pinball.java

来自「一些JAVA的小程序」· Java 代码 · 共 12 行

import java.awt.*;

class PinBall extends CannonBall {
   public PinBall (Point loc) 
      { super(loc, 8, -5 + Math.random(), -15); }

   public Rectangle box() {
      int r = radius();
      return new Rectangle(location().x-r, location().y-r, 2*r, 2*r);
   }
}