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disc.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>MathBox - Discs</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>
var mathbox = MathBox.mathBox({
plugins: ["core", "controls", "cursor"],
controls: {
klass: THREE.OrbitControls,
},
});
var three = mathbox.three;
three.camera.position.set(2.5, 1, -1.3);
three.renderer.setClearColor(new THREE.Color(0x000000), 1.0);
var view = mathbox.cartesian({
range: [
[-1, 1],
[-1, 1],
[-1, 1],
],
scale: [1, 1, 1],
});
view.grid({
width: 5,
opacity: 0.5,
axes: [1, 3],
blending: "add",
});
let disc = [],
n = 32;
for (var i = 0; i <= n; ++i) {
let theta = (MathBox.τ * i) / n;
disc.push([Math.cos(theta), Math.sin(theta), 0]);
}
view.array({
data: disc,
items: 33,
channels: 3,
});
view.face({
color: 0xa0b7ff,
shaded: true,
});
view.point({
size: 10,
color: 0xb0c7ff,
zBias: 2,
});
view.array({
data: [
[1, 0, 1],
[-1, 0, 1],
[-1, 0, -1],
[1, 0, -1],
],
channels: 3,
});
view.point({
depth: 0,
size: 100,
color: 0xb0c7ff,
});
</script>
</body>
</html>