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318dd77b
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2019 Leszek Koltunski //
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// //
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71c8884f
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Leszek Koltunski
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// This file is part of Distorted. //
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318dd77b
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Leszek Koltunski
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// //
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71c8884f
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Leszek Koltunski
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// Distorted is free software: you can redistribute it and/or modify //
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318dd77b
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Leszek Koltunski
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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71c8884f
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Leszek Koltunski
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// Distorted is distributed in the hope that it will be useful, //
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318dd77b
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Leszek Koltunski
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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71c8884f
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Leszek Koltunski
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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318dd77b
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.wind;
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import java.util.Random;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class WindGust
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{
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private static final long TIME_PERIOD = 1000;
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private int mAvgWind;
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private boolean mBlowingNow;
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private long mLastTime;
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private static Random mRnd = new Random();
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WindGust()
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{
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mAvgWind = 0;
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mBlowingNow = false;
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mLastTime = 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setAverageWind(int wind)
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{
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mAvgWind = wind;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean isWindBlowingNow(long currTime)
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{
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if( mLastTime>0 )
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{
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int lastPeriod = (int)(mLastTime/TIME_PERIOD);
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int currPeriod = (int)( currTime/TIME_PERIOD);
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if( currPeriod>lastPeriod ) mBlowingNow=(mRnd.nextInt(100)<=mAvgWind);
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}
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mLastTime = currTime;
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return mBlowingNow;
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}
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}
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