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Trem.ck
65 lines (53 loc) · 1.76 KB
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Trem.ck
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/*
LiCK Library for ChucK.
Copyright (c) 2007-2012 held jointly by the individual authors.
This file is part of LiCK.
LiCK is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LiCK is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LiCK. If not, see <http://www.gnu.org/licenses/>.
*/
public class Trem extends Chugen
{
SinOsc sinLfo;
SqrOsc sqrLfo;
TriOsc triLfo;
0.33 => float sinMix;
0.33 => float sqrMix;
0.33 => float triMix;
{
sinLfo => blackhole;
sqrLfo => blackhole;
triLfo => blackhole;
}
fun float rate(float rate)
{
rate => sinLfo.freq;
rate => sqrLfo.freq;
rate => triLfo.freq;
return rate;
}
fun float depth(float depth)
{
depth * sinMix => sinLfo.gain;
depth * sqrMix => sqrLfo.gain;
depth * triMix => triLfo.gain;
return depth;
}
fun float tick(float in)
{
sinLfo.last() * sinMix + sqrLfo.last() * sqrMix + triLfo.last() * triMix => float last;
interp(last, -1.0, 1.0, 0.0, 1.0) => gain;
return in;
}
fun float interp(float value, float sourceMin, float sourceMax, float targetMin, float targetMax)
{
return targetMin + (targetMax - targetMin) * ((value - sourceMin) / (sourceMax - sourceMin));
}
}