JAVA编写飞机大战-千锋实训项目

package com.shoot; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; 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; //测试类 public class ShootGame extends JPanel { //窗口高 public static final int WIDTH = 400; public static final int HEIGHT = 654; public static final int GAME_OVER=3;//游戏结束状态 public static final int START=0;//游戏开始状态 public static final int PAUSE=2;//游戏暂停状态 public static final int RUNING=1;//游戏结束状态 private int state=0;//当前状态 public static BufferedImage backgroud;//背景图 public static BufferedImage start;//启动图 public static BufferedImage pause;//暂停图 public static BufferedImage gameover;//结束图 public static BufferedImage airplane;//敌机图 public static BufferedImage bee;//小蜜蜂图 public static BufferedImage bullet;//子弹图 public static BufferedImage hero0;//英雄0图 public static BufferedImage hero1;//英雄1图 private Hero hero = new Hero(); private FlyingObject[] flyings = {}; private Bullet[] bullets = {}; /* ShootGame() { flyings = new FlyingObject[2];//敌机，小蜜蜂 flyings[0] = new Airplane(); flyings[1] = new Bee(); bullets = new Bullet[1]; bullets[0] = new Bullet(130, 110); } */ /*生成敌人，小蜜蜂*/ public static FlyingObject nextOne() { Random rand = new Random(); int type = rand.nextInt(20);//0-19之间的随机数 //控制小蜜蜂数量 if (type == 0) { return new Bee(); } else { return new Airplane(); } } //入场计数 int indxe=1++，使用index控制敌机数量，每400ms产生一架 int flyEnteredIndex = 0; static {//静态初始化资源 try { backgroud = ImageIO.read(ShootGame.class.getResource("background.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")); } catch (IOException e) { e.printStackTrace(); } } /*敌人入场*/ public void enterAction() { //将敌机放入flying数组 flyEnteredIndex++; if (flyEnteredIndex % 40 == 0) {//每400毫秒产生一个敌人 FlyingObject obj = nextOne(); flyings = Arrays.copyOf(flyings, flyings.length + 1);//扩容 flyings[flyings.length - 1] = obj;//将敌人赋值给flyings最后一个元素 } } //飞行物走步 public void stepAction() { hero.step(); //敌人走步 for (int i = 0; i < flyings.length; i++) { flyings[i].step();//敌人走一步 } //子弹走步 for (int i = 0; i < bullets.length; i++) { bullets[i].step();//子弹走一步 } } /*英雄机发射子弹*/ int shootindex = 0; public void shootAction() { shootindex++; if (shootindex % 30 == 0) {//每300ms走一次 //创建子弹对象，添加到bullets数组中 Bullet[] bs = hero.shoot(); bullets=Arrays.copyOf(bullets,bullets.length+bs.length);//扩容弹夹 System.arraycopy(bs, 0,bullets, bullets.length-bs.length,bs.length); } } //飞行物越界删除 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; index++; } } flyings=Arrays.copyOf(flyingLives,index); //System.out.println(flyings.length); //子弹越界 index=0; Bullet[] bulletLives=new Bullet[bullets.length]; for(int i=0;i<bullets.length;i++){ Bullet b=bullets[i]; if (!b.outOfBounds()){ bulletLives[index]=b; index++; } } bullets=Arrays.copyOf(bulletLives,index); } //检查游戏结束 public void checkGameOver(){ if(isGameOver()){ state=GAME_OVER; } } /*判断游戏是否结束*/ public boolean isGameOver(){ for(int i=0;i<flyings.length;i++) { FlyingObject f = flyings[i]; if(hero.hit(f)){ hero.subtractLift();//英雄机-life; //火力清零 hero.setDoubleFire(0); //删除被撞敌人 FlyingObject temp=flyings[i]; flyings[i]=flyings[flyings.length-1]; flyings[flyings.length-1]=temp; //缩容 flyings=Arrays.copyOf(flyings,flyings.length-1); } } return hero.getLife()<=0; } /*启动执行action*/ public void action() { //监听器对象 MouseAdapter l=new MouseAdapter() { @Override //重写鼠标移动方法 public void mouseMoved(MouseEvent e) {//监听器对象 if(state==RUNING){//只有运行 时可以控制 int x=e.getX(); int y=e.getY(); hero.moveTo(x,y); } } //重写鼠标点击事件 public void mouseClicked(MouseEvent e){ switch (state){ case START: state=RUNING; break; case GAME_OVER: state=START; break; } } public void mouseExited(MouseEvent e){ if(state==RUNING){ state=PAUSE; } } public void mouseEntered(MouseEvent e){ if(state==PAUSE){ state=RUNING; } } }; this.addMouseListener(l);//处理鼠标操作事件 this.addMouseMotionListener(l);//处理鼠标滑动事件 Timer timer = new Timer();//定时器 int intervel = 10; timer.schedule(new TimerTask() { @Override public void run() {//每10ms运行一次 if(state==RUNING) { //只有运行状态能动 enterAction(); //敌人入场 stepAction();//飞行物 shootAction();//子弹 outOfBoundsAction();//删除越界飞行物 bangAction();//子弹碰撞 checkGameOver();//检查游戏结束 } repaint();//重画 } }, intervel, intervel); } int score=0;//玩家得分 /*所有子弹撞*/ public void bangAction(){ for (int i=0;i<bullets.length;i++) { Bullet b=bullets[i];//获取每一个子弹 bang(b);//碰撞 } } /*一颗子弹与敌人的碰撞*/ public void bang(Bullet b){ int index=-1;//被撞敌人下标，-1表示没撞上 for(int i=0;i<flyings.length;i++)