TankWar1.4

package com.diaodiao;

import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.List;

public class TankClient extends Frame {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	public static final int GAME_WIDTH = 800;
	public static final int GAME_HEIGHT = 600;
	
	Image offScreenImage = null;
	private Tank tank = new Tank(50,50);
	
	public void paint(Graphics g) {
		g.drawString("missiles count: " + tank.getList().size(), 10, 50);
		for(int i = 0; i < tank.getList().size(); i++) {
			tank.getList().get(i).draw(g);
		}
		tank.draw(g);
	}
	
	public void update(Graphics g) {
		if(offScreenImage == null) {
			offScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT);
		}
		Graphics gOffScreen = offScreenImage.getGraphics();
		Color c = gOffScreen.getColor();
		gOffScreen.setColor(Color.GREEN);
		gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
		gOffScreen.setColor(c);
		paint(gOffScreen);
		g.drawImage(offScreenImage, 0, 0, null);
	}
	
	public void lauchFrame() {
		this.setLocation(300, 100);
		this.setSize(GAME_WIDTH, GAME_HEIGHT);
		this.setTitle("TankWar");
		this.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
		this.addKeyListener(new KeyMonitor());
		this.setResizable(false);
		this.setBackground(Color.GREEN);
		setVisible(true);
		new Thread(new PaintThread()).start();
		new Thread(new FreeThread()).start();
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		TankClient tc = new TankClient();
		tc.lauchFrame();
	}
	
	private class PaintThread implements Runnable {  //画坦克 画子弹 都是用这个线程

		@Override
		public void run() {			
			while(true) {
				repaint();
				try {
					Thread.sleep(40);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
		
	}
	
	private class FreeThread implements Runnable {

		@Override
		public void run() {
			List<Missile> missiles = tank.getList();
			while(true) {
				for(int i = 0; i < missiles.size() ; i++) {
					missiles.get(i).freeMissile(missiles);
				}
				try {
					Thread.sleep(300);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
		
	}
	
	private class KeyMonitor extends KeyAdapter {

		@Override
		public void keyReleased(KeyEvent e) {
			tank.keyReleased(e);
		}

		@Override
		public void keyPressed(KeyEvent e) {
			tank.keyPressed(e);
		}
		
	}

}

package com.diaodiao;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.List;

public class Tank {

	public static final int XSPEED = 5;
	public static final int YSPEED = 5;
	
	public static final int WIDTH = 30;
	public static final int HEIGHT = 30;
	
	private int x, y;
	
	private boolean bL = false, bU = false, bR = false, bD = false;
	enum Direction {L, LU, U, RU, R, RD, D, LD, STOP};
	
	private Direction dir = Direction.STOP;  //坦克有stop状态 
	private Direction ptDir = Direction.D;   //子弹是没有stop状态的
	
	private List<Missile> list = new ArrayList<Missile>();
	
	public Tank(int x, int y) {
		this.x = x;
		this.y = y;
	}
	
	public Tank(){}
	
	public List<Missile> getList() {
		return list;
	}

	public void setList(List<Missile> list) {
		this.list = list;
	}

	public void draw(Graphics g) {
		
		move();
		
		Color c = g.getColor();
		g.setColor(Color.RED);
		g.fillOval(x, y, WIDTH, HEIGHT);
		g.setColor(c);
		
		switch(ptDir) {
		case L:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y + Tank.HEIGHT/2);
			break;
		case LU:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y);
			break;
		case U:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH/2, y);
			break;
		case RU:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y);
			break;
		case R:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y + Tank.HEIGHT/2);
			break;
		case RD:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y + Tank.HEIGHT);
			break;
		case D:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH/2, y + Tank.HEIGHT);
			break;
		case LD:
			g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y + Tank.HEIGHT);
			break;
		}
	}
	
	public void move() {
		switch(dir) {
			case L:
				x -= XSPEED;
				break;
			case R:
				x += XSPEED;
			    break;
			case U:
				y -= YSPEED;
				break;
			case D:
				y += YSPEED;
				break;
			case LU:
				x -= XSPEED;
				y -= YSPEED;
				break;
			case RU:
				x += XSPEED;
				y -= YSPEED;
				break;
			case RD:
				x += XSPEED;
				y += YSPEED;
				break;
			case LD:
				x -= XSPEED;
				y += YSPEED;
				break;
			case STOP:
				break;
		}
		if(dir != Direction.STOP) {
			this.ptDir = this.dir;
		}
	}
	
	public void keyPressed(KeyEvent e) {
		int key = e.getKeyCode();
		switch(key) {
			case KeyEvent.VK_UP: 
				bU = true;
				break; 
			case KeyEvent.VK_DOWN: 
				bD = true;
				break; 
			case KeyEvent.VK_LEFT: 
				bL = true; 
				break; 
			case KeyEvent.VK_RIGHT:
				bR = true;
				break;
		}
		locateDirection();
	}
	
	public void keyReleased(KeyEvent e) {
		int key = e.getKeyCode();
		switch(key) {
			case KeyEvent.VK_CONTROL:
				fire();
				break;
			case KeyEvent.VK_UP: 
				bU = false;
				break; 
			case KeyEvent.VK_DOWN: 
				bD = false;
				break; 
			case KeyEvent.VK_LEFT: 
				bL = false; 
				break; 
			case KeyEvent.VK_RIGHT:
				bR = false;
				break;
		}
		locateDirection();
	}
	
	public void locateDirection() {
		if(bL && !bU && !bR && !bD) dir = Direction.L;
		else if(bL && bU && !bR && !bD) dir = Direction.LU;
		else if(!bL && bU && !bR && !bD) dir = Direction.U;
		else if(!bL && bU && bR && !bD) dir = Direction.RU;
		else if(!bL && !bU && bR && !bD) dir = Direction.R;
		else if(!bL && !bU && bR && bD) dir = Direction.RD;
		else if(!bL && !bU && !bR && bD) dir = Direction.D;
		else if(bL && !bU && !bR && bD) dir = Direction.LD;
		else if(!bL && !bU && !bR && !bD) dir = Direction.STOP;
	}
	
	public void fire() {
		int x = this.x + Tank.WIDTH/2 - Missile.WIDTH/2;
		int y = this.y + Tank.HEIGHT/2 - Missile.HEIGHT/2;	
		Missile m = new Missile(x, y, ptDir);
		list.add(m);
	}
	
}

package com.diaodiao;

import java.awt.Color;
import java.awt.Graphics;
import java.util.List;

public class Missile {

	public static final int XSPEED = 10;
	public static final int YSPEED = 10;
	
	public static final int WIDTH = 10;
	public static final int HEIGHT = 10;
	
	private int x;
	private int y;
	
	Tank.Direction dir;
	
	public Missile(int x, int y, Tank.Direction dir) {
		this.x = x;
		this.y = y;
		this.dir = dir;
	}

	public void draw(Graphics g) {
		Color c = g.getColor();
		g.setColor(Color.BLACK);
		g.fillOval(x, y, WIDTH, HEIGHT);
		g.setColor(c);
		
		move();
	}
	
	public void move() {
		switch(dir) {
			case L:
				x -= XSPEED;
				break;
			case R:
				x += XSPEED;
				break;
			case U:
				y -= YSPEED;
				break;
			case D:
				y += YSPEED;
				break;
			case LU:
				x -= XSPEED;
				y -= YSPEED;
				break;
			case RU:
				x += XSPEED;
				y -= YSPEED;
				break;
			case RD:
				x += XSPEED;
				y += YSPEED;
				break;
			case LD:
				x -= XSPEED;
				y += YSPEED;
				break;
		}
	}
	
	public void freeMissile(List<Missile> missiles) {
		if(x < 0 || y < 0 || x > TankClient.GAME_WIDTH || y > TankClient.GAME_HEIGHT) {
			missiles.remove(this);
		}
	}
	
}

copy到eclipse中完全可以运行