// 새로운 볼 생성 static Ball Create(int x, int y, int Rad) { Random Rnd = new Random(); Ball NewBall = new Ball(); NewBall.x = x; NewBall.y = y; NewBall.rad = Rad; do { NewBall.dx = Rnd.nextInt(11) - 5; NewBall.dy = Rnd.nextInt(11) - 5; } while (NewBall.dx == 0 || NewBall.dy == 0); NewBall.count = 0; NewBall.color = Color.rgb(Rnd.nextInt(256), Rnd.nextInt(256), Rnd.nextInt(256)); return NewBall; }