Bots and Simulations > Evolution and Internet Sharing Sims
South Pacific Sim
EricL:
Just FYI, I'm approaching 1M uniterupted cycles on this sim. Populations still surprisingly steady between 1000 and 1500. Average bot has over 100 cumulative mutations now. Average DNA length has actually fallen a few percent from the starting organism (still around 361bp though). Hmm. I would have expected it to rise. I'll have to check the mutation percentages.
The range of bot colors is amazing, from deep purples and dark blue in the upper left corner through light blue and light green in the middle, to dark green and brown in the lower right. Amazingly cool.
Numsgil:
How uniform are the colors in each of the little islands? Personally I try to create settings that limit diversity in environments, sicne, as my reasoning goes, if you have as many different colors as you have bots you must not be strongly selecting or mutation rates are too high.
I have no idea how valid that thinking pattern is though.
As to DNA lengths, generally the first things bots mutate effectively are deletions or inactivations. You'd be surprised at how mnay things we give our bots to be "better" seem to be the first to drop off.
Whereas insertions of new matterial is quite dangerous, since it could really be anything. So maybe there's a selective pressure against the insertion of new code, which is why your bots aren't growing in DNA length.
Just a thought, agian, this is really a grey area.
EricL:
I have 25 islands. In 15 or so, all the bots around an island are the same color. Each island is very uniform, though colors between islands can be quite different. Colors for bots around islands near each other are more similar than islands far apart. In the other 10 cases, there are multiple colors. In some cases, the colors are extremenly close, so I think it's just recent mutations. In a few others though, there seem to be multiple species co-existing. I'll try to attach an image...
Hey, it worked. The image on the left shows an island with multiple colors. There are only a few of these though they seem pretty stable. This one has been showing multiple colors for at least 100k cycles. The image in the middle gives an example of what most islands look like though each has it's own color. The image on the far right shows that some island populations have evolved very visible traits such as spewing shots though in general, most island populations seem to favor ties over shots.
EricL:
Here's an image of the whole sim.
Damn, it's too big. I'll try a clipped view of just part of the sim. Let's see if the colors are visable at this resolution...
This represents the upper left quadrant of the sim. Note that some of the islands have been pulled out of place. They used to form a nice little chain but the bots seem to be able to tug them around at least a little bit and maybe even get one to no longer be fixed. Memory shot maybe?
Elite:
Yeah, I got that when I was doing an evo sim. Somehow, the bots find a way of unfixing all the vegs
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