flybird_java源代码

package com.tarena.bird; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.image.BufferedImage; import java.io.IOException; import javax.imageio.ImageIO; import javax.swing.JFrame; import javax.swing.JPanel; @SuppressWarnings("serial") public class World extends JPanel { Ground ground; Column column1, column2; Bird bird; BufferedImage background, gameoverImg, startImg; boolean start, gameOver; int score; public World() throws IOException { background = ImageIO.read(getClass().getResource("bg.png")); gameoverImg = ImageIO.read(getClass().getResource("gameover.png")); startImg = ImageIO.read(getClass().getResource("start.png")); start(); } public void start(){ try { start = false; gameOver = false; bird = new Bird(); ground = new Ground(400); column1 = new Column(320 + 100); column2 = new Column(320 + 100 + 180); score = 0; } catch (Exception e) { e.printStackTrace(); } } public void action() throws Exception{ addMouseListener(new MouseAdapter() { @Override public void mousePressed(MouseEvent e) { if (gameOver) { start(); return; } start = true; bird.flappy(); } }); requestFocus(); addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { if(e.getKeyCode()==KeyEvent.VK_SPACE){ if(gameOver){ start(); return; } start = true; bird.flappy(); } } }); //主循环, 时间间隔是 1/60 秒 while(true){ if(start && !gameOver){ bird.step(); column1.step(); column2.step(); //检查是否通过柱子了 if(bird.pass(column1, column2)){ score++; } //开挂，呵呵 // if(score == 0){ // gua(bird, column1); // } // gua(bird, column1, column2); if(bird.hit(column1, column2, ground)){ start = false; gameOver = true; } } ground.step(); repaint(); Thread.sleep(1000/60); } } public void gua(Bird bird, Column column1, Column column2){ //如果鸟的x坐标还没有超过第一个管子的x坐标 if(bird.x < column1.x + column1.width/2 + bird.size && column1.x < 250){ gua(bird,column1); //如果鸟的x坐标还没有超过第二个管子的x坐标 }else if(bird.x < column2.x + column2.width/2 + bird.size && column2.x < 250){ gua(bird,column2); } } public void gua(Bird bird, Column column){ //如果鸟的y坐标低于第一个管子的y坐标 if((bird.y > column.y + column.gap/2 - bird.size)){ bird.flappy(); } } @Override public void paint(Graphics g) { //抗锯齿代码 Graphics2D g2 = (Graphics2D)g; RenderingHints qualityHints = new RenderingHints( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); qualityHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g2.setRenderingHints(qualityHints); //绘制背景 g.drawImage(background, 0, 0, null); g.setColor(Color.white); //绘制柱子 column1.paint(g); column2.paint(g); //绘制地面 ground.paint(g); //绘制分数 Font font = new Font(Font.MONOSPACED, Font.BOLD, 60); g.setFont(font); g.setColor(Color.white); g.drawString(score+"", 141, 151); g.setColor(Color.lightGray); g.drawString(score+"", 140, 150); // g.drawString(column1.x + "," + column1.y, 90, 50); // g.drawString(column2.x + "," + column2.y, 90, 80); //绘制小鸟 bird.paint(g); //绘制结束状态 if(gameOver){ //g.drawString("Game Over!", 70 , 190); g.drawImage(gameoverImg, 0, 0, null); return; } if(!start){ //g.drawString("Start >>>", bird.x+35, bird.y); g.drawImage(startImg, 0, 0, null); } } public static void main(String[] args) throws Exception { JFrame frame = new JFrame("飞扬小鸟"); World world = new World(); frame.add(world); frame.setSize(325, 505); frame.setResizable(false); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLocationRelativeTo(null); frame.setVisible(true); world.action(); } }