This Is Why Your Normal Maps Are Broken In Unreal Engine - DirectX vs OpenGL

Normal maps looking broken in Unreal when they look fine in Marmoset? You might have the wrong format! Learn about the 2 different Tangent Space Normal Map formats, which one Unreal uses, and how to fix your normal maps so that they look right in Unreal.

00:00 Introduction
00:35 OpenGL Format
01:07 Direct X Format
01:33 Difference Between Formats
02:12 Switch Formats to Fix for Unreal
03:04 More Unreal Authorized Training

[lukesfilmltd]

This is something that has bugged me for the longest time and I couldnt piece it together. that was clear, concise & really helpful !

[chriscrowe]

short and sweet tutorials like this make the world go round. thank you!!!

[starchaser]

Perfect, this is exactly what I needed. Thanks!

[BadPractices]

THANK YOU SO MUCH. This solved ALL of my problems.

[Whetzell]

Can you add a normal map to a media plate video if that video is rendered as normal map and attached in materials?

[armondtanz]

I too join this great community of 'the humbles', it was a pleasure :)

[Shinziga]

Would be awesome to do this in graphs then manually per image!

[yusufa]

I knew about the flip/invert Y trick but I did not know how to tell if this is directX or OpenGL from just looking at a normal map.

[denieltonn]

tldr: use directx for unreal and opengl for unity, if anything looks wrong inside unreal, flip the green (Y) direction using photoshop or inside unreal itself

[MaxManipulator-wq]

Great video thank you very much! excellently explainted

[cgnovice]

How come my normal map always look strange even with DirectX? 😂 Am I missing something in the blender export?

[oscarchavez]

I just started learning about asset creation and was very interested in something that was stated about Unreal 5 during its reveal showcase, and that was that UE5 wasn't using normal maps (asset being imported directly from ZBrush as is without a normal map), because both lumen and nanite could handle the workload without bogging down the performance.

So, my question is did I misunderstood? Or do I still need to create a normal map for my asset before importing it into UE5?

As I said, I am brand new to this and the sheer amount of information out there is massive and intimidating to sort through. I appreciate any help to understanding this particular issue. Thanks in advance.

[李景天]

Well, the problem can also be the normal attitude from the vertex of the geometry

[vladimirlavrentyev]

There is no way a senior artist would not know about normal map formats. Every junior+ knows it. Well unless they are coming from archviz

[gitbuhqwerty]

Unreal has so many compatibility issues, literally EVERYTHING has to be converted. It will be steamrolled when something that looks as good or better but is compatible across the board and supports new developer tools comes along. Epic painted themselves into a corner. Let's see how long that lasts.

[abdellatif]

Thank you for the tip, this is very helpful