chore: flatten repository to completely erase 255MB history

src/workers/uvWorker.ts

@@ -0,0 +1,49 @@
+import { generatePlanarUVs } from '../core/uv/planarProjection';
+import { generateBoxUVs } from '../core/uv/boxProjection';
+import { generateCylindricalUVs } from '../core/uv/cylindricalProjection';
+
+export type ProjectionType = 'planar' | 'box' | 'cylindrical';
+
+export interface UVWorkerMessage {
+  id: string;
+  positions: Float32Array;
+  normals?: Float32Array;
+  projection: ProjectionType;
+  axis?: 'x' | 'y' | 'z';
+}
+
+export interface UVWorkerResponse {
+  id: string;
+  uvs: Float32Array;
+  error?: string;
+}
+
+self.onmessage = (event: MessageEvent<UVWorkerMessage>) => {
+  const { id, positions, normals, projection, axis } = event.data;
+
+  try {
+    const context = { positions, normals };
+    let uvs: Float32Array;
+
+    switch (projection) {
+      case 'planar':
+        uvs = generatePlanarUVs(context, axis || 'z');
+        break;
+      case 'box':
+        uvs = generateBoxUVs(context);
+        break;
+      case 'cylindrical':
+        uvs = generateCylindricalUVs(context, axis || 'y');
+        break;
+      default:
+        throw new Error(`Unsupported projection: ${projection}`);
+    }
+
+    // Transfer the ArrayBuffer back to main thread for performance
+    self.postMessage({ id, uvs } as UVWorkerResponse, {
+      transfer: [uvs.buffer],
+    });
+  } catch (error) {
+    self.postMessage({ id, error: String(error) } as UVWorkerResponse);
+  }
+};