public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
System.err.println("clicked: " + inputStates.getCurrent().getMouseState().getClickCounts());
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new MouseButtonPressedCondition(MouseButton.LEFT),
new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputState, final double tpf) {
if (_mouseManager.isSetGrabbedSupported()) {
_mouseManager.setGrabbed(GrabbedState.GRABBED);