tankclient.java

纯java编写的坦克大战游戏.把项目引入eclipse后立即可运行。在此基础上可进行二次开发哦。

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.ArrayList;
import java.util.List;
import java.util.Random;

@SuppressWarnings("serial")
public class TankClient extends Frame {
	/**
	 * 游戏画面的宽度
	 */
	public static final int GAME_WIDTH = 640;
	
	/**
	 * 游戏画面的高度
	 */
	public static final int GAME_HEIGHT = 480;
	
	Wall w1, w2;
	
	List<Missile> missiles = new ArrayList<Missile>();
	List<Explode> explodes = new ArrayList<Explode>();
	List<Tank> tanks = new ArrayList<Tank>();

	Tank myTank = new Tank(50, 50, Direction.STOP, true, this);
	
	Image offScreenImage = null;
	
	public TankClient() {
		w1 = new Wall(200, 200, 300, 20);
		w2 = new Wall(400, 300, 20, 150);
	}
	
	@Override
	public void paint(Graphics g) {
		g.drawString("missiles count: " + missiles.size(), 10, 50);
		g.drawString("explodes count: " + explodes.size(), 10, 70);
		g.drawString("tanks count: " + tanks.size(), 10, 90);
		g.drawString("mytank life: " + myTank.life, 10, 110);
		myTank.draw(g);
		drawEnemyTanks(g);
		drawMissiles(g);
		drawExplodes(g);
		w1.draw(g);
		w2.draw(g);
		
		if(tanks.size() <= 0) {
			produceNewTanks();
		}
	}
	
	private void produceNewTanks() {
		Random r = new Random();
		for(int i=0; i<40; i++) {
			int x = r.nextInt(GAME_WIDTH - Tank.WIDTH);
			int y = r.nextInt(GAME_HEIGHT - Tank.HEIGHT - 30) + 30;
			tanks.add(new Tank(x, y, Direction.D, false, this));
		}
	}

	private void drawEnemyTanks(Graphics g) {
		for (int i = 0; i < tanks.size(); i++) {
			Tank t = tanks.get(i);
			t.draw(g);
		}
	}

	private void drawExplodes(Graphics g) {
		for(int i=0; i<explodes.size(); i++) {
			Explode e = explodes.get(i);
			e.draw(g);
		}
	}

	private void drawMissiles(Graphics g) {
		for(int i=0; i<missiles.size(); i++) {
			Missile m = missiles.get(i);
			m.draw(g);
		}
	}

	/**
	 * 重写update方法，用双缓冲的方法解决闪烁现象
	 */
	@Override
	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, GAME_WIDTH, GAME_HEIGHT, null);
	}

	/**
	 * 显示主窗口并启动重画线程 
	 */
	public void lanuchFrame() {
		
		//加入多辆敌人坦克
		
		for (int i = 0; i < 10; i++) {
			Tank t = new Tank(30*(i+1), 100, Direction.D, false, this);
			tanks.add(t);
		}
		
		this.setLocation(100, 100);
		this.setSize(GAME_WIDTH, GAME_HEIGHT);
		this.setResizable(false);
		this.addWindowListener(new WindowAdapter() {

			@Override
			public void windowClosing(WindowEvent e) {
				setVisible(false);
				System.exit(0);
			}

		});

		this.addKeyListener(new KeyMonitor());
		this.setBackground(Color.GREEN);
		this.setVisible(true);

		new Thread(new PaintThread()).start();
	}

	public static void main(String[] args) {
		TankClient tc = new TankClient();
		tc.lanuchFrame();
	}

	// 重画线程，每隔固定的时间让主窗口重画
	private class PaintThread implements Runnable {

		public void run() {
			while (true) {
				repaint();
				try {
					Thread.sleep(50);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}

	}

	private class KeyMonitor extends KeyAdapter {

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

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

	}
}