/// <summary>
/// Disposes the EyeTracker.
/// </summary>
public void Dispose()
{
faceTracker.Dispose();
}
private async Task FaceTrackingAsync(TimeSpan dueTime, TimeSpan interval, CancellationToken token) {
if (interval.TotalMilliseconds == 0) return;
// Initial wait time before we begin the periodic loop.
if (dueTime > TimeSpan.Zero)
await Task.Delay(dueTime, token);
DateTime LocalTimestamp = Timestamp;
FaceTracker tracker = new FaceTracker(Sensor);
// Repeat this loop until cancelled.
while (!token.IsCancellationRequested) {
// Skip already work with given data
if (Timestamp == LocalTimestamp) {
await Task.Delay(interval, token);
continue;
}
// Timestamp data
LocalTimestamp = Timestamp;
FaceTrackWatch.Again();
// Do Job
try {
CopyColorData = true;
CopySkeletons = true;
FPoints = null;
Mood = 0;
if (null != GestureManager && null != GestureManager.Skeleton) {
FaceTrackFrame frame = tracker.Track(ColorFormat, ColorData, DepthFormat, DepthData, GestureManager.Skeleton);
if (frame.TrackSuccessful) {
// Only once. It doesn't change.
if (FTriangles == null) { FTriangles = frame.GetTriangles(); }
FPoints = frame.GetProjected3DShape();
Mood = frame.GetAnimationUnitCoefficients()[AnimationUnit.LipCornerDepressor];
WSRProfileManager.GetInstance().UpdateMood(Mood);
}
}
}
catch (Exception ex) {
WSRConfig.GetInstance().logError("FACE", ex);
}
FaceTrackWatch.Stop();
// Wait to repeat again.
if (interval > TimeSpan.Zero)
await Task.Delay(interval, token);
}
// Dispose Tracker
tracker.Dispose();
}