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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>MathBox - Voxelbuffer</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.renderer.setClearColor(new THREE.Color(0x000000), 1.0);
mathbox.set({ scale: 500, focus: 1 });
view = mathbox
.camera({
proxy: true,
position: [-1.2, 0.4, -1.1],
})
.cartesian(
{
range: [
[-1, 1],
[-1, 1],
[-1, 1],
],
scale: [1, 1, 1],
},
{
quaternion: function (t) {
return [0, -Math.sin(t / 8), 0, Math.cos(t / 8)];
},
}
);
view
.transform({
position: [0, -1, 0],
})
.grid({
axes: [1, 3],
width: 2,
depth: 1,
color: 0xffffff,
opacity: 0.5,
blending: THREE.AdditiveBlending,
})
.axis({
axis: 1,
end: true,
width: 3,
depth: 1,
color: 0xffffff,
opacity: 0.5,
zBias: -1,
blending: THREE.AdditiveBlending,
})
.axis({
axis: 3,
end: true,
width: 3,
depth: 1,
color: 0xffffff,
opacity: 0.5,
zBias: -1,
blending: THREE.AdditiveBlending,
});
view.axis({
axis: 2,
end: true,
width: 3,
depth: 1,
color: 0xffffff,
opacity: 0.5,
zBias: -1,
blending: THREE.AdditiveBlending,
});
view
.transform({
position: [0, 1, 0],
})
.grid({
axes: [1, 3],
width: 2,
depth: 1,
color: 0xffffff,
opacity: 0.5,
blending: THREE.AdditiveBlending,
});
view.volume({
width: 28,
height: 28,
depth: 28,
expr: function (emit, x, y, z, i, j, k, t) {
var u = Math.cos((i + j * j + k * k * k) * 100.681 + t) * 0.05;
var v = Math.cos((i * i * i + j + k * k) * 120.681 + t) * 0.05;
var w = Math.cos((i * i + j * j * j + k) * 140.681 + t) * 0.05;
emit(x, y, z);
emit(x + u, y + v, z + w);
},
items: 2,
channels: 3,
});
view.vector({
color: 0x3090ff,
width: 1,
size: 4,
end: true,
zWrite: false,
blending: THREE.AdditiveBlending,
});
</script>
</body>
</html>