Khan Academy
Khan Academy: Rendering: Ready to Dive Into Some Math?
In this lesson we are going to explore the most fundamental calculation a ray tracer performs: ray object intersection. It also lists information you need to know before you start this lesson.
Khan Academy
Khan Academy: Welcome to Rendering!
In this topic we are going to explore how pixels are painted by solving systems of linear equations. It includes two lessons: Lesson 1: Rendering 101 (Grades 5+) and Lesson 2: Mathematics of Rendering (Grades 9+).
