OptionalsheenThe sheen color in linear space. Default to [0, 0, 0].
OptionalsheenThe sheen color (RGB). The sheen color is in sRGB transfer function.
OptionalsheenThe sheen roughness. Default to 0.
OptionalsheenThe sheen roughness (Alpha) texture.
Define the
KHR_materials_sheenextension materials options.