Tech article
Analytic Fog Rendering with Volumetric Primitives (2025)
Community description: 91 points · 8 comments on Hacker News
Hacker News | Mar 5, 2026 | surprisetalk
Automated excerpt
A light ray loses energy as it travels through a medium (shaded region). The equation is: Where is the total density encountered by the light path going through the medium. Many radial density functions can be combined to create regions of fog with varying density.
Selected automatically from source text; not independently written or fact-checked. Read the original for full context.