Planetary Atmospheric Scattering was created to achieve a fast, beautiful, and physically accurate atmospheric scattering effect for planetary rendering. PAS is based on a lookup table design and features many industry standard rendering techniques to achieve high fidelity atmospheric rendering without compromising performance.

PASDemo_v1.2

Features:
-Rayleigh and Mei scattering models
-Adaptive screenspace planetary scale volumetric shadows
-Running on Unity post processing stack
-Dithering, Jittering, Downsampling, Bilateral Blurs, Bilateral Upsampling
-Automatic skybox exposure
-Real-time LUT generation on GPU
-Full source code available

If you would like to send a feature request/bug/issue,
Email me at christophervsilvas@gmail.com