cgkhgehkvjbejjjfksmbfvgms

<canvas class="webgl"></canvas>
<div id="instructions">Drag to turn around<br />Scroll to zoom in / out<br />Click on portals to explore</div>
<div id="credits">
  <p><a href="https://codepen.io/Yakudoo/" target="blank">my other codepens</a> | <a href="http://epic.net" target="blank">epic.net</a></p>
</div>

<script type="x-shader/x-vertex" id="vertexShader">
  precision highp float;
  varying vec2 vUv;
  void main() {