public static void Convert(ref BEPUutilities.Quaternion bepuQuaternion, out Quaternion quaternion)
 {
     quaternion.X = bepuQuaternion.X;
     quaternion.Y = bepuQuaternion.Y;
     quaternion.Z = bepuQuaternion.Z;
     quaternion.W = bepuQuaternion.W;
 }
 public static void Convert(ref Quaternion quaternion, out BEPUutilities.Quaternion bepuQuaternion)
 {
     bepuQuaternion.X = quaternion.X;
     bepuQuaternion.Y = quaternion.Y;
     bepuQuaternion.Z = quaternion.Z;
     bepuQuaternion.W = quaternion.W;
 }
        //Quaternion
        public static Quaternion Convert(BEPUutilities.Quaternion quaternion)
        {
            Quaternion toReturn;

            toReturn.X = quaternion.X;
            toReturn.Y = quaternion.Y;
            toReturn.Z = quaternion.Z;
            toReturn.W = quaternion.W;
            return(toReturn);
        }