When I was in middle school around 15 year ago, I relied heavily on Lode's Computer Graphics Tutorial > https://lodev.org/cgtutor/ https://lodev.org/cgtutor/

When I was in middle school around 15 year ago, I relied heavily on Lode's Computer Graphics Tutorial > https://lodev.org/cgtutor/ https://lodev.org/cgtutor/ I'm surprised the site is still up! There are probably more up to date resources available now though