Doom.part08.rar -

: Using BSP trees to split a 2D map into sub-sectors, allowing the engine to determine which walls to draw first without sorting every frame.

: Optimizing how floors and ceilings were rendered to save processing power. DOOM.part08.rar

(often discussed in the context of Bruce Naylor's work or the early id Software technical blogs). Why it’s "Interesting" : Using BSP trees to split a 2D