//BoundingSphere
        public static BoundingSphere Convert(BEPUutilities.BoundingSphere boundingSphere)
        {
            BoundingSphere toReturn;

            Convert(ref boundingSphere.Center, out toReturn.Center);
            toReturn.Radius = boundingSphere.Radius;
            return(toReturn);
        }
 public static void Convert(ref BoundingSphere boundingSphere, out BEPUutilities.BoundingSphere bepuBoundingSphere)
 {
     Convert(ref boundingSphere.Center, out bepuBoundingSphere.Center);
     bepuBoundingSphere.Radius = boundingSphere.Radius;
 }