/// <summary>
/// Handle the new body frames
/// </summary>
private async void OnBodiesArrive(object sender, BodyFrameArrivedEventArgs e)
{
// Retrieve the body reference
BodyFrameReference bodyRef = e.FrameReference;
if (bodyRef == null) return;
// Acquire the body frame
using (BodyFrame frame = bodyRef.AcquireFrame())
{
if (frame == null) return;
// Create a new collection when required
if (_bodies == null || _bodies.Count() != frame.BodyCount)
_bodies = new Body[frame.BodyCount];
// Refresh the bodies
frame.GetAndRefreshBodyData(_bodies);
// Start tracking faces
foreach (Body body in _bodies)
{
if (body.IsTracked)
{
// Create a new tracker if required
if (!_trackers.ContainsKey(body.TrackingId))
{
FaceTracker tracker = new FaceTracker(body.TrackingId, _faceFrameFeatures, _kinect);
tracker.FaceAnalyticsAvailable += OnFaceAnalyticsAvailable;
// Add to dictionary
_trackers.Add(body.TrackingId, tracker);
}
}
}
}
}