mathbox/examples/test/partial-data.html at master · unconed/mathbox · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>MathBox - Partially Filled Data</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="../../build/mathbox.css" />
    <meta name="viewport" content="initial-scale=1, maximum-scale=1" />
  </head>
  <body>
    <script>
      mathbox = MathBox.mathBox({
        plugins: ["core", "controls", "cursor", "stats"],
        controls: {
          klass: THREE.OrbitControls,
        },
      });
      three = mathbox.three;

      three.camera.position.set(-0.5, 1.4, -2.3);
      three.renderer.setClearColor(new THREE.Color(0xffffff), 1.0);
      three.renderer.setClearColor(new THREE.Color(0x000000), 1.0);

      ramp = (t) => Math.sin(t) * 0.5 + 0.5;

      // Mathbox view
      view = mathbox
        .set({
          scale: 720,
          focus: 3,
        })
        .cartesian({
          range: [
            [0, 1],
            [-0.5, 0.5],
            [0, 1],
          ],
          scale: [1, 1, 1],
        });

      view.grid({
        axes: "xz",
        width: 2,
      });

      view
        .array(
          {
            // Reserve space ahead of time
            bufferWidth: 6,
            width: 3,
            channels: 3,
            expr: (emit, i) => {
              emit(i / 5, 0, 0);
            },
          },
          {
            // Change size at runtime
            width: (t) => Math.floor(3 + ramp(t * 0.9) * 3.5),
          }
        )
        .line({
          color: 0x00ffff,
          width: 5,
          opacity: 0.5,
          zWrite: false,
          start: true,
          end: true,
        })
        .point({
          color: 0x00ffff,
          size: 10,
          opacity: 0.5,
          zWrite: false,
        });

      view
        .matrix(
          {
            // Reserve space ahead of time
            bufferWidth: 6,
            bufferHeight: 6,
            width: 3,
            height: 2,
            channels: 3,
            expr: (emit, i, j) => {
              emit(i / 5, 0, 0.2 + j / 10);
            },
          },
          {
            // Change size at runtime
            width: (t) => Math.floor(3 + ramp(t) * 3),
            height: (t) => Math.floor(2 + ramp(t * 0.7) * 3),
          }
        )
        .point({
          color: 0xffff00,
          size: 10,
          opacity: 0.5,
          zWrite: false,
        });

      view
        .voxel(
          {
            // Reserve space ahead of time
            bufferWidth: 6,
            bufferHeight: 6,
            bufferDepth: 6,
            width: 4,
            height: 3,
            depth: 2,
            channels: 3,
            expr: (emit, i, j, k) => {
              emit(i / 5, k / 10, 0.6 + j / 10);
            },
          },
          {
            // Change size at runtime
            width: (t) => Math.floor(4 + ramp(t * 1.1) * 2),
            height: (t) => Math.floor(3 + ramp(t * 0.8) * 3),
            depth: (t) => Math.floor(2 + ramp(t * 0.6) * 3),
          }
        )
        .point({
          color: 0xff00ff,
          size: 10,
          opacity: 0.5,
          zWrite: false,
        });
    </script>
  </body>
</html>