persist object scale / rotation / position

src/mesh/build.js

@@ -393,7 +393,7 @@ function ui_build() {
         selection_scale: defer_selection,
         selection_rotate: defer_selection,
         selection_qrotate: defer_selection,
-    })
+    });
 }
 
 })();

src/mesh/group.js

@@ -77,10 +77,8 @@ mesh.group = class MeshGroup extends mesh.object {
         // auto-remove group when empty
         if (this.group.children.length === 0) {
             mesh.api.group.remove(this);
-            // update worker state
-            worker.object_destroy({id: this.id});
-            // update object store
-            mesh.db.space.remove(this.id);
+            // manage lifecycle with worker, mesh app caches, etc
+            this.destroy();
         } else {
             // update data store
             mesh.db.space.put(this.id, this.models.map(m => m.id));

src/mesh/model.js

@@ -219,16 +219,15 @@ mesh.model = class MeshModel extends mesh.object {
             this.group = undefined;
             this.removed = 'pending';
         } else {
-            // update worker state
-            worker.object_destroy({id: this.id});
-            // update object store
-            mesh.db.space.remove(this.id);
+            // manage lifecycle with worker, mesh app caches, etc
+            this.destroy();
             // tag removed for debugging
             this.removed = 'complete';
         }
     }
 
     updateBoundsBox() {
+        this.updateMatrix();
         mesh.util.defer(this.group.deferUBB);
     }
 

src/mesh/object.js

@@ -7,6 +7,7 @@
 gapp.register("mesh.object", [
     "add.three",    // dep: add.three
     "moto.license", // dep: moto.license
+    "moto.broker",  // dep: moto.broker
     "mesh.api",     // dep: mesh.api
 ]);
 
@@ -16,6 +17,12 @@ if (mesh.object) return;
 let space = moto.Space;
 let worker = moto.client.fn;
 
+// broker updates generated by objects
+let publish = {
+    matrix: gapp.broker.bind("object_matrix"),
+    destroy: gapp.broker.bind("object_destroy"),
+};
+
 mesh.object = class MeshObject {
 
     constructor(id) {
@@ -37,8 +44,30 @@ mesh.object = class MeshObject {
         return mesh.util.bounds(this.object);
     }
 
+    // manage lifecycle with worker, mesh app caches, etc
+    destroy() {
+        // update worker state
+        worker.object_destroy({id: this.id});
+        // update object store
+        mesh.db.space.remove(this.id);
+        // main app cache workspace updates
+        publish.destroy(this.id);
+    }
+
+    updateMatrix() {
+        publish.matrix({ id: this.id, matrix: this.object.matrix });
+    }
+
+    applyMatrix(elements) {
+        if (elements) {
+            this.object.applyMatrix4(new THREE.Matrix4().fromArray(elements));
+        }
+        return this;
+    }
+
     focus() {
         mesh.api.focus(this.object);
+        return this;
     }
 
     floor() {
@@ -132,6 +161,7 @@ mesh.object = class MeshObject {
     }
 
     updateBoundsBox() {
+        this.updateMatrix();
         let helper = this._boundsBox;
         let world = space.world;
         if (helper) {