ballpanel.java

简单的弹球游戏,java编写,可设置,好玩,比传统的弹球更刺激,更赋有挑战性

/**
 * @(#) BallPanel.java 2007-12-31 
 * 
 * Copyright© 2007 Jeff. 该源代码遵循BSD开源协议。 
 */
package joj.thread.swing.bounce;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JPanel;

@SuppressWarnings("serial")
public class BallPanel extends JPanel {

	private List<Ball> balls = new ArrayList<Ball>();

	public Ball addBall() {
		Ball ball = new Ball();
		balls.add(ball);
		return ball;
	}

	@Override
	protected void paintComponent(Graphics g) {
		super.paintComponent(g);
		Graphics2D g2 = (Graphics2D) g;
		for (Ball ball : balls) {
			g2.fill(ball.getShape());
		}
	}

}