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Counterfeit Gliders

https://conwaylife.com/forums/viewtopic.php?f=11&t=2693

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Re: Counterfeit Gliders

Posted: January 26th, 2018, 10:50 pm
by 77topaz
Glider as a p100 oscillator:

Code: Select all

x = 3, y = 3, rule = B2e3-a/S23
bo$2bo$3o!

Re: Counterfeit Gliders

Posted: January 27th, 2018, 6:25 am
by _zM
I think this is the fourth or fifth time this has been found

Re: Counterfeit Gliders

Posted: February 6th, 2018, 11:07 am
by vyznev
Random find in a search for small spaceships in B0 rules. Guess which way this goes. ;)

Code: Select all

x = 3, y = 3, rule = B012ik3-eijq4-iknr5-ajkr6-ae8/S1e2ak3-ack4-ceqwy5aknqy6e
bo$2o$obo!
Also, most patterns in this rule tend to, not entirely surprisingly, explode. However, if you start with a random seed like, say, the slightly tweaked "glider" below and let it run long enough (in this case, about 3000 generations), something curious happens to the expanding ball of chaos. I've seen other rules with this kind of behavior, but I'm not sure what to call it. Is there a name for it?

Code: Select all

x = 4, y = 4, rule = B012ik3-eijq4-iknr5-ajkr6-ae8/S1e2ak3-ack4-ceqwy5aknqy6e
bo$2o$obo$3bo!

Re: Counterfeit Gliders

Posted: February 6th, 2018, 12:31 pm
by BlinkerSpawn
vyznev wrote:...if you start with a random seed like, say, the slightly tweaked "glider" below and let it run long enough (in this case, about 3000 generations), something curious happens to the expanding ball of chaos. I've seen other rules with this kind of behavior, but I'm not sure what to call it. Is there a name for it?

Code: Select all

rle
This rather stable puffer front-end forms and quickly escapes the rest of the chaos:

Code: Select all

x = 5, y = 5, rule = B012ik3-eijq4-iknr5-ajkr6-ae8/S1e2ak3-ack4-ceqwy5aknqy6e
2bo$bobo$obo$bob2o$3b2o!
Since this rule is so chaotic, however, the "ball" and the puffer trail are permanently stuck together resulting in an unusual shape.

Re: Counterfeit Gliders

Posted: February 6th, 2018, 1:10 pm
by vyznev
BlinkerSpawn wrote:This rather stable puffer front-end forms and quickly escapes the rest of the chaos:

Code: Select all

x = 5, y = 5, rule = B012ik3-eijq4-iknr5-ajkr6-ae8/S1e2ak3-ack4-ceqwy5aknqy6e
2bo$bobo$obo$bob2o$3b2o!
Since this rule is so chaotic, however, the "ball" and the puffer trail are permanently stuck together resulting in an unusual shape.
Indeed. The same thing happens e.g. in the totalistic von Neumann rule B04/S1V:

Code: Select all

x = 5, y = 4, rule = B04/S1V
ob2o$2bo2$4bo!
Calling those things puffers doesn't really match the usual definition of the word, though, since their trail is neither stable nor periodic. It's not even clear if the engines themselves are truly stable, although they do seem like they are. (In fact, in some rules there are similar engines that are unstable, propagating for a while before eventually breaking down and getting swallowed by the chaos behind them.) It just seems like there ought to be a distinct term for these things.

Re: Counterfeit Gliders

Posted: February 6th, 2018, 6:19 pm
by Gamedziner
vyznev wrote:It just seems like there ought to be a distinct term for these things.
How about "rocket"? Real-life rockets produce seemingly-random trails of smoke and travel a variety of distances before stopping.

Re: Counterfeit Gliders

Posted: February 6th, 2018, 9:57 pm
by KittyTac
Like the things in DotLife...

Re: Counterfeit Gliders

Posted: February 6th, 2018, 10:39 pm
by AforAmpere
Gamedziner wrote:rocket
I would love if that became the accepted name, it fits well.

Re: Counterfeit Gliders

Posted: February 6th, 2018, 11:12 pm
by dani
Gamedziner wrote:How about "rocket"? Real-life rockets produce seemingly-random trails of smoke and travel a variety of distances before stopping.
Rocket usually refers to patterns that look like spaceships but die down, it was first used with Day&Night.

At least, I think so.

Re: Counterfeit Gliders

Posted: February 6th, 2018, 11:39 pm
by KittyTac
Or, the :-)-geronimo.

DYAC: B-heptomino.

Re: Counterfeit Gliders

Posted: May 2nd, 2018, 5:54 pm
by wwei23

Code: Select all

x = 3, y = 3, rule = B2-ae3/S023ck4e
obo$b2o$bo!

Re: Counterfeit Gliders

Posted: June 8th, 2018, 10:09 pm
by LaundryPizza03

Code: Select all

x = 3, y = 3, rule = B2-a5j/S12e3any6ai
bo$2bo$3o!

Re: Counterfeit Gliders

Posted: July 20th, 2018, 4:07 am
by 77topaz
2c/12o glider:

Code: Select all

x = 3, y = 3, rule = B2e3-e/S1c2-a3aciqy4aqz5acjk6aen7c
bo$2bo$3o!

Re: Counterfeit Gliders

Posted: July 22nd, 2018, 6:15 pm
by Hdjensofjfnen
Does this count?

Code: Select all

x = 5, y = 3, rule = B2a3er4ai5-k678/S2cn3enq56
3bo$o3bo$2b3o!

Re: Counterfeit Gliders

Posted: July 26th, 2018, 9:18 pm
by Gamedziner
Hdjensofjfnen wrote:Does this count?

Code: Select all

x = 5, y = 3, rule = B2a3er4ai5-k678/S2cn3enq56
3bo$o3bo$2b3o!
I would think so. The dot is a spark that reappears immediately only because the ship moves at c.
EDIT: Actually, no. See wwei23's post below.

Re: Counterfeit Gliders

Posted: July 27th, 2018, 9:12 am
by wwei23
Hdjensofjfnen wrote:Does this count?

Code: Select all

x = 5, y = 3, rule = B2a3er4ai5-k678/S2cn3enq56
3bo$o3bo$2b3o!
No. The ship must share a phase with a phase of the glider with exactness. Extra dots are not welcome.

Re: Counterfeit Gliders

Posted: July 29th, 2018, 2:06 pm
by Hdjensofjfnen

Code: Select all

x = 3, y = 3, rule = B2e3-a/S23
3o$2bo$bo!

Re: Counterfeit Gliders

Posted: July 30th, 2018, 10:51 am
by AforAmpere
Glider to R and back:

Code: Select all

x = 3, y = 3, rule = B2c3-cery5i6ac/S02-n3aijnr5cy
3o$2bo$bo!
Same idea, but fast:

Code: Select all

x = 3, y = 3, rule = B2cn3-ekqr4ijqw5acejy6ack7/S2-cn3-aiq4ciw5i6ace7e
3o$2bo$bo!

Re: Counterfeit Gliders

Posted: August 1st, 2018, 10:45 pm
by 77topaz
It can get even faster:

Code: Select all

x = 3, y = 3, rule = B3-jkn4a/S1e2-a3ijnry4n
3o$2bo$bo!
This rule is Arrow, by the way.

Re: Counterfeit Gliders

Posted: August 26th, 2018, 8:05 am
by LaundryPizza03
Go and stop, go and stop, ...

Code: Select all

x = 3, y = 3, rule = B0124krt56ae7/S13c4k5y
bo$2bo$3o!

Re: Counterfeit Gliders

Posted: October 19th, 2018, 4:31 pm
by wwei23

Code: Select all

x = 3, y = 3, rule = B2e3eikny4aekrw5aikny6eik7/S1c2-ai3acky4aenqt5nry6-cn78
2bo$obo$b2o!

Re: Counterfeit Gliders

Posted: October 19th, 2018, 7:11 pm
by 77topaz
That rule is explosive due to a failed replicator, but adding S5i gives a non-explosive rule with the same counterfeit glider:

Code: Select all

x = 3, y = 3, rule = B2e3eikny4aekrw5aikny6eik7/S1c2-ai3acky4aenqt5inry6-cn78
2bo$obo$b2o!

Re: Counterfeit Gliders

Posted: November 25th, 2018, 8:14 pm
by Macbi

Code: Select all

x = 3, y = 3, rule = B2ce3a4rt/S1c3aenq4kr
obo$b2o$bo!

Code: Select all

x = 3, y = 3, rule = B2ce3aeinr5n/S1c2ace3r5iy6c7c
bo$2bo$3o!

Code: Select all

x = 16, y = 3, rule = B012a3ai4nz5ay6ak/S1e2a3r4aciknryz5inqr6ac
bo11bo$2bo11b2o$3o10b2o!

Re: Counterfeit Gliders

Posted: November 26th, 2018, 4:45 am
by Senso
Er, never mind.

Re: Counterfeit Gliders

Posted: November 26th, 2018, 4:53 am
by Saka
Senso wrote:

Code: Select all

x = 9, y = 7, rule = B2ae/S34
2bobo$bobobo$3o$3o$bobo4bo$2b2obo$4bo3bo!
It's not a glider in B3/S23
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