HTML5 姿态传感器调用例子

2015/08/18 13684
<html>
<head>
  <title>DeviceOrientationEvent</title>
  <meta charset="UTF-8" />
  <script type="text/javascript">
    function orientationHandler(event) {
      document.getElementById("alpha").innerHTML = event.alpha;
      document.getElementById("beta").innerHTML = event.beta;
      document.getElementById("gamma").innerHTML = event.gamma;
      document.getElementById("heading").innerHTML = event.webkitCompassHeading;
      document.getElementById("accuracy").innerHTML = event.webkitCompassAccuracy;
    }
    function motionHandler(event) {
      document.getElementById("interval").innerHTML = event.interval;
      var acc = event.acceleration;
      document.getElementById("x").innerHTML = acc.x;
      document.getElementById("y").innerHTML = acc.y;
      document.getElementById("z").innerHTML = acc.z;
      var accGravity = event.accelerationIncludingGravity;
      document.getElementById("xg").innerHTML = accGravity.x;
      document.getElementById("yg").innerHTML = accGravity.y;
      document.getElementById("zg").innerHTML = accGravity.z;
      var rotationRate = event.rotationRate;
      document.getElementById("Ralpha").innerHTML = rotationRate.alpha;
      document.getElementById("Rbeta").innerHTML = rotationRate.beta;
      document.getElementById("Rgamma").innerHTML = rotationRate.gamma;
    }
    if (window.DeviceMotionEvent) {
      window.addEventListener("devicemotion", motionHandler, false);
    } else {
      document.body.innerHTML = "What user agent u r using？？？";
    }
    if (window.DeviceOrientationEvent) {
      window.addEventListener("deviceorientation", orientationHandler, false);
    } else {
      document.body.innerHTML = "What user agent u r using？？？";
    };
  </script>
</head>
<body>
  <p>
    阁下：<span id="alpha">0</span>
  </p>
  <p>
    前后：<span id="beta">0</span>
  </p>
  <p>
    扭转：<span id="gamma">0</span>
  </p>
  <p>
    指北针指向：<span id="heading">0</span>度
  </p>
  <p>
    指北针精度：<span id="accuracy">0</span>度
  </p>
  <hr />
  <p>
    x轴加快度：<span id="x">0</span>米每二次方秒
  </p>
  <p>
    y轴加快度：<span id="y">0</span>米每二次方秒
  </p>
  <p>

    z轴加快度：<span id="z">0</span>米每二次方秒
  </p>
  <hr />
  <p>
    x轴加快度(推敲重力加快度)：<span id="xg">0</span>米每二次方秒
  </p>

  <p>
    y轴加快度(推敲重力加快度)：<span id="yg">0</span>米每二次方秒
  </p>
  <p>
    z轴加快度(推敲重力加快度)：<span id="zg">0</span>米每二次方秒
  </p>
  <hr />
  <p>
    阁下扭转速度：<span id="Ralpha">0</span>度每秒
  </p>
  <p>
    前后扭转速度：<span id="Rbeta">0</span>度每秒
  </p>
  <p>
    扭转速度：<span id="Rgamma">0</span>度每秒
  </p>
  <hr />
  <p>
    前次收到通知的间隔：<span id="interval">0</span>毫秒
  </p>
</body>
</html>
代码片段
