cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

Quick-add: + add another resource

Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <div class="title">
    <h3>A N O T H E R <strong>C O D E P E N</strong></h3>
  </div>
  <div class="more-pens">
    <a target="_blank" href="https://codepen.io/plasm/" class="white-mode">VIEW OTHER PENS</a>
    <a target="_blank" href="https://codepen.io/collection/nZpPbz/" class="white-mode">VIEW OTHER PARTICLES</a>
  </div>
            
          
!
            
              
@import url('https://fonts.googleapis.com/css?family=Montserrat:200,300,400,600')

.more-pens
  position: fixed
  left: 20px
  bottom: 20px
  z-index: 10
  font-family: "Montserrat"
  font-size: 12px

a.white-mode, a.white-mode:link, a.white-mode:visited, a.white-mode:active
  font-family: "Montserrat"
  font-size: 12px
  text-decoration: none
  background: #212121
  padding: 4px 8px
  color: #f7f7f7
  &:hover
    background: #edf3f8
    color: #212121

body
  margin: 0
  padding: 0
  overflow: hidden
  width: 100%
  height: 100%
  background: #111111


.title
  z-index: 10
  position: absolute
  left: 50%
  top: 50%
  height: 250px
  transform: translateX(-50%) translateY(-50%)
  font-family: "Montserrat"
  text-align: center
  width: 100%


  h3
    position: absolute
    bottom: 0
    width: 100%
    text-align: center
    font-weight: 200
    font-size: 20px
    padding: 0
    margin: 0
    line-height: 1
    color: #EEEEEE
    letter-spacing: 2px

            
          
!
            
              let particles = [];
let frequency = 20
// Popolate particles
setInterval(
  function(){
    popolate()
  }.bind(this),
  frequency
)

let c1 = createCanvas({width: $(window).width(), height: $(window).height()})
let c2 = createCanvas({width: $(window).width(), height: $(window).height()})
let c3 = createCanvas({width: $(window).width(), height: $(window).height()})

let tela   = c1.canvas;
let canvas = c1.context;

// $("body").append(tela);
$("body").append(c3.canvas);
writeText(c2.canvas, c2.context, "PARTICLES\nWRITE\nTEXT")


class Particle{
  constructor(canvas, options){
    let random = Math.random()
    this.canvas = canvas;
    this.x = options.x
    this.y = options.y
    this.s = (3 + Math.random());
    this.a = 0
    this.w = $(window).width()
    this.h = $(window).height()
    this.radius = 0.5 + Math.random()*20
    this.color  = this.radius > 5 ? "#FF5E4C" : "#ED413C" //this.randomColor()
  }

  randomColor() {
    let colors = ["#FF5E4C", "#FFFFFF"];
    return colors[this.randomIntFromInterval(0,colors.length-1)];
  }

  randomIntFromInterval(min,max){
      return Math.floor(Math.random()*(max-min+1)+min);
  }

  render(){
    this.canvas.beginPath();
    this.canvas.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
    this.canvas.lineWidth = 2;
    this.canvas.fillStyle = this.color;
    this.canvas.fill();
    this.canvas.closePath();
  }

  move(){
    //this.swapColor()
    this.x += Math.cos(this.a) * this.s;
    this.y += Math.sin(this.a) * this.s;
    this.a += Math.random() * 0.8 - 0.4;

    if(this.x < 0 || this.x > this.w - this.radius){
      return false
    }

    if(this.y < 0 || this.y > this.h - this.radius){
      return false
    }
    this.render()
    return true
  }
}

function createCanvas(properties){
  let canvas = document.createElement('canvas');
      canvas.width = properties.width;
      canvas.height = properties.height;
  let context = canvas.getContext('2d');
  return {
    canvas: canvas,
    context: context
  }
}

function writeText(canvas, context, text){
  let size = 100
  context.font = size + "px Montserrat";
  context.fillStyle = "#111111";
  context.textAlign = "center";
  let lineheight = 70
  let lines = text.split('\n');
  for(let i = 0; i<lines.length; i++){
    context.fillText(lines[i], canvas.width/2, canvas.height/2 + lineheight*i - (lineheight*(lines.length-1))/3);
  }
}

function maskCanvas(){
  c3.context.drawImage(c2.canvas, 0, 0, c2.canvas.width, c2.canvas.height);
  c3.context.globalCompositeOperation = 'source-atop';
  c3.context.drawImage(c1.canvas, 0, 0);
  blur(c1.context,c1.canvas, 2)
}

function blur(ctx,canvas, amt) {
  ctx.filter = `blur(${amt}px)`
  ctx.drawImage(canvas, 0, 0)
  ctx.filter = 'none'
}


/*
 * Function to clear layer canvas
 * @num:number number of particles
 */
function popolate(){
  particles.push(
    new Particle(canvas,{
      x: ($(window).width()/2),
      y: ($(window).height()/2)
    })
  )
  return particles.length
}

function clear(){
  canvas.globalAlpha=0.03;
  canvas.fillStyle='#111111';
  canvas.fillRect(0, 0, tela.width, tela.height);
  canvas.globalAlpha=1;
}

function update(){
  clear();
  particles = particles.filter(function(p) {
    return p.move()
  })
  maskCanvas()
  requestAnimationFrame(update.bind(this))
}

update()

            
          
!
999px
Loading ..................

Console