public void destroyScene(){
  clearAnimations();
  clearCameras();
  clearLights();
  clearPlugins();
  clearChildren();
  clearFrameCallbacks();
}

public void destroyScene ( ) { clearAnimations ( ) ; clearCameras ( ) ; clearLights ( ) ; clearPlugins ( ) ; clearChildren ( ) ; clearFrameCallbacks ( ) ; }
clears any references the scene is holding for its contents . this does not clear the items themselves as they may be held by some other scene .
