You are right. Thanks for bringing this to my attention. http://www.redblobgames.com/pathfinding/a-star/introduction.html http://www.redblobgames.com/pathfindin

You are right. Thanks for bringing this to my attention. http://www.redblobgames.com/pathfinding/a-star/introduction.html http://www.redblobgames.com/pathfinding/a-star/introduction.... Every now and then I visit Amit's pages and find something interesting that he explains in an awesome way.