{Code update} Portal 2 | Improving

Question

I'm still working on my code, I keep rewrite it, compress it, try to improve performances. Can you help me to find out bad practices/better ways to do things? :3

https://code.sololearn.com/Wen965eIRDOU/?ref=app
(The only code in my profil)

Answer 1

Nice code man I enjoyed the panels opening and closing especially the picture :D

Answer 2

Thanx =) If you have any idea to optimise it, please tell me your ideas.