public void RenderSkeleton(DrawingContext dc, Skeleton[] skeletons, DrawingGroup drawingGroup)
{
// Draw a transparent background to set the render size
dc.DrawRectangle(Brushes.White, null, new Rect(0.0, 0.0, SkeletonHandler.RenderWidth, SkeletonHandler.RenderHeight));
bool noSkelTracked = true;
if (skeletons.Length != 0)
{
Skeleton skel = null;
ChooseSkeleton(); // Track this skeleton
foreach (Skeleton skeleton in skeletons)
{
if (nearestSkeleton == skeleton.TrackingId)
{
skel = skeleton;
}
}
if (skel != null)
{
SkeletonHandler.RenderClippedEdges(skel, dc);
if (skel.TrackingState == SkeletonTrackingState.Tracked)
{
skeletonHandler.DrawBonesAndJoints(skel, dc);
noSkelTracked = false;
lastSkeletonTimeStamp = DateTime.Now;
}
else if (skel.TrackingState == SkeletonTrackingState.PositionOnly)
{
dc.DrawEllipse(
skeletonHandler.centerPointBrush,
null,
skeletonHandler.SkeletonPointToScreen(skel.Position),
SkeletonHandler.BodyCenterThickness,
SkeletonHandler.BodyCenterThickness);
noSkelTracked = false;
lastSkeletonTimeStamp = DateTime.Now;
}
}
}
if (noSkelTracked)
{
if ((DateTime.Now - lastSkeletonTimeStamp).TotalMilliseconds > 1000)
{
speechInteraction.fsm.Fire(SpeechInteraction.Command.FramesNotReady);
lastSkeletonTimeStamp = DateTime.Now;
}
}
else
{
speechInteraction.fsm.Fire(SpeechInteraction.Command.FramesReady);
}
// prevent drawing outside of our render area
drawingGroup.ClipGeometry = new RectangleGeometry(new Rect(0.0, 0.0, SkeletonHandler.RenderWidth, SkeletonHandler.RenderHeight));
}
/// <summary>
/// Called when the KinectSensorChooser gets a new sensor
/// </summary>
/// <param name="sender">sender of the event</param>
/// <param name="args">event arguments</param>
private void SensorChooserOnKinectChanged(object sender, KinectChangedEventArgs args)
{
if (args.OldSensor != null)
{
try
{
args.OldSensor.AllFramesReady -= this.SensorAllFramesReady;
args.OldSensor.DepthStream.Disable();
args.OldSensor.ColorStream.Disable();
args.OldSensor.SkeletonStream.Disable();
// Create the background removal stream to process the data and remove background, and initialize it.
if (null != this.backgroundRemovedColorStream)
{
this.backgroundRemovedColorStream.BackgroundRemovedFrameReady -= this.BackgroundRemovedFrameReadyHandler;
this.backgroundRemovedColorStream.Dispose();
this.backgroundRemovedColorStream = null;
}
}
catch (InvalidOperationException)
{
// KinectSensor might enter an invalid state while enabling/disabling streams or stream features.
// E.g.: sensor might be abruptly unplugged.
}
}
if (args.NewSensor != null)
{
try
{
args.NewSensor.DepthStream.Enable(DepthFormat);
args.NewSensor.ColorStream.Enable(ColorFormat);
args.NewSensor.SkeletonStream.Enable();
this.backgroundRemovedColorStream = new BackgroundRemovedColorStream(args.NewSensor);
this.backgroundRemovedColorStream.Enable(ColorFormat, DepthFormat);
// Allocate space to put the depth, color, and skeleton data we'll receive
if (null == this.skeletons)
{
this.skeletons = new Skeleton[args.NewSensor.SkeletonStream.FrameSkeletonArrayLength];
}
// Add an event handler to be called when the background removed color frame is ready, so that we can
// composite the image and output to the app
this.backgroundRemovedColorStream.BackgroundRemovedFrameReady += this.BackgroundRemovedFrameReadyHandler;
// Add an event handler to be called whenever there is new depth frame data
args.NewSensor.AllFramesReady += this.SensorAllFramesReady;
args.NewSensor.SkeletonFrameReady += this.SensorSkeletonFrameReady;
this.sensor = args.NewSensor;
this.sensor.Start();
skeletonHandler = new SkeletonHandler(sensor, speechInteraction);
try
{
/*args.NewSensor.DepthStream.Range = this.checkBoxNearMode.IsChecked.GetValueOrDefault()
* ? DepthRange.Near
* : DepthRange.Default;
* args.NewSensor.SkeletonStream.EnableTrackingInNearRange = true;*/
args.NewSensor.DepthStream.Range = DepthRange.Default;
args.NewSensor.SkeletonStream.EnableTrackingInNearRange = true;
}
catch (InvalidOperationException)
{
// Non Kinect for Windows devices do not support Near mode, so reset back to default mode.
args.NewSensor.DepthStream.Range = DepthRange.Default;
args.NewSensor.SkeletonStream.EnableTrackingInNearRange = false;
}
this.speechHandler = new SpeechHandler(speechInteraction, args.NewSensor);
this.speechHandler.InitializeSpeechRecognizer();
this.speechInteraction.speechHandler = speechHandler;
}
catch (InvalidOperationException)
{
// KinectSensor might enter an invalid state while enabling/disabling streams or stream features.
// E.g.: sensor might be abruptly unplugged.
}
}
}
