RedGrain | SuperCollider 3.13.0 Help

//-- prepare some buffers
~length= 1;        //segment lengths in seconds - should be the same for positions to scan correctly
~b1= RedBuffer(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav", 0.1, ~length);
~b2= RedBuffer(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav", 0.3, ~length);
~b3= RedBuffer(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav", 0.5, ~length);

//-- create and start the granulator object
r= RedGrain(s);
r.buf_(~b1);
r.start;

//offset halfway into source buffer
r.pos_(0.5);

//switch buffer
r.buf_(~b2);

//cycle through buffers quickly 20 times
(
fork{
    20.do{|i| r.buf_([~b1, ~b2, ~b3].wrapAt(i)); 0.1.wait};
};
)

//cycle through buffers and randomise playback rate
(
fork{
    20.do{|i|
        r.buf_([~b1, ~b2, ~b3].wrapAt(i));
        r.rate_(2.0.rand2);
        0.1.wait;
    }
};
)

//now for something completely different
(
r.rate_(-1.7);
r.pos_(0);
r.dur_(0.2);
r.delta_({0.2.rrand(0.3)});    //delta can be a function
)

//and all of the controllers can be functions
(
r.buf_({[~b1, ~b2, ~b3].choose});
r.rate_({8.0.rand2});
r.pos_({0.1.rand});
r.dur_({0.05.rrand(0.15)});
r.pan_({1.0.rand2});
r.amp_({0.5.rrand(1.0)});
r.delta_({0.01.rrand(0.2)});
)

//quantise playbackrate
r.rate_({10.rand.round(5)});
r.rate_({10.rand.round(4)});
r.rate_({10.rand.round(3)});

//back to static amp and deltatime
r.amp_(0.3);
r.delta_(0.005);    //default
r.dur_(0.1);
r.buf_(~b1);
r.pos_(0);

//take out more and more and stop
(
fork{
    30.do{|i| r.delta_(r.delta*1.1); 0.2.wait};
    r.stop;
};
)

//clean up
~b1.free;
~b2.free;
~b3.free;

helpfile source: HelpSource/Classes/RedGrain.schelp
link::redGrain/Classes/RedGrain::

RedGrain
Extension

Description

Class Methods

.new

Arguments:

Instance Methods

.start

.stop

.pause

.resume

.delta

.buf

.rate

.pos

.dur

.pan

.amp

.mute

.latency

Examples

RedGrainExtension