Parameters to use to set the emissive and occlusion values.
OptionalemissiveTexture?: ShaderTextureDescriptorEmissive texture descriptor to use if any.
OptionalocclusionTexture?: ShaderTextureDescriptorOcclusion texture descriptor to use if any.
emissive (vec3f) and occlusion (f32) values set.
Set the
emissive(vec3f) andocclusion(f32) values to use in our shader.