Course Link - https://www.awwwards.com/academy/course/practical-webgl-from-scratch-for-frontend-developers

Demos, examples and source code - https://practical-webgl-from-scratch-awwwards-course.georgi-nikolov.com/

I created a course on AWWWARDS for working with the vanilla WebGL for web developers

It covers everything one needs to know to build highly interactive and engaging visuals:

WebGL rendering is covered in detail, including all kinds of drawing primitives

Different drawing modes in WebGL

Matrix transformations

Procedural and image textures

Bulding sliders, camera effects, particle animations and scroll effects