Bots and Simulations > Simulation Emporium

my first evo sim

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ikke:
A major shift occurred last night: average costX increased from 6 to 12. What happened? Purple shots, not red? Predator genome:
[div class=\'codetop\']CODE[div class=\'codemain\' style=\'height:200px;white-space:pre;overflow:auto\']'''''''''''''''''''''''  Gene:  1 Begins at position  1  '''''''''''''''''''''''
 cond
 *.eye5 6 !~=
 *181 -565 sgn 9 dist *.refeye *.myeye !=
 start
 *.refveldx 4 54 *.refvelup pow floor store
 .up inc
 stop
''''''''''''''''''''''''  Gene:  1 Ends at position  23  '''''''''''''''''''''''

''''''''''''''''''''''''  Gene:  2 Begins at position  24  '''''''''''''''''''''''
 cond
 *.refypos *.eye5 44 >
 pyth *.refeye *.myeye !=
 start
 %=
 dup inc
 pow dist xor
 312 -6 .shoot store
 *.shflav 385 -52 !=
 *.refvelup .up store
 dec
 pow -206 * or

''''''''''''''''''''''''  Gene:  2 Ends at position  55  '''''''''''''''''''''''
''''''''''''''''''''''''  Gene:  3 Begins at position  56  '''''''''''''''''''''''
 cond
 *.eye5 0 =
 start
 *.myeye div 1099 .aimright store

''''''''''''''''''''''''  Gene:  3 Ends at position  65  '''''''''''''''''''''''
''''''''''''''''''''''''  Gene:  4 Begins at position  66  '''''''''''''''''''''''
 cond
 *.nrg 25075 >
 start
 .repro store
 xor
''''''''''''''''''''''''  Gene:  4 Ends at position  73  '''''''''''''''''''''''

Numsgil:
Oh, that's really, really cool.  They learned how to body feed instead of nrg feed.

ikke:

--- Quote from: Numsgil ---Oh, that's really, really cool.  They learned how to body feed instead of nrg feed.
--- End quote ---
What is the advantage there?

Numsgil:
The bot is feeding from its preys' body instead of nrg.  Body holds 10 times as much nrg as raw nrg does, so as long as its preys' nrg is less than ten times its body, it's a more efficient way to feed (they can extract more nrg).

ikke:

--- Quote from: ikke ---2) once on a while the number of subspecies collapses. Population of predators noramally ranges beteen 180 and 220, so I don't see mass extinction as the cause. I think it is a more adapted subspecies taking over at the expense of population diversity.
--- End quote ---
Now I think the driver here can also be local extinction. In one area food prey is no longer available so the subspecies living there go extinct while other areas with abundance keep the total population relatively constant

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