examples/video-animation-sync.html - main - githubmirror/amphtml

examples/video-animation-sync.html
97 строк3 KB
Caroline Liu
Apply lang="en" to examples/ (#34759)
10 июн 2021, 17:30
10 июн 2021, 17:302ee75c4
<!doctype html>
<html ⚡ lang="en">

<head>
  <meta charset="utf-8">
  <title>amp-position-observer</title>
  <link rel="canonical" href="amps.html">
  <meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
  <script async custom-element="amp-animation" src="https://cdn.ampproject.org/v0/amp-animation-0.1.js"></script>
  <script async custom-element="amp-position-observer" src="https://cdn.ampproject.org/v0/amp-position-observer-0.1.js"></script>
  <script async custom-element="amp-youtube" src="https://cdn.ampproject.org/v0/amp-youtube-0.1.js"></script>

  <style amp-custom>
    main {
      font-family: Helvetica, sans-serif;
      padding: 10px;
      max-width: 412px;
      margin: auto;
    }

    h1, h2, h3, h4 {
      font-weight: normal;
    }

    amp-img img {
      object-fit: cover;
    }

    .clock-hand {
      position: absolute;
      width: 2vw;
      height: 20vw;
      max-height: 90px;
      max-width: 10px;
      top: 50%;
      left: 50%;
      z-index: 2;
      background: #FAFAFA;
      transform-origin: 50% 0%;
      border-radius: 10px;
      transform: rotate(-180deg)
    }

    .spacer {
      height: 70vh;
      width: 100%;
      background-image: -webkit-linear-gradient(#EEE 50%, white 50%);
      background-image: linear-gradient(#EEE 50%, white 50%);
      background-size: 100% 3em;
    }

    pre {
      display: inline;
    }
  </style>
  <style amp-boilerplate>body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}</style><noscript><style amp-boilerplate>body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}</style></noscript>
  <script async src="https://cdn.ampproject.org/v0.js"></script>
</head>

<body>
  <amp-animation id="clockAnim" layout="nodisplay">
    <script type="application/json">
      {
      "duration": "6s",
      "fill": "both",
      "animations": [
        {
          "selector": "#clock-scene .clock-hand",
          "keyframes": [
            { "transform": "rotate(-180deg)" },
            { "transform": "rotate(180deg)" }
          ]
        }
      ]
    }
    </script>
  </amp-animation>
  <main>
    <h1>The clock animation timeline is synced with youtube animation timeline</h1>
    <div id="clock-scene" class="clock-scene">
      <amp-img layout="responsive" width=2 height=1.5 src="./img/clock.jpg">
        <div class="clock-hand"></div>
      </amp-img>
    </div>
    <amp-youtube
        on="timeUpdate:clockAnim.seekTo(percent=event.percent)"
        id="myYouTube"
        data-videoid="VrS6akzR3sk"
        width="358"
        height="204"
        layout="responsive">
    </amp-youtube>
    </div>
    <div class="spacer"></div>
  </main>
</body>
</html>