physhader-for-mantra
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groundflyer
A set of physical-based shaders for Mantra renderer
When multiple scattering and transmission are both enabled and Max Ray Samples > 1, Mantra consumes too much memory.
Implement additional shader using spectral skin model. Reference: [Krishnaswamy] BioSpec: A Biophysically-Based Spectral Model of Light Interaction with Human Skin, 2005
Use: Cuypers et al., Ray–Based Reflectance Model for Diffraction, 2011
- ~~correct per-light exports~~ - add wavelength dependent phase function ? - add some Pyro-related parameters ? - raytraced multiple scattering. At the moment there is the only one article...
Additional woven cloth shaders. Reference: [Irawan] Appearance of Woven Cloth, 2008
Implement hair BSDF. References: - [Marschner et al.] Light Scattering from Human Hair Fibers - 2003 - [d'Eon, Marschner, Hanika] Importance Sampling for Physically-Based Hair Fiber Models - 2013 -...
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A set of physical-based shaders for Mantra renderer