public Tank(int x,int y,TANK_DIR dir,boolean camp,TankClient tc) //ָTankʼ
	{
		this.x=x;
		this.y=y;
		this.oldx=x;
		this.oldy=y;
		this.tc=tc;
		this.camp=camp;
		this.tankDir=dir;
		this.moveDir=TANK_DIR.STOP;
		this.setTurretDir(dir);
	}