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Audiovisuals with SC - Example11a - harmonicity is order
See /f0blog/audiovisuals-with-sc/
//Example11a - harmonicity is order
(
s.latency= 0.05;
s.waitForBoot{
//--window setup
var width= 640, height= 480;
var w= Window("Example11a - harmonicity is order", Rect(99, 99, width, height), false);
var u= UserView(w, Rect(0, 0, width, height));
//--variables
var disorder= {1.0.rand2}.dup(30); //array of random values
var syns= {
SynthDef(\av, {|freq= 300, amp= 0, pan= 0|
var z= LPF.ar(LFSaw.ar(freq), freq+2000, amp);
Out.ar(0, Pan2.ar(z, pan));
}).play(s);
}.dup(30); //max 30 voices
s.sync;
//--interface
~num= 6;
~columns= 10;
~dist= 0;
//--main loop
u.drawFunc= {
Pen.translate(60, 60);
Pen.fillColor= Color.white; //always fill with white color
30.do{|i|
var x= i%~columns+(disorder[i]*~dist);
var y= i.div(~columns)+1*100;
x= x+(i.div(~columns)*0.25); //shift each row a little
if(i<~num, {
Pen.fillOval(Rect.aboutPoint(Point(x*60, y), 20, 20));
syns[i].set(
\freq, x+1*y,
\amp, 0.5/~num,
\pan, i%~columns/~columns*2-1
);
}, {
syns[i].set(\amp, 0);
});
};
};
//--window management
u.clearOnRefresh= true;
u.background= Color.black;
w.onClose= {syns.do{|x| x.free}};
w.front;
CmdPeriod.doOnce({w.close});
Routine({
var nextTime;
while({w.isClosed.not}, {
nextTime= Main.elapsedTime+(1/60);
u.refresh;
(nextTime-Main.elapsedTime).max(0.001).wait;
});
}).play(AppClock);
};
)
//change these while the program is running
~dist= 0.5;
~dist= 0;
~dist= 1;
~num= 13;
~dist= 0;
~num= 25;
~dist= 0.1;
~dist= 0.2;
~dist= 0.3;
~columns= 8;
~num= 4;
~dist= 0;
~dist= 1;
(
Routine{
~columns= 9;
400.do{|i|
~num= i.div(10).min(30)+1;
~dist= 1-cos(i%200/200*2pi).abs;
(1/20).wait;
};
"done".postln;
}.play;
)
//close the window to stop or press cmd+.