>>306243518
>Don't really want to do udon stuff yet
That's literally the future.
But for the old one of VRCSDK2 you want to just use prefabs at this point and study them.

Honestly it's best if you just dive head on with udon. As for the physical side of map making, any unity tutorial for "level" design will work.
https://www.youtube.com/watch?v=jgbWfv81EIk
Make sure it's 2018

Then as for UDON get a hold of these 3 main prefabs for now. They're basically what you need right now.
THE UDON SHARP (Very important install this after installing the Udon vrcsdk3)
https://github.com/MerlinVR/UdonSharp

THE UDON TOOL KIT
https://github.com/orels1/UdonToolkit

Jetdog's UDON PREFAB Super good
https://github.com/jetdog8808/Jetdogs-Prefabs-Udon