Darren New <dne### [at] sanrrcom> wrote:
> Conway's Game of Life with a message for everyone...
> http://golly.sourceforge.net/ticker.gif

  Does that use the real rules, or is it just a fake?

-- 
                                                          - Warp

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Warp wrote:
> Darren New <dne### [at] sanrrcom> wrote:
>> Conway's Game of Life with a message for everyone...
>> http://golly.sourceforge.net/ticker.gif
> 
>   Does that use the real rules, or is it just a fake?

I don't know. I expect it's using the real rules, just from the description 
on the link that led there, but I didn't check it or anything. Such a 
situation isn't hard to set up if you're really into conway's. There are 
well-known patterns for setting up repeating emitters and such.

-- 
   Darren New, San Diego CA, USA (PST)
   "Ouch ouch ouch!"
   "What's wrong? Noodles too hot?"
   "No, I have Chopstick Tunnel Syndrome."

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Warp wrote:
>   Does that use the real rules, or is it just a fake?

It's real. Here's the description of how the artist did it.

http://tlrobinson.net/blog/2009/02/07/game-of-life-generator/

Along with one that draws pictures.  Basically, you build a glider gun gun, 
then delete out the gliders where you want whitespace. :-)

-- 
   Darren New, San Diego CA, USA (PST)
   "Ouch ouch ouch!"
   "What's wrong? Noodles too hot?"
   "No, I have Chopstick Tunnel Syndrome."

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Darren New <dne### [at] sanrrcom> wrote:
> Along with one that draws pictures.  Basically, you build a glider gun gun, 
> then delete out the gliders where you want whitespace. :-)

  So basically you have a construct which produces gliders at certain
intervals, and another which eats them at certain intervals, and it's
only a question of aligning and synchronizing them properly in order to
get any specified combination of gliders moving to the left?

-- 
                                                          - Warp

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Warp wrote:
>   So basically you have a construct which produces gliders at certain
> intervals, and another which eats them at certain intervals, and it's
> only a question of aligning and synchronizing them properly in order to
> get any specified combination of gliders moving to the left?

Essentially.

I think it's more like you have a construct that will reflect a glider, and 
one that will reflect a glider while duplicating it at 90 degrees. You like 
up a bunch of these on a diagonal, and put in the pattern of gliders that 
represents the horizontal rows.

So each diagonal thing has a pattern of gliders circling back and forth. 
Each time a glider gets to the bottom of it (for the reddit alien) it gets 
duplicated heading left. Make the diagonals, synchronize it, and you get 
whatever pattern of dots you put in.

I'm not sure where the "eating" part of your description fits in. It's more 
a reflection at the end that's not making the picture, and a duplication at 
the end that is.


-- 
   Darren New, San Diego CA, USA (PST)
   "Ouch ouch ouch!"
   "What's wrong? Noodles too hot?"
   "No, I have Chopstick Tunnel Syndrome."

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Darren New <dne### [at] sanrrcom> wrote:
> I'm not sure where the "eating" part of your description fits in.

  I assumed it from your description: "Basically, you build a glider gun gun,
then delete out the gliders where you want whitespace."

-- 
                                                          - Warp

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Warp wrote:
> Darren New <dne### [at] sanrrcom> wrote:
>> I'm not sure where the "eating" part of your description fits in.
> 
>   I assumed it from your description: "Basically, you build a glider gun gun,
> then delete out the gliders where you want whitespace."

I had meant that you make a train of gliders and just erase before you start 
the ones you don't want making pixels.   Which wasn't quite right - I had to 
go and watch the animations again to see what was going on.

-- 
   Darren New, San Diego CA, USA (PST)
   "Ouch ouch ouch!"
   "What's wrong? Noodles too hot?"
   "No, I have Chopstick Tunnel Syndrome."

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triple_r wrote:
> Darren New <dne### [at] sanrrcom> wrote:
>> Conway's Game of Life with a message for everyone...
>> http://golly.sourceforge.net/ticker.gif
> 
> Aah, hashlife.  My personal favorite is metalife (the game of life implemented
> in the game of life!).
> 
>  - Ricky
> 


metalife...

interested person requests link  ;-)

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Tom Austin <taustin> wrote:
> triple_r wrote:
> > Darren New <dne### [at] sanrrcom> wrote:
> >> Conway's Game of Life with a message for everyone...
> >> http://golly.sourceforge.net/ticker.gif
> >
> > Aah, hashlife.  My personal favorite is metalife (the game of life implemented
> > in the game of life!).
> >
> >  - Ricky
> >
>
>
> metalife...
>
> interested person requests link  ;-)

It's the one right above (without ticker.gif).  Meta Galaxy is just one example
of it on the front page, but I think there are a couple more if you download
the program.  An 'alive' cell is one with a bunch of little gliders passing
through it.  This is controlled by the grid, a network of machinery surrounding
each cell.  To toggle a cell, things have to travel around the whole cell and
count the state of the neighbors.  All of this uses hashlife, so it is very
efficient.  If I recall, that means it solves it on an octree, uses a hash
table to find duplicate sections, and completely avoids evaluation of huge
sections.  Apparently this is difficult to implement.

 - Ricky

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triple_r wrote:
> Tom Austin <taustin> wrote:
>> triple_r wrote:
>>> Darren New <dne### [at] sanrrcom> wrote:
>>>> Conway's Game of Life with a message for everyone...
>>>> http://golly.sourceforge.net/ticker.gif
>>> Aah, hashlife.  My personal favorite is metalife (the game of life implemented
>>> in the game of life!).
>>>
>>>  - Ricky
>>>
>>
>> metalife...
>>
>> interested person requests link  ;-)
> 
> It's the one right above (without ticker.gif).  Meta Galaxy is just one example
> of it on the front page, but I think there are a couple more if you download
> the program.  An 'alive' cell is one with a bunch of little gliders passing
> through it.  This is controlled by the grid, a network of machinery surrounding
> each cell.  To toggle a cell, things have to travel around the whole cell and
> count the state of the neighbors.  All of this uses hashlife, so it is very
> efficient.  If I recall, that means it solves it on an octree, uses a hash
> table to find duplicate sections, and completely avoids evaluation of huge
> sections.  Apparently this is difficult to implement.
> 
>  - Ricky
> 

DUH - I though it was on a different place.


Some people have WAY too much time on their hands.

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