BeeThree.h

#ifndef STK_BEETHREE_H
#define STK_BEETHREE_H

#include "FM.h"

namespace stk {

/***************************************************/
/***************************************************/

class BeeThree : public FM
{
 public:

  BeeThree( void );

  ~BeeThree( void );

  void noteOn( StkFloat frequency, StkFloat amplitude );

  StkFloat tick( unsigned int channel = 0 );


  StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );

 protected:

};

inline StkFloat BeeThree :: tick( unsigned int )
{
  StkFloat temp;

  if ( modDepth_ > 0.0 )   {
    temp = 1.0 + ( modDepth_ * vibrato_.tick() * 0.1 );
    waves_[0]->setFrequency( baseFrequency_ * temp * ratios_[0] );
    waves_[1]->setFrequency( baseFrequency_ * temp * ratios_[1] );
    waves_[2]->setFrequency( baseFrequency_ * temp * ratios_[2] );
    waves_[3]->setFrequency( baseFrequency_ * temp * ratios_[3] );
  }

  waves_[3]->addPhaseOffset( twozero_.lastOut() );
  temp = control1_ * 2.0 * gains_[3] * adsr_[3]->tick() * waves_[3]->tick();
  twozero_.tick( temp );

  temp += control2_ * 2.0 * gains_[2] * adsr_[2]->tick() * waves_[2]->tick();
  temp += gains_[1] * adsr_[1]->tick() * waves_[1]->tick();
  temp += gains_[0] * adsr_[0]->tick() * waves_[0]->tick();

  lastFrame_[0] = temp * 0.125;
  return lastFrame_[0];
}

inline StkFrames& BeeThree :: tick( StkFrames& frames, unsigned int channel )
{
  unsigned int nChannels = lastFrame_.channels();
#if defined(_STK_DEBUG_)
  if ( channel > frames.channels() - nChannels ) {
    oStream_ << "BeeThree::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