Simplex Derivatives

How to calculate derivatives of simplex noise and use them to generate normal and tangent vectors for procedurally generated meshes. Allows offloading the work from the main thread, since built-in RecalculateNormals() method runs only on the main thread.

https://catlikecoding.com/unity/tutorials/pseudorandom-surfaces/simplex-derivatives/

#normals #jobsystem #tangents #pcg