examples/test/shader.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>MathBox - Shader Block</title>
    <script
      type="text/javascript"
      src="https://cdn.jsdelivr.net/npm/three@0.137.0/build/three.min.js"
    ></script>
    <script
      type="text/javascript"
      src="https://cdn.jsdelivr.net/npm/three@0.137.0/examples/js/controls/OrbitControls.js"
    ></script>
    <!--
      - a minified version mathbox.min.js is also available;
      - recommend using a specific version (not @latest) in public sites
    -->
    <script
      type="text/javascript"
      src="https://cdn.jsdelivr.net/npm/mathbox@latest/build/bundle/mathbox.js"
    ></script>
    <link
      rel="stylesheet"
      href="https://cdn.jsdelivr.net/npm/mathbox@latest/build/mathbox.css"
    />
    <meta name="viewport" content="initial-scale=1, maximum-scale=1" />
  </head>
  <body>
    <script>
      mathbox = MathBox.mathBox({
        plugins: ["core", "controls", "cursor"],
        controls: {
          klass: THREE.OrbitControls,
        },
      });
      three = mathbox.three;

      three.camera.position.set(2.3, 1, 2);
      three.renderer.setClearColor(new THREE.Color(0xffffff), 1.0);

      mathbox.shader({
        code:
          "uniform float floatUniform; uniform int intUniform; uniform vec3 vec3Uniform;" +
          "vec4 main(vec4 xyzw) { return xyzw; };",
      });
    </script>
  </body>
</html>