> Not "just some recast" otherwise everyone would be doing it: Only needing raycasts through the geometry was in response to the idea that the server would nee

> Not "just some recast" otherwise everyone would be doing it: Only needing raycasts through the geometry was in response to the idea that the server would need to "render the 3d world from each players perspective to do these tests". I don't intend to claim that it's as a whole an easy engineering problem, but rather that the tests don't need to involve much/any of the rendering pipeline.