// 새로운 볼 생성
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
Ball NewBall = Ball.Create((int) event.getX(), (int) event.getY(), RAD);
arBall.add(NewBall);
invalidate();
return true;
}
return false;
}
