private void Init()
        {
            mVelocity = new Vector3(0, 0, 0);
            mPrimitive = null;
            mPivotVisible = false;

            mXFormInfo = new UWB_XFormInfo();
            mChildNodes = new UWB_Array<UWB_SceneNode>();
        }
 public UWB_PrimitiveList()
 {
     mBounds = new UWB_BoundingBox();
     mList = new UWB_Array<UWB_Primitive>();
 }