There's no need to differentiate between vectors and matrices in this sort of work, other than as shorthand for dimensional information. [0] is another example

There's no need to differentiate between vectors and matrices in this sort of work, other than as shorthand for dimensional information. [0] is another example of a ray-tracing tutorial which, by virtue of using GLSL, doesn't draw a hard line between matrices and vectors. [0] http://jamie-wong.com/2016/07/15/ray-marching-signed-distance-functions/ http://jamie-wong.com/2016/07/15/ray-marching-signed-distanc...