java项目之——坦克大战26

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本版本做最后的修正：敌人死光重新加入，主战坦克死掉F2重新开始。

1.主类中：画方法里面判断，如果无敌方坦克，就添加。

if(tanks.size()<=0){for(int i=0;i<10;i++){tanks.add(new Tank(50+40*(i+1),50,false,Tank.Direction.D,this));}}

2.坦克类中：按键监听里面，如果战亡，重新复活。

case KeyEvent.VK_F2: if(!this.live){this.live = true;this.life= 100;}

本版本为最后一个版本，一个小坦克项目写了这么久也是不容易啊，希望以后多看，麻雀虽小五脏俱全，里面涉及到的java基础知识很多，面向对象，集合，泛型，内部类，线程，监听，变量，数据，对象，构造方法，this等等的用法。还有做项目的思维，一步一步不能太急，再难的问题，分解下来就会很简单。

下一阶段：复习java知识，投递简历。

附tankClient的代码：

public class TankClient extends Frame {public static final int GAME_WIDTH =800;public static final int GAME_HEIGHT =600;Tank myTank = new Tank(50, 50,true,Tank.Direction.STOP,this);    //Tank enemyTank = new Tank(100,100,false,this); Wall w1 = new Wall(100, 200, 20, 150, this), w2 = new Wall(300, 100, 300, 20, this);Image offScreenImage = null;List<Missile> missiles = new ArrayList<Missile>();     //泛型  删加 效率相对高List<Explode> explodes = new ArrayList<Explode>();     List<Tank> tanks = new ArrayList<Tank>();Blood b =  new Blood(); public void paint(Graphics g) {g.drawString("missiles count:"+missiles.size(), 10,50);//g.drawString("explodes count:"+explodes.size(), 10,70);if(tanks.size()<=0){for(int i=0;i<10;i++){tanks.add(new Tank(50+40*(i+1),50,false,Tank.Direction.D,this));}}    for (int i = 0; i < missiles.size(); i++) {Missile m = missiles.get(i);m.hitWall(w1);m.hitWall(w2);m.draw(g);m.hitTanks(tanks);m.hitTank(myTank);}                for (int i = 0; i < explodes.size(); i++) {Explode e = explodes.get(i);e.draw(g);}        for(int i=0; i<10; i++){        Tank t = tanks.get(i);        t.collidesWithWall(w1);        t.collidesWithWall(w2);        t.collidesWithTanks(tanks);        t.draw(g);    }    b.draw(g);    w1.draw(g);    w2.draw(g);myTank.draw(g);myTank.eat(b);}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.GRAY);gOffScreen.fillRect(0, 0, 800, 600);gOffScreen.setColor(c);print(gOffScreen);g.drawImage(offScreenImage, 0, 0, null);}public void lauchFrame(){for(int i=0;i<10;i++){tanks.add(new Tank(50+40*(i+1),50,false,Tank.Direction.D,this));}this.setSize(GAME_WIDTH,GAME_HEIGHT);this.setTitle("TankWar");this.setLocation(80, 60);this.setVisible(true);this.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e) {    System.exit(0);}});this.setResizable(false);new Thread(new paintThread()).start();this.addKeyListener(new KeyMonitor());}public static void main(String[] args) {TankClient tc = new TankClient();tc.lauchFrame();}private class paintThread implements Runnable {   //线程 内部类 为此线程服务public void run() {while(true){repaint();try {Thread.sleep(50);} catch (Exception e) {e.printStackTrace();}}}}private class KeyMonitor extends KeyAdapter{public void keyReleased(KeyEvent e) {myTank.keyReleased(e);}public void keyPressed(KeyEvent e) {myTank.keyPressed(e);}}}

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