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# PercFlut.h

    00001 #ifndef STK_PERCFLUT_H
    00002 #define STK_PERCFLUT_H
    00003
    00004 #include "FM.h"
    00005
    00006 namespace stk {
    00007
    00008 /***************************************************/
    00034 /***************************************************/
    00035
    00036 class PercFlut : public FM
    00037 {
    00038  public:
    00040
    00043   PercFlut( void );
    00044
    00046   ~PercFlut( void );
    00047
    00049   void setFrequency( StkFloat frequency );
    00050
    00052   void noteOn( StkFloat frequency, StkFloat amplitude );
    00053
    00055   StkFloat tick( unsigned int channel = 0 );
    00056
    00057  protected:
    00058
    00059 };
    00060
    00061 inline StkFloat PercFlut :: tick( unsigned int )
    00062 {
    00063   register StkFloat temp;
    00064
    00065   temp = vibrato_.tick() * modDepth_ * 0.2;
    00066   waves_[0]->setFrequency(baseFrequency_ * (1.0 + temp) * ratios_[0]);
    00067   waves_[1]->setFrequency(baseFrequency_ * (1.0 + temp) * ratios_[1]);
    00068   waves_[2]->setFrequency(baseFrequency_ * (1.0 + temp) * ratios_[2]);
    00069   waves_[3]->setFrequency(baseFrequency_ * (1.0 + temp) * ratios_[3]);
    00070
    00071   waves_[3]->addPhaseOffset( twozero_.lastOut() );
    00072   temp = gains_[3] * adsr_[3]->tick() * waves_[3]->tick();
    00073
    00074   twozero_.tick(temp);
    00075   waves_[2]->addPhaseOffset( temp );
    00076   temp = (1.0 - (control2_ * 0.5)) * gains_[2] * adsr_[2]->tick() * waves_[2]->tick();
    00077
    00078   temp += control2_ * 0.5 * gains_[1] * adsr_[1]->tick() * waves_[1]->tick();
    00079   temp = temp * control1_;
    00080
    00081   waves_[0]->addPhaseOffset(temp);
    00082   temp = gains_[0] * adsr_[0]->tick() * waves_[0]->tick();
    00083
    00084   lastFrame_[0] = temp * 0.5;
    00085   return lastFrame_[0];
    00086 }
    00087
    00088 } // stk namespace
    00089
    00090 #endif

The Synthesis ToolKit in C++ (STK)
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