public int getPointingDirectionToString(){
		int quadrant;
		if(x > 0 && y > 0)
			quadrant = 1;
		else if(x < 0 && y > 0)
			quadrant = 2;
		else if(x < 0 && y < 0)
			quadrant = 3;
		else if(x > 0 && y < 0)
			quadrant = 4;
		else
			quadrant = 0;
		return quadrant;
	}