animator = new FPSAnimator(drawable, 30);
if (TOOLKIT == Toolkit.NEWT) {
final GLWindow window = (GLWindow) drawable;
window.addWindowListener(new com.jogamp.newt.event.WindowAdapter() {
@Override
public void windowDestroyNotify(com.jogamp.newt.event.WindowEvent arg0) {
animator.stop();
System.exit(0);
}