model-element-samples/currenttime.html at main · immersive-web/model-element-samples · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Model: currentTime test</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <div class="container">
      <h1>Model: currentTime test</h1>
      <hr />
      <p>
        When a model has an animation, its <code>currentTime</code> attribute
        can be read and written to update the animation's progress.
      </p>
      <h2>JavaScript</h2>
      <pre>model.currentTime = 2.5;</pre>

      <model alt="A model of a teapot with a hidden creature">
        <source src="./teapot.usdz" type="model/vnd.usdz+zip" />
        <source src="./teapot.glb" type="model/gltf-binary" />
        <img
          src="./teapot-fallback-animated.jpg"
          alt="An image of a model of a teapot with a creature inside" />
      </model>
      <br />
      Current time:
      <span id="timelabel"></span>
      <input type="range" min="0" max="1" value="0" step="0.02" id="time" />
    </div>

    <script type="module">
      const model = document.querySelector('model');
      await model.ready;
      time.addEventListener('input', (e) => {
        timelabel.innerHTML = (time.value * model.duration).toFixed(1) + 's';
        model.currentTime = time.value * model.duration;
      });
    </script>
  </body>
</html>