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

76 lines
2.3 KiB
C++

/*******************************************/
/* Vibraphone SubClass of Modal4 */
/* Instrument, by Perry R. Cook, 1995-96 */
/* */
/* Controls: CONTROL1 = stickHardness */
/* CONTROL2 = strikePosition*/
/* CONTROL3 = vibFreq */
/* MOD_WHEEL= vibAmt */
/*******************************************/
#include "Vibraphn.h"
Vibraphn :: Vibraphn() : Modal4()
{
wave = new RawWave("rawwaves/marmstk1.raw");
wave->normalize();
wave->setRate(13.33);
vibr->setFreq(4.0);
onepole->setPole(0.2);
this->setRatioAndReson(0, 1.0,0.99995); /* Set */
this->setRatioAndReson(1, 2.01,0.99991); /* our */
this->setRatioAndReson(2, 3.9,0.99992); /* resonance */
this->setRatioAndReson(3,14.37,0.99990); /* values here */
this->setFiltGain(0,0.025);
this->setFiltGain(1,0.015);
this->setFiltGain(2,0.015);
this->setFiltGain(3,0.015);
masterGain = 1.0;
directGain = 0.0;
vibrGain = 0.2;
}
Vibraphn :: ~Vibraphn()
{
}
void Vibraphn :: setStickHardness(MY_FLOAT hardness)
{
wave->setRate(2.0 + (22.66 * hardness));
masterGain = 0.2 + (hardness * 1.6);
}
void Vibraphn :: setStrikePosition(MY_FLOAT position)
{
MY_FLOAT temp,temp2;
temp2 = position * PI;
strikePosition = position; /* Hack only first three modes */
temp = sin(strikePosition * PI);
this->setFiltGain(0,0.025 * temp);
temp = sin(0.1 + (2.01 * temp2));
this->setFiltGain(1,0.015 * temp);
temp = sin(3.95 * temp2);
this->setFiltGain(2,0.015 * temp);
}
void Vibraphn :: controlChange(int number, MY_FLOAT value)
{
#if defined(_debug_)
printf("Vibraphn : ControlChange: Number=%i Value=%f\n",number,value);
#endif
if (number == MIDI_control1)
this->setStickHardness(value * NORM_7);
else if (number == MIDI_control2)
this->setStrikePosition(value * NORM_7);
else if (number == MIDI_control3)
vibr->setFreq((value * NORM_7 * 12.0));
else if (number == MIDI_mod_wheel)
vibrGain = (value * NORM_7);
else if (number == MIDI_after_touch)
this->strike(value * NORM_7);
else {
printf("Vibraphn : Undefined Control Number!!\n");
}
}