feat: first working version with parameters

packages/utils/src/nodes.rs

@@ -0,0 +1,18 @@
+use crate::encoding;
+
+pub fn math_node(args: &[i32]) -> (i32, i32) {
+    let math_type = args[0];
+
+    let a = encoding::decode_float(args[1], args[2]);
+    let b = encoding::decode_float(args[3], args[4]);
+
+    let result = match math_type {
+        0 => a + b,
+        1 => a - b,
+        2 => a * b,
+        3 => a / b,
+        _ => 0.0,
+    };
+
+    encoding::encode_float(result)
+}