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Animating a phase-dependent reaction
Posted by Tony on 14th February 2009 at 23:02:05
In response to Tools for story telling posted by Tony on 26th January 2009 at 14:58:35
There has been enough said elsewhere about another weekend where refactoring pan-zoom became unthinkable, but it was always too important to let drift indefinitely. It also gave my subconscious enough time to deal with a few parameters I'd left out of the original interface. So I should just show the first smooth horizontal pan and then explain why it became the first chosen example.
3/5 speed track erosion's alternate phase reactions at engine
Within The Wild's rule (Generations 345/3/6 aka LivingOnTheEdge) track/trail laying engines and ubiquitous ships move forward at one cell every two iterations aka half speed. This animation pans the evolving pattern at 1/3 speed so the engines don't run out of image.

The short form engine shown is by far the most common found in The Wild but still has a disproportionate influence on the overall structure of evolving patterns because of the subtle difference shown here. The kind of common tracks shown erode at 3/5 speed in a reaction which has a period of ten with the second five being a mirror image of the first five.

Depending which phase the erosion is in when it reaches the short engine, it either reblocks or it creates one puff of a p.192 puffer trail, the eroding track being reestablished in the same phase after separating from the puff. Various reactions can either remove the block or form a break along a track, leaving it eroding at 3/5 speed, but the source of such a disturbance can have originated a vast distance from the engine and track so the phase relationship can only be treated as statistical. In both The Wild and Whoa, the first engines reblocked more than once before turning puffer at a great distance from their chaotic core. The first puff sooner or later reacts with incoming ships to form a new chaotic growth centre, eventually forming the kind of continental growth highlighted by the thumbnails in the picture show posts below, which it was too easy to name Honalee.

This is far from the only important fifty-fifty reaction in The Wild, but there are a seemingly limitless range of higher order synchronisation and alignment dependencies too.

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The game has changed - Tony 19:58:43 18-Nov-08
Nine newer sub-threads
Tools for story telling - Tony 14:58:35 26-Jan-09
MargLyn: my Christmas present from The Wild - Tony 20:58:58 15-Feb-09
Animating a phase-dependent reaction - Tony 23:02:05 14-Feb-09
Another fortuitous choice - Tony 21:05:02 12-Jan-09
Three older sub-threads
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