so I’m planning on getting back into coding

I used to be on scratch, but I haven’t touched any code in about two years. I don’t want to get in tutorial hell I would like to start on unity. Below is basically a better in-depth or what I’m trying to do.

So I need help again it’s auto does his

Mine also normally does auto but with this specific on collision does not it just types in on collision I tried typing the code by hand but everything just showed an error please help https://youtu.be/XtQMytORBmM

Time 41

The Unity Tutorial For Complete Beginners
GMTK is powered by Patreon - https://www.patreon.com/GameMakersToolkitUnity is an amazingly powerful game engine - but it can be hard to learn. Especially if...
https://www.youtube.com/watch?v=XtQMytORBmM

I cannot get this to work please help I’m doing this tutorial https://youtu.be/XtQMytORBmM I am at the part where the pipes duplicate and it keeps making too many clones too fast please help me I’m begging of you

The Unity Tutorial For Complete Beginners
GMTK is powered by Patreon - https://www.patreon.com/GameMakersToolkitUnity is an amazingly powerful game engine - but it can be hard to learn. Especially if...
https://www.youtube.com/watch?v=XtQMytORBmM

Help what program to use

I edited this model and I imported it to cura and it will not work like where I edited it was just gone missing like a giant hole the little holes are supposed to be there how do I fix it

All I did is sculpt a little bit