I am trying to generate borders around a tilemap to make the tiles appear a little less rough around the edges (pun not intended), very similar to how the game Spelunky does it. The below is a good breakdown of how it works in that game.
My question is, how would I go about achieving this in Godot? Are there any features in Godot which would make this a simpler process? Anything in Godot 4 that would help?