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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;
/**
* This envelope should start at 0.0, go up to 1.0 and then return to 0.0 in duration time.
*
* @author Phil Burk (C) 2011 Mobileer Inc
*/
public interface GrainEnvelope {
double getFrameRate();
void setFrameRate(double frameRate);
/**
* @return next amplitude value of envelope
*/
double next();
/**
* Are there any more values to be generated in the envelope?
*
* @return true if more
*/
boolean hasMoreValues();
/**
* Prepare to start a new envelope.
*/
void reset();
/**
* @param duration in seconds.
*/
void setDuration(double duration);
}
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