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CGI Nebulae (Nebulas) in HD

posted Dec 13, 2015, 7:21 AM by Troy Cheek   [ updated Dec 13, 2015, 7:22 AM ]

CGI Nebulae (Nebulas) in HD

Every so often, I get the urge to rewrite this program that creates images which I think resemble gas clouds in space.  I think I first wrote it in Atari BASIC on the Atari 130XE back in the 1980s.  This version was written in GFA BASIC 32.  I actually didn't intend to write this version.  I was planning to just fire up the last one I wrote, but I couldn't find the source code, so I just rewrote it.  It uses an expanding spiral (using lots of Sin and Cos functions) to pick points, then plots new points based on the values of their neighbors, with a lot of random numbers thrown in for good measure.  More information about GFA BASIC 32 available at http://gb32.proboards.com/

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