TDH doesn't actually change the paths used, it only makes determining them more efficient. There's different names for this family of related techniques. There'

TDH doesn't actually change the paths used, it only makes determining them more efficient. There's different names for this family of related techniques. There's an unfinished article (not mine) talking more about this here: https://www.redblobgames.com/pathfinding/heuristics/differential.html https://www.redblobgames.com/pathfinding/heuristics/differen...