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-rw-r--r--src/com/jsyn/unitgen/Grain.java89
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diff --git a/src/com/jsyn/unitgen/Grain.java b/src/com/jsyn/unitgen/Grain.java
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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;
+ }
+}