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FBM-Triangle-Shredder.html
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FBM-Triangle-Shredder.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>FBM Vertex Shader</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
color: #ffffff;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #000000;
margin: 0px;
overflow: hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: #ffffff;
}
#oldie a { color:#da0 }
</style>
</head>
<body>
<div id="container"></div>
<div id="info"><a href="http://uwc.graphics" target="_blank">CGPP</a> FBM Triangle Shredder</div>
<script src="js/three.js"></script>
<script src="js/dat.gui.min.js"></script>
<script src="js/Detector.js"></script>
<script src="js/stats.min.js"></script>
<script src="js/OrbitControls.js"></script>
<script id="vertexShader" type="x-shader/x-vertex">
precision mediump float;
precision mediump int;
uniform mat4 modelViewMatrix; // optional
uniform mat4 projectionMatrix; // optional
uniform float time;
uniform float audio[32];
uniform float sensitivity;
uniform float noiseIterations;
attribute vec3 position;
attribute vec3 normal;
attribute vec4 color;
varying vec3 vPosition;
varying vec3 vNormal;
varying vec4 vColor;
/// NOISE CODE
// noise from https://www.shadertoy.com/view/XsX3zB
/* discontinuous pseudorandom uniformly distributed in [-0.5, +0.5]^3 */
vec3 random3(vec3 c) {
float j = 4096.0*sin(dot(c,vec3(17.0, 59.4, 15.0)));
vec3 r;
r.z = fract(512.0*j);
j *= .125;
r.x = fract(512.0*j);
j *= .125;
r.y = fract(512.0*j);
return r-0.5;
}
/* skew constants for 3d simplex functions */
const float F3 = 0.3333333;
const float G3 = 0.1666667;
/* 3d simplex noise */
float simplex3d(vec3 p) {
/* 1. find current tetrahedron T and it's four vertices */
/* s, s+i1, s+i2, s+1.0 - absolute skewed (integer) coordinates of T vertices */
/* x, x1, x2, x3 - unskewed coordinates of p relative to each of T vertices*/
/* calculate s and x */
vec3 s = floor(p + dot(p, vec3(F3)));
vec3 x = p - s + dot(s, vec3(G3));
/* calculate i1 and i2 */
vec3 e = step(vec3(0.0), x - x.yzx);
vec3 i1 = e*(1.0 - e.zxy);
vec3 i2 = 1.0 - e.zxy*(1.0 - e);
/* x1, x2, x3 */
vec3 x1 = x - i1 + G3;
vec3 x2 = x - i2 + 2.0*G3;
vec3 x3 = x - 1.0 + 3.0*G3;
/* 2. find four surflets and store them in d */
vec4 w, d;
/* calculate surflet weights */
w.x = dot(x, x);
w.y = dot(x1, x1);
w.z = dot(x2, x2);
w.w = dot(x3, x3);
/* w fades from 0.6 at the center of the surflet to 0.0 at the margin */
w = max(0.6 - w, 0.0);
/* calculate surflet components */
d.x = dot(random3(s), x);
d.y = dot(random3(s + i1), x1);
d.z = dot(random3(s + i2), x2);
d.w = dot(random3(s + 1.0), x3);
/* multiply d by w^4 */
w *= w;
w *= w;
d *= w;
/* 3. return the sum of the four surflets */
return dot(d, vec4(52.0)) + 0.5;
}
/*
float valueNoise( in vec3 x )
{
vec3 p = floor(x);
vec3 f = fract(x);
f = f*f*(3.0-2.0*f);
vec2 uv = (p.xy+vec2(37.0,17.0)*p.z) + f.xy;
vec2 rg = texture2D( iChannel0, (uv+0.5)/256.0, -100.0 ).yx;
return mix( rg.x, rg.y, f.z ) - 0.5;
}
*/
float fractalNoise(vec3 p)
{
float f = 0.0;
float a = 0.5;
// add animation
p = p + vec3(0.4, 0.0, 1.0) * time * 5.02;
p = p * 0.002;
for (float i = 0.0; i < 32.0; i++ ) {
if( i > noiseIterations) {
break;
}
//f += a * valueNoise(p);
f += a * simplex3d(p) * 0.01 * audio[int(i)];
// f += a * simplex3d(p);
p *= 2.0;
a *= 0.6;
}
return f;
}
/// END NOISE CODE
void main() {
vPosition = position;
vNormal = normal;
vColor = color;
vec3 p = position;
vec3 noise = vec3(fractalNoise(p.xyz),fractalNoise(p.zyx),fractalNoise(p.yzx));
p = (position) * 0.4 + 0.6 *(sensitivity * sin(noise * 1.5 + position.y * 0.0002 - 1.5)+1.0); //500.0*noise;//
gl_Position = projectionMatrix * modelViewMatrix * vec4( p, 1.0 );
}
</script>
<script id="fragmentShader" type="x-shader/x-fragment">
precision mediump float;
precision mediump int;
uniform float time;
uniform float sensitivity;
varying vec3 vPosition;
varying vec3 vNormal;
varying vec4 vColor;
void main() {
vec3 lightDir = normalize(vec3(1.0, 0.0, 0.0));
vec4 color = vec4( vColor );
color *= dot(normalize(vNormal),lightDir);
// color.r += sin( vPosition.x * 10.0 + time ) * 0.5;
gl_FragColor = color;
}
</script>
<script>
window.mobileAndTabletcheck = function() {
var check = false;
(function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino|android|ipad|playbook|silk/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4))) check = true;})(navigator.userAgent||navigator.vendor||window.opera);
return check;
};
</script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer, controls;
var listener, audioLoader, audioArray, bufferLength, analyser, smoothVolume;
var pointLight, skyBox;
var gui, params, triangleCount, triangleSize, sphereSpread;
var sound, playAudio, volume;
init();
animate();
function init() {
container = document.getElementById( 'container' );
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 5, 50000 );
camera.position.set(250,-557, 253);
scene = new THREE.Scene();
params = {
sensitivity: 125.0,
pointLightIntensity : 0.15,
time : 0.3,
noiseIterations : 6.0,
audioSmoothing: 0.8,
sphereSpread : 1000,
triangleCount : 200000,
triangleSize : 12,
playAudio : false,
volume : 0.5
};
gui = new dat.GUI();
var f1 = gui.addFolder('Lights');
f1.add( params, "pointLightIntensity", 0.0, 0.5 ).listen();
var f2 = gui.addFolder('Noise');
f2.add( params, "time", -0.7, 2.0 ).listen();
var f3 = gui.addFolder('Geometry');
if( window.mobileAndTabletcheck() ) {
params['triangleCount'] = 100000;
params['noiseIterations'] = 3.0;
params['sensitivity'] = 15.0;
f2.add( params, "sensitivity", 1.0, 30.0 ).listen();
f2.add( params, "noiseIterations", 1.0, 6.0 ).listen();
triangleCount = f3.add( params, "triangleCount", 1, 200000 ).listen();
} else {
f2.add( params, "sensitivity", 1.0, 600.0 ).listen();
f2.add( params, "noiseIterations", 1.0, 32.0 ).listen();
triangleCount = f3.add( params, "triangleCount", 1, 800000 ).listen();
}
sphereSpread = f3.add( params, "sphereSpread", 100, 5000 ).listen();
triangleSize = f3.add( params, "triangleSize", 1, 100 ).listen();
var f4 = gui.addFolder('Audio');
f4.add( params, "audioSmoothing", 0.0, 0.9).listen();
volume = f4.add( params, "volume", 0.0, 0.5).listen();
playAudio = f4.add( params, "playAudio").listen();
f2.open();
f3.open();
//audio
var listener = new THREE.AudioListener();
camera.add( listener );
sound = new THREE.Audio( listener );
var audioLoader = new THREE.AudioLoader();
var url = '/WebAssets/audio/JaiPaul.mp3'
audioLoader.load( url , function( buffer ) {
sound.setBuffer( buffer );
sound.setLoop(true);
sound.setVolume(0.5);
sound.play();
sound.autoplay = true;
params.playAudio = true;
},
function ( xhr ) {
console.log( (xhr.loaded / xhr.total * 100) + '% loaded' );
},
function ( xhr ) {
console.log( 'An error happened' );
});
bufferLength = 32;
analyser = new THREE.AudioAnalyser( sound, bufferLength );
audioArray = new Array(bufferLength);// Uint8Array(bufferLength);
for(var i = 0; i < audioArray.length; i++) {
audioArray[i] = 0.0;
}
smoothVolume = 0.0;
var geometry = generateGeometry();
// material
var material = new THREE.RawShaderMaterial( {
uniforms: {
time: { value: 1.0 },
audio : { type: "fv1", value: new Array(bufferLength) },
sensitivity : { value: params.sensitivity },
noiseIterations : { value: params.noiseIterations }
},
vertexShader: document.getElementById( 'vertexShader' ).textContent,
fragmentShader: document.getElementById( 'fragmentShader' ).textContent,
side: THREE.DoubleSide,
transparent: true
} );
var mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
pointLight = new THREE.PointLight(0xFFFFFF, 1.0);
scene.add(pointLight);
var skyBoxMat = new THREE.MeshStandardMaterial( { roughness:0.4, color: 0xFFFFFF, emissive: 0x000000, emissiveIntensity:0, side: THREE.DoubleSide } ); // color is in hexidecimal
var skyBoxGeom = new THREE.SphereGeometry(3500, 32, 32);
skyBox = new THREE.Mesh(skyBoxGeom, skyBoxMat);
scene.add(skyBox);
renderer = new THREE.WebGLRenderer({ antialias : true });
renderer.setClearColor( 0x101010 );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.enableDamping = true;
controls.dampingFactor = 0.9;
controls.zoomSpeed = 0.5;
controls.rotateSpeed = 0.5;
controls.maxDistance = 3000;
stats = new Stats();
container.appendChild( stats.dom );
window.addEventListener( 'resize', onWindowResize, false );
}
//Dat.gui callback methods
triangleCount.onChange(function(value) {
scene.children[ 0 ].geometry = generateGeometry();
scene.children[ 0 ].geometry.needsUpdate = true;
});
sphereSpread.onChange(function(value) {
scene.children[ 0 ].geometry = generateGeometry();
scene.children[ 0 ].geometry.needsUpdate = true;
});
triangleSize.onChange(function(value) {
scene.children[ 0 ].geometry = generateGeometry();
scene.children[ 0 ].geometry.needsUpdate = true;
});
volume.onChange(function(value) {
sound.setVolume(value);
});
playAudio.onChange(function(shouldPlay) {
if (shouldPlay) {
sound.play();
analyser = new THREE.AudioAnalyser( sound, bufferLength );
} else {
sound.pause();
}
});
function generateGeometry() {
// geometry
var triangles = Math.round(params.triangleCount);
var geometry = new THREE.BufferGeometry();
var indices = new Uint32Array( triangles * 3 );
for ( var i = 0; i < indices.length; i ++ ) {
indices[ i ] = i;
}
var positions = new Float32Array( triangles * 3 * 3 );
var normals = new Int16Array( triangles * 3 * 3 );
var colors = new Uint8Array( triangles * 3 * 3 );
var color = new THREE.Color();
var n = Math.round(params.sphereSpread); // triangles spread in the sphere
var d = Math.round(params.triangleSize), d2 = d/2; // individual triangle size
var pA = new THREE.Vector3();
var pB = new THREE.Vector3();
var pC = new THREE.Vector3();
var cb = new THREE.Vector3();
var ab = new THREE.Vector3();
var sphereRaduis = n / 3;
for ( var i = 0; i < positions.length; i += 9 ) {
var x = Math.random() * n - n / 2;
var y = Math.random() * n - n / 2;
var z = Math.random() * n - n / 2;
while(Math.sqrt(x * x + y * y + z * z) > sphereRaduis) {
x = Math.random() * n - n / 2;
y = Math.random() * n - n / 2;
z = Math.random() * n - n / 2;
}
var ax = x + Math.random() * d - d2;
var ay = y + Math.random() * d - d2;
var az = z + Math.random() * d - d2;
var bx = x + Math.random() * d - d2;
var by = y + Math.random() * d - d2;
var bz = z + Math.random() * d - d2;
var cx = x + Math.random() * d - d2;
var cy = y + Math.random() * d - d2;
var cz = z + Math.random() * d - d2;
positions[ i ] = ax;
positions[ i + 1 ] = ay;
positions[ i + 2 ] = az;
positions[ i + 3 ] = bx;
positions[ i + 4 ] = by;
positions[ i + 5 ] = bz;
positions[ i + 6 ] = cx;
positions[ i + 7 ] = cy;
positions[ i + 8 ] = cz;
// flat face normals
pA.set( ax, ay, az );
pB.set( bx, by, bz );
pC.set( cx, cy, cz );
cb.subVectors( pC, pB );
ab.subVectors( pA, pB );
cb.cross( ab );
cb.normalize();
var nx = cb.x;
var ny = cb.y;
var nz = cb.z;
normals[ i ] = nx * 32767;
normals[ i + 1 ] = ny * 32767;
normals[ i + 2 ] = nz * 32767;
normals[ i + 3 ] = nx * 32767;
normals[ i + 4 ] = ny * 32767;
normals[ i + 5 ] = nz * 32767;
normals[ i + 6 ] = nx * 32767;
normals[ i + 7 ] = ny * 32767;
normals[ i + 8 ] = nz * 32767;
// colors
var vx = ( x / sphereRaduis/2 ) + 0.7;
var vy = ( y / sphereRaduis/2) + 0.7;
var vz = ( z / sphereRaduis/2) + 0.7;
color.setRGB( vx, vy, vz );
colors[ i ] = color.r * 255;
colors[ i + 1 ] = color.g * 255;
colors[ i + 2 ] = color.b * 255;
colors[ i + 3 ] = color.r * 255;
colors[ i + 4 ] = color.g * 255;
colors[ i + 5 ] = color.b * 255;
colors[ i + 6 ] = color.r * 255;
colors[ i + 7 ] = color.g * 255;
colors[ i + 8 ] = color.b * 255;
}
geometry.setIndex( new THREE.BufferAttribute( indices, 1 ) );
geometry.addAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );
geometry.addAttribute( 'normal', new THREE.BufferAttribute( normals, 3, true ) );
geometry.addAttribute( 'color', new THREE.BufferAttribute( colors, 3, true ) );
geometry.computeBoundingSphere();
return geometry;
}
function onWindowResize( event ) {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var time = performance.now();
var object = scene.children[ 0 ];
controls.update();
var smoothA = Math.sqrt(params.audioSmoothing);
var smoothB = 1 - smoothA;
smoothVolume = smoothB * analyser.getAverageFrequency() * 0.01 + smoothA * smoothVolume;
pointLight.intensity = smoothVolume * params.pointLightIntensity;
var freshAudio = analyser.getFrequencyData();
for(var i = 0; i < audioArray.length; i++) {
audioArray[i] = smoothA * audioArray[i] + smoothB * freshAudio[i];
}
camera.lookAt(object.position);
object.material.uniforms.audio.value = audioArray;
object.material.uniforms.time.value += (time * 0.000005) * 0.7 + smoothVolume * smoothVolume * params.time;
object.material.uniforms.sensitivity.value = params.sensitivity;
object.material.uniforms.noiseIterations.value = params.noiseIterations;
renderer.render( scene, camera );
}
</script>
</body>
</html>