Atmosphere rendering

[wpsimon09]

Since renderer is not the most impressive at the moment I would like to create atmosphere effect as proposed by Sébastien Hillaire

List of resrouces:

• his implementation for the atmosphere (https://github.com/sebh/UnrealEngineSkyAtmosphere/blob/master/Application/Game.cpp)

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• brunetons documentation about the implementation (https://github.com/ebruneton/precomputed_atmospheric_scattering)
• this is the Bruneton article explaining transmitance precalculations (https://ebruneton.github.io/precomputed_atmospheric_scattering/atmosphere/functions.glsl.html)

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• implementation of the paper in mirinae renderer by SausageTest

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• Another full implementation of the atmosphere model by Matej Sakmary https://github.com/MatejSakmary/atmosphere-bac
• paper by him https://github.com/MatejSakmary/atmosphere-bac
• the theses https://github.com/MatejSakmary/atmosphere-bac-text/blob/main/thesis-text.pdf

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• http://www.klayge.org/material/4_0/Atmospheric/Precomputed%20Atmospheric%20Scattering.pdf more closely explains the atmospheric model