基于Java的飞机大战游戏的设计与实现

package main; import java.applet.Applet; import java.applet.AudioClip; 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.io.FileNotFoundException; import java.io.IOException; import java.net.URL; import java.util.Arrays; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javax.imageio.ImageIO; import javax.swing.JFrame; import javax.swing.JPanel; //主程序测试类 public class ShootGame extends JPanel { /** * */ private static final long serialVersionUID = 9158805858745581422L; public static final int WIDTH = 400; // 窗口的宽 public static final int HEIGHT = 654; // 窗口的高 // 静态资源 public static BufferedImage background; // 背景图 public static BufferedImage start; // 开始图 public static BufferedImage pause; // 暂停图 public static BufferedImage gameover; // 游戏结束图 public static BufferedImage airplane; // 敌机图 public static BufferedImage bee; // 蜜蜂图 public static BufferedImage bullet; // 子弹图 public static BufferedImage hero0; // 英雄机0图 public static BufferedImage hero1; // 英雄机1图 public static AudioClip music; 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 state = 0; // 当前状态 private Hero hero = new Hero(); // 英雄机 private Bullet[] bullets = {}; // 子弹数组 private FlyingObject[] flyings = {}; // 敌人数组 private Timer timer; private int intervel = 10; // 间隔时间：单位--毫秒 // 静态块 static { try { background = ImageIO.read(ShootGame.class.getResource("background.png")); start = ImageIO.read(ShootGame.class.getResource("start.png")); pause = ImageIO.read(ShootGame.class.getResource("pause.png")); gameover = ImageIO.read(ShootGame.class.getResource("gameover.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")); URL musicPath = ShootGame.class.getResource("game_music.wav"); music = Applet.newAudioClip(musicPath); } catch (Exception e) { e.printStackTrace(); } } public static FlyingObject nextOne() { Random rand = new Random(); int type = rand.nextInt(20); // 生成0到19的随机数 if (type == 0) { // 随机数为0，返回bee;否则返回敌机 return new Bee(); } else { return new Airplane(); } } int flyEnteredIndex = 0; // 敌人登场 public void enterAction() {// 10毫秒走一次 flyEnteredIndex++; // 每10毫秒增1 if (flyEnteredIndex % 40 == 0) { FlyingObject obj = nextOne(); flyings = Arrays.copyOf(flyings, flyings.length + 1); flyings[flyings.length - 1] = obj;// 将敌人赋值给flyings数组的最后一个元素 } } public void stepAction() { // 10毫秒走一次 hero.step(); // 英雄机走一步 int num = time1 / 15; for (int i = 0; i < flyings.length; i++) { for(int j = 0; j <= num; j++) { flyings[i].step(); // 敌人走一步 } } for (int i = 0; i < bullets.length; i++) { for(int j = 0; j <= num/2; j++) { bullets[i].step(); // 子弹走一步 } } } int shootIndex = 0; public void shootAction() { // 10毫秒走一次 shootIndex++; // 每10毫秒增1 if (shootIndex % 30 == 0) { // 300毫秒发射一次子弹 Bullet[] bs = hero.shoot();// 获取子弹对象 bullets = Arrays.copyOf(bullets, bullets.length + bs.length); System.arraycopy(bs, 0, bullets, bullets.length - bs.length, bs.length); } } // 删除越界飞行物 public void outOfBoundsAction() { int index = 0; FlyingObject[] flyingLives = new FlyingObject[flyings.length]; for (int i = 0; i < flyings.length; i++) { FlyingObject f = flyings[i]; if (!f.outOfBounds()) { flyingLives[index] = f;// 不越界，将其装入flyingLives[]数组中 index++; } } flyings = Arrays.copyOf(flyingLives, index); index = 0; Bullet[] bulletsLives = new Bullet[bullets.length]; for (int i = 0; i < bullets.length; i++) { Bullet bs = bullets[i]; if (!bs.outOfBounds()) { bulletsLives[index] = bs;// 不越界，将其装入flyingLives[]数组中 index++; } } bullets = Arrays.copyOf(bulletsLives, index); } int score = 0; // 得分 static double time = 0.00;//时间 static int time1 = 0; // 所有子弹与所有敌人撞 public void bangAction() { for (int i = 0; i < bullets.length; i++) { bang(bullets[i]); } } // 一个子弹与所有敌人撞 public void bang(Bullet b) { int index = -1;// 被撞敌人的索引 for (int i = 0; i < flyings.length; i++) {// 遍历所有的敌人 if (flyings[i].shootBy(b)) {// 判断是否撞上 index = i; // 记录被撞敌人的索引 break; } } if (index != -1) {// 撞上了 FlyingObject one = flyings[index]; if (one instanceof Enemy) { Enemy e = (Enemy) one; score += e.getScore(); } if (one instanceof Award) { Award a = (Award) one; int type = a.getType(); switch (type) { case Award.DOUBLE_FIRE: // 奖励活力值 hero.addDoubleFire(); // 英雄机增加火力 break; case Award.LIFE: // 奖励命 hero.addLife(); // 英雄机增命 break; } } // 被撞敌人与flyings数组中的最后一个元素交换 FlyingObject t = flyings[index]; flyings[index] = flyings[flyings.length - 1]; flyings[flyings.length - 1] = t; // 缩容，删除随后一个元素---即被撞的对象 flyings = Arrays.copyOf(flyings, flyings.length - 1); } } public void checkGameOverAction() { if (isGameOver()) { // 结束游戏 state = GAME_OVER; time1 = 0; time = 0; } } public boolean isGameOver() { for (int i = 0; i < flyings.length; i++) { // 撞上了， if (hero.hit(flyings[i])) { hero.subtractLife(); // 生命减1 hero.setDoubleFire(0); // 火力值清零 // 相撞之后，交换缩容 FlyingObject t = flyings[i]; flyings[i] = flyings[flyings.length - 1]; flyings[flyings.length - 1] = t; flyings = Arrays.copyOf(flyings, flyings.length - 1); } } return hero.getLife() <= 0; // 英雄机的命<=0,游戏结束 } // 启动执行代码 public void action() { MouseAdapter l = new MouseAdapter() { public void mouseMoved(MouseEvent e) { if (state == RUNNING) { // 运行状态下执行 int x = e.getX(); // 鼠标Y坐标 int y = e.getY(); // 鼠标X坐标 hero.moveTo(x, y); // 英雄机随着鼠标移动而移动 } } // 鼠标的点击事件 public void mouseClicked(MouseEvent e) { switch (state) { case PAUSE: state = RUNNING; music.stop(); music.loop(); break; case RUNNING: state = PAUSE; music.stop(); break; case START: state = RUNNING; music.stop(); music.loop(); break; case GAME_OVER: hero = new Hero();// 清理现场 flyings = new FlyingObject[0]; bullets = new Bullet[0]; score = 0; state = START; music.stop(); break; } } public void mouseEntered(MouseEvent e) { if (state == PAUSE) { state = RUNNING; } } public void mouseExited(MouseEvent e) { if (state == RUNNING) { state = PAUSE; } } }; this.addMouseListener(l); // 处理鼠标操作事件 this.addMouseMotionListener(l);// 处理鼠标移动事件 timer = new Timer(); // 创建定时器对象 timer.schedule(new TimerTask() { public void run() { // 定时干的那个事--10毫秒走一次 if (state == RUNNING) { // 运行状态下执行 enterAction(); stepAction();// 飞行物走一步 shootAction();// 子弹入场 outOfBoundsAction();// 删除越界飞行物 bangAction(); // 子弹与敌人撞