Only CSS: 3D Scan

index.pug

.container
  - for (i = 0; i < 400; i++)
    .trigger
  .monitor
    .camera.o-x
      .camera.o-y
        .camera.o-z
          .vr
            - for (i = 0; i < 20; i++)
              .vr_layer
                .vr_layer_item

only-css-3d-scan.markdown

Only CSS: 3D Scan

3D scan art with pure CSS.

Inspiration https://twitter.com/TatsuyaBot/status/1119824771733049344

A Pen by Gavin Hall on CodePen.

License.

style.scss

$size: 350px;
$layer: 20;

body {
  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
  height: 100vh;
  overflow: hidden;
  display: flex;
  font-family: 'Anton', sans-serif;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.container {
  position: relative;
  display: grid;
  grid-template-rows: repeat(20, 5vh);
  grid-template-columns: repeat(20, 5vw);
  transform-style: preserve-3d;
}

.monitor {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-style: preserve-3d;
}

.trigger {
  &:active ~ .monitor {
    .vr_layer_item {
      width: 40%;
      height: 40%;
      border-radius: 5px;
    }    
  }

  @for $i from 1 through 20 {
    @for $j from 1 through 20 {
      $key: ($i - 1) * 20 + $j;
      
      &:nth-child(#{$key}) {
        &:hover ~ .monitor {
          .camera {
            &.o-y {
              transform: rotateY(($j - 10) * -8deg);
            }
            
            &.o-x {
              transform: rotateX(($i - 10) * 8deg);
            }
          }
        }
      }
    }
  }
}

.camera {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: 500ms;
  
  &.o-y {
    transform: rotateY(-30deg);
  }
}

.vr {
  position: absolute;
  top: 50%;
  left: 50%;
  width: $size;
  height: $size;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;

  &_layer {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    border: 1px solid rgba(#fff, 0.2);
    background: rgba(#09f, 0.006);
    border-radius: 10px;
    transform: preserve-3d;

    @for $i from 1 through $layer {
      &:nth-child(#{$i}) {
        transform: translateZ($i * $size / $layer - $size / 2);
      }
      
      &:nth-child(#{$i}) &_item {
        animation-delay: $i * -210ms;
      }
    }
    
    &_item {
      width: 70%;
      height: 70%;
      border: 3px solid #fff;
      border-radius: 100%;
      background: rgba(#000, 0.05);
      animation: sphere 3000ms cubic-bezier(0.215, 0.610, 0.355, 1.000) alternate infinite, color 5000ms linear alternate infinite;
      transition: 500ms;
    }
  }
}

@keyframes sphere {
  0% {
    transform: scale(0) rotateZ(45deg);
  }
  
  50% {
    transform: scale(0) rotateZ(45deg);
  }
  
  100% {
    transform: scale(1) rotateZ(45deg);
  }
}

@keyframes color {
  0% {
    border-color: #f55;
  }
  
  50% {
    border-color: #55f;
  }
  
  100% {
    border-color: #5f5;
  }
}

styles

<link href="https://fonts.googleapis.com/css?family=Anton" rel="stylesheet" />