Amoebic Mass

Amoebic Mass.markdown

Amoebic Mass

Not sure why, but here. At least it's oddly responsive. #useless

A Pen by Jake Albaugh on CodePen.

License.

index.haml

.container
  - (1..60).each do |l|
    %span{:class => "light light-#{l}"}

style.scss

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background: radial-gradient(#222, #000);
  background-attachment: fixed;
}

body {
  margin: 0;
  overflow: hidden;
  text-align: center;
}

$lights: 60;
$margin: 30px;
$speed: 4s;

.container {
  width: 80%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}

@mixin light($color, $delay){
  position: relative;
  display: inline-block;
  width: 0;
  height: 0;
  margin: $margin;
  background-color: rgba(255,255,255,0);

  opacity: 0;
  animation: light $speed linear infinite;
  animation-delay: $delay;
  border-radius: 50%;
  box-shadow: 
    0 0 40px 20px rgba(255,255,255,0.5),
    0 0 50px 40px $color;

}

@for $i from 1 through $lights {
  $random: (random(100)/100);
  $random_timing: 0.5s * (random(1000)/100);
  $random_color: hsl($random*360,50%,50%);
  .light-#{$i} {
    @include light($random_color, $random_timing);
  }
}

@keyframes light {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0.5;
  }
  70% {
    opacity: 0;
  }
}