Cool World is simply a program which demonstrates the lib3d routines.
There are a total of some 17 rotating objects which you can visit in the
world, some quite complex. The tune in the background was basically my first
attempt at writing a tune, and the starfields worked out quite well.
The library is quite fast; the Cobra Mk III gets some 8-10 fps when
full-screen. For more info, back up a link or two, and also check out
the massive article in C=Hacking #16.
Four- and six-pointed stars; note the nice polygon
Cobra Mk. III. This full-screen solid version
is actually faster than the half-screen outlined version in