Khan Academy Static

Explore the most fundamental calculation a ray tracer does: line-plane intersection in 2D and 3D. This lesson involves solving systems of equations and takes at least 60 minutes to complete.

18028_5_3D_ray_tracing_part_1.html

18026_3_Calculate_intersection_point.html

18027_4_Using_the_line_equation.html

18025_2_Parametric_form_of_a_ray.html

18024_1_Ray_tracing_intuition.html

18029_6_3D_ray_tracing_part_2.html