/***************************************************/
/*! \class MoogVCF
  \brief STK MoogVCF filter

  This class implements Tim Stilson's MoogVCF filter
  that was used in SynthBuilder.

  2007 Nick Porcaro
*/
#ifndef STK_MOOGVCF_H
#define STK_MOOGVCF_H

#include "Function.h"

class MoogVCF : public Function
{
public:
  //! Default constructor.
  MoogVCF();
  void clear();
  StkFloat computeSample(StkFloat input);
  StkFloat tick(StkFloat input, StkFloat gain, StkFloat freq);
  void getDefaultSeparationTable(StkFloat **ptr);
  int defaultSeparationTableLen();
  ~MoogVCF();

protected:
  StkFloat *table_;
  int tableLength_;
  StkFloat midPointIndex_;
  StkFloat sfb_;
  StkFloat s[4];
};

#endif