CosineGradient is a small package for generating cosine-based gradients in Unity.
Download and install the unitypackage.
CosineGradient object can be created from the Create menu (Create -> Cosine Gradient). The coefficients of CosineGradient can be interactively edited on the inspector.
There is just a single method in the
CosineGradient class --
Evaluate returns a color value at a given point in a gradient.