LamaHairChiang is a layer-able version of the Pixar Chiang hair shader used in production at Pixar.
It is based on the research at Disney Animation Studios and features several improvements over PxrMarschnerHair, including improved convergence, more realistic tube-like specular response, and remapped color that is more indicative of the color picked at varying roughness levels.
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To use it in conjunction with PxrHairColor, make sure to keep the R Specular Color attribute set to white, and simply drive the hair color via Color TT. If using PxrHairColor, please disable Remap TT Color, as PxrHairColor already remaps the incoming color. |
SPECULAR
R Specular Color
Specular color for R lobe. This represents the first bounce of a ray encountering a hair curve. This lobe
color should usually be WHITE, the response is consistent with dielectric materials of a surface shader.
In special cases, one might be art directed to tint this lobe - Do so with care.
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