public static TouchPadEvent move(Touch touch) {
   TouchPadEvent event = new TouchPadEvent();
   event.dt = touch.dt;
   event.dx = touch.dx;
   event.dy = touch.dy;
   return event;
 }
 public static TouchPadEvent drag(Touch touch) {
   TouchPadEvent event = new TouchPadEvent();
   event.dt = touch.dt;
   event.dx = touch.dx;
   event.dy = touch.dy;
   event.button1 = true;
   return event;
 }