Make render loop wait for model updates

[armanbilge]

Previously, the render loop was running on every animation frame in the browser. Now, then render loop waits until there has been at least one update to the model before re-starting the render cycle.

[davesmith00000]

Thanks @armanbilge, that is what we talked about.

I'm thinking about this in terms of #201 and wondering if this is the right strategy though. I'll try and mull it over on an up-coming dog walk or something. 😄

[davesmith00000]

@armanbilge, as it stands this PR doesn't quite work (the page never re-renders), but if you remove resetModelUpdateCount i.e. lines 41 and 90, then it appears to work perfectly.

[davesmith00000]

Quite. 😕 emoji is my general feeling in that bit of code. Which is odd because it's barely 60 lines of not terribly complicated looking code. 😄

I'm in the middle of something at the moment, but I think when I get the chance, I'd like to see if there's some way to reformulate it that makes it easier to follow.

[davesmith00000]

Closing as this issue has been resolved by another PR.