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/*
* Copyright 2011 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.unitgen;
/**
* A single Grain that is normally created and controlled by a GrainFarm.
*
* @author Phil Burk (C) 2011 Mobileer Inc
*/
public class Grain implements GrainEnvelope {
private double frameRate;
private double amplitude = 1.0;
private GrainSource source;
private GrainEnvelope envelope;
public Grain(GrainSource source, GrainEnvelope envelope) {
this.source = source;
this.envelope = envelope;
}
@Override
public double next() {
if (envelope.hasMoreValues()) {
double env = envelope.next();
return source.next() * env * amplitude;
} else {
return 0.0;
}
}
@Override
public boolean hasMoreValues() {
return envelope.hasMoreValues();
}
@Override
public void reset() {
source.reset();
envelope.reset();
}
public void setRate(double rate) {
source.setRate(rate);
}
@Override
public void setDuration(double duration) {
envelope.setDuration(duration);
}
@Override
public double getFrameRate() {
return frameRate;
}
@Override
public void setFrameRate(double frameRate) {
this.frameRate = frameRate;
source.setFrameRate(frameRate);
envelope.setFrameRate(frameRate);
}
public double getAmplitude() {
return amplitude;
}
public void setAmplitude(double amplitude) {
this.amplitude = amplitude;
}
public GrainSource getSource() {
return source;
}
}
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