44 Bowed( StkFloat lowestFrequency = 8.0 );
56 void setVibrato( StkFloat gain ) { vibratoGain_ = gain; };
59 void startBowing( StkFloat amplitude, StkFloat rate );
65 void noteOn( StkFloat frequency, StkFloat amplitude );
68 void noteOff( StkFloat amplitude );
74 StkFloat
tick(
unsigned int channel = 0 );
97 StkFloat maxVelocity_;
99 StkFloat vibratoGain_;
106 StkFloat bowVelocity = maxVelocity_ * adsr_.
tick();
107 StkFloat bridgeReflection = -stringFilter_.
tick( bridgeDelay_.
lastOut() );
108 StkFloat nutReflection = -neckDelay_.
lastOut();
109 StkFloat stringVelocity = bridgeReflection + nutReflection;
110 StkFloat deltaV = bowVelocity - stringVelocity;
112 StkFloat newVelocity = 0.0;
114 newVelocity = deltaV * bowTable_.
tick( deltaV );
115 neckDelay_.
tick( bridgeReflection + newVelocity);
116 bridgeDelay_.
tick(nutReflection + newVelocity);
118 if ( vibratoGain_ > 0.0 ) {
119 neckDelay_.
setDelay( (baseDelay_ * (1.0 - betaRatio_) ) +
120 (baseDelay_ * vibratoGain_ * vibrato_.
tick()) );
123 lastFrame_[0] = 0.1248 * bodyFilters_[5].
tick( bodyFilters_[4].
tick( bodyFilters_[3].
tick( bodyFilters_[2].
tick( bodyFilters_[1].
tick( bodyFilters_[0].
tick( bridgeDelay_.
lastOut() ) ) ) ) ) );
125 return lastFrame_[0];
130 unsigned int nChannels = lastFrame_.
channels();
131 #if defined(_STK_DEBUG_)
132 if ( channel > frames.
channels() - nChannels ) {
133 oStream_ <<
"Bowed::tick(): channel and StkFrames arguments are incompatible!";
138 StkFloat *samples = &frames[channel];
139 unsigned int j, hop = frames.
channels() - nChannels;
140 if ( nChannels == 1 ) {
141 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop )
145 for (
unsigned int i=0; i<frames.
frames(); i++, samples += hop ) {
147 for ( j=1; j<nChannels; j++ )
148 *samples++ = lastFrame_[j];