>  talking a little recently about random terrain generation. One technique
>  worth looking at is "Perlins noise," one way of implementing which is to
>  draw various surfaces full of random data, overlay them with different
>  "weights," and use the result to decide gameplay features such as the
>  height of terrain.


After a LOT of trial and error, I managed to implement a proper Perlin
noise routine and draw a heightfield with it. Run main2D.py. I was
surprised at how slow it is.

Alan