internal double Match(SmothendSkeleton skeleton) // distance to other person
{
SkeletonPoint currentRoot = Position;
SkeletonPoint otherRoot = skeleton.Positon;
return(SkeletonMath.DistanceBetweenPoints(currentRoot, otherRoot));
}
internal double Match(SmothendSkeleton skeleton) // distance to other person
{
SkeletonPoint currentRoot = CurrentSkeleton.GetPosition(JointType.HipCenter);
SkeletonPoint otherRoot = skeleton.GetPosition(JointType.HipCenter);
return(SkeletonMath.DistanceBetweenPoints(currentRoot, otherRoot));
}
private void FindCandidates(List <Person> persons)
{
var act = GetActivePersons().ToList();
Random r = new Random();
if (_expirationCandidates.Count(x => x.Value.Active == true) + act.Count < PersonsToTrack)
// a active person recently disapeared, waiting to come back
{
//no disappeared active person
if (_visiblePersons.Count + persons.Count <= 2 && _visiblePersons.Count > 0)
{
persons = persons.Union(_visiblePersons).ToList();
}
else if (_visiblePersons.Count > 2)
{
// too many people to track all
var tracked =
_visiblePersons.Where(x => x.TrackingState == SkeletonTrackingState.Tracked && !x.Active)
.ToList();
foreach (var person in tracked)
{
if (
SkeletonMath.DirectionTo(
person.CurrentSkeleton.GetPosition(JointType.HandRight),
person.CurrentSkeleton.GetPosition(JointType.ShoulderRight))
.Contains(Direction.Downward) && persons.Count <= 2)
{
// has the hand over his shoulder
persons.Add(person);
}
}
var untracked =
_visiblePersons.Where(x => x.TrackingState != SkeletonTrackingState.Tracked)
.ToList();
if (untracked.Count + persons.Count <= 2)
{
// Add the rest
persons.AddRange(untracked);
}
else
{
// pick random skeletons
for (int i = persons.Count; i < 2; i++)
{
persons.Add(untracked.ElementAt(r.Next(0, untracked.Count - 1)));
}
}
}
else
{
//someting bad happend
KinectDevice.SkeletonStream.ChooseSkeletons();
}
}
switch (persons.Count)
{
case 1:
KinectDevice.SkeletonStream.ChooseSkeletons(persons.First().TrackingId);
break;
case 2:
KinectDevice.SkeletonStream.ChooseSkeletons(persons.First().TrackingId, persons.Last().TrackingId);
break;
}
}