180 Flip Dark

[gamecreator]

I'm using the below placeholder, a flat textured plane.  When it faces right, it's ok but when I rotate it, it gets really dark.  The light doesn't change at all.  I suspect this is some material or shader issue but I tried a number of things (including using just a non-alpha diffuse material) and nothing seemed to change it.  It's the same in the editor but I don't know what the light setup is there.  Any idea what causes this?


This is the basic light code (there is no map loaded, just another MDL as a level):

Light* light = DirectionalLight::Create();
light->SetRotation(35, 35, 0);

 

[gamecreator]

A little more experimentation found the issue: z-sort needs to be checked.

[shadmar]

If it's a single face model, with just two sided checked in the material, you'll get this I think.

EDit: ah..