Initial commit of code.

1 files changed, 89 insertions, 0 deletions

diff --git a/src/com/jsyn/unitgen/Grain.java b/src/com/jsyn/unitgen/Grain.java
new file mode 100644
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+++ 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;
+    }
+}