Ward’s Anisotropic BRDF

I implemented Ward’s anisotropic BRDF. Anisotropy in this context refers to the materials where the reflection is directionally dependent around the point about the normal. Materials such as brushed metal or hair are examples of anisotropic materials.

ward5.jpgward4.jpg

References

https://cseweb.ucsd.edu/~ravir/6998/papers/p265-ward.pdf

http://www.graphics.cornell.edu/~bjw/wardnotes.pdf

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