private SkeletonPoint SubstractedPointsAt(JointType steady, JointType moving, int time)
{
if (!HasSkeleton(time))
{
throw new ArgumentException("No Skeleton at this Index");
}
return(SkeletonMath.SubstractPoints(person.GetLastSkeleton(time).GetPosition(moving), person.GetLastSkeleton(time).GetPosition(steady)));
}
/// <summary>
/// The actual direction of movement to a relative point
/// </summary>
/// <param name="steady">The reference joint</param>
/// <param name="moving">The joint for the direction</param>
/// <returns>Enumerable of the directions</returns>
public IEnumerable <Direction> GetRelativeMovement(JointType steady, JointType moving)
{
if (!HasSkeleton(1))
{
return(new List <Direction> {
Direction.None
});
}
return(SkeletonMath.DirectionTo(SkeletonMath.SubstractPoints(person.GetLastSkeleton(1).GetPosition(moving), person.GetLastSkeleton(1).GetPosition(steady)),
SkeletonMath.SubstractPoints(person.CurrentSkeleton.GetPosition(moving), person.CurrentSkeleton.GetPosition(steady))));
}
/// <summary>
/// Relative movement over a timespawn
/// Low tolerance, but movement has to be constant
/// </summary>
/// <param name="steady">The reference joint</param>
/// <param name="moving">The joint to get the direction from</param>
/// <param name="duration">Timespawn in frames</param>
/// <returns>Enumerable of the directions</returns>
public IEnumerable <Direction> GetSteadyRelativeMovement(JointType steady, JointType moving, int duration)
{
List <SkeletonPoint> from = new List <SkeletonPoint>(), to = new List <SkeletonPoint>();
if (duration < 1)
{
throw new ArgumentException("Duration must be at least 1");
}
for (int i = 0; i < duration && HasSkeleton(i); i++)
{
to.Add(SkeletonMath.SubstractPoints(person.GetLastSkeleton(i).GetPosition(moving), person.GetLastSkeleton(i).GetPosition(steady)));
from.Add(SkeletonMath.SubstractPoints(person.GetLastSkeleton(i + 1).GetPosition(moving), person.GetLastSkeleton(i + 1).GetPosition(steady)));
}
return(SkeletonMath.SteadyDirectionTo(from, to));
}