飞机大战.zip

package uiui; import java.awt.AWTError; import java.awt.Graphics; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.image.BufferedImage; import java.io.IOException; import java.util.Arrays; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javax.swing.JFrame; import javax.swing.JPanel; /** * 主函数的类： * * @author Administrator * */ public class ShootMain extends JPanel { public static final int SCREEN_WIDTH = 400; public static final int SCREEN_HEIGHT = 700; //起始状态START/RUNNING/PAUSE/GAME_OVER //默认起始状态 /* * 鼠标点击事件： * 开始--运行 结束---开始 * 鼠标移动事件： * 启动状态：结束----启动 * 暂停状态：鼠标从屏幕里划到外 * 运行状态：从外到内的时候 * 结束状态：英雄机的生命为0 */ 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; public int state = START;//默认状态 public static BufferedImage start; public static BufferedImage pause; public static BufferedImage gameover; //静态代码块 static{ start = FlyingObject.loadImage("start.png"); pause = FlyingObject.loadImage("pause.png"); gameover = FlyingObject.loadImage("gameover" + ".png"); } private Sky sky = new Sky(); private Hero hero = new Hero(); private FlyingObject[] flys = {}; private Bullet[] bullets = {}; /** i产生敌人对象 */ public FlyingObject nextOne() { Random rand = new Random(); int type = rand.nextInt(20); if (type < 5) { return new Airplane(); } else if (type < 12) { return new Bee(); } else { return new BigAirplane(); } } /** i实现敌人入场 */ int enterIndex = 0; public void enterAction() { enterIndex++; if (enterIndex % 40 == 0) { // i获取到敌人 FlyingObject f = nextOne(); // i敌人添加到数组的最后一位上 flys = Arrays.copyOf(flys, flys.length + 1); flys[flys.length - 1] = f; } } /** 子弹入场 */ int shootIndex = 0; public void shootAction() { shootIndex++; if (shootIndex % 40 == 0) { Bullet[] bs = hero.shoot();// 获取子弹数组 bullets = Arrays.copyOf(bullets, bullets.length + bs.length); // i将产生的子弹数组放到源数组中的最后一个元素 System.arraycopy(bs, 0, bullets, bullets.length - bs.length, bs.length); } } /** i飞行物移动 */ public void stepAction() { sky.step(); for (int i = 0; i < flys.length; i++) { flys[i].step(); } for (int i = 0; i < bullets.length; i++) { bullets[i].step(); } } /**i删除越界的飞行物*/ public void outOfBoundsAction(){ int index = 0;//i存放不越界数组的下标，个数 //i新建不越界的敌人数组 FlyingObject[] flysLive = new FlyingObject[flys.length]; for (int i = 0; i < flys.length; i++) { //i获取到每一个敌人 FlyingObject f = flys[i]; //i判断敌人是否不越界 if (!f.outOfBounds()) {//i如果不越界， flysLive[index] = f; index++; } //i将不越界的敌人存放到不越界的数组中 } flys = Arrays.copyOf(flysLive, index); //iSystem.out.println("index == " + index); index = 0; Bullet[] bulletLive = new Bullet[bullets.length]; for (int i = 0; i < bullets.length; i++) { Bullet b = bullets[i]; if (!b.outOfBounds()) { bulletLive[index] = b; index++; } } bullets = Arrays.copyOf(bulletLive, index); } /**i子弹与敌人的碰撞*/ int score = 0;//i玩家的得分记录 public void bulletBangAction(){ //i遍历所有的子弹 for (int i = 0; i < bullets.length; i++) { //i获取每一个子弹 Bullet b = bullets[i]; //i遍历所有的敌人 for (int j = 0; j < flys.length; j++) { //i获取每一个敌人 FlyingObject f = flys[j]; //判断碰撞 if (f.isLife() && b.isLife() && f.hit(b)) { f.goDead();//敌人over b.goDead();//子弹over if (f instanceof Enemy) {//如果撞上的是敌人能得分 Enemy e = (Enemy)f; score += e.getScore(); } //如果撞上的是奖励 if (f instanceof Award) { Award a = (Award)f; int type = a.getAwardType(); switch (type) { case Award.DOUBLE_FIRE://火力 hero.addDoubleFire(); break; case Award.LIFE://生命 hero.addLife(); break; } } } } } } /**i英雄机与敌人发生碰撞*/ public void heroBangAction(){ /* * 思路： * 1）借助FlyingObject中的hit()方法检测碰撞 * 2）借助FlyingObject中的goDead()方法over * 3）在Hero类中设计一个方法实现碰撞之后 * substractLife()减少生命， clearDoubleFire()火力清0 * 4) 在run()方法中实现英雄机与敌人发生碰撞 * heroBangAction(); * 遍历敌人获取到每一个敌人： * 判断撞上了： * 敌人over,英雄机减少生命，清空火力 */ //i遍历所有的敌人 for (int i = 0; i < flys.length; i++) { //i获取每一个敌人 FlyingObject f = flys[i]; if (hero.isLife() && f.isLife() && f.hit(hero)) { f.goDead(); hero.substractLife();//减少生命 hero.clearDoubleFire();//清空火力 } } } /**检测游戏是否结束*/ public void checkGameOverAction(){ //i判断英雄机的生命值， //i如果小于0的话，游戏结束，修改状态 if(hero.getLife() <= 0){ state = GAME_OVER; } } /**i 测试方法 */ public void action() {// 数组越界、数组空指针异常 //i鼠标适配器 MouseAdapter ma = new MouseAdapter() { /**i重写鼠标的移动事件*/ public void mouseMoved(MouseEvent e){ int x = e.getX(); int y = e.getY(); hero.movedTo(x, y); } /**i重写鼠标的点击事件*/ @Override public void mouseClicked(MouseEvent e) { //i根据当前状态的不同，进行相应的处理 switch (state) { case START: state = RUNNING; break; case GAME_OVER: score = 0; sky = new Sky(); hero = new Hero(); flys = new FlyingObject[0]; bullets = new Bullet[0]; state = START;//修改状态为开始状态 break; } } /**i重写鼠标的移入事件*/ @Override public void mouseEntered(MouseEvent e) { if (state == PAUSE) { state = RUNNING; } } /**i重写鼠标的移出事件*/ @Override public void mouseExited(MouseEvent e) { if (state == RUNNING) { state = PAUSE; } } }; this.addMouseListener(ma);//处理鼠标的操作事件 this.addMouseMotionListener(ma);//处理鼠标的移动事件 // i定时器对象 Timer timer = new Timer(); int inters = 13; timer.schedule(new TimerTask() { @Override public void run() { if (state == RUNNING) { enterAction();// 敌人入场 shootAction();// 子弹入场 stepAction();// 飞行物移动 outOfBoundsAction();//删除越界的飞行物 bulletBangAction();//子弹与敌人的碰撞 heroBangAction();//英雄机与敌人发生碰撞 checkGameOverAction();//检测游戏是都结束 } repaint();// 重绘，调用paint方法 } }, inters, inters);// 计划任务 /* * 7.30 20 第一次 10 第一次---第二次 */ } /** 画对象 */ @Override public void paint(Graphics g) { super.paint(g); sky.paintObject(g); hero.paintObject(g); // 画敌人 for (int i = 0; i < flys.length; i++) { flys[i].paintObject(g); } for (int i = 0; i < bullets.length; i++) { bullets[i].paintObject(g); } g.drawString("分数：" + score, 30, 60); g.drawString("生命：" + hero.getLife(), 30, 80); switch (state) {//根据不同状态画不同的状态图 case START://开始状态的启动图 g.drawImage(start, 0, 0, null); break; case PAUSE://暂停状态的图 g.drawImage(pause, 0, 0, null); break; case GAME_OVER://游戏结束的时候状态图 g.drawImage(gameover, 0, 0, null); break; } } /** 主函数：程序的入口 */ public static void main(String[] args) { ShootMain sm = new ShootMain(); JFrame jf = new JFrame(); jf.add(sm);// 将画布装在窗体上 jf.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);// 窗体的大小 jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jf.setLocationRelat