<header>
  <h2 class="title">element.style.perspectiveOrigin</h2>
  <p class="description">Визначає початкову точку перспективи для 3D-трансформацій відносно елемента.</p>
</header>
<main>
  <div class="result">
    <div id="perspective-control">
      <label for="perspectiveOriginX">Перспектива по горизонталі: <span id="perspectiveOriginXValue">50%</span></label>
      <input type="range" id="perspectiveOriginX" min="0" max="100" value="50">
      <br>
      <label for="perspectiveOriginY">Перспектива по вертикалі: <span id="perspectiveOriginYValue">50%</span></label>
      <input type="range" id="perspectiveOriginY" min="0" max="100" value="50">
    </div>
    <div id="cube-container">
      <div id="cube">
        <div class="face front">Front</div>
        <div class="face back">Back</div>
        <div class="face left">Left</div>
        <div class="face right">Right</div>
        <div class="face top">Top</div>
        <div class="face bottom">Bottom</div>
      </div>
    </div>
  </div>
</main>

body {
  font-size: 16px;
  line-height: 1.5;
  font-family: monospace;
}

header {
  background-color: #f1f1f1;
  margin-bottom: 25px;
  padding: 15px;
  -webkit-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  -moz-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}

header h2.title {
  padding-bottom: 15px;
  border-bottom: 1px solid #999;
}

header p.description {
  font-style: italic;
  color: #222;
}

.result {
  background-color: #f8f8f8;
  padding: 15px;
  -webkit-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  -moz-box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
  box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}

#perspective-control {
  margin-bottom: 15px;
}

#cube-container {
  perspective: 800px;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

#cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: rotate 10s infinite linear;
}

.face {
  position: absolute;
  width: 200px;
  height: 200px;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid #ccc;
  text-align: center;
  line-height: 200px;
  font-size: 20px;
  color: #333;
  margin-top: 75px;
}

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

@keyframes rotate {
  from { transform: rotateX(30deg) rotateY(30deg); }
  to { transform: rotateX(30deg) rotateY(390deg); }
}

const perspectiveOriginX = document.getElementById('perspectiveOriginX');
const perspectiveOriginY = document.getElementById('perspectiveOriginY');
const perspectiveOriginXValue = document.getElementById('perspectiveOriginXValue');
const perspectiveOriginYValue = document.getElementById('perspectiveOriginYValue');
const cubeContainer = document.getElementById('cube-container');

perspectiveOriginX.addEventListener('input', function() {
  const xValue = perspectiveOriginX.value + '%';
  perspectiveOriginXValue.textContent = xValue;
  updatePerspectiveOrigin();
});

perspectiveOriginY.addEventListener('input', function() {
  const yValue = perspectiveOriginY.value + '%';
  perspectiveOriginYValue.textContent = yValue;
  updatePerspectiveOrigin();
});

function updatePerspectiveOrigin() {
  const xValue = perspectiveOriginX.value + '%';
  const yValue = perspectiveOriginY.value + '%';
  cubeContainer.style.perspectiveOrigin = `${xValue} ${yValue}`;
}

External CSS

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External JavaScript

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