public BasePositionProvider(string id)
{
if (String.IsNullOrEmpty(id))
throw new ArgumentNullException("id");
Id = id;
CurrentPoint = new GesturePoint();
}
private void ResetGesturePoint(GesturePoint point)
{
bool startRemoving = false;
for (int i = gesturePoints.Count; i >= 0; i--)
{
if (startRemoving)
{
gesturePoints.RemoveAt(i);
}
else if (gesturePoints[i].Equals(point))
{
startRemoving = true;
}
}
}
private void HandleGestureTracking(float x, float y, float z)
{
if (!gesturePointTrackingEnabled)
{
return;
}
//check to see if xOutOfBounds is being used
if (xOutOfBoundsLength != 0 && initialSwipeX == 0)
{
initialSwipeX = x;
}
GesturePoint newPoint = new GesturePoint()
{
X = x, Y = y, Z = z, T = DateTime.Now
};
gesturePoints.Add(newPoint);
GesturePoint startPoint = gesturePoints[0];
var point = new Point(x, y);
//check for deviation
if (Math.Abs(newPoint.Y - startPoint.Y) > swipeDeviation)
{
//Debug.WriteLine("Y out of bounds");
if (swipeOutofBoundDetected != null)
{
swipeOutofBoundDetected(this, new KinectCursorEventArgs(point)
{
Z = z, Cursor = cursorAdorner
});
}
ResetGesturePoint(gesturePoints.Count);
return;
}
//Check time
if ((newPoint.T - startPoint.T).Milliseconds > swipeTime)
{
gesturePoints.RemoveAt(0);
startPoint = gesturePoints[0];
}
//Check to see if distance has been achieves swipe left/right
if ((swipeLength < 0 && newPoint.X - startPoint.X < swipeLength) ||
(swipeLength > 0 && newPoint.X - startPoint.X > swipeLength))
{
gesturePoints.Clear();
//throw local event
if (swipeDetected != null)
{
swipeDetected(this, new KinectCursorEventArgs(point)
{
Z = z, Cursor = cursorAdorner
});
}
return;
}
//Check to see if distance has been achieve swipe left/right
if (xOutOfBoundsLength != 0 &&
((xOutOfBoundsLength < 0 && newPoint.X - initialSwipeX < xOutOfBoundsLength) ||
(xOutOfBoundsLength > 0 && newPoint.X - initialSwipeX > xOutOfBoundsLength)))
{
if (swipeOutofBoundDetected != null)
{
swipeOutofBoundDetected(this, new KinectCursorEventArgs(point)
{
Z = z, Cursor = cursorAdorner
});
}
}
}
public void Update(GesturePoint currentPoint)
{
if (lastPoint == null)
{
lastPoint = new GesturePoint();
lastPoint.CopyFrom(currentPoint);
updateTimer.Reset();
updateTimer.Start();
}
else
{
if (updateTimer.Elapsed > latency)
{
var vector = currentPoint.Position - lastPoint.Position;
lastPoint.CopyFrom(currentPoint);
ProcessGestureVector(vector);
updateTimer.Restart();
}
}
}
public void Reset()
{
lastPoint = null;
updateTimer.Stop();
currentGesture = SimpleGesture.None;
}
