IEnvGen : UGen : AbstractFunction : Object

(

{

    var env =  Env([0, 0.6, 0.3, 1.0, 0], [0.1, 0.02, 0.4, 1.1], [\lin, \exp, -6, \sin]);

    var envgen = IEnvGen.kr(env, MouseX.kr(0, env.times.sum));

    env.plot;

    SinOsc.ar(envgen * 500 + 440)

}.play;

)

​

// index with an SinOsc ... mouse controls amplitude of SinOsc

// use offset so negative values of SinOsc will map into the Env

(

{

    var sin = SinOsc.ar(440, 0, MouseX.kr(0, 1));

    // use offset so negative values of SinOsc will map into the Env

    var env = Env([-1, -0.7, 0.7, 1], [ 0.8666, 0.2666, 0.8668 ], \lin, offset: -1.0);

    IEnvGen.ar(env, sin) * 0.1

}.play;

)

​

// index with Amplitude of input, control freq of SinOsc (uses SoundIn)

(

{

    var point = Amplitude.ar(SoundIn.ar(0), 0.01, 0.2);

    // use offset so negative values of SinOsc will map into the Env

    var env = Env.xyc([[0, 330, \exp], [0.5, 440, \exp], [1.0, 1760]]);

    SinOsc.ar(IEnvGen.kr(env, point)) * 0.2

}.play;

)