自己用java Swing 开发的坦克大战小游戏

package test; import java.awt.Color; import java.awt.Toolkit; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.util.*; import javax.swing.*; public class GameFrame extends JFrame{ Random rnd = new Random(); final int speed = 5; public static boolean isGameOver = false;//为true表示游戏结束 JPanel panel = new JPanel();//面板 ArrayList<JLabel> enemies = new ArrayList<JLabel>();//敌人集合 ArrayList<JLabel> walls = new ArrayList<JLabel>();//墙体集合 JLabel myTank = new JLabel(new ImageIcon("img/4.png"));//玩家坦克对象 int lastDirection = KeyEvent.VK_UP;//记录上次的方向 long lastShotTime = 0;//记录上次发射子弹时间 ImageIcon[] myTankIcons = new ImageIcon[]{ new ImageIcon("img/2.png"), new ImageIcon("img/4.png"), new ImageIcon("img/6.png"), new ImageIcon("img/0.png") }; public GameFrame(){ //设置窗体标题 this.setTitle("坦克大战"); //设置窗体左上角小图标 this.setIconImage(Toolkit.getDefaultToolkit().createImage("img/4.png")); this.setBounds(50,50,800,600); this.setResizable(false); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setContentPane(panel); // panel.setBackground(Color.black); this.panel.setLayout(null); myTank.setBounds(400,500,48,48); panel.add(myTank); //随机产生墙对象 for (int i = 0; i < 30; i++) { JLabel wall = new JLabel(new ImageIcon("img/wall.png")); int x = rnd.nextInt(600); int y = rnd.nextInt(400)+50; wall.setBounds(x,y,48,48); walls.add(wall); for (int j = 0; j < walls.size()-1; j++) { if(wall.getBounds().intersects(walls.get(j).getBounds())){ walls.remove(i); i--; break; } } } //添加墙对象 for (int i = 0; i < walls.size(); i++) { panel.add(walls.get(i)); } // 添加敌人 for (int i = 0; i < 10; i++) { //创建敌人 JLabel enemy = new JLabel(new ImageIcon("img/enemy0.png")); enemy.setBounds((i+1)*48,0,48,48); enemies.add(enemy); panel.add(enemy); EnemyThread et = new EnemyThread(this,enemy); et.start(); } ImageIcon img = new ImageIcon("img/desert_800X600.jpg"); JLabel back = new JLabel(img); this.getLayeredPane().add(back, new Integer(Integer.MIN_VALUE)); back.setBounds(0, 0, img.getIconWidth(), img.getIconHeight()); panel.add(new JLabel("Hello Background")); ((JPanel) getContentPane()).setOpaque(false); this.addKeyListener(new KeyAdapter(){ @Override public void keyPressed(KeyEvent e) { int xSpeed = 0;//定义横纵偏移量 int ySpeed = 0; switch(e.getKeyCode()){ case KeyEvent.VK_LEFT: //将最后一次移动的方向保存起来 lastDirection = e.getKeyCode(); if(myTank.getX()>speed){ xSpeed = -speed; } myTank.setIcon(new ImageIcon("img/2.png")); break; case KeyEvent.VK_RIGHT: //将最后一次移动的方向保存起来 lastDirection = e.getKeyCode(); if(myTank.getX()<panel.getWidth()-myTank.getWidth()-speed){ xSpeed = speed; } myTank.setIcon(new ImageIcon("img/6.png")); break; case KeyEvent.VK_UP: //将最后一次移动的方向保存起来 lastDirection = e.getKeyCode(); if(myTank.getY()>speed){ ySpeed = -speed; } myTank.setIcon(new ImageIcon("img/4.png")); break; case KeyEvent.VK_DOWN: //将最后一次移动的方向保存起来 lastDirection = e.getKeyCode(); if(myTank.getY()<panel.getWidth()-myTank.getHeight()-speed){ ySpeed = speed; } myTank.setIcon(new ImageIcon("img/0.png")); break; case KeyEvent.VK_SPACE: //如果离上次发射子弹时间不到一秒，则不允许发射 if(System.currentTimeMillis()-lastShotTime<1000) return; JLabel bullet = new JLabel(); panel.add(bullet); //根据上次的方向来决定子弹显示在什么位置 switch(lastDirection){ case KeyEvent.VK_LEFT: bullet.setIcon(new ImageIcon("img/bulletLeft.png")); bullet.setBounds(myTank.getX()-16,myTank.getY()+16,16,16); break; case KeyEvent.VK_RIGHT: bullet.setIcon(new ImageIcon("img/bulletRight.png")); bullet.setBounds(myTank.getX()+ myTank.getWidth(),myTank.getY()+16,16,16); break; case KeyEvent.VK_UP: bullet.setIcon(new ImageIcon("img/bulletUp.png")); bullet.setBounds(myTank.getX()+ 16,myTank.getY()- 16,16,16); break; case KeyEvent.VK_DOWN: bullet.setIcon(new ImageIcon("img/bulletDown.png")); bullet.setBounds(myTank.getX()+ 16,myTank.getY()+myTank.getHeight(),16,16); } BulletThread bt = new BulletThread(bullet,GameFrame.this,lastDirection); bt.start(); lastShotTime = System.currentTimeMillis(); break; } //添加玩家的坦克 myTank.setLocation(myTank.getX()+xSpeed,myTank.getY()+ySpeed); //判断玩家是否撞墙 for (int i = 0; i < walls.size(); i++) { // 如果墙已经不显示，则不阻拦玩家坦克 if(walls.get(i).isVisible() == false) continue; if(myTank.getBounds().intersects(walls.get(i).getBounds())){ myTank.setLocation(myTank.getX()-xSpeed, myTank.getY()-ySpeed); } } } }); this.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub new GameFrame(); } }