Implementing shadows

[bnolan]

Heya, I'm hacking on this repo here, and the main thing that I've come across is lack of shadows. Any pointers how I'd go about implementing them? I have Three.cpp-rev-2 (and the javascript three.js r65 sources) to use as a reference, but are there any gotchas I should look for?

I freaking love this project, I've been having a great time hacking on three code in c++! It's nice doing gl stuff without causing my macbook (with 650m) to turn into a hovercraft.

This is my a-frame / janusvr renderer using three.cpp: