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Resonate.h

00001 #ifndef STK_RESONATE_H
00002 #define STK_RESONATE_H
00003 
00004 #include "Instrmnt.h"
00005 #include "ADSR.h"
00006 #include "BiQuad.h"
00007 #include "Noise.h"
00008 
00009 namespace stk {
00010 
00011 /***************************************************/
00028 /***************************************************/
00029 
00030 class Resonate : public Instrmnt
00031 {
00032  public:
00034   Resonate( void );
00035 
00037   ~Resonate( void );
00038 
00040   void clear( void );
00041 
00043   void setResonance( StkFloat frequency, StkFloat radius );
00044 
00046   void setNotch( StkFloat frequency, StkFloat radius );
00047 
00049   void setEqualGainZeroes( void ) { filter_.setEqualGainZeroes(); };
00050 
00052   void keyOn( void ) { adsr_.keyOn(); };
00053 
00055   void keyOff( void ) { adsr_.keyOff(); };
00056 
00058   void noteOn( StkFloat frequency, StkFloat amplitude );
00059 
00061   void noteOff( StkFloat amplitude );
00062 
00064   void controlChange( int number, StkFloat value );
00065 
00067   StkFloat tick( unsigned int channel = 0 );
00068 
00069  protected:
00070 
00071   ADSR     adsr_;
00072   BiQuad   filter_;
00073   Noise    noise_;
00074   StkFloat poleFrequency_;
00075   StkFloat poleRadius_;
00076   StkFloat zeroFrequency_;
00077   StkFloat zeroRadius_;
00078 
00079 };
00080 
00081 inline StkFloat Resonate :: tick( unsigned int )
00082 {
00083   lastFrame_[0] = filter_.tick( noise_.tick() );
00084   lastFrame_[0] *= adsr_.tick();
00085   return lastFrame_[0];
00086 }
00087 
00088 } // stk namespace
00089 
00090 #endif

The Synthesis ToolKit in C++ (STK)
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