TD GLSL – 1.4. Materials & Particle Systems
https://docs.derivative.ca/Write_a_GLSL_Material
https://en.wikipedia.org/wiki/Cel_shading
https://learn.foundry.com/modo/content/help/pages/shading_lighting/shader_items/matcap.html
https://en.wikipedia.org/wiki/Attractor#Strange_attractor
https://www.vice.com/en_us/article/qkw7np/french-impressionism-surreal-algorithmic-paintings
You can download the Exercise (toe) Files for this session here: Exercises_glsl4.zip