Introduction to Shading (Reflection, Refraction and Fresnel)
scratchapixel.com/lessons/3d-basic-rendering/introduction-to … ↗
scratchapixel.com/lessons/3d-basic-rendering/introduction-to … ↗
math.stackexchange.com/questions/1343514/rotate-a-unit-spher … ↗
math.stackexchange.com/questions/624348/finding-rotation-axi … ↗
math.stackexchange.com/questions/180418/calculate-rotation-m … ↗
stackoverflow.com/questions/13654401/why-transforming-normal … ↗
stackoverflow.com/questions/15697273/how-can-i-get-view-dire … ↗
coursera.org/learn/robotics-perception/lecture/flqF4/vanishi … ↗
stackoverflow.com/questions/17717600/confusion-between-c-and … ↗
jamie-wong.com/2016/07/15/ray-marching-signed-distance-funct … ↗
iquilezles.org/www/articles/distfunctions/distfunctions.htm ↗