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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              javascript:
  /*! simplex-noise.js: copyright 2012 Jonas Wagner, licensed under a MIT license. See https://github.com/jwagner/simplex-noise.js for details */
  !function(){"use strict";function SimplexNoise(random){random||(random=Math.random),this.p=new Uint8Array(256),this.perm=new Uint8Array(512),this.permMod12=new Uint8Array(512);for(var i=0;256>i;i++)this.p[i]=256*random();for(i=0;512>i;i++)this.perm[i]=this.p[255&i],this.permMod12[i]=this.perm[i]%12}var F2=.5*(Math.sqrt(3)-1),G2=(3-Math.sqrt(3))/6,F3=1/3,G3=1/6,F4=(Math.sqrt(5)-1)/4,G4=(5-Math.sqrt(5))/20;SimplexNoise.prototype={grad3:new Float32Array([1,1,0,-1,1,0,1,-1,0,-1,-1,0,1,0,1,-1,0,1,1,0,-1,-1,0,-1,0,1,1,0,-1,1,0,1,-1,0,-1,-1]),grad4:new Float32Array([0,1,1,1,0,1,1,-1,0,1,-1,1,0,1,-1,-1,0,-1,1,1,0,-1,1,-1,0,-1,-1,1,0,-1,-1,-1,1,0,1,1,1,0,1,-1,1,0,-1,1,1,0,-1,-1,-1,0,1,1,-1,0,1,-1,-1,0,-1,1,-1,0,-1,-1,1,1,0,1,1,1,0,-1,1,-1,0,1,1,-1,0,-1,-1,1,0,1,-1,1,0,-1,-1,-1,0,1,-1,-1,0,-1,1,1,1,0,1,1,-1,0,1,-1,1,0,1,-1,-1,0,-1,1,1,0,-1,1,-1,0,-1,-1,1,0,-1,-1,-1,0]),noise2D:function(xin,yin){var i1,j1,permMod12=this.permMod12,perm=this.perm,grad3=this.grad3,n0=0,n1=0,n2=0,s=(xin+yin)*F2,i=Math.floor(xin+s),j=Math.floor(yin+s),t=(i+j)*G2,X0=i-t,Y0=j-t,x0=xin-X0,y0=yin-Y0;x0>y0?(i1=1,j1=0):(i1=0,j1=1);var x1=x0-i1+G2,y1=y0-j1+G2,x2=x0-1+2*G2,y2=y0-1+2*G2,ii=255&i,jj=255&j,t0=.5-x0*x0-y0*y0;if(t0>=0){var gi0=3*permMod12[ii+perm[jj]];t0*=t0,n0=t0*t0*(grad3[gi0]*x0+grad3[gi0+1]*y0)}var t1=.5-x1*x1-y1*y1;if(t1>=0){var gi1=3*permMod12[ii+i1+perm[jj+j1]];t1*=t1,n1=t1*t1*(grad3[gi1]*x1+grad3[gi1+1]*y1)}var t2=.5-x2*x2-y2*y2;if(t2>=0){var gi2=3*permMod12[ii+1+perm[jj+1]];t2*=t2,n2=t2*t2*(grad3[gi2]*x2+grad3[gi2+1]*y2)}return 70*(n0+n1+n2)},noise3D:function(xin,yin,zin){var n0,n1,n2,n3,i1,j1,k1,i2,j2,k2,permMod12=this.permMod12,perm=this.perm,grad3=this.grad3,s=(xin+yin+zin)*F3,i=Math.floor(xin+s),j=Math.floor(yin+s),k=Math.floor(zin+s),t=(i+j+k)*G3,X0=i-t,Y0=j-t,Z0=k-t,x0=xin-X0,y0=yin-Y0,z0=zin-Z0;x0>=y0?y0>=z0?(i1=1,j1=0,k1=0,i2=1,j2=1,k2=0):x0>=z0?(i1=1,j1=0,k1=0,i2=1,j2=0,k2=1):(i1=0,j1=0,k1=1,i2=1,j2=0,k2=1):z0>y0?(i1=0,j1=0,k1=1,i2=0,j2=1,k2=1):z0>x0?(i1=0,j1=1,k1=0,i2=0,j2=1,k2=1):(i1=0,j1=1,k1=0,i2=1,j2=1,k2=0);var x1=x0-i1+G3,y1=y0-j1+G3,z1=z0-k1+G3,x2=x0-i2+2*G3,y2=y0-j2+2*G3,z2=z0-k2+2*G3,x3=x0-1+3*G3,y3=y0-1+3*G3,z3=z0-1+3*G3,ii=255&i,jj=255&j,kk=255&k,t0=.6-x0*x0-y0*y0-z0*z0;if(0>t0)n0=0;else{var gi0=3*permMod12[ii+perm[jj+perm[kk]]];t0*=t0,n0=t0*t0*(grad3[gi0]*x0+grad3[gi0+1]*y0+grad3[gi0+2]*z0)}var t1=.6-x1*x1-y1*y1-z1*z1;if(0>t1)n1=0;else{var gi1=3*permMod12[ii+i1+perm[jj+j1+perm[kk+k1]]];t1*=t1,n1=t1*t1*(grad3[gi1]*x1+grad3[gi1+1]*y1+grad3[gi1+2]*z1)}var t2=.6-x2*x2-y2*y2-z2*z2;if(0>t2)n2=0;else{var gi2=3*permMod12[ii+i2+perm[jj+j2+perm[kk+k2]]];t2*=t2,n2=t2*t2*(grad3[gi2]*x2+grad3[gi2+1]*y2+grad3[gi2+2]*z2)}var t3=.6-x3*x3-y3*y3-z3*z3;if(0>t3)n3=0;else{var gi3=3*permMod12[ii+1+perm[jj+1+perm[kk+1]]];t3*=t3,n3=t3*t3*(grad3[gi3]*x3+grad3[gi3+1]*y3+grad3[gi3+2]*z3)}return 32*(n0+n1+n2+n3)},noise4D:function(x,y,z,w){var n0,n1,n2,n3,n4,perm=(this.permMod12,this.perm),grad4=this.grad4,s=(x+y+z+w)*F4,i=Math.floor(x+s),j=Math.floor(y+s),k=Math.floor(z+s),l=Math.floor(w+s),t=(i+j+k+l)*G4,X0=i-t,Y0=j-t,Z0=k-t,W0=l-t,x0=x-X0,y0=y-Y0,z0=z-Z0,w0=w-W0,rankx=0,ranky=0,rankz=0,rankw=0;x0>y0?rankx++:ranky++,x0>z0?rankx++:rankz++,x0>w0?rankx++:rankw++,y0>z0?ranky++:rankz++,y0>w0?ranky++:rankw++,z0>w0?rankz++:rankw++;var i1,j1,k1,l1,i2,j2,k2,l2,i3,j3,k3,l3;i1=rankx>=3?1:0,j1=ranky>=3?1:0,k1=rankz>=3?1:0,l1=rankw>=3?1:0,i2=rankx>=2?1:0,j2=ranky>=2?1:0,k2=rankz>=2?1:0,l2=rankw>=2?1:0,i3=rankx>=1?1:0,j3=ranky>=1?1:0,k3=rankz>=1?1:0,l3=rankw>=1?1:0;var x1=x0-i1+G4,y1=y0-j1+G4,z1=z0-k1+G4,w1=w0-l1+G4,x2=x0-i2+2*G4,y2=y0-j2+2*G4,z2=z0-k2+2*G4,w2=w0-l2+2*G4,x3=x0-i3+3*G4,y3=y0-j3+3*G4,z3=z0-k3+3*G4,w3=w0-l3+3*G4,x4=x0-1+4*G4,y4=y0-1+4*G4,z4=z0-1+4*G4,w4=w0-1+4*G4,ii=255&i,jj=255&j,kk=255&k,ll=255&l,t0=.6-x0*x0-y0*y0-z0*z0-w0*w0;if(0>t0)n0=0;else{var gi0=perm[ii+perm[jj+perm[kk+perm[ll]]]]%32*4;t0*=t0,n0=t0*t0*(grad4[gi0]*x0+grad4[gi0+1]*y0+grad4[gi0+2]*z0+grad4[gi0+3]*w0)}var t1=.6-x1*x1-y1*y1-z1*z1-w1*w1;if(0>t1)n1=0;else{var gi1=perm[ii+i1+perm[jj+j1+perm[kk+k1+perm[ll+l1]]]]%32*4;t1*=t1,n1=t1*t1*(grad4[gi1]*x1+grad4[gi1+1]*y1+grad4[gi1+2]*z1+grad4[gi1+3]*w1)}var t2=.6-x2*x2-y2*y2-z2*z2-w2*w2;if(0>t2)n2=0;else{var gi2=perm[ii+i2+perm[jj+j2+perm[kk+k2+perm[ll+l2]]]]%32*4;t2*=t2,n2=t2*t2*(grad4[gi2]*x2+grad4[gi2+1]*y2+grad4[gi2+2]*z2+grad4[gi2+3]*w2)}var t3=.6-x3*x3-y3*y3-z3*z3-w3*w3;if(0>t3)n3=0;else{var gi3=perm[ii+i3+perm[jj+j3+perm[kk+k3+perm[ll+l3]]]]%32*4;t3*=t3,n3=t3*t3*(grad4[gi3]*x3+grad4[gi3+1]*y3+grad4[gi3+2]*z3+grad4[gi3+3]*w3)}var t4=.6-x4*x4-y4*y4-z4*z4-w4*w4;if(0>t4)n4=0;else{var gi4=perm[ii+1+perm[jj+1+perm[kk+1+perm[ll+1]]]]%32*4;t4*=t4,n4=t4*t4*(grad4[gi4]*x4+grad4[gi4+1]*y4+grad4[gi4+2]*z4+grad4[gi4+3]*w4)}return 27*(n0+n1+n2+n3+n4)}},"undefined"!=typeof define&&define.amd&&define(function(){return SimplexNoise}),"undefined"!=typeof exports?exports.SimplexNoise=SimplexNoise:"undefined"!=typeof window&&(window.SimplexNoise=SimplexNoise),"undefined"!=typeof module&&(module.exports=SimplexNoise)}();
  
    // Typed array .fill polyfill
  if (typeof Uint16Array.prototype.fill !== 'function') {
      Uint16Array.prototype.fill = function(value) {
          var i = this.length;
          while (i--) {
              this[i] = value;
          }
      }
  }
            
          
!
            
              html, body, canvas
	width: 100%
	height: 100%
	margin: 0
	font-size: 0

            
          
!
            
              const FG = [8, 0, 0, 0.3];
const BG = [130, 140, 156];
const SMOOTHNESS = 2000;
const R = 40;
const MAX_AGE = 70;
const NUM_AGENTS = 4000;
const LINE_WIDTH = 1;

const {cos, PI, sin} = Math;
const canvas = document.createElement('canvas');
let W, H;
canvas.style.background = `rgb(${BG})`;
document.body.appendChild(canvas);

const ctx = canvas.getContext('2d');

function init () {
	W = canvas.width = window.innerWidth * 2;
	H = canvas.height = window.innerHeight * 2;	
	ctx.lineWidth = LINE_WIDTH;
	ctx.strokeStyle = `rgba(${FG})`;
	ctx.globalCompositeOperation = 'lighter';
	draw();
}

function draw () {
	const simplex = new SimplexNoise();
	ctx.clearRect(0, 0, W, H);
	
	let n = NUM_AGENTS + 1;
	while (--n) {
		let x = Math.random() * W;
		let y = Math.random() * H;
		let age = 0;
		ctx.beginPath();
		ctx.moveTo(x, y);
		while (x > 0 && y > 0 && x < W && y < H && age < MAX_AGE) {
			const theta = simplex.noise2D(x / SMOOTHNESS, y / SMOOTHNESS) * PI;
			x += R*cos(theta);
			y += R*sin(theta);
			ctx.lineTo(x, y);
			++age;
		}
		ctx.stroke();
	}
}

init();
document.body.addEventListener('click', draw, false);
window.addEventListener('resize', init);

            
          
!
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