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https://github.com/thestk/stk
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76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/***************************************************/
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/*! \class ReedTable
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\brief STK reed table class.
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This class implements a simple one breakpoint,
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non-linear reed function, as described by
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Smith (1986). This function is based on a
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memoryless non-linear spring model of the reed
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(the reed mass is ignored) which saturates when
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the reed collides with the mouthpiece facing.
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See McIntyre, Schumacher, & Woodhouse (1983),
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Smith (1986), Hirschman, Cook, Scavone, and
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others for more information.
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by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
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*/
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/***************************************************/
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#ifndef STK_REEDTABLE_H
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#define STK_REEDTABLE_H
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#include "Function.h"
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class ReedTable : public Function
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{
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public:
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//! Default constructor.
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ReedTable();
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//! Class destructor.
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~ReedTable();
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//! Set the table offset value.
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/*!
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The table offset roughly corresponds to the size
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of the initial reed tip opening (a greater offset
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represents a smaller opening).
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*/
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void setOffset(StkFloat offset);
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//! Set the table slope value.
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/*!
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The table slope roughly corresponds to the reed
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stiffness (a greater slope represents a harder
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reed).
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*/
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void setSlope(StkFloat slope);
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//! Return the function value for \e input.
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/*!
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The function input represents the differential
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pressure across the reeds.
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*/
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StkFloat tick(StkFloat input);
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//! Take \e vectorSize inputs from \e vector and replace them with corresponding outputs.
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StkFloat *tick( StkFloat *vector, unsigned int vectorSize );
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//! Take a channel of the StkFrames object as inputs to the function and replace with corresponding outputs.
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/*!
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The \c channel argument should be one or greater (the first
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channel is specified by 1). An StkError will be thrown if the \c
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channel argument is zero or it is greater than the number of
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channels in the StkFrames object.
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*/
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StkFrames& tick( StkFrames& frames, unsigned int channel = 1 );
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protected:
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StkFloat offset_;
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StkFloat slope_;
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};
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#endif
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