[PD] Random

[Alexandre Torres Porres]

also use zexy/date then? :)

2018-05-30 14:59 GMT-03:00 Jean-Marie Adrien <jm.adrien.mnt at gmail.com>:

> the text file seems the best since time things might fail cause patch
> opens everyday at the same computer time…
> or maybe take the nanoseconds…which might differ from one occurrence to
> the other ...
>
> > Le 30 mai 2018 à 16:57, Ingo Stock <mail at ingostock.de> a écrit :
> >
> > Another way is to generate a random number, save this number and use it
> > as a seed the next time the patch gets opened. This way you will always
> > have a fresh seed.
> >
> > Two examples attached, random.pd saves the seed within the patch,
> > random2.pd saves the seed in a text file. random2.pd throws an error the
> > first time, if the text file is not present.
> >
> > best, ingo
> >
> >
> > On 05/30/2018 04:41 PM, Claude Heiland-Allen wrote:
> >> On 30/05/18 15:17, Jean-Marie Adrien wrote:
> >>> Hi everyone,
> >>> trying to open a patch with a different text on screen each time
> random.
> >>> Used random object as always since 20 years with a loadbang.
> >>> Discovered that this loadbang/random seems to generate always the same
> >>> result on opening
> >>> :)
> >> It's a feature.  But not having non-determinism is a bit awkward
> sometimes.
> >>
> >>> What is the correct way to get a random digit on patch load within say
> >>> 30 choices ?
> >>
> >> You can generate a random number before starting Pd and -send it to your
> >> patch on load.
> >> (requires knowledge of shell/cmd scripting)
> >> (this is the approach I took in my 'dynamo' project:
> >> https://code.mathr.co.uk/dynamo )
> >>
> >> You can try to read raw binary data from /dev/urandom, perhaps with
> >> [soundfiler] or [readsf~]
> >> (requires an OS with this device, and I have not tested it)
> >>
> >> You could try reading from [adc~] or analogue sensor pins
> >> (requires some unpredictable signal input, possibly special hardware)
> >>
> >> You could try [delay] with [realtime]
> >> (you might get one or two bits of randomness each time)
> >>
> >> You could try an external
> >> (maybe some function of calendar time will look random enough? I think
> >> zexy has date support)
> >>
> >>
> >> Claude
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