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The nice thing about this implementation is that the code is very clear and easy to follow. You could easily make it much shorter if that were the goal.

Exactly. I think that's wonderful about this example, it's not just 250 lines of heavily compressed code, it's readable and clean.

Me three. It's covered the 're-read in 6 months time' criteria. I must confess I do change from reading to scanning as soon as the heavy math kicks in.

There's a niche for a website that does a bunch of sub-500 LOC javascript examples of tiny bits of computer graphics, to give a very brief introduction and demonstration of the math, and which then chains them together for some other software.

Yep, kkrieger is the one I remember:

https://www.scene.org/file.php?file=%2Fparties%2F2004%2Fbrea...

Scripting languages are good for achieving low line count results.