forked from unconed/mathbox
/
lerp.html
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lerp.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>MathBox - Lerp Test</title>
<script src="../../build/mathbox-bundle.js"></script>
<link rel="stylesheet" href="../../build/mathbox.css">
<meta name="viewport" content="initial-scale=1, maximum-scale=1">
</head>
<body>
<script>
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);
view = mathbox.cartesian({
range: [[-6, 6], [-1, 1], [-1, 1]],
scale: [6, 1, 1],
});
view.interval({
width: 16, // number of red data points
items: 2,
channels: 2,
expr: function (emit, x, i, time) {
var d = Math.sin((x + time) * 2)/2;
emit(x, 0);
emit(x, d);
},
}).vector({
color: 0xc02050,
width: 16,
size: 3,
end: true,
});
view.lerp({
// number of blue interpolated values
// = 16 original samples + (15 gaps * 8 samples per gap)
width: 136,
})
// drop the first sample in each group of 9
// so that red and blue vectors don't overlap
view.split({
axis: 'x',
length: 9,
}).slice({
width: [1, 9],
}).join({
axis: 'x',
})
//draw the blue vectors
view.vector({
color: 0x3090FF,
width: 10,
size: 2.5,
end: true,
});
</script>
</body>
</html>