/// <summary>
/// 指定された点により近いユーザーをアクティブにする
/// </summary>
/// <param name="skeletons"></param>
public static void SetActivePlayerAtCenter(SkeletonStream stream, SkeletonFrame frame, SkeletonPoint centerPosition)
{
Skeleton player = null;
double distance = 100;
var skeletons = frame.ToSkeletonData();
foreach (var skeleton in skeletons)
{
if (skeleton.TrackingState != SkeletonTrackingState.NotTracked)
{
double new_ = Distance_XY(centerPosition, skeleton.Position);
if ((new_ < distance))
{
player = skeleton;
distance = new_;
}
}
}
if (player != null)
{
stream.ChooseSkeletons(player.TrackingId);
}
else
{
stream.ChooseSkeletons();
}
}
// trackedなスケルトンのSkeletonDataを返す
public static IEnumerable <Skeleton> GetTrackedSkeletons(this SkeletonFrame skeletonFrame)
{
return(from s in skeletonFrame.ToSkeletonData()
where s.TrackingState == SkeletonTrackingState.Tracked
select s);
}
/// <summary>
/// 場所のみ追跡しているスケルトンの一覧を取得する
/// </summary>
/// <param name="frame"></param>
/// <returns></returns>
public static IEnumerable <Skeleton> GetTrackedOrPositionOnlySkeleton(this SkeletonFrame frame)
{
return(from s in frame.ToSkeletonData()
where s.TrackingState != SkeletonTrackingState.NotTracked
select s);
}