Some of the other examples in Three.js are quite a bit more complex. https://threejs.org/examples/#webgl_lights_physical https://threejs.org/examples/#webgl_li

Some of the other examples in Three.js are quite a bit more complex. https://threejs.org/examples/#webgl_lights_physical https://threejs.org/examples/#webgl_lights_physical Probably just for introductory ease. Although, admittedly, appears to give the impression of nerfed features, rather than easy.