private bool IsValid(GesturePosition gesturePosition)
{
bool isValid = gesturePosition.RightHand.Y > gesturePosition.RightShoulder.Y &&
gesturePosition.LeftHand.Y > gesturePosition.LeftShoulder.Y;
return isValid;
}
private void ValidateTime(object value)
{
if ((DateTime.Now - LastUpdate()).TotalSeconds > 1)
{
_initialGesture = null;
}
}
private void Initialize(GesturePosition gesturePosition)
{
if (IsStart(gesturePosition))
{
System.Diagnostics.Debug.WriteLine("Got initial gesture!");
if(_initialGesture == null)
_initialGesture = gesturePosition;
else if (GetDistance(gesturePosition) < GetDistance(_initialGesture))
_initialGesture = gesturePosition;
}
}
private bool IsStart(GesturePosition gesturePosition)
{
return .06 > Math.Abs((gesturePosition.RightHand - gesturePosition.LeftHand).Length);
}
private double GetRatio(GesturePosition gesturePosition)
{
double handDist = GetDistance(gesturePosition) - GetDistance(_initialGesture);
double shoulderDist = Math.Abs((gesturePosition.RightShoulder - gesturePosition.LeftShoulder).Length);
double ratio = (handDist/3)/shoulderDist;
return Math.Max(0, Math.Min(1, ratio));
}
private double GetDistance(GesturePosition gesturePosition)
{
return Math.Abs((gesturePosition.RightHand - gesturePosition.LeftHand).Length);
}
public void UpdatePosition(GesturePosition gesturePostition)
{
if((DateTime.Now - LastUpdate()).TotalSeconds > 1)
UpdateTime();
gesturePostition.PrintGesture();
// if (!IsValid(gesturePostition))
// {
// _initialGesture = null;
// return;
// }
// Initialize(gesturePostition);
// if(_initialGesture != null)
// CurrentPortion = GetRatio(gesturePostition);
// if (DateTime.Now - new TimeSpan(0, 0, 1) > _lastPrint)
// {
// gesturePostition.PrintGesture();
// double handDistance = Math.Abs((gesturePostition.RightHand - gesturePostition.LeftHand).Length);
// double shoulderDistance =
// Math.Abs((gesturePostition.RightShoulder - gesturePostition.LeftShoulder).Length);
// System.Diagnostics.Debug.WriteLine("Hand Distance: {0}", handDistance);
// System.Diagnostics.Debug.WriteLine("Shoulder Distance: {0}", shoulderDistance);
// _lastPrint = DateTime.Now;
// }
}
// public double GesturePortion { get { return _gestureState.CurrentPortion; } }
private void SkeletonFrameReady(object sender, BodyFrameArrivedEventArgs e)
{
using (BodyFrame bodyFrame = e.FrameReference.AcquireFrame()) // Open the Skeleton frame
{
if (bodyFrame != null)
{
if (_bodies == null)
{
_bodies = new Body[bodyFrame.BodyCount];
_gesturePositions = new GesturePosition[bodyFrame.BodyCount];
for (int i = 0; i < _gesturePositions.Length; i++)
{
_gesturePositions[i] = new GesturePosition() {IsTracked = false};
}
}
bodyFrame.GetAndRefreshBodyData(this._bodies);
HandleSkeletonUpdate(_bodies);
}
}
}
private void HandleGestureUpdate(GesturePosition[] gesturePositions, int lastBodyIndex)
{
lock (_taskLock)
{
if (_currentTask != null)
{
return;
}
_currentTask = Task.Factory.StartNew(() =>
{
try
{
GesturePosition gesturePosition = gesturePositions[_bodyIndex];
IOrdering ordering = null;
if (gesturePosition.IsTracked)
{
ordering = GetOrdering(Scene, gesturePosition.Head);
}
lock (_gestureLock)
{
if (ordering != null)
_ordering = ordering;
if (!_tracked && gesturePosition.IsTracked)
_restart = true;
_tracked = gesturePosition.IsTracked;
_isLast = _bodyIndex == lastBodyIndex;
}
}
finally
{
lock (_taskLock)
{
_currentTask = null;
}
}
});
}
}
