Spline Interpolator Test
import org.jdesktop.animation.timing.Animator;
import org.jdesktop.animation.timing.TimingTargetAdapter;
import org.jdesktop.animation.timing.interpolation.SplineInterpolator;
/*
* SplineInterpolatorTest.java
*
* Created on May 3, 2007, 8:24 AM
*
* Copyright (c) 2007, Sun Microsystems, Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the TimingFramework project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
*
* @author Chet
*/
public class SplineInterpolatorTest extends TimingTargetAdapter {
private long startTime;
private final static int DURATION = 5000;
public void begin() {
startTime = System.nanoTime() / 1000000;
System.out.println("Real\tInterpolated");
System.out.println("----\t------------");
}
/**
* TimingTarget implementation: Calculate the real fraction elapsed and
* output that along with the fraction parameter, which has been
* non-linearly interpolated.
*/
public void timingEvent(float fraction) {
long currentTime = System.nanoTime() / 1000000;
long elapsedTime = currentTime - startTime;
float realFraction = (float)elapsedTime / DURATION;
System.out.println(realFraction + "\t" + fraction);
}
public static void main(String args[]) {
Animator animator =
new Animator(DURATION, new SplineInterpolatorTest());
SplineInterpolator interpolator = new SplineInterpolator(1f, 0f, 0f, 1f);
animator.setInterpolator(interpolator);
// Note that you could get similar behavior by setting the following
// acceleration/deceleration properties instead of the interpolator
// above:
//animator.setAcceleration(.5f);
//animator.setDeceleration(.5f);
animator.setStartDelay(1000);
animator.setResolution(DURATION / 10);
animator.start();
}
}
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