Whistle.h

#ifndef STK_WHISTLE_H
#define STK_WHISTLE_H
 
#include "Instrmnt.h"
#include "Sphere.h"
#include "Vector3D.h"
#include "Noise.h"
#include "SineWave.h"
#include "OnePole.h"
#include "Envelope.h"
 
namespace stk {
 
/***************************************************/
/***************************************************/
 
class Whistle : public Instrmnt
{
public:
 
  Whistle( void );
 
  ~Whistle( void );
 
  void clear( void );
 
  void setFrequency( StkFloat frequency );
 
  void startBlowing( StkFloat amplitude, StkFloat rate );
 
  void stopBlowing( StkFloat rate );
 
  void noteOn( StkFloat frequency, StkFloat amplitude );
 
  void noteOff( StkFloat amplitude );
 
  void controlChange( int number, StkFloat value );
 
  StkFloat tick( unsigned int channel = 0 );
 
 
  StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );
 
protected:
 
         Vector3D *tempVectorP_;
  Vector3D tempVector_;
  OnePole onepole_;
  Noise noise_;
         Envelope envelope_;
  Sphere can_;           // Declare a Spherical "can".
  Sphere pea_, bumper_;  // One spherical "pea", and a spherical "bumper".
 
  SineWave sine_;
 
  StkFloat baseFrequency_;
  StkFloat noiseGain_;
  StkFloat fippleFreqMod_;
         StkFloat fippleGainMod_;
         StkFloat blowFreqMod_;
         StkFloat tickSize_;
         StkFloat canLoss_;
         int subSample_, subSampCount_;
};
 
inline StkFrames& Whistle :: tick( StkFrames& frames, unsigned int channel )
{
  unsigned int nChannels = lastFrame_.channels();
#if defined(_STK_DEBUG_)
  if ( channel > frames.channels() - nChannels ) {
    oStream_ << "Whistle::tick(): channel and StkFrames arguments are incompatible!";
    handleError( StkError::FUNCTION_ARGUMENT );
  }
#endif
 
  StkFloat *samples = &frames[channel];
  unsigned int j, hop = frames.channels() - nChannels;
  if ( nChannels == 1 ) {
    for ( unsigned int i=0; i<frames.frames(); i++, samples += hop )
      *samples++ = tick();
  }
  else {
    for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
      *samples++ = tick();
      for ( j=1; j<nChannels; j++ )
        *samples++ = lastFrame_[j];
    }
  }
 
  return frames;
}
 
} // stk namespace
#endif