type GLTFMaterialPBR<T = any> =
GLTFObject<T> & {
baseColorFactor?: Float32Array,
baseColorTexture?: GLTFTextureInfoData<T>,
metallicFactor?: number,
roughnessFactor?: number,
metallicRoughnessTexture: GLTFTextureInfoData<T>,
}
packages / gltf / src / types.ts