examples/test_video.html from spritejs/spritejs

examples/test_video.html
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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="/js/spritejs.js"></script>
  <style>
    canvas {
      width: 512px;
      height: 288px;
    }
  </style>
</head>
<body>
  <canvas width="1023" height="576"></canvas>
  <script>
    const canvas = document.querySelector('canvas');

    const layer = new spritejs.Layer({
      canvas,
    });

    const video = document.createElement('video');
    video.src = 'https://s4.ssl.qhres2.com/static/a2fa8e8634dd1ccb.mp4';
    video.crossOrigin = 'Anonymous';
    video.loop = true;
    video.muted = true;
    video.play();

    const videoCanvas = canvas.cloneNode();
    const videoCtx = videoCanvas.getContext('2d');

    const s = new spritejs.Sprite({
      width: 1023,
      height: 576,
    });

    layer.append(s);

    let started = false;
    video.addEventListener('playing', () => {
      if(!started) {
        started = true;
        layer.tick(() => {
          videoCtx.drawImage(video, 0, 0);
          s.attr('texture', videoCanvas);
        });
      }
    });
  </script>
</body>
</html>