flappy bird（java版）

package com.angsi.demo; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Image; import java.awt.Toolkit; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.JPanel; public class MainGame extends JPanel implements Runnable, MouseListener{ private Image offScreenImage; //图形缓存 private int width; private int height; private int lag = 15; Font font1 = new Font("",Font.BOLD,30); private Image land = Toolkit.getDefaultToolkit().getImage("res/land.png"); private Bird bird; private Bg bg; private Score score; private boolean isStart = false; public MainGame(int width, int height){ this.width = width; this.height = height; this.setBounds(0, 0, width, height); bird = new Bird(width, height); bg = new Bg(width, height-100); score = new Score(); Pipe.pipes[0] = new Pipe(500, 0); Pipe.pipes[1] = new Pipe(700, 1); Pipe.pipes[2] = new Pipe(900, 2); this.addMouseListener(this); } @Override public void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D)g; bg.draw(g2d, this); for(int i = 0; i < Pipe.pipes.length; i++){ Pipe.pipes[i].draw(g2d, this); } bird.draw(g2d, this); score.draw(g2d, this); g2d.drawImage(land, 0, height-200, width, 200, this); } public void update(Graphics g) { if(offScreenImage == null){ offScreenImage = this.createImage(width, height); //新建一个图像缓存空间,这里图像大小为800*600 } Graphics gImage = offScreenImage.getGraphics(); //把它的画笔拿过来,给gImage保存着 paint(gImage); //将要画的东西画到图像缓存空间去 g.drawImage(offScreenImage, 0, 0, null); //然后一次性显示出来 } public void logic() { bird.logic(); if(!GlobalUtil.isGameOver){ bg.logic(); for(int i = 0; i < Pipe.pipes.length; i++){ Pipe.pipes[i].logic(); } } update(getGraphics()); } public void start(){ new Thread(this).start(); } @Override public void run() { try { while(true){ long startTime = System.currentTimeMillis(); logic(); long endTime = System.currentTimeMillis(); Thread.sleep(endTime - startTime>=lag ? 0: lag - (endTime - startTime) ); } } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Override public void mouseClicked(MouseEvent e) { // TODO Auto-generated method stub if(!isStart){ isStart = true; this.start(); } bird.click(); if(GlobalUtil.isGameOver){ GlobalUtil.isGameOver = false; bird.reset(); for(int i = 0 ; i < Pipe.pipes.length; i++){ Pipe.pipes[i].reset(); } GlobalUtil.score = 0; } } @Override public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseExited(MouseEvent e) { // TODO Auto-generated method stub } }