proguard.gui.splash.SawToothTiming Maven / Gradle / Ivy
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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2019 Guardsquare NV
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.gui.splash;
/**
* This Timing ramps up linearly from 0 to 1 in a given repeated time interval.
*
* @author Eric Lafortune
*/
public class SawToothTiming implements Timing
{
private final long period;
private final long phase;
/**
* Creates a new SawToothTiming.
* @param period the time period for a full cycle.
* @param phase the phase of the cycle, which is added to the actual time.
*/
public SawToothTiming(long period, long phase)
{
this.period = period;
this.phase = phase;
}
// Implementation for Timing.
public double getTiming(long time)
{
// Compute the translated and scaled saw-tooth function.
return (double)((time + phase) % period) / (double)period;
}
}
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