Hello once again!
I just wanted to let everyone know that I am copying my earlier posts here and moving the background/theory/implementation discussions over to a new topic in a more appropriate forum, the Demos and Projects section. Here’s the link: Path Tracing with Babylon, Background and Implementation
I realized that my posts were becoming longer and longer and I didn’t want it to seem like I was hijacking this thread. But of course, I will return here to post if there are any new discussions about the current port that a couple of people are already working on.
To @Deltakosh , I don’t know if it’s possible but when I successfully move everything over to my new Demos and Projects topic, if you wanted to remove the original background posts on this thread so this discussion can remain more focused on the port and on-topic. I will be fine with whatever you decide.
Thank you, and see you all soon! 
-Erich