game collision for 3d gaussian splats are now a thing
current state of the art
check out this awesome demo of putting mesh collisions in a hyper realistic 3d gausian splat
https://playcanv.as/p/SooIwZE8
fun video going over how you can do this for yourself. https://www.youtube.com/watch?v=vFnYON7xRqM
sounds like super plat has he easest way to implement this. its not flexable but its automatic https://superspl.at/
anyhting with the walkable option

example is this church https://superspl.at/scene/15a202e6

having the circle indicates that heres a 3d collision model

you can turn on rendering the voxels click on seetings ⚙️then "show collisions"
3D gaussian splatting
by
- oran