ript>
<script>
    initModel();

    function initModel(){
        var gltfURL = './models/mineral_water/scene.gltf';
        new Hilo3d.GLTFLoader().load({
            src: gltfURL
        }).then(model=>{
            window.model = model;
            var framebuffer = new Hilo3d.Framebuffer(renderer);
            renderer.on('beforeRender', function(){
                model.materials.forEach(function (material) {
                    material.transparent = true;
                    material.side = Hilo3d.c