Why export the GridMap


when checking if the collider is a GridMap, we already have the current GridMap the raycast is seeing, why do we need to export a variable and select the node in the base level?

Has it any advantages over the collider provided by the raycast itself?


I think its just clarity for beginners to use the exported gridmap variable rather than using the collider returned by the raycast although both do work.

Hope this clarifies as i changed my code to use the collider to test it and i cant find any issue with it other than maybe a negliable performance hit as it checks the collider rather than just directly using the reference.

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