public boolean hit(ArrayList<Bullet> bullets,int damage){
		if( this.isAlive() ){
				for(Bullet b:bullets){
					//ӵŵʱɱ
					if( b.isAlive() && b.getId()!=id ){
						if(inside(b)){
							//HP
							if( hp>0 ){
								hp = hp - damage;
							}
							if( hp<=0 ){
								this.setAlive(false);
								cx = this.x;
								cy = this.y;
								cwidth = WIDTH;
								cheight = HEIGHT;
								deadStatus = DEAD_1;
							}
							return true;
						}
					}
			}
		}
		return false;
	}