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/
resample.html
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resample.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>MathBox - RTT Feedback History</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(.3, 1, 3);
three.renderer.setClearColor(new THREE.Color(0xFFFFFF), 1.0);
mathbox
.set({
scale: 720
})
.rtt({
history: 2,
type: 'unsignedByte',
})
.camera({
lookAt: [0, 0, 0]
},{
position: function(t){
x = Math.cos(t) * 3;
z = Math.sin(t) * 3;
return [x, 0, z];
}
})
.shader({
code:
"vec4 getSample(vec3 xyz);\n"+
"vec4 getFramesSample(vec3 xyz) {\n"+
" vec4 c = getSample(xyz + vec3( 0.0, 0.0, 1.0));\n"+
" vec3 t = getSample(xyz + vec3( 0.0, 1.0, 0.0)).xyz;\n"+
" vec3 b = getSample(xyz + vec3( 0.0,-1.0, 0.0)).xyz;\n"+
" vec3 l = getSample(xyz + vec3(-1.0, 0.0, 0.0)).xyz;\n"+
" vec3 r = getSample(xyz + vec3( 1.0, 0.0, 0.0)).xyz;\n"+
" return vec4((t + b + l + r) / 2.0 - c.xyz, c.w);\n"+
"}",
})
.resample({
indices: 3,
channels: 4,
})
.compose({
color: '#ffffff',
zWrite: false,
})
.cartesian({
range: [[-2, 2], [-1, 1], [-1, 1]],
scale: [2, 1, 1],
})
.grid({
divideX: 2,
divideY: 2,
zBias: 10,
opacity: .25,
color: 0xc0e0ff,
width: 3
})
.end()
.end()
.compose({
color: '#fff',
zWrite: false,
})
var camera = mathbox.select('rtt camera')
</script>
</body>
</html>