Look at spatial partitioning schemes like BSP, octrees, etc. In fact, look at another trending story[1] about the Unreal editor because it discusses this exact

Look at spatial partitioning schemes like BSP, octrees, etc. In fact, look at another trending story[1] about the Unreal editor because it discusses this exact concept (except this was being done in the early to mid 90s). [1] https://www.gamasutra.com/blogs/DavidLightbown/20180109/309414/Classic_Tools_Retrospective_Tim_Sweeney_on_the_first_version_of_the_Unreal_Editor.php https://www.gamasutra.com/blogs/DavidLightbown/20180109/3094...