Yek, i did not document how i fixed the issue
i could send you my drawObj method code though if you want
its too big to send here so send me a pm on discord, my username is yekware

Vika4ernaya, You might have gotten the same problem as I did at first where the shading is just random colors
forgot how i fixed that lol let me try and find it

Yek, I've tried to do something like this, but so far it's not working out well

Yek, wow, this cool!

Vika4ernaya, ive used that idea of using the fill tool in my 3d obj renderer
https://en.toonio.ru/t/652dc07aec939

Vika4ernaya, thats a good idea for an optimization
maybe one day I'll try implementing it

Yek, Cool!
I stopped developing my drawbot because I don't have enough experience to make more optimized algorithms.
I once tried to make an algorithm that would find edges of the same color and make a closed shape using the fill tool, but it was too complicated

one optimization i recommend which I have been trying to add to my own drawbot is not only using horizontal lines but also vertical lines where it makes sense
its not fully working yet but heres an example where you can see what type of lines are used: https://toonio.ru/t/65272a0f1ed9a

я: да я не матерюсь

также я:

Ну вообще я давно сделал эту оптимизацию но в анимке в первый раз