2 002 Codepen

Полет желе (noise)

Абстрактный noise —  полет желе

HTML

<div class="collection">
  Go to Collection:
  <br>
  <span>
    <a class="textHover" target="_blank" href="https://codepen.io/collection/DpwaJW/">Art of Noise</a>
  </span>
</div>
<div class="name textHover">
  Jelly Flight
</div>

CSS

@import url('https://fonts.googleapis.com/css?family=Laila|Lobster');

html, body{
  overflow: hidden;
  padding: 0px;
  margin: 0px;
}

.collection,
.name{
  position: absolute;
  color: #fff;
  padding: 5px;
  text-align: left;
  font-size: 24px;
  font-family: 'Laila', serif;
  transition: 200ms ease-in-out;
  text-shadow: 2px 0px 4px #000;
}

.collection{
  font-size: 18px !important;
  top: 50px;
  left: 0px;
}

.collection > span{
  font-size: 24px;
}

.name{
  top: 5px;
  left: 5px;
  font-family: 'Lobster', serif;
}

.collection > span > a{
  font-family: 'Lobster', serif;
  position: relative;
  transition: all 200ms ease-in-out;
}

.textHover:active,
.textHover:link,
.textHover:visited,
.textHover:hover{
  text-decoration: none;
  color: #fff;
}

.textHover:before,
.textHover:after{
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: -5px;
  left: 0px;
  box-shadow: 0px 0px 10px #fff;
  background-color: white;
  visibility: hidden;
  transform: scaleX(0);
  transition: all 200ms ease-in-out;
}

.textHover:after{
  top: -2px;
  transition-delay: 200ms;
}

.textHover:hover:before,
.textHover:hover:after,
.textHover:hover{
  visibility: visible;
  transform: scaleX(1);
  cursor: pointer;
  text-shadow: 0px 0px 10px #fff;
}

JS

Потребуется библиотека three.js
https://cdnjs.cloudflare.com/ajax/libs/three.js/102/three.min.js
дополнительный скрипт
!function(t){var o=t.noise={};function r(t,o,r){this.x=t,this.y=o,this.z=r}r.prototype.dot2=function(t,o){return this.x*t+this.y*o},r.prototype.dot3=function(t,o,r){return this.x*t+this.y*o+this.z*r};var n=[new r(1,1,0),new r(-1,1,0),new r(1,-1,0),new r(-1,-1,0),new r(1,0,1),new r(-1,0,1),new r(1,0,-1),new r(-1,0,-1),new r(0,1,1),new r(0,-1,1),new r(0,1,-1),new r(0,-1,-1)],e=[151,160,137,91,90,15,131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,190,6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,88,237,149,56,87,174,20,125,136,171,168,68,175,74,165,71,134,139,48,27,166,77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,102,143,54,65,25,63,161,1,216,80,73,209,76,132,187,208,89,18,169,200,196,135,130,116,188,159,86,164,100,109,198,173,186,3,64,52,217,226,250,124,123,5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,223,183,170,213,119,248,152,2,44,154,163,70,221,153,101,155,167,43,172,9,129,22,39,253,19,98,108,110,79,113,224,232,178,185,112,104,218,246,97,228,251,34,242,193,238,210,144,12,191,179,162,241,81,51,145,235,249,14,239,107,49,192,214,31,181,199,106,157,184,84,204,176,115,121,50,45,127,4,150,254,138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180],a=new Array(512),i=new Array(512);o.seed=function(t){t>0&&t<1&&(t*=65536),(t=Math.floor(t))<256&&(t|=t<<8);for(var o=0;o<256;o++){var r;r=1&o?e[o]^255&t:e[o]^t>>8&255,a[o]=a[o+256]=r,i[o]=i[o+256]=n[r%12]}},o.seed(0);var d=.5*(Math.sqrt(3)-1),f=(3-Math.sqrt(3))/6,h=1/6;function u(t){return t*t*t*(t*(6*t-15)+10)}function s(t,o,r){return(1-r)*t+r*o}o.simplex2=function(t,o){var r,n,e=(t+o)*d,h=Math.floor(t+e),u=Math.floor(o+e),s=(h+u)*f,l=t-h+s,w=o-u+s;l>w?(r=1,n=0):(r=0,n=1);var v=l-r+f,M=w-n+f,c=l-1+2*f,p=w-1+2*f,y=i[(h&=255)+a[u&=255]],x=i[h+r+a[u+n]],m=i[h+1+a[u+1]],q=.5-l*l-w*w,z=.5-v*v-M*M,A=.5-c*c-p*p;return 70*((q<0?0:(q*=q)*q*y.dot2(l,w))+(z<0?0:(z*=z)*z*x.dot2(v,M))+(A<0?0:(A*=A)*A*m.dot2(c,p)))},o.simplex3=function(t,o,r){var n,e,d,f,u,s,l=(t+o+r)*(1/3),w=Math.floor(t+l),v=Math.floor(o+l),M=Math.floor(r+l),c=(w+v+M)*h,p=t-w+c,y=o-v+c,x=r-M+c;p>=y?y>=x?(n=1,e=0,d=0,f=1,u=1,s=0):p>=x?(n=1,e=0,d=0,f=1,u=0,s=1):(n=0,e=0,d=1,f=1,u=0,s=1):y<x?(n=0,e=0,d=1,f=0,u=1,s=1):p<x?(n=0,e=1,d=0,f=0,u=1,s=1):(n=0,e=1,d=0,f=1,u=1,s=0);var m=p-n+h,q=y-e+h,z=x-d+h,A=p-f+2*h,b=y-u+2*h,g=x-s+2*h,j=p-1+.5,k=y-1+.5,B=x-1+.5,C=i[(w&=255)+a[(v&=255)+a[M&=255]]],D=i[w+n+a[v+e+a[M+d]]],E=i[w+f+a[v+u+a[M+s]]],F=i[w+1+a[v+1+a[M+1]]],G=.6-p*p-y*y-x*x,H=.6-m*m-q*q-z*z,I=.6-A*A-b*b-g*g,J=.6-j*j-k*k-B*B;return 32*((G<0?0:(G*=G)*G*C.dot3(p,y,x))+(H<0?0:(H*=H)*H*D.dot3(m,q,z))+(I<0?0:(I*=I)*I*E.dot3(A,b,g))+(J<0?0:(J*=J)*J*F.dot3(j,k,B)))},o.perlin2=function(t,o){var r=Math.floor(t),n=Math.floor(o);t-=r,o-=n;var e=i[(r&=255)+a[n&=255]].dot2(t,o),d=i[r+a[n+1]].dot2(t,o-1),f=i[r+1+a[n]].dot2(t-1,o),h=i[r+1+a[n+1]].dot2(t-1,o-1),l=u(t);return s(s(e,f,l),s(d,h,l),u(o))},o.perlin3=function(t,o,r){var n=Math.floor(t),e=Math.floor(o),d=Math.floor(r);t-=n,o-=e,r-=d;var f=i[(n&=255)+a[(e&=255)+a[d&=255]]].dot3(t,o,r),h=i[n+a[e+a[d+1]]].dot3(t,o,r-1),l=i[n+a[e+1+a[d]]].dot3(t,o-1,r),w=i[n+a[e+1+a[d+1]]].dot3(t,o-1,r-1),v=i[n+1+a[e+a[d]]].dot3(t-1,o,r),M=i[n+1+a[e+a[d+1]]].dot3(t-1,o,r-1),c=i[n+1+a[e+1+a[d]]].dot3(t-1,o-1,r),p=i[n+1+a[e+1+a[d+1]]].dot3(t-1,o-1,r-1),y=u(t),x=u(o),m=u(r);return s(s(s(f,v,y),s(h,M,y),m),s(s(l,c,y),s(w,p,y),m),x)}}(this);
и сам скрипт реализации идеи
var scene, camera, renderer, controls;
colors = [
  [0xD563FF,0x9B5AE8,0x639AFF,0x9B5AE8,0x639AFF,0x5A67E8],
  [0xFF0000,0xEB7236,0xFF250D,0xFFE930,0xFF250D,0xEB7236],
  [0x5EC5FF,0x1FBEFF,0x2C53FF,0xA1FF3B,0x1FBEFF,0xA1FF3B],
  [0xFF380D,0xFF0061,0xE80CCE,0xCC0DFF,0xFF0061,0xE80CCE]
];
col = 1; // Color Palette
planeX = 300;
planeY = 2000;
planeZ = 70;
xNoiseScale = 70;
yNoiseScale = 200;
zNoiseScale = 50;
noiseSpeed = 0.00015;
cameraSpeed = 1;
colI = 2; // Light Intensity
colD = 500; // Light Distance
obj = [];

window.onresize = function(){
  var w = window.innerWidth, h = window.innerHeight;
  camera.aspect = w / h;
  camera.updateProjectionMatrix();
  renderer.setSize( w, h );
}

var scene = new THREE.Scene();

var camera = new THREE.PerspectiveCamera( 35, window.innerWidth/window.innerHeight, 0.1, 1000 );
camera.position.y = -planeY/2;
camera.position.z = planeZ/2;
camera.lookAt(0,0,planeZ);

var renderer = new THREE.WebGLRenderer({antialias:true});
renderer.setClearColor("#000000");
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );

var starsGeometry = new THREE.Geometry();
for(i=0; i<3000; i++){
    var star = new THREE.Vector3();
    star.x = THREE.Math.randFloatSpread(3000);
    star.y = THREE.Math.randFloatSpread(3000);
    star.z = THREE.Math.randFloatSpread(3000);
    starsGeometry.vertices.push(star);
}
var starsMaterial = new THREE.PointsMaterial({color: 0xFFFFFF});
var starField = new THREE.Points(starsGeometry,starsMaterial);
scene.add(starField);

mat = new THREE.MeshLambertMaterial({ color: 0xffffff, side: THREE.DoubleSide });
geo = new THREE.PlaneBufferGeometry(planeX,planeY,planeX/2,planeY/2);
planeT = new THREE.Mesh(geo, mat);
planeB = new THREE.Mesh(geo, mat);
scene.add(planeT);
scene.add(planeB);
planeB.position.z = planeZ;

ambientLight = new THREE.AmbientLight("#333"),
scene.add(ambientLight);
var light = new THREE.PointLight(colors[col][0], colI, colD);
light.position.set(0,planeY/2,planeZ/2);
scene.add(light);
var light = new THREE.PointLight(colors[col][1], colI, colD);
light.position.set(0,-planeY/2,planeZ/2);
scene.add(light);
var light = new THREE.PointLight(colors[col][2], colI, colD);
light.position.set(0,planeY/4,planeZ/2);
scene.add(light);
var light = new THREE.PointLight(colors[col][3], colI, colD);
light.position.set(0,-planeY/4,planeZ/2);
scene.add(light);
var light = new THREE.PointLight(colors[col][4], colI, colD);
light.position.set(0,-planeY/8,planeZ/2);
scene.add(light);
var light = new THREE.PointLight(colors[col][5], colI, colD);
light.position.set(0,planeY/8,planeZ/2);
scene.add(light);

function animate() {
  gpT = planeT.geometry.attributes.position;
  gpB = planeB.geometry.attributes.position;
  nt = Date.now() * noiseSpeed;
  for (i=0; i<gpT.array.length; i+=3) {
    gpT.array[i+2] = noise.perlin3(gpT.array[i]/xNoiseScale, gpT.array[i+1]/yNoiseScale, nt)*zNoiseScale;
    gpB.array[i+2] = noise.perlin3(gpB.array[i]/xNoiseScale, gpB.array[i+1]/yNoiseScale, nt)*zNoiseScale;
  }
  gpT.needsUpdate = true;
  gpB.needsUpdate = true;
  
  camera.position.y>planeY/2?
    camera.position.y=-planeY/2:
    camera.position.y+=cameraSpeed;
}

var render = function () {
  requestAnimationFrame( render );
  renderer.render(scene, camera);
  animate();
};
render();
Ссылки
https://codepen.io/Tibixx/pen/jRGzzw

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