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Life in life

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Published on May 13, 2012

A video of Conway's Game of Life, emulated in Conway's Game of Life.

The Life pattern is the OTCA Metapixel: http://www.conwaylife.com/wiki/OTCA_m... - for more information, see http://otcametapixel.blogspot.com.au/

The life simulator used is Golly - http://golly.sourceforge.net/ which has a built-in script to generate these metapixel grids (select a pattern, and choose "metafier.py" from the scripts list).

Inspired by this video: http://www.youtube.com/watch?v=QtJ77q... but with the speed and scale varying smoothly over time, rather than in discrete jumps as the original video did.

The actual video is exported from Golly using a custom Python script: http://pastebin.com/8vVGCgKE (since Golly built-in only supports rendering the view with a scale which is a power of 2, for performance reasons - this is not a particularly well-optimised or fast script to run).

The audio track is a Shepard Tone: http://en.wikipedia.org/wiki/Shepard_...
This is also generated by a Python script: http://pastebin.com/vxVeNtWc
I understand it's not the most pleasing sound to listen to, but I thought it was appropriate. The YouTube player has a mute button, if you insist, or see this response: http://www.youtube.com/watch?v=D6aP9S... which has an edited video and a much nicer soundtrack.

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