Volumetric Fog and Sky Rendering

[demiurghg]

Todo:

• [x] Atmospheric scattering
  • [x] Diffuse skybox
• [x] Aerial perspective
• [x] Layered (exponential) fog
• [x] Clouds
• [x] Volumetric fog
• [x] God rays

References:

• Fast, Flexible, Physically-Based Volumetric Light Scattering
• Frostbite: Physically-based & Unified Volumetric Rendering
• GPU Gems 2: Accurate Atmospheric Scattering
• AMD: Rendering Outdoor Light Scattering in Real Time
• The Henyey-Greenstein phase function
• Real Time Rendering of Atmospheric Scattering Effects for Flight Simulators
• Physically Based Sky, Atmosphere and Cloud Rendering in Frostbite
• Outdoor Light Scattering Sample Update
• Simulating the Colors of the Sky
• ShaderToy: Atmospheric Scattering Fog
• Volumetric Atmospheric Scattering
• Precomputed Atmospheric Scattering
• Rendering Parametrizable Planetary Atmospheres with Multiple Scattering in Real-Time
• The Real-time Volumetric Cloudscapes of Horizon: Zero Dawn
• (New!) A Scalable and Production Ready Sky and Atmosphere Rendering Technique
• Practical Implementation of Light Scattering

Misc

https://gist.github.com/digitalshadow/134a3a02b67cecd72181

Video

• Reset Atmosphere Tech FINAL

[demiurghg]

Fixed in 9e439ff8617ec62fc01178e5025b55e6a4ae91d3

[demiurghg]

03c3ccf1b5898d4b323a8edcc45e7b139c4d33d3