一天时间用Java写了个飞机大战游戏,朋友直呼高手

/*
 * 游戏窗体类
 */
public class GameFrame extends JFrame {
	
	public GameFrame() {
		setTitle("飞机大战");//设置标题
		setSize(526, 685);//设定尺寸
		setLayout(new BorderLayout());
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//点击关闭按钮是关闭程序
        setLocationRelativeTo(null);   //设置居中
    	setResizable(false); //不允许修改界面大小
	}
}

package main;

import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
/*
 * 画布类
 */
public class GamePanel extends JPanel{
	GamePanel gamePanel=this;
	private JFrame mainFrame=null;
	//构造里面初始化相关参数
	public GamePanel(JFrame frame){
		this.setLayout(null);
		mainFrame = frame;
		
		mainFrame.setVisible(true);
	}
	
	@Override
	public void paint(Graphics g) {
		
	}
}

package main;
public class Main {
	//主类
	public static void main(String[] args) {
		GameFrame frame = new GameFrame();
		GamePanel panel = new GamePanel(frame);
		frame.add(panel);
		frame.setVisible(true);//设定显示
	}
}

private void  initMenu(){
	// 创建菜单及菜单选项
	jmb = new JMenuBar();
	JMenu jm1 = new JMenu("游戏");
	jm1.setFont(new Font("微软雅黑", Font.BOLD, 15));// 设置菜单显示的字体
	JMenu jm2 = new JMenu("帮助");
	jm2.setFont(new Font("微软雅黑", Font.BOLD, 15));// 设置菜单显示的字体
	
	JMenuItem jmi1 = new JMenuItem("开始新游戏");
	JMenuItem jmi2 = new JMenuItem("退出");
	jmi1.setFont(new Font("微软雅黑", Font.BOLD, 15));
	jmi2.setFont(new Font("微软雅黑", Font.BOLD, 15));
	
	JMenuItem jmi3 = new JMenuItem("操作说明");
	jmi3.setFont(new Font("微软雅黑", Font.BOLD, 15));
	JMenuItem jmi4 = new JMenuItem("胜利条件");
	jmi4.setFont(new Font("微软雅黑", Font.BOLD, 15));
	
	jm1.add(jmi1);
	jm1.add(jmi2);
	
	jm2.add(jmi3);
	jm2.add(jmi4);
	
	jmb.add(jm1);
	jmb.add(jm2);
	mainFrame.setJMenuBar(jmb);// 菜单Bar放到JFrame上
	jmi1.addActionListener(this);
	jmi1.setActionCommand("Restart");
	jmi2.addActionListener(this);
	jmi2.setActionCommand("Exit");
	
	jmi3.addActionListener(this);
	jmi3.setActionCommand("help");
	jmi4.addActionListener(this);
	jmi4.setActionCommand("win");
}

@Override
public void actionPerformed(ActionEvent e) {

	String command = e.getActionCommand();
	UIManager.put("OptionPane.buttonFont", new FontUIResource(new Font("宋体", Font.ITALIC, 18)));
	UIManager.put("OptionPane.messageFont", new FontUIResource(new Font("宋体", Font.ITALIC, 18)));
	if ("Exit".equals(command)) {
		Object[] options = { "确定", "取消" };
		int response = JOptionPane.showOptionDialog(this, "您确认要退出吗", "",
				JOptionPane.YES_OPTION, JOptionPane.QUESTION_MESSAGE, null,
				options, options[0]);
		if (response == 0) {
			System.exit(0);
		} 
	}else if("Restart".equals(command)){
		if(startFlag){
			Object[] options = { "确定", "取消" };
			int response = JOptionPane.showOptionDialog(this, "游戏中，您确认要重新开始吗", "",
					JOptionPane.YES_OPTION, JOptionPane.QUESTION_MESSAGE, null,
					options, options[0]);
			if (response == 0) {
				//需要先结束游戏
				realGameEnd(1);
				restart();
			} 
		}else{
			restart();
		}
	}else if("help".equals(command)){
		JOptionPane.showMessageDialog(null, "游戏开始后，要先动鼠标到飞机处，触发移动效果，然后飞机就会跟随鼠标移动！",
				"提示！", JOptionPane.INFORMATION_MESSAGE);
	}else if("win".equals(command)){
		JOptionPane.showMessageDialog(null, "得分1000，获得胜利！",
				"提示！", JOptionPane.INFORMATION_MESSAGE);
	}
}

//绘图方法
@Override
public void paint(Graphics g) {
	gameHeight = this.getHeight();
	gameWidth = this.getWidth();
	//绘制背景
	g.drawImage((BufferedImage)imageMap.get("bg"), 0, -150, null);
}

//刷新线程，用来重新绘制页面
private class RefreshThread implements Runnable {
	@Override
	public void run() {
		while (startFlag) {
			repaint();
			try {
				Thread.sleep(50);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
}

public class MyPlane {

	private int x = 0;
	private int y = 0;
	private int width = 0;
	private int height = 0;
	private BufferedImage image = null;
	private GamePanel panel=null;
	private HashMap imageMap=null;
	private boolean alive=true;
	private boolean canMove=false;
	private int key=1;
	private HashMap boomImageMap=null;
	private boolean hitFlag=false;//正在碰撞
	
	public MyPlane(int x,int y,int width,int height,GamePanel panel) {
		this.x=x;
		this.y=y;
		this.width=width;
		this.height=height;
		this.panel=panel;
		this.imageMap=panel.imageMap;
		this.image=(BufferedImage)imageMap.get("myplane1");
		this.boomImageMap=panel.mypalneBoomImageMap;
		
	}
	//绘制
	public void draw(Graphics g) {
		g.drawImage(image, x, y, width,height, null);
	}
}

//创建自己飞机
private void initMyPlane() {
	myPlane = new MyPlane(200, 530, 132, 86, this);
}

//绘图方法
@Override
public void paint(Graphics g) {
	gameHeight = this.getHeight();
	gameWidth = this.getWidth();
	//绘制背景
	g.drawImage((BufferedImage)imageMap.get("bg"), 0, -150, null);
	
	//绘制飞机
	if(myPlane!=null){
		myPlane.draw(g);
	}
}

//鼠标事件的创建
private void createMouseListener() {
	MouseAdapter mouseAdapter = new MouseAdapter() {
		@Override
		public void mouseMoved(MouseEvent e) {
			int x = e.getX();
			int y = e.getY();
			if(myPlane==null) return ;
			//飞机第一次是不允许移动的,只有飞机的canMove为true才去跟随
			if(myPlane.isCanMove()){
				myPlane.move(x,y);
				return;
			}
			//判断鼠标的移入，如果移动到飞机上则canMove设置为true
			if(myPlane.isPoint(x,y)){
				myPlane.setCanMove(true);
			}
		}
	};
	addMouseMotionListener(mouseAdapter);
	addMouseListener(mouseAdapter);
}

//飞机跟随鼠标移动
public void move(int x,int y) {
	//判断范围，当横向移动在窗口范围内
	if(x-width/2>=0 && x<=panel.getWidth()-width/2){
		this.x=x-width/2;
	}
	//判断范围，当纵向移动在窗口范围内
	if(y-height/2>=0 && y<=panel.getHeight()-height/2){
		this.y=y-height/2;
	}
}

//移动
void move(){
	new Thread(new Runnable() {
		@Override
		public void run() {
			while(alive){
				y-=speed;
				if(y<=0){
					clear();
				}
				
				try {
					Thread.sleep(50);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
	}).start();
}

//射击
void shoot() {
	new Thread(new Runnable() {
		@Override
		public void run() {
			while(alive){
				//创建子弹
				createBullet();
				try {
					Thread.sleep(200);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}

		private void createBullet() {
			Bullet bullet = new Bullet(x+width/2-10, y, 20, 30, panel);
			panel.bulletList.add(bullet);
			new MusicPlayer("/music/shoot.wav").play();
		}
	}).start();
}

//绘制子弹
Bullet bullet=null;
for (int i = 0; i < bulletList.size(); i++) {
	bullet = (Bullet)bulletList.get(i);
	bullet.draw(g);
}

package main;

import java.awt.Graphics;

public abstract class Plane {
	public abstract void move();
	public abstract void draw(Graphics g);
	public abstract void boom();
	public abstract void clear();
	
	abstract int getX();
	abstract int getY();
	abstract int getWidth();
	abstract int getHeight();
}

//判断飞机与子弹是否碰撞
private boolean isPoint(MyPlane plane) {
	/*
	 * 
	 * 两种情况
	 * 1.需要判断敌机的4个点是否在飞机范围内，如果有则表示碰撞了
	 * 2.如果步骤1不成立，则反过来，判断我机的4个点是否在敌机的范围内，如果是标志碰撞了
	*/
	
	//方式1
	
	//左上角
	int x1 = x;
	int y1 = y;
	//右上角
	int x2 = x+width;
	int y2 = y;
	//右下角
	int x3 = x+width;
	int y3 = y+height;
	//左下角
	int x4 = x;
	int y4 = y+height;
	//只要有一个点在范围内，则判断为碰撞
	if(comparePointMyPlane(x1,y1,plane)|| comparePointMyPlane(x2,y2,plane)||comparePointMyPlane(x3,y3,plane)||comparePointMyPlane(x4,y4,plane) ){
		return true;
	}
	
	//方式1没成立则用方式2判断
	
	//方式2
	x1 = plane.getX();
	y1 = plane.getY();
	//右上角
	x2 = plane.getX()+plane.getWidth();
	y2 = plane.getY();
	//右下角
	x3 = plane.getX()+plane.getWidth();
	y3 =plane.getY()+plane.getHeight();
	//左下角
	x4 = plane.getX();
	y4 = plane.getY()+plane.getHeight();
	if(comparePoint(x1,y1)|| comparePoint(x2,y2)||comparePoint(x3,y3)||comparePoint(x4,y4) ){
		return true;
	}
	return false;
}
//用敌机的坐标来判断
private boolean comparePointMyPlane(int x,int y,MyPlane plane){
	//大于左上角，小于右下角的坐标则肯定在范围内
	if(x>plane.getX() && y >plane.getY()
		&& x<plane.getX()+plane.getWidth() && y <plane.getY()+plane.getHeight()	){
		return  true;
	}
	return false;
}
//用我机的坐标来判断
private boolean comparePoint(int x,int y){
	//大于左上角，小于右下角的坐标则肯定在范围内
	if(x>this.x && y >this.y
		&& x<this.x+this.width && y <this.y+this.height){
		return  true;
	}
	return false;
}

//判断击中敌机
protected void hitEnemy() {
	EnemyPlane enemyPlane=null;
	List enemys = panel.enemyList;
	for (int i = 0; i < enemys.size(); i++) {
		try {
			enemyPlane = (EnemyPlane)enemys.get(i);
		} catch (Exception e) {
		}
		if(enemyPlane==null) continue;
		if(this.isPoint(enemyPlane)){
			
			panel.curCount+=enemyPlane.getCount();
			//删除当前子弹
			clear();
			
			//飞机爆炸
			enemyPlane.boom();
			
			if(panel.curCount>=panel.totalCount){
				panel.myPlane.setCanMove(false);
				panel.gameWin();
			}
		}
	}
}

//判断飞机与子弹是否碰撞
private boolean isPoint(EnemyPlane plane) {
	//因为子弹比飞机小，所以只需要判断子弹的4个点是否在飞机范围内，如果有则表示碰撞了
	//左上角
	int x1 = x;
	int y1 = y;
	//右上角
	int x2 = x+width;
	int y2 = y;
	//右下角
	int x3 = x+width;
	int y3 = y+height;
	//左下角
	int x4 = x;
	int y4 = y+height;
	//只要有一个点在范围内，则判断为碰撞
	if(comparePoint(x1,y1,plane)|| comparePoint(x2,y2,plane)||comparePoint(x3,y3,plane)||comparePoint(x4,y4,plane) ){
		return true;
	}
	return false;
}

private boolean comparePoint(int x,int y,EnemyPlane plane){
	//大于左上角，小于右下角的坐标则肯定在范围内
	if(x>plane.getX() && y >plane.getY()
		&& x<plane.getX()+plane.getWidth() && y <plane.getY()+plane.getHeight()	){
		return  true;
	}
	return false;
}