private void ToggleTracking()
{
_tracking = !_tracking;
if (_motionAvailable && _tracking)
{
HeadphoneMotion.StartTracking();
}
else
{
HeadphoneMotion.StopTracking();
}
UpdateTrackingButton();
}
private void Start()
{
// Add event listeners to buttons and hide buttons as needed.
_toggleTrackingButton.onClick.AddListener(ToggleTracking);
_trackingButtonText = _toggleTrackingButton.GetComponentInChildren <Text>();
_calibrateStartingRotationButton.onClick.AddListener(CalibrateStartingRotation);
_resetCalibrationButton.onClick.AddListener(ResetCalibration);
UpdateRotationOffsetButtons();
// Init HeadphoneMotion. Always call this first.
HeadphoneMotion.Init();
// Check if headphone motion is available on this device.
_motionAvailable = HeadphoneMotion.IsHeadphoneMotionAvailable();
_motionAvailabilityText.text =
(_motionAvailable) ? "Headphone motion is available" : "Headphone motion is not available";
if (_motionAvailable)
{
// Set headphones connected text to false to start with.
HandleHeadphoneConnectionChange(false);
// Subscribe to events before starting tracking, or will miss the initial headphones connected callback.
// Subscribe to the headphones connected/disconnected event.
HeadphoneMotion.OnHeadphoneConnectionChanged += HandleHeadphoneConnectionChange;
// Subscribe to the rotation callback.
HeadphoneMotion.OnHeadRotationQuaternion += HandleHeadRotationQuaternion;
// Start tracking headphone motion.
HeadphoneMotion.StartTracking();
_tracking = true;
}
UpdateTrackingButton();
}