tankwargui.java

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package org.MyTank;
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;

public class TankWarGUI extends Frame {

    private static Random r = new Random();

    public static final int GAME_WIDTH = 800;
    public static final int GAME_HEIGHT = 600;

    List<Tank> tanks = new ArrayList<Tank>();
    List<Missile> missiles = new ArrayList<Missile>();
    List<Explode> explodes = new ArrayList<Explode>();
    Tank myTank = new Tank(400, 300, true, Direction.STOP, this);

    Wall w = new Wall(200, 300, 200, 30);
    Wall w1 = new Wall(450, 300, 200, 30);
    Image OffScreenImage = null;

    public void paint(Graphics g) {
	g.drawString("Missile cout:" + missiles.size(), 10, 50);
	g.drawString("Explode cout:" + explodes.size(), 10, 70);
	g.drawString("Tank cout:" + tanks.size(), 10, 90);
	g.drawString("Tank's Life:" + myTank.getLife(), 10, 110);

	for (int i = 0; i < missiles.size(); i++) {
	    Missile m = missiles.get(i);
	    m.hitTanks(tanks);
	    m.hitTank(myTank);
	    m.hitWall(w);
	    m.hitWall(w1);
	    m.draw(g);
	}
	for (int i = 0; i < explodes.size(); i++) {
	    Explode e = explodes.get(i);
	    e.draw(g);
	}

	for (int i = 0; i < tanks.size(); i++) {
	    Tank t = tanks.get(i);
	    t.collidesWithTanks(tanks);
	    myTank.collidesWithTank(t);
	    t.collidesWithTank(myTank);
	    t.collidesWithWall(w);
	    t.collidesWithWall(w1);
	    t.draw(g);
	}
	myTank.draw(g);
	myTank.collidesWithWall(w);
	myTank.collidesWithWall(w1);
	w.draw(g);
	w1.draw(g);

    }

    public void update(Graphics g) {
	if (OffScreenImage == null) {
	    OffScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT);
	}
	Graphics gOffScreenPaint = OffScreenImage.getGraphics();
	Color c = gOffScreenPaint.getColor();
	gOffScreenPaint.setColor(new Color(100, 200, 0));
	gOffScreenPaint.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
	gOffScreenPaint.setColor(c);
	paint(gOffScreenPaint);
	g.drawImage(OffScreenImage, 0, 0, null);
    }

    private TankWarGUI getThis() {
	return this;
    }

    public void lauchFrame() {
	this.setTitle("TankWar");
	this.setBounds(110, 80, GAME_WIDTH, GAME_HEIGHT);
	this.setResizable(false);
	this.setBackground(new Color(100, 200, 0));
	this.setVisible(true);

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

	this.addKeyListener(new KeyMonitor());
	this.addWindowListener(new WindowAdapter() {
	    public void windowClosing(WindowEvent arg0) {
		// 关闭系统资源
		System.exit(0);
	    }
	});

    }

    private class PaintThread implements Runnable {
	public void run() {
	    while (true) {
		repaint();
		try {
		    Thread.sleep(60);
		} catch (InterruptedException e) {
		    e.printStackTrace();
		}

	    }
	}
    }

    private class KeyMonitor extends KeyAdapter {

	public void keyReleased(KeyEvent e) {
	    myTank.KeyReleased(e);
	    int key = e.getKeyCode();
	    if (key == KeyEvent.VK_F1) {
		for (int i = 0; i < 10; i++) {
		    tanks.add(new Tank(r.nextInt(600) + 150,
			    r.nextInt(500) + 50, false, getDir(), getThis()));
		}
	    }
	}

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

    private Direction getDir() {
	Direction[] dirs = Direction.values();
	int rn = r.nextInt(dirs.length);
	return dirs[rn];
    }

    public static void main(String[] args) {
	TankWarGUI tw = new TankWarGUI();
	tw.lauchFrame();
    }

}