public void AddNext(TsPoint point)
{
var distanceFromLast = point.DistanceFrom(_points.Last());
Distance += distanceFromLast;
_points.Add(point);
}
public void AddLast(TsPoint point)
{
AddNext(point);
var distanceToBeginning = point.DistanceFrom(_points.First());
Distance += distanceToBeginning;
}