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A bit of a technical question. I’m messing around trying to build 3d rts / tower-defense like game and I was wondering how effective is collision detection in godot.
In my particular case I’m thinking of checking a good number of collisions (mostly circles / spheres) against a large number of objects (think tower attack range / aoe effect against enemy). Would it be worth while to consider building a custom quadtree implementation to handle enemy positions / collision check. One major aspect for this would be utilizing Vector2 and handling everything on a 2D plane (for most part the Y element is irrelevant, specially for range/collision detection, in my use case).
Would I be loosing out to built in detection due to Vector3 to Vector2 translation (to simplify data structure) or could I potentially see some improvement ?
The way I see it is as a trade off where I forgo “easy solution” (quadtrees seem an interesting concept to code up) for ponteitally tiny gain in performance but also freeing up physics / collision for other use cases.