private void StartAddonGesture(Skeleton skeleton, string axis)
{
if (skeleton == null)
{
return;
}
if (!_hasStartPoint)
{
_startPoint = skeleton.Joints[JointType.HandLeft].Position;
_lastPoint = skeleton.Joints[JointType.HandLeft].Position;
if (_timer != null)
{
_timer.Start();
}
if (_startoffset != null)
{
_startoffset.Start();
}
//Console.Out.WriteLine("Timer started");
_hasStartPoint = true;
}
if (_timer != null && _timer.ElapsedMilliseconds > 200)
{
// get the amount of change between the previous point and the current one in cm.
float delta = 0;
if ("X".Equals(axis))
{
delta = (skeleton.Joints[JointType.HandLeft].Position.X - _lastPoint.X) * 1000;
}
else if ("Y".Equals(axis))
{
delta = (skeleton.Joints[JointType.HandLeft].Position.Y - _lastPoint.Y) * 1000;
}
else if ("Z".Equals(axis))
{
delta = (skeleton.Joints[JointType.HandLeft].Position.Z - _lastPoint.Z) * 1000;
}
_lastPoint = skeleton.Joints[JointType.HandLeft].Position;
// get the time elapsed between the last event in msec.
var time = (_timer.ElapsedMilliseconds);
// calculate the change in cm / mssec
_rateOfChange = delta / time;
////Console.Out.WriteLine(rateOfChange);
_timer.Restart();
}
if (_startoffset != null && _startoffset.ElapsedMilliseconds > 1000)
{
if (_stopTimer != null)
{
_stopTimer.Start();
if (Math.Abs(_rateOfChange) > 0.15)
{
if (!_activityRunning)
{
_startPoint = skeleton.Joints[JointType.HandLeft].Position;
_activityRunning = true;
//Console.Out.WriteLine("Activity started");
}
_stopTimer.Reset();
}
else
{
if (_stopTimer.ElapsedMilliseconds > 1000)
{
if (_activityRunning)
{
//Console.Out.WriteLine("Activity stopped");
_activityRunning = false;
_hasStartPoint = false;
_addOnGesture = false;
}
}
}
}
if (_activityRunning)
{
float cmChange = 0;
if ("X".Equals(axis))
{
cmChange = (_lastPoint.X - _startPoint.X) * 100;
}
else if ("Y".Equals(axis))
{
cmChange = (_lastPoint.Y - _startPoint.Y) * 100;
}
else if ("Z".Equals(axis))
{
cmChange = (_lastPoint.Z - _startPoint.Z) * 100;
}
const float maxVal = 20;
const float minVal = -20;
var value = Math.Min(Math.Max(cmChange, minVal), maxVal) / maxVal;
if (_kinectHandler != null)
{
_kinectHandler.OnAddOnGestureValueChange(value);
}
}
}
}
