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(); } }