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AGATunnel    ?.?    Hypnotic color cycling effects

Many years ago, when a friend of mine had convinced me
to buy a used Amiga, I got my hands on a small
program named Tunnel. It was originally a demo program
for some Modula-2 system; thus source code in Modula-2
was included. The program was so cool, my brother and I
used to turn off the light in the room and watch the
psychedelic colours flickering by.

The program didn't work on my new AGA Amiga - there was
no synchronization and the colours shift much too fast.
I wrote this quick hack to produce a similar effect,
but enhanced to make use of all the 24 color bits of AGA.

The 'tunnel' is a very simple effect, but it is cheaper
than hallucinogen drugs - unless there are Psilocybin
mushrooms growing where you live anyway ;-)

Author: Jörgen Grahn
Path: gfx/AGATunnel.lha