onTimer: play a note, reset timer, repeat

[gorangrooves]

It seemed a trivial thing to accomplish, but I am a bit stuck.

Objective: In a NoiseGenerator start a timer. When the timer reaches a particular value (eg. 3sec), play a note (noise), then reset the timer, so that the process can repeat indefinitely.

I've tried various strategies, but I am still not getting a note to play on timer. Here is the latest I've got that doesn't work.

**onInit**

var t = Engine.createTimerObject();

t.startTimer(100);


var qt = Synth.isTimerRunning();



**onNoteOn**

function onNoteOn()
{
	Message.ignoreEvent(true); // Isolate the synth by ignoring any MIDI notes coming in
}
 


**onTimer**

function onTimer()
{
    Console.print("Is timer running? " + qt);
    
	if (t > 3000)
    {
    Synth.playNote(38,127);
    Synth.addNoteOff(1,38,100000);
    t.resetCounter;
    }
    Console.print("Current timer: " + t);
}
 

Any help is much appreciated!

[d.healey]

@gorangrooves

There are a few issues.

Firstly never use var unless your life depends on it :p (almost).

Your timer should be a const

isTimerRunning() lives in the moment. If you call that function within on init then it is only going to check if the timer is running during on init and at no other time.

Engine.createTimerObject() Creates a new timer, completely separate from the in-built synth timer. So starting that timer will not trigger the synth timer callback.

I think this playlist is for you:
https://www.youtube.com/playlist?list=PLynv7CujPCfZBVsmtWsSZ68nPMXuIHwNL

[gorangrooves]

@d-healey Thanks, @d-healey . Your video was very helpful in understanding a few things. I created a looping timer that plays a note at random intervals. I specify a range for the random interval.

Here is my script, which I put on the main Container holding a child synth noise generator.

**onInit**

Synth.startTimer(3);


**onNoteOn**

function onNoteOn()
{
	Message.ignoreEvent(true); // Isolate the synth by ignoring any MIDI notes coming in
	
}
 


**onTimer**

function onTimer()
{
    var RT = Math.randInt(10,20);
    Synth.stopTimer();
    Synth.startTimer(RT);
    
    local ti = Synth.getTimerInterval();

    Synth.playNote(38,127);
    Synth.addNoteOff(1,38,100000);
    
    Console.print("Current timer: " + ti);
}
 

So, all of that works wonderfully for a single generator.

Here is the next challenge: I'd like to create several child synths in that main Container, each playing a different note and routed to a different matrix output. All notes should start and finish at the same time, thus getting the cue from the main Container timer.

How do I go about this, please?