Re: [OT] Pathfinding algorithm

2013-09-22 Thread Ivan Kazmenko
On Saturday, 21 September 2013 at 15:49:00 UTC, rasmus svensson wrote: Assuming the shortest path from from all nodes to every other node is already pre-computed: What is a fast algorithm to update all paths, if one node is marked as inpassible. Any good 3rd party library or research paper o

Re: [OT] Pathfinding algorithm

2013-09-21 Thread Joseph Rushton Wakeling
On 21/09/13 21:13, Gary Willoughby wrote: Maybe i'm wrong but i'm assuming you are pre-calculating the shortest paths from each node to all others is because you intend to traverse a path at some point in the future? The problem with this approach is that if a node is marked as impassable then yo

Re: [OT] Pathfinding algorithm

2013-09-21 Thread Gary Willoughby
On Saturday, 21 September 2013 at 15:49:00 UTC, rasmus svensson wrote: Assuming the shortest path from from all nodes to every other node is already pre-computed: What is a fast algorithm to update all paths, if one node is marked as inpassible. Any good 3rd party library or research paper o

Re: [OT] Pathfinding algorithm

2013-09-21 Thread Joseph Rushton Wakeling
On 21/09/13 17:48, rasmus svensson wrote: Assuming the shortest path from from all nodes to every other node is already pre-computed: What is a fast algorithm to update all paths, if one node is marked as inpassible. Any good 3rd party library or research paper out there? This is on the basi

[OT] Pathfinding algorithm

2013-09-21 Thread rasmus svensson
Assuming the shortest path from from all nodes to every other node is already pre-computed: What is a fast algorithm to update all paths, if one node is marked as inpassible. Any good 3rd party library or research paper out there?