/// <summary>
/// Retrieve the source Orientation/Up-Vector for a given relative position
/// </summary>
/// <param name="tf">relative position</param>
/// <returns>
/// the Up-Vector
/// </returns>
protected override Vector3 GetOrientation(float tf)
{
return((Space == Space.World) ? Path.Module.Generator.transform.TransformDirection(PathData.InterpolateUp(tf)) : PathData.InterpolateUp(tf));
}
