SensorOrientation/SensorO.html at master · arskama/SensorOrientation · GitHub

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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>
</head>
<body>
  <script>
       var poseSensor;

  try {
    poseSensor = new RelativeOrientationSensor({ frequency: 60, referenceFrame: 'device' });
    poseSensor.addEventListener('error', (e) => {
      if (e && e.error && e.error.message) {
        document.write(e.error.name);
        document.write(e.error.message);
      }
    });
    var sensorListener = function(event) {
      console.log(poseSensor.quaternion);
    };

    poseSensor.addEventListener('reading', sensorListener);
    poseSensor.onreading = function(e) {
      console.log(e);
    }
    Promise.all([navigator.permissions.query({ name: "accelerometer" }),
             navigator.permissions.query({ name: "gyroscope" })])
       .then(results => {
      console.log(results);
         if (results.every(result => result.state === "granted")) {
           poseSensor.start();
           window.setInterval(() => {
             console.log(poseSensor.quaternion);
           }, 60);
         } else {
           console.log("No permissions to use RelativeOrientationSensor.");
         }
   });
  } catch(e) {
    document.write(e);
  }
  </script>
</body>
</html>