I have a project I'm migrating from UE4 over to Unity. Im aware Unity handles normal maps differently than UE4, but even if my project in Unity is set to DirectX, the normal maps are not correct. Flipping the green channel does not seem to fix it either. What else do I need to do?
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Flipping the green channel should be enough if nothing else has changed.
Have the normals on the meshes changed?