（100分）Java寫“坦克大戰”

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.io.IOException;

import java.util.ArrayList;

import java.util.List;

import java.util.Properties;

/**

* 這個類的作用是坦克遊戲的主窗口

* @author mashibing

*

*/

public class TankClient extends Frame {

/**

* 整個坦克遊戲的寬度

*/

public static final int GAME_WIDTH = 800;

public static final int GAME_HEIGHT = 600;

Tank myTank = new Tank(50, 50, true, Direction.STOP, this);

Wall w1 = new Wall(100, 200, 20, 150, this), w2 = new Wall(300, 100, 300, 20, this);

List<Explode> explodes = new ArrayList<Explode>();

List<Missile> missiles = new ArrayList<Missile>();

List<Tank> tanks = new ArrayList<Tank>();

Image offScreenImage = null;

Blood b = new Blood();

public void paint(Graphics g) {

/*

* 指明子彈-爆炸-坦克的數量

* 以及坦克的生命值

*/

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("tanks life:" + myTank.getLife(), 10, 110);

if(tanks.size() <= 0) {

for(int i=0; i<Integer.parseInt(PropertyMgr.getProperty("reProduceTankCount")); i++) {

tanks.add(new Tank(50 + 40*(i+1), 50, false, Direction.D, this));

}

}

for(int i=0; i<missiles.size(); i++) {

Missile m = missiles.get(i);

m.hitTanks(tanks);

m.hitTank(myTank);

m.hitWall(w1);

m.hitWall(w2);

m.draw(g);

//if(!m.isLive()) missiles.remove(m);

//else 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.collidesWithWall(w1);

t.collidesWithWall(w2);

t.collidesWithTanks(tanks);

t.draw(g);

}

myTank.draw(g);

myTank.eat(b);

w1.draw(g);

w2.draw(g);

b.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.BLACK);

gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);

gOffScreen.setColor(c);

paint(gOffScreen);

g.drawImage(offScreenImage, 0, 0, null);

}

/**

* 本方法顯示坦克主窗口

*

*/

public void lauchFrame() {

int initTankCount = Integer.parseInt(PropertyMgr.getProperty("initTankCount"));

for(int i=0; i<initTankCount; i++) {

tanks.add(new Tank(50 + 40*(i+1), 50, false, Direction.D, this));

}

//this.setLocation(400, 300);

this.setSize(GAME_WIDTH, GAME_HEIGHT);

this.setTitle("TankWar");

this.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

System.exit(0);

}

});

this.setResizable(false);

this.setBackground(Color.GREEN);

this.addKeyListener(new KeyMonitor());

setVisible(true);

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

}

public static void main(String[] args) {

TankClient tc = new TankClient();

tc.lauchFrame();

}

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 {

public void keyReleased(KeyEvent e) {

myTank.keyReleased(e);

}

public void keyPressed(KeyEvent e) {

myTank.keyPressed(e);

}

}

}