AStarGrid2D in Godot 4: the gotchas, and an interactive sandbox
Godot's AStarGrid2D is a ten-minute read and a month of gotchas. The API page is small, you skim it, and then your path comes back empty, your units cut through wall corners, or your weighted swamp gets ignored. None of it is a bug. It's the gap between knowing the method names and knowing which han
