Questions tagged [normal-generation]

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1answer
336 views

Issue with tangents/bitangents generation for normal maps

I'm generating tangents and bitangents for a normal mapping effect and while using the same method as several tutorials, I get tangents that are not very continuous. Here, we can see on the sphere ...
2
votes
1answer
149 views

Pixelated Normal Generation

I am generating normals for each vertex in a standard 512*512 quad. Yet when I do using the following code: ...
5
votes
5answers
15k views

Any reliable polygon normal calculation code?

Do you have any reliable 3d polygonal face normal calculation code? Any language will do, I'll port it to make it work. Even if you find some code in a 3d game engine and post it here I'll be more ...
9
votes
2answers
1k views

How do I generate surface normals?

I have quite a few debug drawing methods in my engine that can generate geometry useful for debugging, like spheres and cubes. At the moment I do not generate any normals for these shapes. Is there ...