example/country-polygons/index.html

<head>
  <style> body { margin: 0; } </style>

  <script type="importmap">{ "imports": {
    "three": "https://esm.sh/three",
    "three/addons/": "https://esm.sh/three/examples/jsm/"
  }}</script>

<!--  <script type="module"> import * as THREE from 'three'; window.THREE = THREE;</script>-->
<!--  <script src="../../dist/three-globe.js" defer></script>-->
</head>

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

  <script type="module">
    import ThreeGlobe from 'https://esm.sh/three-globe?external=three';
    import * as THREE from 'https://esm.sh/three';
    import { TrackballControls } from 'three/addons/controls/TrackballControls.js?external=three';

    fetch('./ne_110m_admin_0_countries.geojson').then(res => res.json()).then(countries =>
    {
      const Globe = new ThreeGlobe()
        .globeImageUrl('//unpkg.com/three-globe/example/img/earth-dark.jpg')
        .polygonsData(countries.features.filter(d => d.properties.ISO_A2 !== 'AQ'))
        .polygonCapColor(() => 'rgba(200, 0, 0, 0.7)')
        .polygonSideColor(() => 'rgba(0, 200, 0, 0.1)')
        .polygonStrokeColor(() => '#111');

      setTimeout(() => Globe.polygonAltitude(() => Math.random()), 4000);

      // Setup renderer
      const renderer = new THREE.WebGLRenderer();
      renderer.setSize(window.innerWidth, window.innerHeight);
      document.getElementById('globeViz').appendChild(renderer.domElement);

      // Setup scene
      const scene = new THREE.Scene();
      scene.add(Globe);
      scene.add(new THREE.AmbientLight(0xcccccc, Math.PI));
      scene.add(new THREE.DirectionalLight(0xffffff, 0.6 * Math.PI));

      // Setup camera
      const camera = new THREE.PerspectiveCamera();
      camera.aspect = window.innerWidth/ window.innerHeight;
      camera.updateProjectionMatrix();
      camera.position.z = 500;

      // Add camera controls
      const tbControls = new TrackballControls(camera, renderer.domElement);
      tbControls.minDistance = 101;
      tbControls.rotateSpeed = 5;
      tbControls.zoomSpeed = 0.8;

      // Kick-off renderer
      (function animate() { // IIFE
        // Frame cycle
        tbControls.update();
        renderer.render(scene, camera);
        requestAnimationFrame(animate);
      })();
    });
  </script>
</body>