The Fall of Orloth - University Final Major Project

I am having an issue with materials right now. For the dragon, i’ve been struggling to get nice looking wing membranes. So far the best looking solution is two sided foliage, however this seems to bleed into the entire model, even if i bias the value to zero.

Standard lighting model:

Foliage lighting model:

Desired result:

Essentially, i want the membranes to be illuminated from the back, but the rest of the dragon not to be. Short of separating the membranes specifically to their own material type (undesirable, as you would have a very visible seam), i’m not sure how to fix this. Any help would be welcomed!

Also, over the weekend Joe, Tudor and I were at the Childwickbury Arts Fair, working on this project, answering questions to the many people who came to take a look, showed off Unreal Engine and just generally had a great time!

Took a quick snap before it all kicked off on the friday morning: