public boolean isHits(Shot s) //ͨӵƻǽ
	{
		WallNode wn=null;
		for(int i=0;i<wallNodesList.size();i++)
		{
			wn=wallNodesList.get(i);
			if(s.getRect().intersects(wn.getRect()))
			{   if(wn.typeWall==1){//*******************************************
				wn.isLive=false;
				wallNodesList.remove(i);}
			
				if(0==wallNodesList.size())//ǽȫƻ
				{
					this.isLive=false;
					this.tc.wallList.remove(this);
                    //System.out.println(tc.wallList.size());
				} //ǽȫƻ
				return true;
			}
		}
		
		return false;
	}