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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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49
projects/ragamatic/Drone.h
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@@ -1,3 +1,14 @@
#ifndef STK_DRONE_H
#define STK_DRONE_H
#include "Instrmnt.h"
#include "DelayA.h"
#include "OneZero.h"
#include "ADSR.h"
#include "Noise.h"
namespace stk {
/***************************************************/
/*! \class Drone
\brief STK "drone" plucked string model.
@@ -13,19 +24,10 @@
Stanford, bearing the names of Karplus and/or
Strong.
by Perry R. Cook and Gary P. Scavone, 1995 - 2007.
by Perry R. Cook and Gary P. Scavone, 1995 - 2009.
*/
/***************************************************/
#ifndef STK_DRONE_H
#define STK_DRONE_H
#include "Instrmnt.h"
#include "DelayA.h"
#include "OneZero.h"
#include "ADSR.h"
#include "Noise.h"
class Drone : public Instrmnt
{
public:
@@ -33,27 +35,28 @@ class Drone : public Instrmnt
Drone( StkFloat lowestFrequency = 20 );
//! Class destructor.
~Drone();
~Drone( void );
//! Reset and clear all internal state.
void clear();
void clear( void );
//! Set instrument parameters for a particular frequency.
virtual void setFrequency(StkFloat frequency);
void setFrequency( StkFloat frequency );
//! Pluck the string with the given amplitude using the current frequency.
void pluck(StkFloat amplitude);
void pluck( StkFloat amplitude );
//! Start a note with the given frequency and amplitude.
virtual void noteOn(StkFloat frequency, StkFloat amplitude);
void noteOn( StkFloat frequency, StkFloat amplitude );
//! Stop a note with the given amplitude (speed of decay).
virtual void noteOff(StkFloat amplitude);
void noteOff( StkFloat amplitude );
//! Compute and return one output sample.
StkFloat tick( unsigned int channel = 0 );
protected:
StkFloat computeSample( void );
DelayA delayLine_;
OneZero loopFilter_;
ADSR envelope_;
@@ -63,5 +66,15 @@ class Drone : public Instrmnt
};
inline StkFloat Drone :: tick( unsigned int )
{
// Here's the whole inner loop of the instrument!!
lastFrame_[0] = delayLine_.tick( loopFilter_.tick( delayLine_.lastOut() * loopGain_ )
+ ( 0.005 * envelope_.tick() * noise_.tick() ) );
return lastFrame_[0];
}
} // stk namespace
#endif