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Created September 18, 2023 14:47
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Blob Experiment
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blob-experiment.markdown
Raw
index.pug
doctype html
head
title Perlin noise | Fireball explosion
meta(charset='utf-8')
.container-fluid.fixed-top.header.disable-selection
.row
.col
h1
strong Blob
//p.small(href='#',role='button')
strong 708.588 POINTS
#container
script#vertexShader(type='x-shader/x-vertex').
//
// GLSL textureless classic 3D noise "cnoise",
// with an RSL-style periodic variant "pnoise".
// Author: Stefan Gustavson ([email protected])
// Version: 2011-10-11
//
// Many thanks to Ian McEwan of Ashima Arts for the
// ideas for permutation and gradient selection.
//
// Copyright (c) 2011 Stefan Gustavson. All rights reserved.
// Distributed under the MIT license. See LICENSE file.
// https://github.com/ashima/webgl-noise
//
vec3 mod289(vec3 x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 mod289(vec4 x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}
vec4 permute(vec4 x)
{
return mod289(((x*34.0)+1.0)*x);
}
vec4 taylorInvSqrt(vec4 r)
{
return 1.79284291400159 - 0.85373472095314 * r;
}
vec3 fade(vec3 t) {
return t*t*t*(t*(t*6.0-15.0)+10.0);
}
// Classic Perlin noise
float cnoise(vec3 P)
{
vec3 Pi0 = floor(P); // Integer part for indexing
vec3 Pi1 = Pi0 + vec3(1.0); // Integer part + 1
Pi0 = mod289(Pi0);
Pi1 = mod289(Pi1);
vec3 Pf0 = fract(P); // Fractional part for interpolation
vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0
vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
vec4 iy = vec4(Pi0.yy, Pi1.yy);
vec4 iz0 = Pi0.zzzz;
vec4 iz1 = Pi1.zzzz;
vec4 ixy = permute(permute(ix) + iy);
vec4 ixy0 = permute(ixy + iz0);
vec4 ixy1 = permute(ixy + iz1);
vec4 gx0 = ixy0 * (1.0 / 5.0);
vec4 gy0 = fract(floor(gx0) * (1.0 / 5.0)) - 0.5;
gx0 = fract(gx0);
vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0);
vec4 sz0 = step(gz0, vec4(0.0));
gx0 -= sz0 * (step(0.0, gx0) - 0.5);
gy0 -= sz0 * (step(0.0, gy0) - 0.5);
vec4 gx1 = ixy1 * (1.0 / 5.0);
vec4 gy1 = fract(floor(gx1) * (1.0 / 5.0)) - 0.5;
gx1 = fract(gx1);
vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1);
vec4 sz1 = step(gz1, vec4(0.0));
gx1 -= sz1 * (step(0.0, gx1) - 0.5);
gy1 -= sz1 * (step(0.0, gy1) - 0.5);
vec3 g000 = vec3(gx0.x,gy0.x,gz0.x);
vec3 g100 = vec3(gx0.y,gy0.y,gz0.y);
vec3 g010 = vec3(gx0.z,gy0.z,gz0.z);
vec3 g110 = vec3(gx0.w,gy0.w,gz0.w);
vec3 g001 = vec3(gx1.x,gy1.x,gz1.x);
vec3 g101 = vec3(gx1.y,gy1.y,gz1.y);
vec3 g011 = vec3(gx1.z,gy1.z,gz1.z);
vec3 g111 = vec3(gx1.w,gy1.w,gz1.w);
vec4 norm0 = taylorInvSqrt(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
g000 *= norm0.x;
g010 *= norm0.y;
g100 *= norm0.z;
g110 *= norm0.w;
vec4 norm1 = taylorInvSqrt(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
g001 *= norm1.x;
g011 *= norm1.y;
g101 *= norm1.z;
g111 *= norm1.w;
float n000 = dot(g000, Pf0);
float n100 = dot(g100, vec3(Pf1.x, Pf0.yz));
float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z));
float n110 = dot(g110, vec3(Pf1.xy, Pf0.z));
float n001 = dot(g001, vec3(Pf0.xy, Pf1.z));
float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z));
float n011 = dot(g011, vec3(Pf0.x, Pf1.yz));
float n111 = dot(g111, Pf1);
vec3 fade_xyz = fade(Pf0);
vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z);
vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y);
float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x);
return 2.2 * n_xyz;
}
// Classic Perlin noise, periodic variant
float pnoise(vec3 P, vec3 rep)
{
vec3 Pi0 = mod(floor(P), rep); // Integer part, modulo period
vec3 Pi1 = mod(Pi0 + vec3(1.0), rep); // Integer part + 1, mod period
Pi0 = mod289(Pi0);
Pi1 = mod289(Pi1);
vec3 Pf0 = fract(P); // Fractional part for interpolation
vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0
vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
vec4 iy = vec4(Pi0.yy, Pi1.yy);
vec4 iz0 = Pi0.zzzz;
vec4 iz1 = Pi1.zzzz;
vec4 ixy = permute(permute(ix) + iy);
vec4 ixy0 = permute(ixy + iz0);
vec4 ixy1 = permute(ixy + iz1);
vec4 gx0 = ixy0 * (1.0 / 5.0);
vec4 gy0 = fract(floor(gx0) * (1.0 / 5.0)) - 0.5;
gx0 = fract(gx0);
vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0);
vec4 sz0 = step(gz0, vec4(0.0));
gx0 -= sz0 * (step(0.0, gx0) - 0.5);
gy0 -= sz0 * (step(0.0, gy0) - 0.5);
vec4 gx1 = ixy1 * (1.0 / 5.0);
vec4 gy1 = fract(floor(gx1) * (1.0 / 5.0)) - 0.5;
gx1 = fract(gx1);
vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1);
vec4 sz1 = step(gz1, vec4(0.0));
gx1 -= sz1 * (step(0.0, gx1) - 0.5);
gy1 -= sz1 * (step(0.0, gy1) - 0.5);
vec3 g000 = vec3(gx0.x,gy0.x,gz0.x);
vec3 g100 = vec3(gx0.y,gy0.y,gz0.y);
vec3 g010 = vec3(gx0.z,gy0.z,gz0.z);
vec3 g110 = vec3(gx0.w,gy0.w,gz0.w);
vec3 g001 = vec3(gx1.x,gy1.x,gz1.x);
vec3 g101 = vec3(gx1.y,gy1.y,gz1.y);
vec3 g011 = vec3(gx1.z,gy1.z,gz1.z);
vec3 g111 = vec3(gx1.w,gy1.w,gz1.w);
vec4 norm0 = taylorInvSqrt(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
g000 *= norm0.x;
g010 *= norm0.y;
g100 *= norm0.z;
g110 *= norm0.w;
vec4 norm1 = taylorInvSqrt(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
g001 *= norm1.x;
g011 *= norm1.y;
g101 *= norm1.z;
g111 *= norm1.w;
float n000 = dot(g000, Pf0);
float n100 = dot(g100, vec3(Pf1.x, Pf0.yz));
float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z));
float n110 = dot(g110, vec3(Pf1.xy, Pf0.z));
float n001 = dot(g001, vec3(Pf0.xy, Pf1.z));
float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z));
float n011 = dot(g011, vec3(Pf0.x, Pf1.yz));
float n111 = dot(g111, Pf1);
vec3 fade_xyz = fade(Pf0);
vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z);
vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y);
float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x);
return 1.5 * n_xyz;
}
// Turbulence By Jaume Sanchez => https://codepen.io/spite/
varying vec2 vUv;
varying float noise;
varying float qnoise;
varying float displacement;
uniform float time;
uniform float displace;
uniform float pointscale;
uniform float decay;
uniform float size;
uniform float complex;
uniform float waves;
uniform float eqcolor;
uniform bool fragment;
float turbulence( vec3 p) {
float t = - 0.005;
for (float f = 1.0 ; f <= 1.0 ; f++ ){
float power = pow( 1.3, f );
t += abs( pnoise( vec3( power * p ), vec3( 10.0, 10.0, 10.0 ) ) / power );
}
return t;
}
void main() {
vUv = uv;
noise = (2.0 * - waves) * turbulence( decay * abs(normal + time));
qnoise = (0.3 * - eqcolor) * turbulence( decay * abs(normal + time));
float b = pnoise( complex * (position) + vec3( (decay * 2.0) * time ), vec3( 100.0 ) );
displacement = - atan(noise) + tan(b * displace);
vec3 newPosition = (position) + (normal * displacement);
gl_Position = (projectionMatrix * modelViewMatrix) * vec4( newPosition, abs(size) );
gl_PointSize = (3.0);
}
script#fragmentShader(type='x-shader/x-vertex').
varying float qnoise;
varying float noise;
uniform float time;
uniform bool redhell;
uniform float rcolor;
uniform float gcolor;
uniform float bcolor;
void main() {
float r, g, b;
if (!redhell == true) {
r = sin(qnoise + rcolor);
g = normalize(qnoise + (gcolor / 2.0));
b = tan(qnoise + bcolor);
} else {
r = normalize(qnoise + rcolor);
g = cos(qnoise + gcolor);
b = sin(qnoise + bcolor);
}
gl_FragColor = vec4(r, g, b, 1.0);
}
Raw
script.js
// Three JS
window.addEventListener('load', init, false);
function init() {
createWorld();
createGUI();
createPrimitive();
animation();
}
var Theme = {
primary: 0xFFFFFF,
secundary: 0x292733,
danger: 0xFF0000,
darker: 0x000000
};
//--------------------------------------------------------------------
var scene, camera, renderer, container;
var _width, _height;
var _primitive;
var shapeGroup = new THREE.Group();
var start = Date.now();
function createWorld() {
_width = window.innerWidth;
_height= window.innerHeight;
//---
scene = new THREE.Scene();
scene.background = new THREE.Color(Theme.secundary);
//---
camera = new THREE.PerspectiveCamera(35, _width/_height, 1, 1000);
camera.position.set(0,0,16);
//---
renderer = new THREE.WebGLRenderer({antialias:false, alpha:false});
renderer.setSize(_width, _height);
renderer.shadowMap.enabled = true;
//---
document.body.appendChild(renderer.domElement);
//---
window.addEventListener('resize', onWindowResize, false);
}
function onWindowResize() {
_width = window.innerWidth;
_height = window.innerHeight;
renderer.setSize(_width, _height);
camera.aspect = _width / _height;
camera.updateProjectionMatrix();
console.log('- resize -');
}
//--------------------------------------------------------------------
var primitiveElement = function() {
this.mesh = new THREE.Object3D();
mat = new THREE.ShaderMaterial( {
side:THREE.DoubleSide,
uniforms: {
time: {
type: "f",
value: 0.1
},
pointscale: {
type: "f",
value: 0.2
},
decay: {
type: "f",
value: 0.3
},
size: {
type: "f",
value: 0.3
},
displace: {
type: "f",
value: 0.3
},
complex: {
type: "f",
value: 0.0
},
waves: {
type: "f",
value: 0.10
},
eqcolor: {
type: "f",
value: 0.0
},
rcolor: {
type: "f",
value: 0.0
},
gcolor: {
type: "f",
value: 0.0
},
bcolor: {
type: "f",
value: 0.0
},
fragment: {
type: "i",
value: true
},
redhell: {
type: "i",
value: true
}
},
vertexShader: document.getElementById( 'vertexShader' ).textContent,
fragmentShader: document.getElementById( 'fragmentShader' ).textContent
});
//---
var wir_mat = new THREE.MeshBasicMaterial({color:Theme.darker});
var geo = new THREE.IcosahedronBufferGeometry(2, 6);
var wir = new THREE.IcosahedronBufferGeometry(2.3, 2);
this.shape = new THREE.Mesh(geo, mat);
this.point = new THREE.Points(wir, mat);
//---
shapeGroup.add(this.point);
shapeGroup.add(this.shape);
scene.add(shapeGroup);
}
function createPrimitive() {
_primitive = new primitiveElement();
}
var options = {
perlin: {
speed: 0.4,
size: 0.7,
perlins: 1.0,
decay: 1.20,
displace: 1.00,
complex: 0.50,
waves: 3.7,
eqcolor: 10.0,
rcolor: 1.5,
gcolor: 1.5,
bcolor: 1.5,
fragment: true,
points: false,
redhell: true
},
perlinRandom: function() {
TweenMax.to(this.perlin, 2, {
//decay: Math.random() * 1.0,
waves: Math.random() * 20.0,
complex: Math.random() * 1.0,
displace: Math.random() * 2.5,
ease:Elastic.easeOut
});
},
random: function() {
//this.perlin.redhell = Math.random() >= 0.5; // 10 1 0.1 1.2
TweenMax.to(this.perlin, 1, {
eqcolor: 11.0,
rcolor: Math.random() * 1.5,
gcolor: Math.random() * 0.5,
bcolor: Math.random() * 1.5,
ease:Quart.easeInOut
});
},
normal: function() {
this.perlin.redhell = true; // 10 1 0.1 1.2
TweenMax.to(this.perlin, 1, {
//speed: 0.12,
eqcolor: 10.0,
rcolor: 1.5,
gcolor: 1.5,
bcolor: 1.5,
ease:Quart.easeInOut
});
},
darker: function() {
this.perlin.redhell = false; // 10 1 0.1 1.2
TweenMax.to(this.perlin, 1, {
//speed: 0.5,
eqcolor: 9.0,
rcolor: 0.4,
gcolor: 0.05,
bcolor: 0.6,
ease:Quart.easeInOut
});
},
volcano: function() {
this.perlin.redhell = false; // 10 1 0.1 1.2
//this.perlin.speed = 0.83;
TweenMax.to(this.perlin, 1, {
size: 0.7,
waves: 0.6,
complex: 1.0,
displace: 0.3,
eqcolor: 9.0,
rcolor: 0.85,
gcolor: 0.05,
bcolor: 0.32,
ease:Quart.easeInOut
});
},
cloud: function() {
this.perlin.redhell = true; // 10 1 0.1 1.2
//this.perlin.speed = 0.1;
TweenMax.to(this.perlin, 1, {
size: 1.0,
waves :20.0,
complex: 0.1,
displace: 0.1,
eqcolor: 4.0,
rcolor: 1.5,
gcolor: 0.7,
bcolor: 1.5,
ease:Quart.easeInOut
});
},
tornasol: function() {
this.perlin.redhell = true; // 10 1 0.1 1.2
//this.perlin.speed = 0.25;
TweenMax.to(this.perlin, 1, {
size: 1.0,
waves: 3.0,
complex: 0.65,
displace: 0.5,
eqcolor: 9.5,
rcolor: 1.5,
gcolor: 1.5,
bcolor: 1.5,
ease:Quart.easeInOut
});
}
}
function createGUI() {
var gui = new dat.GUI();
var perlinGUI = gui.addFolder('Shape Setup');
perlinGUI.add(options, 'perlinRandom').name('• Random Shape');
perlinGUI.add(options.perlin, 'speed', 0.1, 1.0).name('Speed').listen();
perlinGUI.add(options.perlin, 'size', 0.0, 3.0).name('Size').listen();
//perlinGUI.add(options.perlin, 'decay', 0.0, 1.0).name('Decay').listen();
perlinGUI.add(options.perlin, 'waves', 0.0, 20.0).name('Waves').listen();
perlinGUI.add(options.perlin, 'complex', 0.1, 1.0).name('Complex').listen();
perlinGUI.add(options.perlin, 'displace', 0.1, 2.5).name('Displacement').listen();
//perlinGUI.open();
var colorGUI = gui.addFolder('Color');
colorGUI.add(options, 'random').name('• Random colors');
colorGUI.add(options, 'normal').name('• Normal colors');
colorGUI.add(options, 'darker').name('• Dark colors');
colorGUI.add(options.perlin, 'eqcolor', 0.0, 30.0).name('Hue').listen();
colorGUI.add(options.perlin, 'rcolor', 0.0, 2.5).name('R').listen();
colorGUI.add(options.perlin, 'gcolor', 0.0, 2.5).name('G').listen();
colorGUI.add(options.perlin, 'bcolor', 0.0, 2.5).name('B').listen();
colorGUI.add(options.perlin, 'redhell', true).name('Electroflow');
//colorGUI.open();
gui.add(options, 'volcano').name('• Volcano');
gui.add(options, 'tornasol').name('• Tornasol');
gui.add(options, 'cloud').name('• Cotton Candy');
gui.add(options.perlin, 'points', true).name('Points');
}
//--------------------------------------------------------------------
function animation() {
var performance = Date.now() * 0.003;
//---
//_primitive.shape.visible = !options.perlin.points;
_primitive.point.visible = options.perlin.points;
//---
mat.uniforms['time'].value = (options.perlin.speed / 1000) * (Date.now() - start);
mat.uniforms['pointscale'].value = options.perlin.perlins;
mat.uniforms['decay'].value = options.perlin.decay;
mat.uniforms['size'].value = options.perlin.size;
mat.uniforms['displace'].value = options.perlin.displace;
mat.uniforms['complex'].value = options.perlin.complex;
mat.uniforms['waves'].value = options.perlin.waves;
mat.uniforms['fragment'].value = options.perlin.fragment;
mat.uniforms['redhell'].value = options.perlin.redhell;
mat.uniforms['eqcolor'].value = options.perlin.eqcolor;
mat.uniforms['rcolor'].value = options.perlin.rcolor;
mat.uniforms['gcolor'].value = options.perlin.gcolor;
mat.uniforms['bcolor'].value = options.perlin.bcolor;
//---
requestAnimationFrame(animation);
renderer.render(scene, camera);
}
Raw
scripts
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/100/three.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.0.2/TweenMax.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/dat-gui/0.5/dat.gui.min.js"></script>
Raw
style.sass
$white: #FFFFFF
$black: #000000
body
color: $white
margin: 0
text-align: center
background-color: $black
canvas
display: block
width: 100%
height: 100%
p
color: rgba(255,255,255, 0.5)
.header
width: 250px
top: 50%
transform: translatey(-50%)
a, a:hover, a:visited
color: $white
text-decoration: none
h1
&:after
content: ' ThreeJS'
font-size: 0.6rem
position: relative
top: -1rem
Raw
styles
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" rel="stylesheet" />
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