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Article: 1 hr 33 min
The article discusses implementing atmospheric scattering in real-time rendering, focusing on creating realistic skies and planetary atmospheres using shaders. It covers techniques such as raymarching for atmospheric density sampling, incorporating Rayleigh and Mie scattering models, ozone absorption, and handling lighting through nested light-marching loops. The text also explores converting the flat shader into a post-processing effect to render atmosphere in 3D scenes, accounting for scene depth, and adapting the model for planetary atmospheres with logarithmic depth buffers. It introduces LUT-based approaches for optimizing performance by precomputing transmittance, sky-view, and aerial perspective data.
Discussion (34):
The comment thread is positive, with users expressing admiration for the content and visuals, as well as interest in related projects and software like SkySim and SpaceEngine. There's a discussion about potential comparisons to other models and an inquiry about related content.
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