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>> No.7063962 [View]
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7063962

>>7063880
>Ray Tracing
Let's throw away that term. It does not matter in that context here.
BUILD is indeed a raycaster. Its data structure however is not using BSP, unlike Doom. It uses a portal rendering system. That allows for moving sectors at runtime, in the form of swing doors, rotating sector constructs, vehicles ect.

Note that the rendering loop renders a frame via vertical slices in screen space. When done, it swaps buffers and continues that process.

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