Calculate a score from -1 to 1 for how much the camera is looking at a GameObject. Very useful for VR games. Since the scripts are too long to copy, here's a link to the scripts in the video:
https://github.com/osmosacademy/vr-pa...
And here's the project with the fish:
https://github.com/osmosacademy/vr-pa...
This intermediate video assumes you already know a little bit about writing C# code for Unity3D.
https://www.stuartspence.ca/codingpla...