java飞机大战小游戏

package com.tarena.shoot; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.image.BufferedImage; import java.util.Arrays; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javax.imageio.ImageIO; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JPanel; public class ShootGame extends JPanel { public static final int WIDTH = 400; // 面板宽 public static final int HEIGHT = 654; // 面板高 /** 游戏的当前状态: START RUNNING PAUSE GAME_OVER */ private int state; public static final int START = 0; public static final int RUNNING = 1; public static final int PAUSE = 2; public static final int GAME_OVER = 3; private int score = 0; // 得分 private Timer timer; // 定时器 private int intervel = 1000/100; // 时间间隔(毫秒) public static BufferedImage background; public static BufferedImage start; public static BufferedImage pause; public static BufferedImage gameover; public static BufferedImage bullet; public static BufferedImage airplane; public static BufferedImage[] airplaneEmber=new BufferedImage[4]; public static BufferedImage bee; public static BufferedImage[] beeEmber=new BufferedImage[4];; public static BufferedImage hero0; public static BufferedImage hero1; public static BufferedImage[] heroEmber=new BufferedImage[4];; public static BufferedImage bigPlane; public static BufferedImage[] bigPlaneEmber=new BufferedImage[4];; private FlyingObject[] flyings = {}; // 敌机数组 private Bullet[] bullets = {}; // 子弹数组 private Hero hero = new Hero(); // 英雄机 private Ember[] embers = {}; // 灰烬 static {// 静态代码块 try { background = ImageIO.read(ShootGame.class .getResource("background.png")); bigPlane = ImageIO .read(ShootGame.class.getResource("bigplane.png")); airplane = ImageIO .read(ShootGame.class.getResource("airplane.png")); bee = ImageIO.read(ShootGame.class.getResource("bee.png")); bullet = ImageIO.read(ShootGame.class.getResource("bullet.png")); hero0 = ImageIO.read(ShootGame.class.getResource("hero0.png")); hero1 = ImageIO.read(ShootGame.class.getResource("hero1.png")); pause = ImageIO.read(ShootGame.class.getResource("pause.png")); gameover = ImageIO .read(ShootGame.class.getResource("gameover.png")); start = ImageIO .read(ShootGame.class.getResource("start.png")); for(int i=0; i<4; i++){ beeEmber[i] = ImageIO.read( ShootGame.class.getResource("bee_ember"+i+".png")); airplaneEmber[i] = ImageIO.read( ShootGame.class.getResource("airplane_ember"+i+".png")); bigPlaneEmber[i] = ImageIO.read( ShootGame.class.getResource("bigplane_ember"+i+".png")); heroEmber[i] = ImageIO.read( ShootGame.class.getResource("hero_ember"+i+".png")); } } catch (Exception e) { e.printStackTrace(); } } @Override public void paint(Graphics g) { g.drawImage(background, 0, 0, null); // 画背景图 paintEmber(g); paintHero(g); // 画英雄机 paintBullets(g); // 画子弹 paintFlyingObjects(g); // 画飞行物 paintScore(g); // 画分数 paintState(g); // 画游戏状态 } /** 画英雄机 */ public void paintHero(Graphics g) { g.drawImage(hero.getImage(), hero.getX(), hero.getY(), null); } public void paintEmber(Graphics g) { for (int i = 0; i < embers.length; i++) { Ember e = embers[i]; g.drawImage(e.getImage(), e.getX(), e.getY(), null); } } /** 画子弹 */ public void paintBullets(Graphics g) { for (int i = 0; i < bullets.length; i++) { Bullet b = bullets[i]; if(! b.isBomb()) g.drawImage(b.getImage(), b.getX() - b.getWidth() / 2, b.getY(), null); } } /** 画飞行物 */ public void paintFlyingObjects(Graphics g) { for (int i = 0; i < flyings.length; i++) { FlyingObject f = flyings[i]; g.drawImage(f.getImage(), f.getX(), f.getY(), null); } } /** 画分数 */ public void paintScore(Graphics g) { int x = 10; int y = 25; Font font = new Font(Font.SANS_SERIF,Font.BOLD, 14); g.setColor(new Color(0x3A3B3B)); g.setFont(font); // 设置字体 g.drawString("SCORE:" + score, x, y); // 画分数 y+=20; g.drawString("LIFE:" + hero.getLife(), x, y); } /** 画游戏状态 */ public void paintState(Graphics g) { switch (state) { case START: g.drawImage(start, 0, 0, null); break; case PAUSE: g.drawImage(pause, 0, 0, null); break; case GAME_OVER: g.drawImage(gameover, 0, 0, null); break; } } public static void main(String[] args) { JFrame frame = new JFrame("Shoot Game"); ShootGame game = new ShootGame(); // 面板对象 frame.add(game); // 将面板添加到JFrame中 frame.setSize(WIDTH, HEIGHT); // 大小 frame.setAlwaysOnTop(true); // 其总在最上 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 默认关闭操作 frame.setIconImage(new ImageIcon("images/icon.jpg").getImage()); // 设置窗体的图标 frame.setLocationRelativeTo(null); // 设置窗体初始位置 frame.setVisible(true); // 尽快调用paint game.action(); // 启动执行 } public void action() { // 启动执行代码 // 鼠标监听事件 MouseAdapter l = new MouseAdapter() { @Override public void mouseMoved(MouseEvent e) { // 鼠标移动 if (state == RUNNING) { // 运行时移动英雄机 int x = e.getX(); int y = e.getY(); hero.moveTo(x, y); } } @Override public void mouseEntered(MouseEvent e) { // 鼠标进入 if (state == PAUSE) { // 暂停时运行 state = RUNNING; } } @Override public void mouseExited(MouseEvent e) { // 鼠标退出 if (state != GAME_OVER) { state = PAUSE; // 游戏未结束，则设置其为暂停 } } @Override public void mouseClicked(MouseEvent e) { // 鼠标点击 switch (state) { case START: state = RUNNING; break; case GAME_OVER: // 游戏结束，清理现场 flyings = new FlyingObject[0]; bullets = new Bullet[0]; hero = new Hero(); score = 0; state = START; break; } } }; this.addMouseListener(l); // 处理鼠标点击操作 this.addMouseMotionListener(l); // 处理鼠标滑动操作 timer = new Timer(); // 主流程控制 timer.schedule(new TimerTask() { @Override public void run() { if (state == RUNNING) { enterAction(); // 飞行物入场 stepAction(); // 走一步 shootAction(); // 射击 bangAction(); // 子弹打飞行物 outOfBoundsAction(); // 删除越界飞行物及子弹 checkGameOverAction(); // 检查游戏结束 emberAction(); } repaint(); // 重绘，调用paint()方法 } }, intervel, intervel); } private void emberAction() { Ember[] live = new Ember[embers.length]; int index = 0; for (int i = 0; i < embers.length; i++) { Ember ember = embers[i]; if(! ember.burnDown()){ live[index++]=ember; } } embers = Arrays.copyOf(live, index); } int flyEnteredIndex = 0; // 飞行物入场计数 /** 飞行物入场 */ public void enterAction() { flyEnteredIndex++; if (flyEnteredIndex % 40 == 0) { // 300毫秒--10*30 FlyingObject obj = nextOne(); // 随机生成一个飞行物 flyings = Arrays.copyOf(flyings, flyings.length + 1); flyings[flyings.length - 1] = obj; } } public void stepAction() { /** 飞行物走一步 */ for (int i = 0; i < flyings.length; i++) { // 飞行物走一步 FlyingObject f = flyings[i]; f.step(); } /** 子弹走一步 */ for (int i = 0; i < bullets.length; i++) { Bullet b = bullets[i]; b.step(); } hero.step(); } int shootIndex = 0; // 射击计数 /** 射击 */ public void shootAction() { shootIndex++; if (shootIndex % 30 == 0) { // 100毫秒发一颗 Bullet[] bs = hero.shoot(); // 英雄打出子弹 bullets = Arrays.copyOf(bullets, bullets.length + bs.length); // 扩容 System.