//Bullets.png

/*
********************************************************子弹类
*/

class BulletsSprite implements Runnable{
 
 private Sprite bullet;

 private boolean end=true;
 
 private int Xbullets=3,Ybullets;
 
 public BulletsSprite()
 {
 try{ 
 bullet=new Sprite(Image.createImage("/Bullets.png"),9,3);
    }
 catch(Exception e){}
 
 bullet.setPosition(20,30);
 Thread tt=new Thread(this);
 tt.start();
 }

 public void run(){
 Graphics g=getGraphics();
 while(end){

 update();
 draw(g);

 try{Thread.sleep(20);}
 catch(Exception e){}
    }
    }
 
 private void update(){
 bullet.move(Xbullets,0);
        }
 
 private void draw(Graphics g){

 bullet.paint(g);

 flushGraphics();
 
         }
                       }

评论