fix chrome browser rotationRate

- convert radians to degrees and swap rotationRate names
play-co · Mar 6, 2015 · 042a761 · 042a761
1 parent f1dec61
commit 042a761
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/js/accelerometer/index.js b/js/accelerometer/index.js
@@ -45,7 +45,21 @@ if (hasNativeEvents && !device.isSimulator) {
  };
 
  fixedEvent.__proto__ = evt;
+ module.exports.emit('devicemotion', fixedEvent);
+ });
+} else if (device.isMobileBrowser && device.isAndroid) {
+ // android chrome returns radians, not degrees
+ var RAD_TO_DEGREES = 180 / Math.PI;
+ window.addEventListener('devicemotion', function (evt) {
+ var fixedEvent = {
+ rotationRate: {
+ alpha: evt.rotationRate.gamma * RAD_TO_DEGREES,
+ beta: evt.rotationRate.alpha * RAD_TO_DEGREES,
+ gamma: evt.rotationRate.beta * RAD_TO_DEGREES
+ }
+ };
 
+ fixedEvent.__proto__ = evt;
  module.exports.emit('devicemotion', fixedEvent);
  });
 } else {