private void AppendPoint(Spline instance, Vector3 position, Quaternion rotation, Vector3 scale)
{
Undo.RegisterCompleteObjectUndo(instance, "AppendPoint");
// if we want to place the point at the beginning,
// just reverse the array, place, then reverse again
if (PlacePosition == SplinePlacePosition.Beginning)
{
instance.ReversePoints();
}
instance.AppendPoint(position, rotation, scale);
// un-reverses the previous reverse
if (PlacePosition == SplinePlacePosition.Beginning)
{
instance.ReversePoints();
}
EditorUtility.SetDirty(instance);
}