@Override
protected void uGenerate(float[] channels) {
float sampleStep = value.getLastValue();
// for 0 or negative rate values, we just stop generating audio
// effectively pausing generation of the patched ugen.
if (sampleStep <= 0.f) {
for (int i = 0; i < channels.length; ++i) {
channels[i] = 0.f;
}
return;
}
if (bInterpolate) {
for (int i = 0; i < channels.length; ++i) {
float sampleDiff = nextSample[i] - currentSample[i];
channels[i] = currentSample[i] + sampleDiff * sampleCount;
}
} else {
System.arraycopy(currentSample, 0, channels, 0, channels.length);
}
if (audio != null) {
sampleCount += sampleStep;
while (sampleCount >= 1.f) {
System.arraycopy(nextSample, 0, currentSample, 0, nextSample.length);
audio.tick(nextSample);
sampleCount -= 1.f;
}
}
}
@Override
public void setAudioChannelCount(int numberOfChannels) {
if (currentSample.length != numberOfChannels) {
super.setAudioChannelCount(numberOfChannels);
currentSample = new float[numberOfChannels];
nextSample = new float[numberOfChannels];
if (audio != null) {
audio.setAudioChannelCount(numberOfChannels);
audio.tick(currentSample);
audio.tick(nextSample);
sampleCount = 0;
}
}
}
@Override
protected void sampleRateChanged() {
if (audio != null) {
audio.setSampleRate(sampleRate());
}
}
@Override
protected void addInput(UGen in) {
audio = in;
audio.setAudioChannelCount(currentSample.length);
}