THREE.GLTFLoader: Unknown extension "KHR_materials_pbrSpecularGlossiness"

将glTF PBR材料从规格/光泽转换为金属/原石

KHR_materials_specularKHR_materials_ior

命令行
安装 Node.js ≥14 后，打开终端运行以下命令：

# install
npm install --global @gltf-transform/cli

# convert
gltf-transform metalrough input.glb output.glb