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3 votes
2 answers
327 views

Inconsistent shading in pathtraced image

I am currently building a pathtracer, which has support for vertex normals and face normals. There seems to be an issue when it comes to rendering objects with triangles exported from Blender. ...
Oliver Cruickshank's user avatar
5 votes
1 answer
5k views

Compute sphere tangent for normal mapping

I'm implementing normal mapping on my toy pathtracer. I need to compute the tangent (and bitangent) of any sphere point in order to create the matrix that will transform tangent space to world space. ...
MadEqua's user avatar
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