void TrackFace()
{
var skeleton = skeletonData
.Where(s => s.TrackingState != SkeletonTrackingState.NotTracked)
.OrderBy(s => s.Position.Z)
.FirstOrDefault();
IsSkeletonTrackedUpdated(skeleton != null);
if (skeleton == null)
{
skeletonId = -1;
if (faceTracker != null)
{
faceTracker.Dispose();
faceTracker = null;
}
JawLowerUpdated(null);
return;
}
if (skeletonId != skeleton.TrackingId)
{
try
{
if (faceTracker != null)
{
faceTracker.Dispose();
}
faceTracker = new FaceTracker(sensor);
}
catch (InvalidOperationException)
{
return;
}
}
skeletonId = skeleton.TrackingId;
if (skeleton.TrackingState != SkeletonTrackingState.Tracked)
{
JawLowerUpdated(null);
return;
}
// MEMO: FaceTrackFrame オブジェクトの Dispose メソッドを呼び出すと、以降の処理が正常に続かなくなります。
var faceFrame = faceTracker.Track(sensor.ColorStream.Format, colorImage, sensor.DepthStream.Format, depthImage, skeleton);
if (!faceFrame.TrackSuccessful)
{
JawLowerUpdated(null);
return;
}
var animationUnits = faceFrame.GetAnimationUnitCoefficients();
JawLowerUpdated(animationUnits[AnimationUnit.JawLower]);
}
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (faceTracker != null)
{
faceTracker.Dispose();
faceTracker = null;
}
if (kinect != null)
{
kinect.Stop();
kinect = null;
}
}
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();
}
public void Dispose()
{
faceTracker.Dispose();
}
