主题： ray-marching
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Volumetric Fog: Integrate Scattering and Transmittance Along the View Ray
Build stable fog integration by defining medium coefficients, respecting segment length and testing light and density changes independently.
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Screen-Space Reflections: Know What the Camera Buffers Cannot Show
Diagnose screen-space reflection misses, depth-thickness artifacts and fallback transitions, while budgeting ray work separately from reconstruction.
机器可读： JSON