public double tick(double input) {
lastOutput_ = delayLine_.tick(input + loopFilter_.tick(delayLine_.lastOut()));
lastOutput_ -= combDelay_.tick(lastOutput_); // comb filtering on output
lastOutput_ *= 0.5;
return lastOutput_;
}
public void setFrequency(double frequency) {
frequency_ = frequency;
// Delay = length - filter delay.
double delay = (StaticVariables.SampleRate / frequency) - loopFilter_.phaseDelay(frequency);
delayLine_.setDelay(delay);
this.setLoopGain(loopGain_);
// Set the pluck position, which puts zeroes at position * length.
combDelay_.setDelay(0.5 * pluckPosition_ * delay);
}
public void setLowestFrequency(double frequency) {
long nDelays = (long) (StaticVariables.SampleRate / frequency);
delayLine_.setMaximumDelay(nDelays + 1);
combDelay_.setMaximumDelay(nDelays + 1);
}
