private void LoadMotion(ref Motion motion, Viewport3D viewport, string data)
{
motion = new Motion();
motion = Loader.LoadFromBvh(data);
List <Point3D> uniquePoints = new List <Point3D>(200);
motion.Skeleton.StartPointWorld.X = motion.Skeleton.Offset.X;
motion.Skeleton.StartPointWorld.Y = motion.Skeleton.Offset.Y;
motion.Skeleton.StartPointWorld.Z = motion.Skeleton.Offset.Z;
AddSkeleton(viewport, motion.Skeleton, uniquePoints); // !!! TODO: use unique points avoid duplicate computations
viewport.Render();
_lastTimeRendered1 = DateTime.Now;
_lastTimeRendered2 = DateTime.Now;
}