filipos

Thanks once more! Some points: 1. From the Wikipedia article, it seems that a good heuristic would be max{|dx|, |dy|}. This represents the distance in the absence of obstacles, and has...

I am very much interested in this series of articles, yes! Two points: 1. Why the use of isValid() in iterator increments? Isn't it better to have that be a precondition rather than...