33 Modal(
unsigned int modes = 4 );
57 virtual void strike( StkFloat amplitude );
60 void damp( StkFloat amplitude );
63 void noteOn( StkFloat frequency, StkFloat amplitude );
72 StkFloat
tick(
unsigned int channel = 0 );
93 std::vector<StkFloat> ratios_;
94 std::vector<StkFloat> radii_;
96 StkFloat vibratoGain_;
99 StkFloat stickHardness_;
100 StkFloat strikePosition_;
101 StkFloat baseFrequency_;
104inline StkFloat Modal :: tick(
unsigned int )
106 StkFloat temp = masterGain_ * onepole_.
tick( wave_->tick() * envelope_.tick() );
108 StkFloat temp2 = 0.0;
109 for (
unsigned int i=0; i<nModes_; i++ )
110 temp2 += filters_[i]->tick(temp);
112 temp2 -= temp2 * directGain_;
113 temp2 += directGain_ * temp;
115 if ( vibratoGain_ != 0.0 ) {
117 temp = 1.0 + ( vibrato_.tick() * vibratoGain_ );
118 temp2 = temp * temp2;
121 lastFrame_[0] = temp2;
122 return lastFrame_[0];
127 unsigned int nChannels = lastFrame_.
channels();
128#if defined(_STK_DEBUG_)
129 if ( channel > frames.
channels() - nChannels ) {
130 oStream_ <<
"Modal::tick(): channel and StkFrames arguments are incompatible!";
131 handleError( StkError::FUNCTION_ARGUMENT );
135 StkFloat *samples = &frames[channel];
136 unsigned int j, hop = frames.
channels() - nChannels;
137 if ( nChannels == 1 ) {
138 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
142 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
144 for ( j=1; j<nChannels; j++ )
145 *samples++ = lastFrame_[j];
STK biquad (two-pole, two-zero) filter class.
Definition BiQuad.h:26
STK linear line envelope class.
Definition Envelope.h:23
STK audio file input class.
Definition FileWvIn.h:53
STK instrument abstract base class.
Definition Instrmnt.h:20
STK resonance model abstract base class.
Definition Modal.h:27
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:48
void setDirectGain(StkFloat aGain)
Set the direct gain.
Definition Modal.h:51
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:104
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
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:279
unsigned int channels(void) const
Return the number of channels represented by the data.
Definition Stk.h:416
unsigned int frames(void) const
Return the number of sample frames represented by the data.
Definition Stk.h:419
The STK namespace.
Definition ADSR.h:6