feat: yaaay first stem

app/src/routes/+page.svelte

@@ -5,8 +5,7 @@
   import { RemoteNodeRegistry } from "$lib/node-registry";
   import * as templates from "$lib/graph-templates";
   import type { Graph } from "@nodes/types";
-  import { decode, encode } from "$lib/helpers/flat_tree";
-  import { decodeFloat, encodeFloat } from "$lib/helpers/encode";
+  import { decode, encode, decodeFloat, encodeFloat } from "@nodes/utils";
   import Viewer from "$lib/viewer/Viewer.svelte";
 
   globalThis.decode = decode;
@@ -14,6 +13,41 @@
   globalThis.df = decodeFloat;
   globalThis.en = encodeFloat;
 
+  globalThis.ci = function createIndeces(resX: number, stemLength = 1) {
+    const index = new Uint16Array(resX * (Math.max(stemLength, 1) - 1) * 6);
+
+    for (let i = 0; i < stemLength; i++) {
+      const indexOffset = i * resX * 6;
+      const positionOffset = i * resX;
+      for (let j = 0; j < resX; j++) {
+        const _indexOffset = indexOffset + j * 6;
+        const _positionOffset = positionOffset + j;
+
+        console.log(`iio: ${_indexOffset} pio: ${_positionOffset} j: ${j}`);
+
+        if (j === resX - 1) {
+          index[_indexOffset + 0] = _positionOffset + 1;
+          index[_indexOffset + 1] = _positionOffset - resX + 1;
+          index[_indexOffset + 2] = _positionOffset;
+
+          index[_indexOffset + 3] = _positionOffset;
+          index[_indexOffset + 4] = _positionOffset + resX;
+          index[_indexOffset + 5] = _positionOffset + 1;
+        } else {
+          index[_indexOffset + 0] = _positionOffset + resX + 1;
+          index[_indexOffset + 1] = _positionOffset + 1;
+          index[_indexOffset + 2] = _positionOffset;
+
+          index[_indexOffset + 3] = _positionOffset;
+          index[_indexOffset + 4] = _positionOffset + resX;
+          index[_indexOffset + 5] = _positionOffset + resX + 1;
+        }
+      }
+    }
+
+    return index;
+  };
+
   const nodeRegistry = new RemoteNodeRegistry("http://localhost:3001");
   const runtimeExecutor = new MemoryRuntimeExecutor(nodeRegistry);
 
@@ -28,7 +62,7 @@
     let a = performance.now();
     res = runtimeExecutor.execute(event.detail);
     time = performance.now() - a;
-    console.log(res);
+    console.log({ res, time });
   }
 
   function handleSave(event: CustomEvent<Graph>) {