boolean tap (int x, int y) {
focus(null, 0);
if (!super.touchDown(x, y, 0)) return false;
Actor actor = focusedActor[0];
toLocalCoordinates(actor, point);
actor.touchUp(point.x, point.y, 0);
return true;
}
public void toLocalCoordinates (Actor actor, Vector2 point) {
if (actor.parent == this) return;