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Version 4.4.0

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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
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59
src/Bowed.cpp
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@@ -17,14 +17,16 @@
- Vibrato Gain = 1
- Volume = 128
by Perry R. Cook and Gary P. Scavone, 1995 - 2007.
by Perry R. Cook and Gary P. Scavone, 1995 - 2009.
*/
/***************************************************/
#include "Bowed.h"
#include "SKINI.msg"
Bowed :: Bowed(StkFloat lowestFrequency)
namespace stk {
Bowed :: Bowed( StkFloat lowestFrequency )
{
unsigned long length;
length = (long) ( Stk::sampleRate() / lowestFrequency + 1 );
@@ -54,17 +56,17 @@ Bowed :: Bowed(StkFloat lowestFrequency)
this->setFrequency( 220.0 );
}
Bowed :: ~Bowed()
Bowed :: ~Bowed( void )
{
}
void Bowed :: clear()
void Bowed :: clear( void )
{
neckDelay_.clear();
bridgeDelay_.clear();
}
void Bowed :: setFrequency(StkFloat frequency)
void Bowed :: setFrequency( StkFloat frequency )
{
StkFloat freakency = frequency;
if ( frequency <= 0.0 ) {
@@ -80,20 +82,20 @@ void Bowed :: setFrequency(StkFloat frequency)
neckDelay_.setDelay( baseDelay_ * (1.0 - betaRatio_) ); // bow to nut (finger) length
}
void Bowed :: startBowing(StkFloat amplitude, StkFloat rate)
void Bowed :: startBowing( StkFloat amplitude, StkFloat rate )
{
adsr_.setRate( rate );
adsr_.setAttackRate( rate );
adsr_.keyOn();
maxVelocity_ = 0.03 + ( 0.2 * amplitude );
}
void Bowed :: stopBowing(StkFloat rate)
void Bowed :: stopBowing( StkFloat rate )
{
adsr_.setRate( rate );
adsr_.setReleaseRate( rate );
adsr_.keyOff();
}
void Bowed :: noteOn(StkFloat frequency, StkFloat amplitude)
void Bowed :: noteOn( StkFloat frequency, StkFloat amplitude )
{
this->startBowing( amplitude, amplitude * 0.001 );
this->setFrequency( frequency );
@@ -104,7 +106,7 @@ void Bowed :: noteOn(StkFloat frequency, StkFloat amplitude)
#endif
}
void Bowed :: noteOff(StkFloat amplitude)
void Bowed :: noteOff( StkFloat amplitude )
{
this->stopBowing( (1.0 - amplitude) * 0.005 );
@@ -114,41 +116,12 @@ void Bowed :: noteOff(StkFloat amplitude)
#endif
}
void Bowed :: setVibrato(StkFloat gain)
void Bowed :: setVibrato( StkFloat gain )
{
vibratoGain_ = gain;
}
StkFloat Bowed :: computeSample()
{
StkFloat bowVelocity;
StkFloat bridgeRefl;
StkFloat nutRefl;
StkFloat newVel;
StkFloat velDiff;
StkFloat stringVel;
bowVelocity = maxVelocity_ * adsr_.tick();
bridgeRefl = -stringFilter_.tick( bridgeDelay_.lastOut() );
nutRefl = -neckDelay_.lastOut();
stringVel = bridgeRefl + nutRefl; // Sum is String Velocity
velDiff = bowVelocity - stringVel; // Differential Velocity
newVel = velDiff * bowTable_.tick( velDiff ); // Non-Linear Bow Function
neckDelay_.tick(bridgeRefl + newVel); // Do string propagations
bridgeDelay_.tick(nutRefl + newVel);
if ( vibratoGain_ > 0.0 ) {
neckDelay_.setDelay( (baseDelay_ * (1.0 - betaRatio_) ) +
(baseDelay_ * vibratoGain_ * vibrato_.tick()) );
}
lastOutput_ = bodyFilter_.tick( bridgeDelay_.lastOut() );
return lastOutput_;
}
void Bowed :: controlChange(int number, StkFloat value)
void Bowed :: controlChange( int number, StkFloat value )
{
StkFloat norm = value * ONE_OVER_128;
if ( norm < 0 ) {
@@ -185,3 +158,5 @@ void Bowed :: controlChange(int number, StkFloat value)
handleError( StkError::DEBUG_WARNING );
#endif
}
} // stk namespace