|yield|delete|double|export|import|native|return|switch|throws|typeof|boolean|default|extends|finally|package|private|abstract|continue|debugger|function|volatile|interface|protected|transient|implements|instanceof|synchronized)$/; +function uneval(value, replacer) { + const counts = /* @__PURE__ */ new Map(); + const keys = []; + const custom = /* @__PURE__ */ new Map(); + function walk(thing) { + if (typeof thing === "function") { + throw new DevalueError(`Cannot stringify a function`, keys); + } + if (!is_primitive(thing)) { + if (counts.has(thing)) { + counts.set(thing, counts.get(thing) + 1); + return; + } + counts.set(thing, 1); + if (replacer) { + const str2 = replacer(thing); + if (typeof str2 === "string") { + custom.set(thing, str2); + return; + } + } + const type = get_type(thing); + switch (type) { + case "Number": + case "BigInt": + case "String": + case "Boolean": + case "Date": + case "RegExp": + return; + case "Array": + thing.forEach((value2, i) => { + keys.push(`[${i}]`); + walk(value2); + keys.pop(); + }); + break; + case "Set": + Array.from(thing).forEach(walk); + break; + case "Map": + for (const [key2, value2] of thing) { + keys.push( + `.get(${is_primitive(key2) ? stringify_primitive$1(key2) : "..."})` + ); + walk(value2); + keys.pop(); + } + break; + default: + if (!is_plain_object(thing)) { + throw new DevalueError( + `Cannot stringify arbitrary non-POJOs`, + keys + ); + } + if (Object.getOwnPropertySymbols(thing).length > 0) { + throw new DevalueError( + `Cannot stringify POJOs with symbolic keys`, + keys + ); + } + for (const key2 in thing) { + keys.push(`.${key2}`); + walk(thing[key2]); + keys.pop(); + } + } + } + } + walk(value); + const names = /* @__PURE__ */ new Map(); + Array.from(counts).filter((entry) => entry[1] > 1).sort((a, b) => b[1] - a[1]).forEach((entry, i) => { + names.set(entry[0], get_name(i)); + }); + function stringify2(thing) { + if (names.has(thing)) { + return names.get(thing); + } + if (is_primitive(thing)) { + return stringify_primitive$1(thing); + } + if (custom.has(thing)) { + return custom.get(thing); + } + const type = get_type(thing); + switch (type) { + case "Number": + case "String": + case "Boolean": + return `Object(${stringify2(thing.valueOf())})`; + case "RegExp": + return `new RegExp(${stringify_string(thing.source)}, "${thing.flags}")`; + case "Date": + return `new Date(${thing.getTime()})`; + case "Array": + const members = ( + /** @type {any[]} */ + thing.map( + (v, i) => i in thing ? stringify2(v) : "" + ) + ); + const tail = thing.length === 0 || thing.length - 1 in thing ? "" : ","; + return `[${members.join(",")}${tail}]`; + case "Set": + case "Map": + return `new ${type}([${Array.from(thing).map(stringify2).join(",")}])`; + default: + const obj = `{${Object.keys(thing).map((key2) => `${safe_key(key2)}:${stringify2(thing[key2])}`).join(",")}}`; + const proto = Object.getPrototypeOf(thing); + if (proto === null) { + return Object.keys(thing).length > 0 ? `Object.assign(Object.create(null),${obj})` : `Object.create(null)`; + } + return obj; + } + } + const str = stringify2(value); + if (names.size) { + const params = []; + const statements = []; + const values = []; + names.forEach((name, thing) => { + params.push(name); + if (custom.has(thing)) { + values.push( + /** @type {string} */ + custom.get(thing) + ); + return; + } + if (is_primitive(thing)) { + values.push(stringify_primitive$1(thing)); + return; + } + const type = get_type(thing); + switch (type) { + case "Number": + case "String": + case "Boolean": + values.push(`Object(${stringify2(thing.valueOf())})`); + break; + case "RegExp": + values.push(thing.toString()); + break; + case "Date": + values.push(`new Date(${thing.getTime()})`); + break; + case "Array": + values.push(`Array(${thing.length})`); + thing.forEach((v, i) => { + statements.push(`${name}[${i}]=${stringify2(v)}`); + }); + break; + case "Set": + values.push(`new Set`); + statements.push( + `${name}.${Array.from(thing).map((v) => `add(${stringify2(v)})`).join(".")}` + ); + break; + case "Map": + values.push(`new Map`); + statements.push( + `${name}.${Array.from(thing).map(([k, v]) => `set(${stringify2(k)}, ${stringify2(v)})`).join(".")}` + ); + break; + default: + values.push( + Object.getPrototypeOf(thing) === null ? "Object.create(null)" : "{}" + ); + Object.keys(thing).forEach((key2) => { + statements.push( + `${name}${safe_prop(key2)}=${stringify2(thing[key2])}` + ); + }); + } + }); + statements.push(`return ${str}`); + return `(function(${params.join(",")}){${statements.join( + ";" + )}}(${values.join(",")}))`; + } else { + return str; + } +} +function get_name(num) { + let name = ""; + do { + name = chars$1[num % chars$1.length] + name; + num = ~~(num / chars$1.length) - 1; + } while (num >= 0); + return reserved.test(name) ? `${name}0` : name; +} +function escape_unsafe_char(c) { + return escaped[c] || c; +} +function escape_unsafe_chars(str) { + return str.replace(unsafe_chars, escape_unsafe_char); +} +function safe_key(key2) { + return /^[_$a-zA-Z][_$a-zA-Z0-9]*$/.test(key2) ? key2 : escape_unsafe_chars(JSON.stringify(key2)); +} +function safe_prop(key2) { + return /^[_$a-zA-Z][_$a-zA-Z0-9]*$/.test(key2) ? `.${key2}` : `[${escape_unsafe_chars(JSON.stringify(key2))}]`; +} +function stringify_primitive$1(thing) { + if (typeof thing === "string") + return stringify_string(thing); + if (thing === void 0) + return "void 0"; + if (thing === 0 && 1 / thing < 0) + return "-0"; + const str = String(thing); + if (typeof thing === "number") + return str.replace(/^(-)?0\./, "$1."); + if (typeof thing === "bigint") + return thing + "n"; + return str; +} +const UNDEFINED = -1; +const HOLE = -2; +const NAN = -3; +const POSITIVE_INFINITY = -4; +const NEGATIVE_INFINITY = -5; +const NEGATIVE_ZERO = -6; +function stringify(value, reducers) { + const stringified = []; + const indexes = /* @__PURE__ */ new Map(); + const custom = []; + for (const key2 in reducers) { + custom.push({ key: key2, fn: reducers[key2] }); + } + const keys = []; + let p = 0; + function flatten(thing) { + if (typeof thing === "function") { + throw new DevalueError(`Cannot stringify a function`, keys); + } + if (indexes.has(thing)) + return indexes.get(thing); + if (thing === void 0) + return UNDEFINED; + if (Number.isNaN(thing)) + return NAN; + if (thing === Infinity) + return POSITIVE_INFINITY; + if (thing === -Infinity) + return NEGATIVE_INFINITY; + if (thing === 0 && 1 / thing < 0) + return NEGATIVE_ZERO; + const index2 = p++; + indexes.set(thing, index2); + for (const { key: key2, fn } of custom) { + const value2 = fn(thing); + if (value2) { + stringified[index2] = `["${key2}",${flatten(value2)}]`; + return index2; + } + } + let str = ""; + if (is_primitive(thing)) { + str = stringify_primitive(thing); + } else { + const type = get_type(thing); + switch (type) { + case "Number": + case "String": + case "Boolean": + str = `["Object",${stringify_primitive(thing)}]`; + break; + case "BigInt": + str = `["BigInt",${thing}]`; + break; + case "Date": + str = `["Date","${thing.toISOString()}"]`; + break; + case "RegExp": + const { source, flags } = thing; + str = flags ? `["RegExp",${stringify_string(source)},"${flags}"]` : `["RegExp",${stringify_string(source)}]`; + break; + case "Array": + str = "["; + for (let i = 0; i < thing.length; i += 1) { + if (i > 0) + str += ","; + if (i in thing) { + keys.push(`[${i}]`); + str += flatten(thing[i]); + keys.pop(); + } else { + str += HOLE; + } + } + str += "]"; + break; + case "Set": + str = '["Set"'; + for (const value2 of thing) { + str += `,${flatten(value2)}`; + } + str += "]"; + break; + case "Map": + str = '["Map"'; + for (const [key2, value2] of thing) { + keys.push( + `.get(${is_primitive(key2) ? stringify_primitive(key2) : "..."})` + ); + str += `,${flatten(key2)},${flatten(value2)}`; + } + str += "]"; + break; + default: + if (!is_plain_object(thing)) { + throw new DevalueError( + `Cannot stringify arbitrary non-POJOs`, + keys + ); + } + if (Object.getOwnPropertySymbols(thing).length > 0) { + throw new DevalueError( + `Cannot stringify POJOs with symbolic keys`, + keys + ); + } + if (Object.getPrototypeOf(thing) === null) { + str = '["null"'; + for (const key2 in thing) { + keys.push(`.${key2}`); + str += `,${stringify_string(key2)},${flatten(thing[key2])}`; + keys.pop(); + } + str += "]"; + } else { + str = "{"; + let started = false; + for (const key2 in thing) { + if (started) + str += ","; + started = true; + keys.push(`.${key2}`); + str += `${stringify_string(key2)}:${flatten(thing[key2])}`; + keys.pop(); + } + str += "}"; + } + } + } + stringified[index2] = str; + return index2; + } + const index = flatten(value); + if (index < 0) + return `${index}`; + return `[${stringified.join(",")}]`; +} +function stringify_primitive(thing) { + const type = typeof thing; + if (type === "string") + return stringify_string(thing); + if (thing instanceof String) + return stringify_string(thing.toString()); + if (thing === void 0) + return UNDEFINED.toString(); + if (thing === 0 && 1 / thing < 0) + return NEGATIVE_ZERO.toString(); + if (type === "bigint") + return `["BigInt","${thing}"]`; + return String(thing); +} +function is_action_json_request(event) { + const accept = negotiate(event.request.headers.get("accept") ?? "*/*", [ + "application/json", + "text/html" + ]); + return accept === "application/json" && event.request.method === "POST"; +} +async function handle_action_json_request(event, options2, server) { + const actions = server?.actions; + if (!actions) { + const no_actions_error = new SvelteKitError( + 405, + "Method Not Allowed", + "POST method not allowed. No actions exist for this page" + ); + return action_json( + { + type: "error", + error: await handle_error_and_jsonify(event, options2, no_actions_error) + }, + { + status: no_actions_error.status, + headers: { + // https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/405 + // "The server must generate an Allow header field in a 405 status code response" + allow: "GET" + } + } + ); + } + check_named_default_separate(actions); + try { + const data = await call_action(event, actions); + if (false) + ; + if (data instanceof ActionFailure) { + return action_json({ + type: "failure", + status: data.status, + // @ts-expect-error we assign a string to what is supposed to be an object. That's ok + // because we don't use the object outside, and this way we have better code navigation + // through knowing where the related interface is used. + data: stringify_action_response( + data.data, + /** @type {string} */ + event.route.id + ) + }); + } else { + return action_json({ + type: "success", + status: data ? 200 : 204, + // @ts-expect-error see comment above + data: stringify_action_response( + data, + /** @type {string} */ + event.route.id + ) + }); + } + } catch (e) { + const err = normalize_error(e); + if (err instanceof Redirect) { + return action_json_redirect(err); + } + return action_json( + { + type: "error", + error: await handle_error_and_jsonify(event, options2, check_incorrect_fail_use(err)) + }, + { + status: get_status(err) + } + ); + } +} +function check_incorrect_fail_use(error) { + return error instanceof ActionFailure ? new Error('Cannot "throw fail()". Use "return fail()"') : error; +} +function action_json_redirect(redirect) { + return action_json({ + type: "redirect", + status: redirect.status, + location: redirect.location + }); +} +function action_json(data, init2) { + return json(data, init2); +} +function is_action_request(event) { + return event.request.method === "POST"; +} +async function handle_action_request(event, server) { + const actions = server?.actions; + if (!actions) { + event.setHeaders({ + // https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/405 + // "The server must generate an Allow header field in a 405 status code response" + allow: "GET" + }); + return { + type: "error", + error: new SvelteKitError( + 405, + "Method Not Allowed", + "POST method not allowed. No actions exist for this page" + ) + }; + } + check_named_default_separate(actions); + try { + const data = await call_action(event, actions); + if (false) + ; + if (data instanceof ActionFailure) { + return { + type: "failure", + status: data.status, + data: data.data + }; + } else { + return { + type: "success", + status: 200, + // @ts-expect-error this will be removed upon serialization, so `undefined` is the same as omission + data + }; + } + } catch (e) { + const err = normalize_error(e); + if (err instanceof Redirect) { + return { + type: "redirect", + status: err.status, + location: err.location + }; + } + return { + type: "error", + error: check_incorrect_fail_use(err) + }; + } +} +function check_named_default_separate(actions) { + if (actions.default && Object.keys(actions).length > 1) { + throw new Error( + "When using named actions, the default action cannot be used. See the docs for more info: https://kit.svelte.dev/docs/form-actions#named-actions" + ); + } +} +async function call_action(event, actions) { + const url = new URL(event.request.url); + let name = "default"; + for (const param of url.searchParams) { + if (param[0].startsWith("/")) { + name = param[0].slice(1); + if (name === "default") { + throw new Error('Cannot use reserved action name "default"'); + } + break; + } + } + const action = actions[name]; + if (!action) { + throw new SvelteKitError(404, "Not Found", `No action with name '${name}' found`); + } + if (!is_form_content_type(event.request)) { + throw new SvelteKitError( + 415, + "Unsupported Media Type", + `Form actions expect form-encoded data — received ${event.request.headers.get( + "content-type" + )}` + ); + } + return action(event); +} +function validate_action_return(data) { + if (data instanceof Redirect) { + throw new Error("Cannot `return redirect(...)` — use `redirect(...)` instead"); + } + if (data instanceof HttpError) { + throw new Error("Cannot `return error(...)` — use `error(...)` or `return fail(...)` instead"); + } +} +function uneval_action_response(data, route_id) { + return try_deserialize(data, uneval, route_id); +} +function stringify_action_response(data, route_id) { + return try_deserialize(data, stringify, route_id); +} +function try_deserialize(data, fn, route_id) { + try { + return fn(data); + } catch (e) { + const error = ( + /** @type {any} */ + e + ); + if ("path" in error) { + let message = `Data returned from action inside ${route_id} is not serializable: ${error.message}`; + if (error.path !== "") + message += ` (data.${error.path})`; + throw new Error(message); + } + throw error; + } +} +const INVALIDATED_PARAM = "x-sveltekit-invalidated"; +const TRAILING_SLASH_PARAM = "x-sveltekit-trailing-slash"; +function b64_encode(buffer) { + if (globalThis.Buffer) { + return Buffer.from(buffer).toString("base64"); + } + const little_endian = new Uint8Array(new Uint16Array([1]).buffer)[0] > 0; + return btoa( + new TextDecoder(little_endian ? "utf-16le" : "utf-16be").decode( + new Uint16Array(new Uint8Array(buffer)) + ) + ); +} +async function load_server_data({ event, state, node, parent }) { + if (!node?.server) + return null; + let is_tracking = true; + const uses = { + dependencies: /* @__PURE__ */ new Set(), + params: /* @__PURE__ */ new Set(), + parent: false, + route: false, + url: false, + search_params: /* @__PURE__ */ new Set() + }; + const url = make_trackable( + event.url, + () => { + if (is_tracking) { + uses.url = true; + } + }, + (param) => { + if (is_tracking) { + uses.search_params.add(param); + } + } + ); + if (state.prerendering) { + disable_search(url); + } + const result = await node.server.load?.call(null, { + ...event, + fetch: (info, init2) => { + new URL(info instanceof Request ? info.url : info, event.url); + return event.fetch(info, init2); + }, + /** @param {string[]} deps */ + depends: (...deps) => { + for (const dep of deps) { + const { href } = new URL(dep, event.url); + uses.dependencies.add(href); + } + }, + params: new Proxy(event.params, { + get: (target, key2) => { + if (is_tracking) { + uses.params.add(key2); + } + return target[ + /** @type {string} */ + key2 + ]; + } + }), + parent: async () => { + if (is_tracking) { + uses.parent = true; + } + return parent(); + }, + route: new Proxy(event.route, { + get: (target, key2) => { + if (is_tracking) { + uses.route = true; + } + return target[ + /** @type {'id'} */ + key2 + ]; + } + }), + url, + untrack(fn) { + is_tracking = false; + try { + return fn(); + } finally { + is_tracking = true; + } + } + }); + return { + type: "data", + data: result ?? null, + uses, + slash: node.server.trailingSlash + }; +} +async function load_data({ + event, + fetched, + node, + parent, + server_data_promise, + state, + resolve_opts, + csr +}) { + const server_data_node = await server_data_promise; + if (!node?.universal?.load) { + return server_data_node?.data ?? null; + } + const result = await node.universal.load.call(null, { + url: event.url, + params: event.params, + data: server_data_node?.data ?? null, + route: event.route, + fetch: create_universal_fetch(event, state, fetched, csr, resolve_opts), + setHeaders: event.setHeaders, + depends: () => { + }, + parent, + untrack: (fn) => fn() + }); + return result ?? null; +} +function create_universal_fetch(event, state, fetched, csr, resolve_opts) { + const universal_fetch = async (input, init2) => { + const cloned_body = input instanceof Request && input.body ? input.clone().body : null; + const cloned_headers = input instanceof Request && [...input.headers].length ? new Headers(input.headers) : init2?.headers; + let response = await event.fetch(input, init2); + const url = new URL(input instanceof Request ? input.url : input, event.url); + const same_origin = url.origin === event.url.origin; + let dependency; + if (same_origin) { + if (state.prerendering) { + dependency = { response, body: null }; + state.prerendering.dependencies.set(url.pathname, dependency); + } + } else { + const mode = input instanceof Request ? input.mode : init2?.mode ?? "cors"; + if (mode === "no-cors") { + response = new Response("", { + status: response.status, + statusText: response.statusText, + headers: response.headers + }); + } else { + const acao = response.headers.get("access-control-allow-origin"); + if (!acao || acao !== event.url.origin && acao !== "*") { + throw new Error( + `CORS error: ${acao ? "Incorrect" : "No"} 'Access-Control-Allow-Origin' header is present on the requested resource` + ); + } + } + } + const proxy = new Proxy(response, { + get(response2, key2, _receiver) { + async function push_fetched(body2, is_b64) { + const status_number = Number(response2.status); + if (isNaN(status_number)) { + throw new Error( + `response.status is not a number. value: "${response2.status}" type: ${typeof response2.status}` + ); + } + fetched.push({ + url: same_origin ? url.href.slice(event.url.origin.length) : url.href, + method: event.request.method, + request_body: ( + /** @type {string | ArrayBufferView | undefined} */ + input instanceof Request && cloned_body ? await stream_to_string(cloned_body) : init2?.body + ), + request_headers: cloned_headers, + response_body: body2, + response: response2, + is_b64 + }); + } + if (key2 === "arrayBuffer") { + return async () => { + const buffer = await response2.arrayBuffer(); + if (dependency) { + dependency.body = new Uint8Array(buffer); + } + if (buffer instanceof ArrayBuffer) { + await push_fetched(b64_encode(buffer), true); + } + return buffer; + }; + } + async function text2() { + const body2 = await response2.text(); + if (!body2 || typeof body2 === "string") { + await push_fetched(body2, false); + } + if (dependency) { + dependency.body = body2; + } + return body2; + } + if (key2 === "text") { + return text2; + } + if (key2 === "json") { + return async () => { + return JSON.parse(await text2()); + }; + } + return Reflect.get(response2, key2, response2); + } + }); + if (csr) { + const get = response.headers.get; + response.headers.get = (key2) => { + const lower = key2.toLowerCase(); + const value = get.call(response.headers, lower); + if (value && !lower.startsWith("x-sveltekit-")) { + const included = resolve_opts.filterSerializedResponseHeaders(lower, value); + if (!included) { + throw new Error( + `Failed to get response header "${lower}" — it must be included by the \`filterSerializedResponseHeaders\` option: https://kit.svelte.dev/docs/hooks#server-hooks-handle (at ${event.route.id})` + ); + } + } + return value; + }; + } + return proxy; + }; + return (input, init2) => { + const response = universal_fetch(input, init2); + response.catch(() => { + }); + return response; + }; +} +async function stream_to_string(stream) { + let result = ""; + const reader = stream.getReader(); + const decoder = new TextDecoder(); + while (true) { + const { done, value } = await reader.read(); + if (done) { + break; + } + result += decoder.decode(value); + } + return result; +} +function hash(...values) { + let hash2 = 5381; + for (const value of values) { + if (typeof value === "string") { + let i = value.length; + while (i) + hash2 = hash2 * 33 ^ value.charCodeAt(--i); + } else if (ArrayBuffer.isView(value)) { + const buffer = new Uint8Array(value.buffer, value.byteOffset, value.byteLength); + let i = buffer.length; + while (i) + hash2 = hash2 * 33 ^ buffer[--i]; + } else { + throw new TypeError("value must be a string or TypedArray"); + } + } + return (hash2 >>> 0).toString(36); +} +const escape_html_attr_dict = { + "&": "&", + '"': """ +}; +const escape_html_attr_regex = new RegExp( + // special characters + `[${Object.keys(escape_html_attr_dict).join("")}]|[\\ud800-\\udbff](?![\\udc00-\\udfff])|[\\ud800-\\udbff][\\udc00-\\udfff]|[\\udc00-\\udfff]`, + "g" +); +function escape_html_attr(str) { + const escaped_str = str.replace(escape_html_attr_regex, (match) => { + if (match.length === 2) { + return match; + } + return escape_html_attr_dict[match] ?? `&#${match.charCodeAt(0)};`; + }); + return `"${escaped_str}"`; +} +const replacements = { + "<": "\\u003C", + "\u2028": "\\u2028", + "\u2029": "\\u2029" +}; +const pattern = new RegExp(`[${Object.keys(replacements).join("")}]`, "g"); +function serialize_data(fetched, filter, prerendering2 = false) { + const headers2 = {}; + let cache_control = null; + let age = null; + let varyAny = false; + for (const [key2, value] of fetched.response.headers) { + if (filter(key2, value)) { + headers2[key2] = value; + } + if (key2 === "cache-control") + cache_control = value; + else if (key2 === "age") + age = value; + else if (key2 === "vary" && value.trim() === "*") + varyAny = true; + } + const payload = { + status: fetched.response.status, + statusText: fetched.response.statusText, + headers: headers2, + body: fetched.response_body + }; + const safe_payload = JSON.stringify(payload).replace(pattern, (match) => replacements[match]); + const attrs = [ + 'type="application/json"', + "data-sveltekit-fetched", + `data-url=${escape_html_attr(fetched.url)}` + ]; + if (fetched.is_b64) { + attrs.push("data-b64"); + } + if (fetched.request_headers || fetched.request_body) { + const values = []; + if (fetched.request_headers) { + values.push([...new Headers(fetched.request_headers)].join(",")); + } + if (fetched.request_body) { + values.push(fetched.request_body); + } + attrs.push(`data-hash="${hash(...values)}"`); + } + if (!prerendering2 && fetched.method === "GET" && cache_control && !varyAny) { + const match = /s-maxage=(\d+)/g.exec(cache_control) ?? /max-age=(\d+)/g.exec(cache_control); + if (match) { + const ttl = +match[1] - +(age ?? "0"); + attrs.push(`data-ttl="${ttl}"`); + } + } + return ` + + + + diff --git a/frontend/src/lib/components/Background.frag b/frontend/src/lib/components/Background.frag new file mode 100644 index 0000000..61507c5 --- /dev/null +++ b/frontend/src/lib/components/Background.frag @@ -0,0 +1,61 @@ +precision highp float; + +varying vec2 vUv; + +const float PI = 3.14159265359; + +uniform float width; +uniform float height; +uniform float cx; +uniform float cy; +uniform float cz; +uniform float minZ; +uniform float maxZ; + +float grid(float x, float y, float divisions, float thickness) { + x = fract(x * divisions); + x = min(x, 1.0 - x); + + float xdelta = fwidth(x); + x = smoothstep(x - xdelta, x + xdelta, thickness); + + y = fract(y * divisions); + y = min(y, 1.0 - y); + + float ydelta = fwidth(y); + y = smoothstep(y - ydelta, y + ydelta, thickness); + + return clamp(x + y, 0.0, 1.0); +} + +float circle_grid(float x, float y, float divisions, float circleRadius) { + + float gridX = mod(x + divisions/2.0, divisions) - divisions / 2.0; + float gridY = mod(y + divisions/2.0, divisions) - divisions / 2.0; + + // Calculate the distance from the center of the grid + float gridDistance = length(vec2(gridX, gridY)); + + // Use smoothstep to create a smooth transition at the edges of the circle + float circle = 1.0 - smoothstep(circleRadius - 0.5, circleRadius + 0.5, gridDistance); + + return circle; +} + +void main(void) { + float divisions = 0.1/cz; + float thickness = 0.05/cz; + float delta = 0.1 / 2.0; + + float ux = (vUv.x-0.5) * width + cx*cz; + float uy = (vUv.y-0.5) * height - cy*cz; + + float c1 = grid(ux, uy, divisions, thickness) * 0.1; + float c2 = grid(ux, uy, divisions*2.0, thickness) * 0.1; + float c = max(c1, c2); + + float s1 = circle_grid(ux, uy, cz*10.0, 2.0) * 0.2; + c = max(c, s1); + + gl_FragColor = vec4(c, c, c, 1.0); +} diff --git a/frontend/src/lib/components/Background.vert b/frontend/src/lib/components/Background.vert new file mode 100644 index 0000000..c810170 --- /dev/null +++ b/frontend/src/lib/components/Background.vert @@ -0,0 +1,15 @@ +varying vec2 vUv; +varying vec3 vPosition; + +void main() { + + vUv = uv; + + vec4 modelPosition = modelMatrix * vec4(position, 1.0); + + vec4 viewPosition = viewMatrix * modelPosition; + vec4 projectedPosition = projectionMatrix * viewPosition; + + gl_Position = projectedPosition; +} + diff --git a/frontend/src/lib/components/Edge.svelte b/frontend/src/lib/components/Edge.svelte new file mode 100644 index 0000000..06a83d5 --- /dev/null +++ b/frontend/src/lib/components/Edge.svelte @@ -0,0 +1,52 @@ + + + + + + diff --git a/frontend/src/lib/components/Scene.svelte b/frontend/src/lib/components/Scene.svelte new file mode 100644 index 0000000..4425acc --- /dev/null +++ b/frontend/src/lib/components/Scene.svelte @@ -0,0 +1,255 @@ + + + + +{#if true} + + + + + + +{/if} + + + + + + + + + + + + +{#each edges as edge} + +{/each} + + +
+ {#each graph.nodes as node} +
+ {node.id} +
+ {/each} +
+ + + diff --git a/frontend/src/lib/components/nodes/Output.svelte b/frontend/src/lib/components/nodes/Output.svelte new file mode 100644 index 0000000..d764c3c --- /dev/null +++ b/frontend/src/lib/components/nodes/Output.svelte @@ -0,0 +1,11 @@ + + + + +

output

diff --git a/frontend/src/lib/components/nodes/Test.svelte b/frontend/src/lib/components/nodes/Test.svelte new file mode 100644 index 0000000..93e784c --- /dev/null +++ b/frontend/src/lib/components/nodes/Test.svelte @@ -0,0 +1,11 @@ + + + + + diff --git a/frontend/src/lib/components/nodes/index.ts b/frontend/src/lib/components/nodes/index.ts new file mode 100644 index 0000000..a53f827 --- /dev/null +++ b/frontend/src/lib/components/nodes/index.ts @@ -0,0 +1,6 @@ +import Test from './Test.svelte'; +import Output from './Output.svelte'; +export const nodes = { + test: Test, + output: Output, +} as const; diff --git a/frontend/src/lib/index.ts b/frontend/src/lib/index.ts new file mode 100644 index 0000000..856f2b6 --- /dev/null +++ b/frontend/src/lib/index.ts @@ -0,0 +1 @@ +// place files you want to import through the `$lib` alias in this folder. diff --git a/frontend/src/lib/stores/settings.ts b/frontend/src/lib/stores/settings.ts new file mode 100644 index 0000000..4d2e99f --- /dev/null +++ b/frontend/src/lib/stores/settings.ts @@ -0,0 +1,5 @@ +import { writable } from "svelte/store"; + +export const settings = writable({ + useHtml: false +}); diff --git a/frontend/src/lib/types.ts b/frontend/src/lib/types.ts new file mode 100644 index 0000000..337fd51 --- /dev/null +++ b/frontend/src/lib/types.ts @@ -0,0 +1,34 @@ +import { nodes } from "$lib/components/nodes" + +export type Node = { + id: string; + type: keyof typeof nodes; + props?: Record, + tmp?: { + downX?: number; + downY?: number; + visible?: boolean; + }, + meta?: { + title?: string; + lastModified?: string; + }, + position: { + x: number; + y: number; + } +} + +export type Edge = { + from: string; + to: string; +} + +export type Graph = { + meta?: { + title?: string; + lastModified?: string; + }, + nodes: Node[]; + edges: Edge[]; +} diff --git a/frontend/src/routes/+layout.svelte b/frontend/src/routes/+layout.svelte new file mode 100644 index 0000000..ee5c896 --- /dev/null +++ b/frontend/src/routes/+layout.svelte @@ -0,0 +1,5 @@ + + + diff --git a/frontend/src/routes/+layout.ts b/frontend/src/routes/+layout.ts new file mode 100644 index 0000000..a032602 --- /dev/null +++ b/frontend/src/routes/+layout.ts @@ -0,0 +1,2 @@ +export const prerender = true +export const ssr = false diff --git a/frontend/src/routes/+page.svelte b/frontend/src/routes/+page.svelte new file mode 100644 index 0000000..8664dfc --- /dev/null +++ b/frontend/src/routes/+page.svelte @@ -0,0 +1,47 @@ + + +
+ +
+ + diff --git a/frontend/src/routes/app.css b/frontend/src/routes/app.css new file mode 100644 index 0000000..6e439ab --- /dev/null +++ b/frontend/src/routes/app.css @@ -0,0 +1,25 @@ +/* fira-code-300 - latin */ +@font-face { + font-display: swap; + /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */ + font-family: 'Fira Code'; + font-style: normal; + font-weight: 300; + src: url('/fonts/fira-code-v22-latin-300.woff2') format('woff2'); + /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */ +} + +/* fira-code-600 - latin */ +@font-face { + font-display: swap; + /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */ + font-family: 'Fira Code'; + font-style: normal; + font-weight: 600; + src: url('/fonts/fira-code-v22-latin-600.woff2') format('woff2'); + /* Chrome 36+, Opera 23+, Firefox 39+, Safari 12+, iOS 10+ */ +} + +:root { + font-family: 'Fira Code', monospace; +} diff 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at end of file diff --git a/frontend/static/tauri.svg b/frontend/static/tauri.svg new file mode 100644 index 0000000..31b62c9 --- /dev/null +++ b/frontend/static/tauri.svg @@ -0,0 +1,6 @@ + + + + + + diff --git a/frontend/static/vite.svg b/frontend/static/vite.svg new file mode 100644 index 0000000..e7b8dfb --- /dev/null +++ b/frontend/static/vite.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/frontend/svelte.config.js b/frontend/svelte.config.js new file mode 100644 index 0000000..78a97fe --- /dev/null +++ b/frontend/svelte.config.js @@ -0,0 +1,18 @@ +import adapter from '@sveltejs/adapter-static'; +import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'; + +/** @type {import('@sveltejs/kit').Config} */ +const config = { + // Consult https://kit.svelte.dev/docs/integrations#preprocessors + // for more information about preprocessors + preprocess: vitePreprocess(), + + kit: { + // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list. + // If your environment is not supported or you settled on a specific environment, switch out the adapter. + // See https://kit.svelte.dev/docs/adapters for more information about adapters. + adapter: adapter() + } +}; + +export default config; diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json new file mode 100644 index 0000000..4a58151 --- /dev/null +++ b/frontend/tsconfig.json @@ -0,0 +1,21 @@ +{ + "extends": "./.svelte-kit/tsconfig.json", + "compilerOptions": { + "allowJs": true, + "checkJs": true, + "esModuleInterop": true, + "forceConsistentCasingInFileNames": true, + "resolveJsonModule": true, + "skipLibCheck": true, + "sourceMap": true, + "strict": true, + "moduleResolution": "bundler", + "types": [ + "vite-plugin-glsl/ext" + ] + } + // Path aliases are handled by https://kit.svelte.dev/docs/configuration#alias + // + // If you want to overwrite includes/excludes, make sure to copy over the relevant includes/excludes + // from the referenced tsconfig.json - TypeScript does not merge them in +} diff --git a/frontend/tsconfig.node.json b/frontend/tsconfig.node.json new file mode 100644 index 0000000..494bfe0 --- /dev/null +++ b/frontend/tsconfig.node.json @@ -0,0 +1,9 @@ +{ + "compilerOptions": { + "composite": true, + "skipLibCheck": true, + "module": "ESNext", + "moduleResolution": "bundler" + }, + "include": ["vite.config.ts"] +} diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts new file mode 100644 index 0000000..eb1af45 --- /dev/null +++ b/frontend/vite.config.ts @@ -0,0 +1,10 @@ +import { sveltekit } from '@sveltejs/kit/vite' +import { defineConfig } from 'vite' +import glsl from "vite-plugin-glsl"; + +export default defineConfig({ + plugins: [sveltekit(), glsl()], + ssr: { + noExternal: ['three'], + } +})