What would you use for string/bang in CsoundUnity?

Developers
#1

So I built a simple csound patch for CsoundUnity. Im looking for a way to send a message/string/bang/something that Unity can recognize, that will tell me when its done playing the sound. Im using transeg for the envelope, and ideally something will send a string/number once the envelope is done.

any suggestion what I can use to achieve that?

#2

You can send a trigger signal over a channel and then set up some kind of polling system in Unity that listens for changes to the channel. @g_b just added support for channel callbacks, but it doesn’t look like they will continue to be supported in newer versions of Csound, so perhaps they should be avoided.

#3

Yes the callback system only lives in a branch (GitHub - rorywalsh/CsoundUnity at channelCallbacks, CALLBACKS region here: CsoundUnity/CsoundUnity.cs at a42f659bd473d4d453da8ba9d9e210c87f209f9a · rorywalsh/CsoundUnity · GitHub) but it’s not been merged into master because from Csound 7 they won’t be available anymore, so it didn’t make sense to add them.

@Sh_dev you can try something like this:

// C#
var channelTrigger = CsoundUnity.GetChannel("channelTrigger");
if(channelTrigger == 1)
{
    // reset the trigger
    CsoundUnity.SetChannel("channelTrigger", 0);
    // execute your code
}

; Csound code

instr 1

itim = 3				;set the envelope time

clock: 
   timout 0, itim, trig
   reinit clock

trig:
   chnset 1, "channelTrigger"
   prints "trigger!\n"

endin

(warning, code not tested)