vh;
      height: 50vh;
    }
  </style>

  <body>
    <div id="app"></div>

    <script type="module">
      import { defineEngine } from "@vis-three/core";
      import { LoaderManagerPlugin } from "@vis-three/plugin-loader-manager";
      import * as THREE from "three";
      import { GUI } from "three/examples/jsm/libs/lil-gui.module.min.js";

      import { TextureDisplayer } from "@vis-three/convenient";

      const engine = defineEngine({
        plugins: [
          LoaderManagerPlugin({
          