Java Swing飞机大战小游戏.zip

package com.lcz.shoot; import java.awt.image.BufferedImage; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import javax.swing.JFrame; import javax.swing.JPanel; import javax.imageio.ImageIO; 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.event.MouseListener; import java.awt.event.MouseMotionListener; import java.util.Arrays; /*主程序类*/ public class ShootGame extends JPanel { public static final int WIDTH=400;//窗口宽 public static final int HEIGHT=654;//窗口高 public static BufferedImage background; public static BufferedImage airplane; public static BufferedImage bee; public static BufferedImage bullet; public static BufferedImage gameover; public static BufferedImage hero0; public static BufferedImage hero1; public static BufferedImage pause; public static BufferedImage start; public static final int START=0;//启动 public static final int RUNNING=1;//运行 public static final int PAUSE=2;//暂停 public static final int GAME_OVER=3;//结束 private int state=START;//当前状态 private Hero hero=new Hero(); private FlyingObject[] flyings={}; private Bullet[] bullets= {}; // ShootGame(){ // flyings=new FlyingObject[2]; // flyings[0]=new Airplane(); // flyings[1]=new Bee(); // bullets=new Bullet[1]; // bullets[0]=new Bullet(100,200); // } static {//初始化静态资源 try { background=ImageIO.read(ShootGame.class.getResource("background.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")); gameover=ImageIO.read(ShootGame.class.getResource("gameover.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")); start=ImageIO.read(ShootGame.class.getResource("start.png")); }catch(Exception e) { e.printStackTrace(); } } public FlyingObject nextOne() { Random rand=new Random(); int type=rand.nextInt(20); if(type==0) { return new Bee(); }else { return new Airplane(); } } int flyEnteredIndex=0; public void enterAction() { flyEnteredIndex++; if(flyEnteredIndex%40==0) { FlyingObject one=nextOne(); flyings=Arrays.copyOf(flyings, flyings.length+1); flyings[flyings.length-1]=one; } } public void stepAction() { hero.step(); for(int i=0;i<flyings.length;i++) { flyings[i].step(); } for(int i=0;i<bullets.length;i++) { bullets[i].step(); } } int shootIndex=0; public void shootAction() { shootIndex++; if(shootIndex%30==0) { Bullet[] bs=hero.shoot(); bullets=Arrays.copyOf(bullets, bullets.length+bs.length); System.arraycopy(bs, 0, bullets,bullets.length-bs.length,bs.length); } } 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); 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); } /*多个子弹与多个敌人相撞*/ public void bangAction() { for(int i=0;i<bullets.length;i++) { Bullet b=bullets[i]; bang(b);//1个子弹与所有敌人的碰撞 } } int score=0;//得分 /*1个子弹与所有敌人相撞*/ public void bang(Bullet b) { int index=-1;//存储被撞敌人的下标 for(int i=0;i<flyings.length;i++) { FlyingObject f=flyings[i]; if(f.shootBy(b)) { index=i;//记录敌人的下标 break; } } if(index!=-1) { 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: hero.addDoubleFire(); break; case Award.LIFE: hero.addLife(); break; } } /*将被撞敌人与数组最后一个元素交换*/ FlyingObject t=flyings[index]; flyings[index]=flyings[flyings.length-1]; flyings[flyings.length-1]=t; /*缩容*/ flyings=Arrays.copyOf(flyings, flyings.length-1); } } public void checkGameOverAction() { if(isGameOver()) { state=GAME_OVER; } } public boolean isGameOver() { for(int i=0;i<flyings.length;i++) { FlyingObject f=flyings[i]; if(hero.hit(f)) {//相撞了 hero.subtractLife();//减命 hero.clearDoubleFire();// 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; } public void action() { MouseAdapter l=new MouseAdapter() { /*鼠标移动事件*/ public void mouseMoved(MouseEvent e) { if(state==RUNNING) { int x=e.getX(); int y=e.getY(); hero.moveTo(x, y); } } public void mouseClicked(MouseEvent e) { switch(state) { case START: state=RUNNING;break; case GAME_OVER: score=0; hero=new Hero(); flyings=new FlyingObject[0]; bullets=new Bullet[0]; state=START;break; } } /*重写鼠标移出*/ public void mouseExited(MouseEvent e) { if(state==RUNNING) {//运行状态时 state=PAUSE;//改为暂停状态 } } /*重写鼠标移入事件*/ public void mouseEntered(MouseEvent e) { if(state==PAUSE) { state=RUNNING; } } }; this.addMouseListener(l); this.addMouseMotionListener(l); Timer timer=new Timer(); int interval=10;// timer.schedule(new TimerTask() { @Override public void run() { // TODO Auto-generated method stub if(state==RUNNING) { enterAction();//敌人（敌机+小蜜蜂）入场 stepAction();//飞行物走一步 shootAction();//子弹入场（英雄级发射子弹） outOfBoundsAction();//删除越界的敌人（敌人） bangAction();//子弹与敌人的碰撞 checkGameOverAction();//英雄机与敌人相撞 } repaint();//重画--调用paint()方法 } },interval,interval); } public void paint(Graphics g) { g.drawImage(background,0,0,null); paintHero(g);//画英雄机对象 paintFlyingObjects(g);//画敌机 paintBullets(g);//画子弹对象 paintScoreAndLife(g);//画分和命 paintState(g); } public void paintHero(Graphics g) { g.drawImage(hero.image,hero.x,hero.y,null); } public void paintFlyingObjects(Graphics g) { for(int i=0;i<flyings.length;i++) { FlyingObject f=flyings[i]; g.drawImage(f.image,f.x,f.y,null); } } public void paintBullets(Graphics g) { for(int i=0;i<bullets.length;i++) { Bullet b=bullets[i]; g.drawImage(b.image,b.x,b.y,null); } } public void paintScoreAndLife(Graphics g) { g.setColor(new Color(0xFF0000)); g.setFont(new Font(Font.SANS_SERIF,Font.BOLD,24)); g.drawString("SCORE: "+score,10,25);//画分数 g.drawString("LIFE: "+hero.getLife(),10 ,45 ); } /*画状态*/ 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("Fly"); ShootGame game=new ShootGame(); frame.add(game); frame.setSize(WIDTH,HEIGHT); frame.setAlwaysOnTop(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLocationRelativeTo(null); frame.setVisible(true); game.action(); } }