Pure CSS sphere

index.pug

.mommy
  .daddy
    - for (var x = 1; x < 300; x++)
      span

pure-css-sphere.markdown

Pure CSS sphere

Yeah I finally did it !
A 100% pure CSS sphere :)
I'm kinda proud of myself with this pen :3
Thanks to @DeptofJeffAyer for helping me with the perspective <o/

A Pen by Louis Hoebregts on CodePen.

License.

style.scss

@import "compass";

body{
  margin: 0;
  display: flex;
  height: 100vh;
  overflow: hidden;
  justify-content: center;
  align-items: center;
  background:black;
}

.mommy{
  width: 500px;
  height: 500px;
  position: relative;
  perspective: 800px;
}
.daddy{
  width: 500px;
  height: 500px;
  transform-style: preserve-3d;
  animation : rotate 25s infinite linear;
}
span{
  display: inline-block;
  position: absolute;
  top:50%;
  left:50%;
  perspective: 800px;
  transform-style: preserve-3d;
  width: 0;
  height: 0;
  &:before{
    content:"";
    width: 4px;
    height: 4px;
    display: inline-block;
    position: absolute;
    top: calc(50% - 2px);
    left: calc(50% - 2px);
    background: currentColor;
    color: inherit;
    border-radius: 50%;
    animation: invertRotate 25s infinite linear, scale 2s infinite linear;
    box-shadow: 0 0 10px currentColor;
  }
}

$amount : 300;
@for $i from 1 through $amount {
  
  $theta : ($i / $amount)*120;
  $phi : ($i / $amount) * pi();
  $x : 250 * sin($phi) * cos($theta);
  $y : 250 * sin($phi) * sin($theta);
  $z : 250 * cos($phi);
  .mommy span:nth-child(#{$i}){
    transform: translate3d($x+px, $y+px, $z+px);
    color: hsl(($i/$amount)*360,100%,50%);
    &:before{
      animation-delay: 0s, -($i/$amount)*2+s;
    }
  }  
}

@keyframes rotate{
  to{transform:rotateY(360deg);}
}
@keyframes invertRotate{
  to{transform:rotateY(-360deg);}
}
@keyframes scale{
  0%, 45%,55%{ box-shadow: 0 0 10px 0px  currentColor;}
  50%{ box-shadow: 0 0 10px 5px currentColor;}
}