public void incProb (Move m)
	{
		int index = -1;
		switch(m)
		{
		case North: index = 0; break;
		case South: index = 1; break;
		case West : index = 2; break;
		case East : index = 3; break;
		}

		rawProbs[index]++;
		
		probs = normalize(rawProbs);
		}