e1lama/stk
1
0
Fork 0
mirror of https://github.com/thestk/stk synced 2026-01-14 13:31:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Version 4.4.0

Browse Source
This commit is contained in:
Gary Scavone
2013-09-29 23:11:39 +02:00
committed by Stephen Sinclair
parent d199342e86
commit eccd8c9981
287 changed files with 11712 additions and 7676 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
src/Modulate.cpp
View File

@@ -6,54 +6,44 @@
modulations to give a nice, natural human
modulation function.
by Perry R. Cook and Gary P. Scavone, 1995 - 2007.
by Perry R. Cook and Gary P. Scavone, 1995 - 2009.
*/
/***************************************************/
#include "Modulate.h"
Modulate :: Modulate()
namespace stk {
Modulate :: Modulate( void )
{
vibrato_.setFrequency( 6.0 );
vibratoGain_ = 0.04;
noise_.setRate( 330 );
randomGain_ = 0.05;
noiseRate_ = (unsigned int) ( 330.0 * Stk::sampleRate() / 22050.0 );
noiseCounter_ = noiseRate_;
randomGain_ = 0.05;
filter_.setPole( 0.999 );
filter_.setGain( randomGain_ );
Stk::addSampleRateAlert( this );
}
Modulate :: ~Modulate()
Modulate :: ~Modulate( void )
{
Stk::removeSampleRateAlert( this );
}
void Modulate :: reset()
void Modulate :: sampleRateChanged( StkFloat newRate, StkFloat oldRate )
{
lastOutput_ = (StkFloat) 0.0;
if ( !ignoreSampleRateChange_ )
noiseRate_ = (unsigned int ) ( newRate * noiseRate_ / oldRate );
}
void Modulate :: setVibratoRate(StkFloat rate)
{
vibrato_.setFrequency( rate );
}
void Modulate :: setVibratoGain(StkFloat gain)
{
vibratoGain_ = gain;
}
void Modulate :: setRandomGain(StkFloat gain)
void Modulate :: setRandomGain( StkFloat gain )
{
randomGain_ = gain;
filter_.setGain( randomGain_ );
}
StkFloat Modulate :: computeSample()
{
// Compute periodic and random modulations.
lastOutput_ = vibratoGain_ * vibrato_.tick();
lastOutput_ += filter_.tick( noise_.tick() );
return lastOutput_;
}
} // stk namespace