type GLTFMaterialData<T = any> =
GLTFObject<T> & {
pbrMetallicRoughness?: GLTFMaterialPBR<T>,
normalTexture?: GLTFTextureInfoData<T>,
occlusionTexture?: GLTFTextureInfoData<T>,
emissiveTexture?: GLTFTextureInfoData<T>,
emissiveFactor?: vec3,
alphaMode?: string,
alphaCutoff?: number,
doubleSided?: boolean,
}
///////////////////////////////////////////////
packages / gltf / src / types.ts