Parameters used to set the anisotropy values.
OptionalextensionsUsed?: GLTFExtensionsUsedextensionsUsed to check if clearcoat is enabled.
OptionalnormalTexture?: ShaderTextureDescriptorNormal texture descriptor to use if any.
OptionalclearcoatNormalTexture?: ShaderTextureDescriptorClearcoat normal texture descriptor to use if any.
clearcoatNormal (vec3f) value set.
Set the
clearcoatNormal(vec3f) value from the material eventual clearcoat normal or normal textures.