 				++nodeId;
 			}
 			
+            _worldToLocalTransforms.length = _localToWorldTransforms.length;
 			_invalidList = false;
 		}
 		

			_nodeToId = null;
			_transforms = null;
			_localToWorldTransforms = null;
			_numChildren = null;
			_idToNode = null;
			_parentId = null;

		private var _idToNode				: Vector.<ISceneNode>
		private var _transforms				: Vector.<Matrix4x4>;
		private var _localToWorldTransforms : Vector.<Matrix4x4>;
        private var _worldToLocalTransforms : Vector.<Matrix4x4>;
		private var _numChildren			: Vector.<uint>;
		private var _firstChildId			: Vector.<uint>;
		private var _parentId				: Vector.<int>;
