7 #include "MemoryLoop.h"
8 #include "MemoryWvIn.h"
35 Modal(
unsigned int modes = 4 );
59 virtual void strike( StkFloat amplitude );
62 void damp( StkFloat amplitude );
65 void noteOn( StkFloat frequency, StkFloat amplitude );
74 StkFloat
tick(
unsigned int channel = 0 );
95 std::vector<StkFloat> ratios_;
96 std::vector<StkFloat> radii_;
98 StkFloat vibratoGain_;
100 StkFloat directGain_;
101 StkFloat stickHardness_;
102 StkFloat strikePosition_;
103 StkFloat baseFrequency_;
108 StkFloat temp = masterGain_ * onepole_.
tick( wave_->
tick() * envelope_.
tick() );
110 StkFloat temp2 = 0.0;
111 for (
unsigned int i=0; i<nModes_; i++ )
112 temp2 += filters_[i]->
tick(temp);
114 temp2 -= temp2 * directGain_;
115 temp2 += directGain_ * temp;
117 if ( vibratoGain_ != 0.0 ) {
119 temp = 1.0 + ( vibrato_.
tick() * vibratoGain_ );
120 temp2 = temp * temp2;
123 lastFrame_[0] = temp2;
124 return lastFrame_[0];
129 unsigned int nChannels = lastFrame_.
channels();
130 #if defined(_STK_DEBUG_)
131 if ( channel > frames.
channels() - nChannels ) {
132 oStream_ <<
"Modal::tick(): channel and StkFrames arguments are incompatible!";
137 StkFloat *samples = &frames[channel];
138 unsigned int j, hop = frames.
channels() - nChannels;
139 if ( nChannels == 1 ) {
140 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
144 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
146 for ( j=1; j<nChannels; j++ )
147 *samples++ = lastFrame_[j];
STK biquad (two-pole, two-zero) filter class.
Definition: BiQuad.h:21
STK linear line envelope class.
Definition: Envelope.h:22
StkFloat tick(void)
Compute and return one output sample.
Definition: Envelope.h:88
STK audio file input class.
Definition: FileWvIn.h:53
virtual StkFloat tick(unsigned int channel=0)
Compute a sample frame and return the specified channel value.
STK instrument abstract base class.
Definition: Instrmnt.h:20
STK resonance model abstract base class.
Definition: Modal.h:29
void setModeGain(unsigned int modeIndex, StkFloat gain)
Set the gain for a specified mode filter.
void damp(StkFloat amplitude)
Damp modes with a given decay factor (0.0 - 1.0).
void noteOff(StkFloat amplitude)
Stop a note with the given amplitude (speed of decay).
void noteOn(StkFloat frequency, StkFloat amplitude)
Start a note with the given frequency and amplitude.
virtual void setFrequency(StkFloat frequency)
Set instrument parameters for a particular frequency.
void setMasterGain(StkFloat aGain)
Set the master gain.
Definition: Modal.h:50
void setDirectGain(StkFloat aGain)
Set the direct gain.
Definition: Modal.h:53
void setRatioAndRadius(unsigned int modeIndex, StkFloat ratio, StkFloat radius)
Set the ratio and radius for a specified mode filter.
virtual ~Modal(void)
Class destructor.
virtual void controlChange(int number, StkFloat value)=0
Perform the control change specified by number and value (0.0 - 128.0).
virtual void strike(StkFloat amplitude)
Initiate a strike with the given amplitude (0.0 - 1.0).
StkFloat tick(unsigned int channel=0)
Compute and return one output sample.
Definition: Modal.h:106
void clear(void)
Reset and clear all internal state.
Modal(unsigned int modes=4)
Class constructor, taking the desired number of modes to create.
STK one-pole filter class.
Definition: OnePole.h:21
StkFloat tick(StkFloat input)
Input one sample to the filter and return one output.
Definition: OnePole.h:80
STK sinusoid oscillator class.
Definition: SineWave.h:26
StkFloat tick(void)
Compute and return one output sample.
Definition: SineWave.h:99
An STK class to handle vectorized audio data.
Definition: Stk.h:287
unsigned int channels(void) const
Return the number of channels represented by the data.
Definition: Stk.h:415
unsigned int frames(void) const
Return the number of sample frames represented by the data.
Definition: Stk.h:418
static void handleError(const char *message, StkError::Type type)
Static function for error reporting and handling using c-strings.
The STK namespace.
Definition: ADSR.h:8