A GitHub blog, usefull to me, hope the same for you.
“LIVE Coding and Painting with Maths” is a gold mine. There is so much information in this near 6 hours long video ! Below some links to interesting parts.
fast sky gradient - the sky will be blue !
Work on Candy on the floor, domain repetition, colors, position shift to not align them on a grid
Floor movement animation like a trampoline
Camera shaking, care to motion sickness !
Let’s do some clouds quickly (with sin waves)
Calculated Occusion, adjustment of key, fill, bounce lights intensity and colors, specular
The sun_spe ligthing term, very special, is explained at 4:09 and it is very short. I searched for it for long time. It is a blinn phong formula.