OS4 port of the MOS port of Atlantis.

Bugs:

It's my first time porting an OpenGL application and I couldn't find a way
to enable fullscreen mode.

I added the options to set the window size and position to be able to fake
fullscreen mode by using values like "1050 800 -10 -20" (on 1024x768 screen)
but minigl or GLUT doesn't seem to allow creating a window larger than the
screen size.

If you start it from Workbench and leave it running long enough, the machine
may freeze eventually. At least it happened to me once.


The atlantis.c source file is reduced to what's needed to compile.
(Essentially I removed the menu, text overlay, stats and fullscreen features)
See the MOS version on Aminet for the original sources.

It pales in comparison to the original linux screensaver but I hope you can
enjoy it anyway :-)