Nodevember update

So, I have been playing with one of the nodevember challenges.
It was fun to have a subject to do and to see what others were doing on the same thing.
Of course, in my case, I was constantly switching between the challenge and coding ( because I realized something was missing, wrong, etc ).
So, way slower than popping up Houdini or Substance, but for me, also more fun :)

Here is a WIP. A bit long on the generation, and some bits are still not quite up to par, but I quite like it,