public void setMoveByString(String direction){
		direction.toLowerCase();
		
		switch(direction.charAt(0)){
	    	case 'u': move=1;
	    			  break;
	    	case 'd': move=2;
	    			  break;
	    	case 'l': move=3;
	    			  break;
	    	case 'r': move=4;
	    	          break;
	    	case '2': move=-2;
	    			  break;
	    	case '4': move=-4;
	    			  break;
		}
	}