A 2D concentric-radio-waves effect.
From your unity project folder:
npm init # only if you don't yet have a package.json in your project
npm install beatthat/concrentric-radio-waves --save
Look under Assets/Samples/beatthat/concentric-radio-waves for an example setup that you can copy elswhere in your project.
...change colors using the ColorCenter and ColorEdge material properties
...change shape using the HeightDegrees property
...change cutout using the ClipCenterPct property
