private void Instance_HeadMeasurement(object sender, HeadMeasurementEventArgs e)
{
this.Dispatcher.Invoke((Action)(() =>
{
HeadTracker tracker = HeadTracker.Instance;
this.yawOffsetLabel.Content = e.X - tracker.OriginX;
this.pitchOffsetLabel.Content = e.Y - tracker.OriginY;
this.rollOffsetLabel.Content = e.Z - tracker.OriginZ;
}));
}
private void Init(Context context)
{
SetEGLContextClientVersion(2);
PreserveEGLContextOnPause = true;
IWindowManager windowManager = (IWindowManager)context.GetSystemService(Context.WindowService).JavaCast <IWindowManager>();
mHeadTracker = new HeadTracker(context);
mHmd = new HeadMountedDisplay(windowManager.DefaultDisplay);
}
public async void StartListening(Action <Vector3Dto> listener)
{
headTracker = HeadTracker.CreateFromContext(Android.App.Application.Context);
headTracker.StartTracking();
await Task.Delay(1000);
while (true)
{
await Task.Delay(16);
var view = new float[16];
headTracker.GetLastHeadView(view, 0);
var m4 = new Matrix4(
view[0], view[1], view[2], view[3],
view[4], view[5], view[6], view[7],
view[8], view[9], view[10], view[11],
view[12], view[13], view[14], view[15]);
var rot = m4.Rotation;
listener(new Vector3Dto(-rot.PitchAngle - 90, rot.YawAngle, 0));
}
}
