Hey everyone - I wrote a little article recently which covers some of the aspects of creating adaptive terrain:

http://www.gkristiansen.co.uk/2018/04/an-algorithm-for-infinite-worlds.html

It's more of a high-level description of the idea rather than a technical article and I created it mainly to practice my writing, but there's also a GitHub link to a full implementation at the bottom. I've been working on and off with my virtual terrain project for a year now, and I just thought I'd share the results in case anyone over here might find my simple example code to be helpful.

Thanks for taking a look!