Tagged Questions
4
votes
2answers
636 views
XNA 4.0 - Normal mapping shader - strange texture artifacts
I recently started using custom shader. Shader can do diffuse and specular lighting and normal mapping. But normal mapping is causing really ugly artifacts (some sort of pixeling noise) for textures ...
5
votes
3answers
525 views
For normal mapping, why can we not simply add the tangent normal to the surface normal?
I am looking at implementing bump mapping (which in all implementations I have seen is really normal mapping), and so far all I have read says that to do this, we create a matrix to convert from ...