Files
stk/Moog1.cpp
Gary Scavone 6485746ee9 Version 0.99
2009-03-24 22:41:14 -04:00

109 lines
2.9 KiB
C++

/******************************************/
/* Test Sampler Subclass of */
/* Sampling Synthesizer Class */
/* by Perry R. Cook, 1995-96 */
/* */
/* Controls: CONTROL1 = filterQ */
/* CONTROL2 = filterRate */
/* CONTROL3 = vibFreq */
/* MOD_WHEEL= vibAmt */
/******************************************/
#include "Moog1.h"
Moog1 :: Moog1() : SamplFlt()
{
attacks[0] = new RawWave("rawwaves/mandpluk.raw");
loops[0] = new RawWave("rawwaves/impuls20.raw");
loops[1] = new RawWave("rawwaves/sinewave.raw"); /* Steal one for vibrato */
attacks[0]->normalize();
loops[0]->normalize();
loops[0]->setLooping(1);
loops[1]->normalize();
loops[1]->setLooping(1);
loops[1]->setFreq(6.122);
adsr->setAll(0.05,0.00003,0.6,0.0002);
filterQ = 0.85;
filterRate = 0.0001;
modDepth = 0.0;
}
Moog1 :: ~Moog1()
{
delete attacks[0];
delete loops[0];
delete loops[1];
}
void Moog1 :: setFreq(MY_FLOAT frequency)
{
baseFreq = frequency;
attacks[0]->setFreq(baseFreq * 0.01);
loops[0]->setFreq(baseFreq);
}
void Moog1 :: noteOn(MY_FLOAT freq, MY_FLOAT amp)
{
MY_FLOAT temp;
this->setFreq(freq);
this->keyOn();
attackGain = amp * 0.5;
loopGain = amp;
temp = filterQ+0.05;
filters[0]->setStates(2000,temp,2.0 * (1.0 - temp));
filters[1]->setStates(2000,temp,2.0 * (1.0 - temp));
temp = filterQ+0.099;
filters[0]->setTargets( 0,temp,2.0 * (1.0 - temp));
filters[1]->setTargets( 0,temp,2.0 * (1.0 - temp));
filters[0]->setSweepRate(filterRate * RATE_NORM);
filters[1]->setSweepRate(filterRate * RATE_NORM);
#if defined(_debug_)
printf("Moog1 : NoteOn: Freq=%lf Amp=%lf\n",freq,amp);
#endif
}
void Moog1 :: setModulationSpeed(MY_FLOAT mSpeed)
{
loops[1]->setFreq(mSpeed);
}
void Moog1 :: setModulationDepth(MY_FLOAT mDepth)
{
modDepth = mDepth * 0.5;
}
void Moog1 :: controlChange(int number, MY_FLOAT value)
{
#if defined(_debug_)
printf("Moog1 : ControlChange: Number=%i Value=%f\n",number,value);
#endif
if (number == MIDI_control1)
filterQ = 0.80 + (0.1 * value * NORM_7);
else if (number == MIDI_control2)
filterRate = (value * NORM_7 * 0.0002);
else if (number == MIDI_control3)
this->setModulationSpeed(value * NORM_7 * 12.0);
else if (number == MIDI_mod_wheel)
this->setModulationDepth(value * NORM_7);
else if (number == MIDI_after_touch)
adsr->setTarget(value * NORM_7);
else {
printf("Moog1 : Undefined Control Number!!\n");
}
}
MY_FLOAT Moog1 :: tick()
{
MY_FLOAT temp;
if (modDepth!=0.0) {
temp = loops[1]->tick() * modDepth;
loops[0]->setFreq(baseFreq * (1.0 + temp));
}
lastOutput = SamplFlt :: tick();
return lastOutput;
}