From this post: https://retrocoders.phatcode.net/index.php?topic=671.0
Where we discussed the ultimate ball/sphere shading algorithm, I took it a step further:
(https://i.ibb.co/nDwVZgx/screenshot-1884.png)
No, they don't update in real time! I'd have to optimise a little more for that.
Here's a video though :)
https://youtu.be/S8KcCpQkQV0