Invisible Deletions: The Architectural Cheat of Occlusion Culling

If a video game rendered every single highly detailed object in a massive city simultaneously, the graphics card would instantly overheat and shut down. To survive this immense mathematical burden, game engines employ a brilliant, invisible optimization technique: Occlusion Culling. Unlike frustum culling (which deletes objects that are behind the player's camera), occlusion culling deletes obje...