example/random-paths/index.html

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

  <script src="//unpkg.com/globe.gl"></script>
  <!--<script src="../../dist/globe.gl.js"></script>-->
</head>

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

  <script>
    // Gen random paths
    const N_PATHS = 10;
    const MAX_POINTS_PER_LINE = 10000;
    const MAX_STEP_DEG = 1;
    const MAX_STEP_ALT = 0.015;
    const gData = [...Array(N_PATHS).keys()].map(() => {
      let lat = (Math.random() - 0.5) * 90;
      let lng = (Math.random() - 0.5) * 360;
      let alt = 0;

      return [[lat, lng, alt], ...[...Array(Math.round(Math.random() * MAX_POINTS_PER_LINE)).keys()].map(() => {
        lat += (Math.random() * 2 - 1) * MAX_STEP_DEG;
        lng += (Math.random() * 2 - 1) * MAX_STEP_DEG;
        alt += (Math.random() * 2 - 1) * MAX_STEP_ALT;
        alt = Math.max(0, alt);

        return [lat, lng, alt];
      })];
    });

    const globe = new Globe(document.getElementById('globeViz'))
      .globeImageUrl('//unpkg.com/three-globe/example/img/earth-dark.jpg')
      .bumpImageUrl('//unpkg.com/three-globe/example/img/earth-topology.png')
      .pathsData(gData)
      .pathColor(() => ['rgba(0,0,255,0.6)', 'rgba(255,0,0,0.6)'])
      .pathDashLength(0.01)
      .pathDashGap(0.004)
      .pathDashAnimateTime(100000);

    setTimeout(() => {
      globe
        .pathPointAlt(pnt => pnt[2]) // set altitude accessor
        .pathTransitionDuration(4000)
    }, 6000);

  </script>
</body>