A 2D field of view implementation in Unity.
Basically a simplified, 2D version of the system described in this tutorial: https://www.youtube.com/watch?v=rQG9aUWarwE
See the result here: http://huvaakoodia.github.io/2DFieldOfViewVisualization/
Also used it in this project: https://alakajam.com/1st-kajam/100/infested-zone/