I would say Yes. Because the edge vertices numeration absolutely independent I guess it’s always based on first edge face, and it’s the rule
now I’m pretty sure it’s always TRUE. Try to make a poly plane and check any edge with only one face…
after that flip the single face of this edge… the order of the edge vertex indexes changes as well
you’d think they’d say that in the documentation or perhaps they do in a way it’s impossible to understand !
Unless you have an edge that has the same polygon to both its sides, which is common enough (and the simplest way to get it is to have two concentric shapes connected to poly with that one edge connecting the outer border and the inner border).
I hate faces that use the same vert twice they are the bane of my life though the condition is still true it’s just f1 = f2
Yeah, technically that’s true, it’s just that you can’t tell what the direction will be without querying the mesh in question.
Unless you have an edge that has the same polygon to both its sides
at least it’s always true for the first face