private void setDefaultParams(Material mat) {
        mat.setColor("BaseColor", ColorRGBA.White);
        mat.setFloat("Metallic", 0f);
        mat.setFloat("Roughness", 1f);
    }
GLTF 2.0 loader
Created by Nehon on 07/08/2017.
jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfLoader.java