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rtt.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>MathBox - RTT</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(0.3, 0, 3);
three.renderer.setClearColor(new THREE.Color(0x000000), 1.0);
var rtt = mathbox.rtt({
type: "unsignedByte",
});
rtt[0].controller.rtt.camera.position.set(0.3, 0, 3);
rtt[0].controller.rtt.camera.lookAt(new THREE.Vector3());
rtt
.resample({
indices: 2,
shader: [
"vec4 getSample(vec2 xy);",
"vec4 getFramesSample(vec2 xy) { return getSample(xy); }",
].join("\n"),
})
.compose({
color: "#ffffff",
opacity: 0.98,
});
rtt
.cartesian({
range: [
[-1, 1],
[-1, 1],
],
})
.grid({
width: 3,
})
.grid({
width: 6,
opacity: 0.05,
})
.interval({
id: "sampler",
width: 64,
expr: function (emit, x, i) {
y = Math.sin(x + three.Time.now) * 0.7;
emit(x, y);
},
channels: 2,
})
.line({
points: "#sampler",
color: 0x3090ff,
width: 20,
});
mathbox.compose({});
</script>
</body>
</html>