Java坦克小游戏

import java.awt.*; //java抽象窗口工具集 import javax.swing.*; //功能更强的Swing类库 import java.awt.event.*; //事件处理包 import java.util.EventListener; //事件监听 public class Tank extends JFrame //游戏窗口，继承JFrame类 { Tank(String title) //自定义游戏窗口类型 { this.setTitle(title); //名称 this.setSize(440,630); //窗口大小 this.setLocation(300,50); //窗口位置 this.setBackground(Color.red); //背景颜色 myTank mT = new myTank(); //实例化"我的坦克" this.add(mT); //将"我的坦克"加入窗口 this.addKeyListener(mT); //键盘监听器监听键盘信息从而控制坦克 new Thread(mT).start(); //通过调用Thread类的start()方法来启动一个"我的坦克"线程 } public static void main(String[] args) //实例化窗口 { Tank newTank = new Tank("IIB Tank"); //窗口名 newTank.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); newTank.setVisible(true); //窗口的关闭操作 } }; class myTank extends JPanel implements KeyListener, Runnable //我的坦克类，继承JPanel（面板）类，实现KeyListener接口 { //还有Runnable（多线程）接口 //myTank private int x; // 坦克 private int y; //的位置 private int direction; //坦克的方向 private int tankspeed; //坦克的移动速度 private int bulletspeed; //子弹的速度 private int bulletX; // 子弹 private int bulletY; //的位置 private int bulletDirection; //子弹的方向 private int missilespeed; //敌方子弹速度 private int horsepower; //坦克血槽 private int score; //分数 private int degree; //游戏难度 private int fight; //开炮 private int fired; //被击中 private int number = 6; //敌人个数 private int [] enemyX; //敌人坦 private int [] enemyY; //克坐标 private int [] enemyDirection; //敌人坦克方向 private int [] missileX; //敌方子弹 private int [] missileY; //位置 private int [] missileDirection; //敌人子弹方向 private int [] missile; // // Bullet //private int myBulletX; //private int myBulletY; // private int[] enemyBulletX; // private int[] enemyBulletY; // Construct myTank() //初始化 { // initialize the enemy enemyX = new int[number]; // enemyY = new int[number]; // missile = new int[number]; // missileX = new int[number]; //敌方坦克每个数组对象代表一辆坦克 missileY = new int[number]; // enemyDirection = new int[number]; // missileDirection = new int[number]; // for(int i=0; i<number; i++) { enemyX[i] = (int) (Math.random()*300); enemyY[i] = (int) (Math.random()*500); enemyDirection[i] = ((int) (Math.random()*4))+1; //enemyX[i] += 40; //enemyY[i] += 40; //missileX[i] = -7; //missileY[i] = -7; missilespeed = 8; missileDirection[i] = enemyDirection[i]; missile[i] = 1; } // 初始化己方坦克 direction = ((int) (Math.random()*4))+1; tankspeed = 10; bulletspeed = 15; horsepower = 60; //HP==60 degree = 8; fired = 0; x = 200; y = 300; bulletX = -7; // 子弹在屏幕外 bulletY = -7; fight = 0; } ImageIcon img = new ImageIcon("111.jpg"); //图片位置 public void paintComponent(Graphics g) { g.drawImage(img.getImage(), 0, 0, null); //背景 g.setColor(Color.RED); //血槽颜色 g.drawString("HP:",10,20); //位置 g.fillRect(40,10,horsepower*5,10); //血量 g.drawRect(40,10,300,10); //血色边框 g.drawString("Score:" + score, 10, 40); //分数 if(fired == 1) { g.setColor(Color.red); // Font fnt = new Font("dialog",Font.ITALIC+Font.BOLD,30); //字体位置 g.setFont(fnt); //及风格 g.drawString("We are fired!!", 145, 150); // fired = 0; } //我的坦克颜色 if(direction == 1 || direction == 3) //上下 { g.setColor(Color.green); g.fillRect(x, y, 40, 40); int sign = (int) (2.5 - 1.5*direction); g.setColor(Color.BLUE); g.fillRect(x + 17, y - sign*20, 6, 20); } if(direction == 2 || direction == 4) //左右 { g.setColor(Color.green); g.fillRect(x, y, 40, 40); int sign = (int) (4 - 1.5*direction); g.setColor(Color.BLUE); g.fillRect(x - sign*20, y + 17, 20, 6); } g.setColor(Color.GREEN); g.fillRect(bulletX, bulletY, 5, 5); //敌方方坦克颜色 for(int i=0;i<number;i++) { g.setColor(Color.gray); if(enemyDirection[i] == 1 || enemyDirection[i] == 3) { g.fillRect(enemyX[i], enemyY[i], 40, 40); int sign = (int) (2.5 - 1.5*enemyDirection[i]); g.setColor(Color.RED); g.fillRect(enemyX[i] + 17, enemyY[i] - sign*20, 6, 20); } if(enemyDirection[i] == 2 || enemyDirection[i] == 4) { g.fillRect(enemyX[i], enemyY[i], 40, 40); int sign = (int) (4 - 1.5*enemyDirection[i]); g.setColor(Color.RED); g.fillRect(enemyX[i] - sign*20, enemyY[i] + 17, 20, 6); } g.setColor(Color.PINK); g.fillOval(missileX[i], missileY[i], 10, 10); } } public void keyReleased(KeyEvent e){} //坦克的控制 public void keyTyped(KeyEvent e){} public void keyPressed(KeyEvent e) { if(e.getKeyCode() == KeyEvent.VK_UP) //上 { direction = 1; y -= tankspeed; if(y<0) y += tankspeed; } if(e.getKeyCode() == KeyEvent.VK_LEFT) //下 { direction = 2; x-= tankspeed; if(x<0) x += tankspeed; } if(e.getKeyCode() == KeyEvent.VK_DOWN) //左 { direction = 3; y += tankspeed; if(y>600) y -= tankspeed; } if(e.getKeyCode() == KeyEvent.VK_RIGHT) //右 { direction = 4; x += ta