Yes, I would like to see more pathfinding demo talking about 0 weight link, or even negative weight (although I don't know of any pathfinding problem that would

Yes, I would like to see more pathfinding demo talking about 0 weight link, or even negative weight (although I don't know of any pathfinding problem that would use negative weight). Floyd–Warshall is always ignored although I think it is cool. Now you can pathfind with portal :)