1 files changed, 38 insertions, 38 deletions

diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index 3c93b2b7..228c0d94 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -437,15 +437,15 @@ World.prototype.getGeomRoot = function()  {
 World.prototype.updateObject = function (obj) {
         if (!this._useWebGL)  return;
 
-    var prims = obj.getPrimitiveArray();
+        var prims = obj.getPrimitiveArray();
         var materialNodes = obj.getMaterialNodeArray();
-    if (prims.length != materialNodes.length)
-        throw new Error("inconsistent material and primitive counts");
-    var nPrims = prims.length;
-    var ctrTrNode;
-    if (nPrims > 0)
+        if (prims.length != materialNodes.length)
+                throw new Error("inconsistent material and primitive counts");
+        var nPrims = prims.length;
+        var ctrTrNode;
+        if (nPrims > 0)
         {
-        ctrTrNode = obj.getTransformNode();
+                ctrTrNode = obj.getTransformNode();
                 if (ctrTrNode == null) {
                         ctrTrNode = RDGE.createTransformNode("objRootNode_" + this._nodeCounter++);
                         this._rootNode.insertAsChild( ctrTrNode );
@@ -459,42 +459,42 @@ World.prototype.updateObject = function (obj) {
                 );
                 ctrTrNode.meshes = [];
 
-        ctrTrNode.attachMeshNode(this.renderer.id + "_prim_" + this._nodeCounter++, prims[0]);
-        ctrTrNode.attachMaterial(materialNodes[0]);
-    }
+                ctrTrNode.attachMeshNode(this.renderer.id + "_prim_" + this._nodeCounter++, prims[0]);
+                ctrTrNode.attachMaterial(materialNodes[0]);
+        }
         
+        // delete all of the child nodes
+        var i;
+        var childTrNode;
         var children = ctrTrNode.children;
-    for (var i = 1; i < nPrims; i++)
+        for (i=0;  i<children.length;  i++)
         {
-        // get the next primitive
-        var prim = prims[i];
-
-        // get a previously created transform node.  If the transform has not been created, create it
-        var childTrNode;
-                if (children && children.length >= i) {
-                        childTrNode = children[i-1].transformNode;
-
-                        childTrNode.meshes.forEach(
-                                function(thisMesh)
-                                {
-                                        RDGE.globals.meshMan.deleteMesh(thisMesh.mesh.name);
-                                }
-                        );
-                        childTrNode.meshes = [];
-                }
-                else
-                {
-                        childTrNode = RDGE.createTransformNode("objNode_" + this._nodeCounter++);
-                        ctrTrNode.insertAsChild(childTrNode);
-                }
+                childTrNode = children[i].transformNode;
+                childTrNode.meshes.forEach(
+                        function(thisMesh)
+                        {
+                                RDGE.globals.meshMan.deleteMesh(thisMesh.mesh.name);
+                        }
+                );
+                childTrNode.meshes = [];
+                children[i] = null;
+        }
+        ctrTrNode.children = [];
 
-        // attach the instanced box goe
-        childTrNode.attachMeshNode(this.renderer.id + "_prim_" + this._nodeCounter++, prim);
-        childTrNode.attachMaterial(materialNodes[i]);
-    }
+        for (var i = 1; i < nPrims; i++)
+        {
+                // get the next primitive
+                var prim = prims[i];
+                childTrNode = RDGE.createTransformNode("objNode_" + this._nodeCounter++);
+                ctrTrNode.insertAsChild(childTrNode);
+
+                // attach the instanced box goe
+                childTrNode.attachMeshNode(this.renderer.id + "_prim_" + this._nodeCounter++, prim);
+                childTrNode.attachMaterial(materialNodes[i]);
+        }
 
-    // send a notification that the tree has changed
-    this._notifier.sendNotification( this._notifier.OBJECT_CHANGE );
+        // send a notification that the tree has changed
+        this._notifier.sendNotification( this._notifier.OBJECT_CHANGE );
 };
 
 World.prototype.addObject = function( obj )