void controller_OnUpdate(Engine.Platform.Clock obj)
 {
     virtualTextureManager.update();
 }
 public override void stopped(float timelineTime, Engine.Platform.Clock clock)
 {
 }
 public override void update(float timelineTime, Engine.Platform.Clock clock)
 {
 }
 public override void started(float timelineTime, Engine.Platform.Clock clock)
 {
     arrow       = PropSimObject.getElement(Arrow.ArrowBehaviorName) as Arrow;
     arrow.Color = ArrowColor;
 }