add client/worker sync test

src/mesh/model.js

@@ -52,6 +52,20 @@ mesh.model = class MeshModel extends mesh.object {
         return this.mesh;
     }
 
+    sync() {
+        moto.client.fn.model_sync({
+            vertices: this.mesh.geometry.attributes.position.array,
+            matrix: this.mesh.matrixWorld.elements
+        }).then(data => {
+            console.log({data: data[0]});
+            // mesh.api.group.new([new mesh.model({
+            //     file: "synth",
+            //     mesh: data[0]
+            // })]);
+            this.load(data[0]);
+        });
+    }
+
     load(vertices, indices) {
         let geo = new THREE.BufferGeometry();
         if (indices) geo.setIndex(new THREE.BufferAttribute(indices, 1));

src/mesh/work.js

@@ -14,6 +14,23 @@ gapp.finalize("mesh.work", [
     "moto.client",  // dep: moto.client
     "moto.worker",  // dep: moto.worker
     "mesh.tool",    // dep: mesh.tool
+    "add.three",    // dep: add.three
 ]);
 
+// compensation for space/world/platform rotation
+let space_rotation = new THREE.Matrix4().makeRotationX(Math.PI / 2);
+
+moto.worker.bind("model_sync", (data, send) => {
+    let { vertices, matrix } = data;
+    console.log('model_sync', {vertices, matrix, send});
+    let geo = new THREE.BufferGeometry();
+    geo.setAttribute('position', new THREE.BufferAttribute(vertices, 3));
+    geo.setAttribute('normal', undefined);
+    geo.computeFaceNormals();
+    geo.computeVertexNormals();
+    let m4 = space_rotation.clone().multiply( new THREE.Matrix4().fromArray(matrix) );
+    geo.applyMatrix4(m4);
+    send.done(geo.attributes.position.array);
+});
+
 })();