_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.V), new TriggerAction() {
public void perform(final Canvas source, final TwoInputStates inputStates, final double tpf) {
final Transform t = new Transform();
t.setScale(MathUtils.nextRandomDouble() * 4.9 + 0.1);
t.translate(MathUtils.nextRandomDouble() * 500 - 250, MathUtils.nextRandomDouble() * 500 - 250, 0);
addBubble(t);
}
}));
_logicalLayer.registerTrigger(new InputTrigger(new KeyPressedCondition(Key.ZERO), new TriggerAction() {