Hi There,

Graham Coleman had this awesome class called TimeGrid…  anyone know where that's located anymore?  I might be able to dig it up this weekend.  It encapsulated a lot of this kind of quantizing functionality in a neat way.

-Mike

http://michaelclemow.com
http://semiotech.org




On Thu, May 3, 2012 at 12:34 PM, [chriswicks] <crwicks@yahoo.com> wrote:
All 3 replies were spot-on, thanks very much.  Tom Lieber, your suggestion works perfectly for my application, verbatim.  Thanks guys, this list is fantastic!  Loving ChucK.

-crwicks


From: Tom Lieber <tom@alltom.com>
To: [chriswicks] <crwicks@yahoo.com>; ChucK Users Mailing List <chuck-users@lists.cs.princeton.edu>
Sent: Thursday, May 3, 2012 11:08 AM
Subject: Re: [chuck-users] coordinating rhythmic timing with unpredictable OSC events

On Thu, May 3, 2012 at 10:54 AM, [chriswicks] <crwicks@yahoo.com> wrote:
> Hello all!  I'm quite new to ChucK, and I have a question concerning
> rhythmic timing.  I've got a program that I'm working on that accepts OSC
> events being sent from a C++ application.  Now, the program chugs along,
> it's quite rhytmic, and I'd like to trigger melodic shreds based on values
> sent through OSC.  No problem doing that.  My problem comes from the fact
> that the C++ app isn't in sync with the ChucK VM, so the times at which it
> chooses to send data are pretty much never in sync with everything else
> that's going on, so the melodic shred is triggered but is not lined up
> rhythmically with everything else that's going on.
>
> Is there any way to hack it so that it waits to add the shred until it's
> lined up with everything else (quantized, so to speak).  I'm not sure if I'm
> properly expressing the problem, so let me know if there's some way I can
> further clarify.

Simplest way is to prepend your shreds with synchronization code like this:

  second / 2 => dur beat;
  beat - (now % beat) => now;

If your tempo varies, you might need an object that sends 'beat'
events and you could wait to receive one of those at the start of the
shred instead.

--
Tom Lieber
http://AllTom.com/
http://infinite-sketchpad.com/



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