Im making another post based off this. Last time I made a post I was given good suggestions but the suggestions I was given were to increase the tilemaps cell size which did work but then cut off paths which I need to fix. How do I do this?
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It's not possible to answer your question without any details.
Check out the official documentation, it explains (with pictures) how the pathfinding grid works:
construct.net/en/make-games/manuals/construct-3/behavior-reference/pathfinding