// title: Re: Semi-Random Glitch SynthDef
// author: chuzoup
// description:
// 根據 Semi-Random Glitch SynthDef 的 code 進行一些微小的改動，隨意更換 `sig` 中的來源波形總是會有意想不到的效果。
// 
// ---
// 
// With some minor changes to the code of "Semi-Random Glitch SynthDef", changing the source waveform held by `sig` can always have unexpected results.
// code:
(
SynthDef(\250102, {
    arg freq = 60, index = 1000,
    tRate = 5, aRate = 100, rate = 10,
    out = 0;
    
    var t_trig = LFPulse.kr(0.5 / tRate, 0.5);
    var noise = Hasher.ar(LFNoise0.ar(rate));
    var sig = Saw.ar(
        freq + (noise * index), 
        Decay.kr(Impulse.kr(aRate), noise * 0.01)
    ).tanh;

    FreeSelf.kr(t_trig);
    
    sig = Pan2.ar(sig, noise.range(-0.8, 0.8));
    sig = FreeVerb.ar(sig, 0.4);
    
    Out.ar(out, sig);
}).add;
)

(
Pbind(
    \instrument, \250102,
    \freq, Pfunc({ 2000.rand }),
    \index, Pfunc({ 10000.rand }),
    \rate, Pfunc({ 10.rand }),
    \aRate, Pfunc({ 10.rand }),
    \tRate, 3
).play;
)