Java窗体实现飞机躲子弹游戏

package cn.plane; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Image; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.util.ArrayList; import cn.util.Constant; import cn.util.GameUtil; import cn.util.Myframe; public class PlaneFrame extends Myframe { Image bg = GameUtil.getImage("pic/bg.jpg"); Plane p =new Plane("pic/plane.png", 50, 50); ArrayList bulist =new ArrayList(); long startTime,endTime; Explode explode;//爆炸对象 public void paint(Graphics g){ //画出图像 g.drawImage(bg,0,0,null);//先画背景 p.draw(g);//画飞机 for(int i=0; i<bulist.size(); i++){ //画子弹 Bullet b = (Bullet) bulist.get(i); b.draw(g); //检测每一颗子弹矩形与飞机矩形是否相交 boolean f = b.getRect().intersects(p.getRect()); if(f){ p.setLive(false); //飞机死掉，不能动 if(explode ==null){ explode = new Explode(p.x, p.y); endTime = System.currentTimeMillis(); } explode.draw(g); break; } } if( ! p.getLive()){ printInfo(g,"Game Over",30, 80, Constant.Game_High/2,Color.WHITE); long period = (endTime- startTime)/1000; printInfo(g,"时间："+period+"秒",20, 80, Constant.Game_High/2+30,Color.red); } }//end paint() //打印飞机死亡信息 public void printInfo(Graphics g ,String str, int size,int x,int y,Color cor){ Color c = g.getColor(); g.setColor(cor); Font f = new Font("微软雅黑", Font.BOLD, size); g.setFont(f); g.drawString(str, x, y); g.setColor(c); } public static void main(String[] args) { new PlaneFrame().runGame(); } @Override public void runGame() { super.runGame(); //父类 addKeyListener(new KeyMonitor()); //子类新增键盘监听 for(int i=0; i<15; i++){ //生成一堆子弹 Bullet b = new Bullet(); bulist.add(b); } startTime = System.currentTimeMillis();; } //定义为内部类，可以直接只有外部类的普通属性 class KeyMonitor extends KeyAdapter{ @Override public void keyPressed(KeyEvent e) { //System.out.println("按下键盘:"+e.getKeyCode()); p.Adddirection(e); } @Override public void keyReleased(KeyEvent e) { //System.out.println("释放键盘:"+e.getKeyCode()); p.mindirection(e); } }// }