void ISensorEventListener.OnSensorChanged(SensorEvent e)
{
if (e.Sensor.Name == accelerometer && !lastAccelerometerSet)
{
e.Values.CopyTo(lastAccelerometer, 0);
lastAccelerometerSet = true;
}
else if (e.Sensor.Name == magnetometer && !lastMagnetometerSet)
{
e.Values.CopyTo(lastMagnetometer, 0);
lastMagnetometerSet = true;
}
if (lastAccelerometerSet && lastMagnetometerSet)
{
SensorManager.GetRotationMatrix(r, null, lastAccelerometer, lastMagnetometer);
SensorManager.GetOrientation(r, orientation);
if (orientation.Length <= 0)
{
return;
}
var azimuthInRadians = orientation[0];
if (applyLowPassFilter)
{
filter.Add(azimuthInRadians);
azimuthInRadians = filter.Average();
}
var azimuthInDegress = (Java.Lang.Math.ToDegrees(azimuthInRadians) + 360.0) % 360.0;
var data = new CompassData(azimuthInDegress);
Compass.OnChanged(data);
lastMagnetometerSet = false;
lastAccelerometerSet = false;
}
}
