I think it was because Toby Schachman couldn't think of good exercises on more advanced topics. I would guess this struggle influenced his later work - Shadersh

I think it was because Toby Schachman couldn't think of good exercises on more advanced topics. I would guess this struggle influenced his later work - Shadershop: http://tobyschachman.com/Shadershop/ http://tobyschachman.com/Shadershop/ (Check it out, it's super cool.)