How to make that node walkable agian?

I have an enemy that destroyed a wall, but its still unwalkable. How do i reference the node that the wall is on? The wall is on the exact position the node is on and i want to make that node walkable agian.

Or do i just need to scan the whole graph agian?

try it if you are using grid graph.


Take a look at this page: Graph Updates during Runtime - A* Pathfinding Project