Add existing to tracked

node_modules/@cesium/engine/Source/Workers/createVerticesFromCesium3DTilesTerrain.js

@@ -0,0 +1,46 @@
+import Cesium3DTilesTerrainGeometryProcessor from "../Core/Cesium3DTilesTerrainGeometryProcessor.js";
+import createTaskProcessorWorker from "./createTaskProcessorWorker.js";
+
+/**
+ * @private
+ *
+ * @param {Cesium3DTilesTerrainGeometryProcessor.CreateMeshOptions} options An object describing options for mesh creation.
+ * @param {ArrayBuffer[]} transferableObjects An array of buffers that can be transferred back to the main thread.
+ * @returns {Promise<object>} A promise that resolves to an object containing selected info from the created TerrainMesh.
+ */
+function createVerticesFromCesium3DTilesTerrain(options, transferableObjects) {
+  const meshPromise = Cesium3DTilesTerrainGeometryProcessor.createMesh(options);
+  return meshPromise.then(function (mesh) {
+    const verticesBuffer = mesh.vertices.buffer;
+    const indicesBuffer = mesh.indices.buffer;
+    const westIndicesBuffer = mesh.westIndicesSouthToNorth.buffer;
+    const southIndicesBuffer = mesh.southIndicesEastToWest.buffer;
+    const eastIndicesBuffer = mesh.eastIndicesNorthToSouth.buffer;
+    const northIndicesBuffer = mesh.northIndicesWestToEast.buffer;
+
+    transferableObjects.push(
+      verticesBuffer,
+      indicesBuffer,
+      westIndicesBuffer,
+      southIndicesBuffer,
+      eastIndicesBuffer,
+      northIndicesBuffer,
+    );
+
+    return {
+      verticesBuffer: verticesBuffer,
+      indicesBuffer: indicesBuffer,
+      vertexCountWithoutSkirts: mesh.vertexCountWithoutSkirts,
+      indexCountWithoutSkirts: mesh.indexCountWithoutSkirts,
+      encoding: mesh.encoding,
+      westIndicesBuffer: westIndicesBuffer,
+      southIndicesBuffer: southIndicesBuffer,
+      eastIndicesBuffer: eastIndicesBuffer,
+      northIndicesBuffer: northIndicesBuffer,
+    };
+  });
+}
+
+export default createTaskProcessorWorker(
+  createVerticesFromCesium3DTilesTerrain,
+);