/// <summary>
/// This modeto rotate the model element as described by the quaternion given as parameter in the
/// specified transformation space
/// </summary>
/// <param name="quaternion">The quaternion which describes the rotation axis and angle</param>
/// <param name="transformSpace">The space in which to perfrom the rotation, local by default</param>
public override void Rotate(Quaternion quaternion,
Node.TransformSpace transformSpace = Node.TransformSpace.TS_LOCAL)
{
GameNode.Rotate(quaternion, transformSpace);
}