Rotate cube

index.html

<div class="scene">
  <div class="cube">
    <div class="cube__face cube__face--front"></div>
    <div class="cube__face cube__face--back"></div>
    <div class="cube__face cube__face--right"></div>
    <div class="cube__face cube__face--left"></div>
    <div class="cube__face cube__face--top"></div>
    <div class="cube__face cube__face--bottom"></div>
    <div class="cube__inline cube__inline--1"></div>
    <div class="cube__inline cube__inline--2"></div>
    <div class="cube__inline cube__inline--3"></div>
    <div class="cube__inline cube__inline--4"></div>
    <div class="cube__inline cube__inline--5"></div>
    <div class="cube__inline cube__inline--6"></div>
  </div>
</div>
<p class="radio-group">
  <label>
    <input type="radio" name="rotate-cube-side" value="front" checked />front
  </label>
  <label>
    <input type="radio" name="rotate-cube-side" value="right" /> right
  </label>
  <label>
    <input type="radio" name="rotate-cube-side" value="back" /> back
  </label>
  <label>
    <input type="radio" name="rotate-cube-side" value="left" /> left
  </label>
  <label>
    <input type="radio" name="rotate-cube-side" value="top" /> top
  </label>
  <label>
    <input type="radio" name="rotate-cube-side" value="bottom" /> bottom
  </label>
</p>

rotate-cube.markdown

Rotate cube

From Intro to CSS 3D Transforms

A Pen by Mathieu Habegger on CodePen.

License.

script.js

var cube = document.querySelector('.cube');
var radioGroup = document.querySelector('.radio-group');
var currentClass = '';

function changeSide() {
  var checkedRadio = radioGroup.querySelector(':checked');
  var showClass = 'show-' + checkedRadio.value;
  if ( currentClass ) {
    cube.classList.remove( currentClass );
  }
  cube.classList.add( showClass );
  currentClass = showClass;
}
// set initial side
changeSide();

radioGroup.addEventListener( 'change', changeSide );

style.css

* { box-sizing: border-box; }

body { font-family: sans-serif; }

.scene {
  width: 200px;
  height: 200px;
  border: 1px solid #CCC;
  margin: 80px;
  /* perspective: 400px; */
  perspective: 0px;
}

.cube {
  width: 200px;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  transform: translateZ(-100px);
  transition: transform 1s;
}

.cube.show-front  { 
  transform: translateZ(-100px) rotateX(   35.264deg) rotateY(   45deg); }
.cube.show-right  { transform: rotateX(   0deg) rotateY(54.5deg) rotateZ(-45deg);}
.cube.show-back   { transform: rotateX(   54.5deg) rotateY(0deg) rotateZ(-45deg); }
.cube.show-left   { transform: rotateX(   54.5deg) rotateY(0deg) rotateZ(45deg); }
.cube.show-top    { transform: rotateX(   54.5deg) rotateY(0deg) rotateZ(225deg); }
.cube.show-bottom { transform: rotateX(   0deg) rotateY(54.5deg) rotateZ(225deg); }

.cube__face {
  position: absolute;
  width: 200px;
  height: 200px;
  border: 10px solid black;
  line-height: 200px;
  font-size: 40px;
  font-weight: bold;
  color: white;
  text-align: center;
  padding: 0;
}
.cube__inline {
  position: absolute;
  width: 200px;
  height: 280px;
  top: -40px;
  border: 10px solid black;
  line-height: 200px;
  font-size: 40px;
  font-weight: bold;
  color: white;
  text-align: center;
  padding: 0;
}

.cube__inline--1  { transform: rotateX(  45deg)  }
.cube__inline--2  { transform: rotateX(  -45deg)  }
.cube__inline--3  { transform: rotateZ(  -45deg) rotateY(  90deg)  }
.cube__inline--4  { transform: rotateZ(  45deg) rotateY(  90deg)  }
.cube__inline--5  { transform: rotateZ(  90deg) rotateX(  45deg)  }
.cube__inline--6  { transform: rotateZ(  90deg) rotateX(  -45deg)  }

.cube__face--frontdd  { background: hsla(  0, 100%, 50%, 0.7); }
.cube__face--rightdd  { background: hsla( 60, 100%, 50%, 0.7); }
.cube__face--backdd   { background: hsla(120, 100%, 50%, 0.7); }
.cube__face--leftdd   { background: hsla(180, 100%, 50%, 0.7); }
.cube__face--topdd    { background: hsla(240, 100%, 50%, 0.7); }
.cube__face--bottomdd { background: hsla(300, 100%, 50%, 0.7); }

.cube__face--front  { transform: rotateY(  0deg) translateZ(100px); }
.cube__face--right  { transform: rotateY( 90deg) translateZ(100px); }
.cube__face--back   { transform: rotateY(180deg) translateZ(100px); }
.cube__face--left   { transform: rotateY(-90deg) translateZ(100px); }
.cube__face--top    { transform: rotateX( 90deg) translateZ(100px); }
.cube__face--bottom { transform: rotateX(-90deg) translateZ(100px); }

label { margin-right: 10px; }