private void AddEventsForHand(List <IInputEvent> events, GestureSource hand,
KinectPayload currentUserPayload, KinectPayload previousUserPayload)
{
KinectHandPayload handPayload = currentUserPayload.HandPayloads.GetValue(hand);
KinectHandPayload previousHandPayload = null;
if (previousUserPayload != null)
{
previousHandPayload = previousUserPayload.HandPayloads.GetValue(hand);
}
if (handPayload != null)
{
events.Add(new MovementEvent(handPayload.Position,
previousHandPayload == null
? handPayload.Position
: previousHandPayload.Position - handPayload.Position));
if (handPayload.PressExtent >= 1)
{
events.Add(new GestureEvent(
previousHandPayload == null ? GestureType.Activate :
(previousHandPayload.PressExtent >= 1 ? GestureType.HoldActivate : GestureType.Activate),
hand, handPayload.Position));
}
}
}
public void Update(Time time)
{
_kinectInputStream.Update(time);
List <IInputEvent> events = new List <IInputEvent>();
Dictionary <int, KinectPayload> payload = _kinectInputStream.GetState();
foreach (var kinectPayload in payload)
{
KinectPayload currentUserPayload = kinectPayload.Value;
KinectPayload previousUserPayload;
_previousPayload.TryGetValue(kinectPayload.Key, out previousUserPayload);
AddEventsForHand(events, GestureSource.Left, currentUserPayload, previousUserPayload);
AddEventsForHand(events, GestureSource.Left, currentUserPayload, previousUserPayload);
}
_lastEvents = events;
_previousPayload = payload;
}