I was sort of at the same place at one time. I found a presentation years ago that would have helped, so here you go: Steven Wittens: Making WebGL Dance https:

I was sort of at the same place at one time. I found a presentation years ago that would have helped, so here you go: Steven Wittens: Making WebGL Dance https://www.youtube.com/watch?v=GNO_CYUjMK8 https://www.youtube.com/watch?v=GNO_CYUjMK8 It doesn't actually get into the math until about 12 minutes in, but it might be illuminating. Matrixes, vectors, and how they are multiplied with each other are the fundamental magic of 3D graphics.