Hi There,
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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