java 对微信上的飞机大战游戏的简单实现

package plane.wars; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.Arrays; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javax.swing.JPanel; /** * 飞机大战的主面板 * 英雄机 敌机 子弹 小蜜蜂 * */ public class MainPanel extends JPanel { private Hero hero; /*定义计时器对象**/ private Timer timer; /**定义保存飞行物（敌机，小蜜蜂）的数组*/ private FlyingObject[] flyings; /**定义存子弹的数组*/ private Bullet[] bullets; /**定义生成飞行物的计数变量*/ private int flyNewIndex; /**定义随机数对象*/ private Random random; /**定义发射子弹的计数变量*/ private int shootIndex; /**定义分数*/ int score; /**定义表示状态的变量*/ private int state ; /**定义游戏运行的4种状态*/ 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; /**初始化MainPanel的构造方法*/ public MainPanel() { init(); } private void init() { //初始化计时器对象 timer = new Timer(); //初始化飞行物数组 flyings = new FlyingObject[2]; //多态 子类的对象 父类的类型 flyings[0] = new Airplane(); flyings[1] = new Bee(); //初始化子弹的数组 bullets = new Bullet[1]; bullets[0] = new Bullet(196,400); //初始化英雄机 hero = new Hero(); //初始化生成飞行物的计数变量 flyNewIndex = 0; //初始化随机数对象 random = new Random(); //初始化发射子弹的计数变量 shootIndex =0; score=0; state = START; } /**重写JPanel里面的paint方法*/ public void paint(Graphics g) { super.paint(g); //画游戏背景图片 g.drawImage(Util.backGround.getImage(),0,0,this); //画飞行物 paintFlyings(g); //画子弹 paintBullet(g); //画英雄机 paintHero(g); //画分数 paintScore(g); //画状态图 paintState(g); } /**画英雄机*/ private void paintHero(Graphics g) { g.drawImage(hero.getImageIcon().getImage(),hero.getX(),hero.getY(),this); } /**画子弹*/ private void paintBullet(Graphics g) { for(int i=0;i<bullets.length;i++) { Bullet bullet = bullets[i]; g.drawImage(bullet.getImageIcon().getImage(), bullet.getX(), bullet.getY(),this); } } /**画飞行物*/ private void paintFlyings(Graphics g) { //敌机或蜜蜂 for(int i=0 ;i<flyings.length;i++) { FlyingObject fo = flyings[i]; g.drawImage(fo.getImageIcon().getImage(),fo.getX(),fo.getY(),this); } } /**画分数*/ public void paintScore(Graphics g) { int x=10; int y=25; //设置画笔的颜色 g.setColor(new Color(0x3A3B3B)); //设置画笔的大小 g.setFont(new Font(Font.SANS_SERIF,Font.BOLD,25)); //画分数 g.drawString("SCORE:"+score, x, y); //画英雄机生命数 g.drawString("LIFE:"+hero.getLife(),x,y+30); } /**画状态*/ public void paintState(Graphics g) { switch(state) { case START: g.drawImage(Util.start.getImage(), 0, 0, this); break; case PAUSE: g.drawImage(Util.pause.getImage(),0,0, this); break; case GAME_OVER: g.drawImage(Util.gameOver.getImage(), 0, 0, this); break; } } /**主控制流程*/ public void action() { //创建鼠标的Adapter调制解调器 MouseAdapter ma = new MouseAdapter() { /**鼠标移动事件*/ public void mouseMoved(MouseEvent e) { if(state==RUNNING) { //获取当前鼠标所在的位置 int x = e.getX(); int y = e.getY(); //让英雄机移动到此位置 hero.moveTo(x, y); //重绘 repaint(); } } /**鼠标点击事件*/ public void mouseClicked(MouseEvent e) { //当程序为开始状态时，改变为运行状态 if(state == START) { state = RUNNING; } else if(state == GAME_OVER) { //重新开始游戏 init(); } } /**鼠标进入事件*/ public void mouseEntered(MouseEvent e) { if(state == PAUSE) { state = RUNNING; } } /**鼠标移出事件*/ public void mouseExited(MouseEvent e) { if(state == RUNNING) { state = PAUSE; } } }; //给面板添加监听 this.addMouseMotionListener(ma); this.addMouseListener(ma); //制定计划 timer.schedule(new TimerTask() { public void run() { if(state==RUNNING) { //飞行物入场 enteredAction(); //走一步 stepAction(); //发射子弹 shootAction(); //判断子弹是否击中飞行物 hitAction(); //判断飞行物是否越界 outOfBoundsAction(); //判断英雄机是否和飞行物相撞 heroHitFlyingObject(); //判断英雄机生命数，看是否结束游戏 isGameOver(); } repaint(); } }, 10,10); } /**飞行物入场*/ public void enteredAction() { //隔一段时间来一个敌机或着蜜蜂 flyNewIndex ++; if(flyNewIndex %40 ==0) { //生成飞行物 小蜜蜂 敌机 FlyingObject fo = nextOne(); //数组的扩容操作 flyings = Arrays.copyOf(flyings, flyings.length+1); flyings[flyings.length-1]=fo; } } /**生成飞行物的方法*/ public FlyingObject nextOne() { //随机生成 敌机的几率大 蜜蜂的几率小 int index = random.nextInt(20); if(index ==0) { return new Bee();//生成蜜蜂 } else { return new Airplane();//生成敌机 } } /**飞行物走一步的方法*/ public void stepAction() { //英雄机走一步、切换图片 hero.step(); //飞行物走一步 for(int i=0;i<flyings.length;i++) { //运行时，方法是动态的绑定到对象上的。 //多态现象中，子类的对象被父类的变量引用 //但是，调用方法的时候，会按照子类的对象调用对应对象的方法，编译时根据类型来检查 // FlyingObject fo = flyings[i]; // fo.step(); flyings[i].step(); } //子弹走一步 for(int i= 0;i<bullets.length;i++) { // Bullet bullet = bullets[i]; // bullet.step(); bullets[i].step(); } //重绘 repaint(); } /**发射子弹*/ public void shootAction() { if(shootIndex++%25==0) { //让英雄机发射子弹 Bullet[] bs = hero.shoot(); //扩容数组的长度 bullets = Arrays.copyOf(bullets, bullets.length+bs.length); //将飞机打出去的子弹放到子弹数组中 System.arraycopy(bs, 0, bullets, bullets.length-bs.length, bs.length); } } /**判断是否结束游戏*/ public void isGameOver() { if(hero.getLife()<=0) { state=GAME_OVER; //timer.cancel(); } } /**判断英雄机是否与敌机相撞*/ public void heroHitFlyingObject() { for(int i = 0;i<flyings.length;i++) { // FlyingObject fo = flyings[i]; // //英雄机与敌机的碰撞检测 // boolean isHit = hero.hit(fo); boolean isHit = hero.hit(flyings[i]); if(isHit) { //英雄生命减一 hero.subLife(); //敌机消失 flyings[i] = flyings[flyings.length-1]; // flyings[flyings.length-1]= fo; flyings[flyings.length-1]= flyings[i]; flyings = Arrays.copyOf(flyings, flyings.length-1); return; } } } /**判断飞行物是否越界 敌机 小蜜蜂 子弹*/ public void outOfBoundsAction() { //循环飞行物的数组 敌机 小蜜蜂 FlyingObject[] flyLives = new FlyingObject[flyings.length]; int index = 0; for(int i=0;i<flyings.length;i++) { FlyingObject fo = flyings[i]; if(!fo.outOfBounsd()) { flyLives[index++] = fo; } } //删除越界的飞行物 flyings = Arrays.copyOf(flyLives, index); //循环子弹的 数组 Bullet[] bulletLives = new Bullet[bullets.length]; index = 0; for(int i=0;i<bullets.length;i++) { Bullet bullet= bullets[i]; if(!bullet.outOfBounsd()) { bulletLives[index++]=bullet; } } //删除越界的子弹 bullets = Arrays.copyOf(bulletLives, index); } /**判断是否击中飞行物*/ public void hitAction() { //创建保存未打掉飞行物的子弹 Bullet[] bulletLives = new Bullet[bullets.length]; //定义数组计数下标 int index = 0; //循环子弹数组，拿出每一颗子弹跟所有的飞行物比较 for