/*******************************************************************************
* Port of Robert Penner's easing equations for Nebula animation package.
* Copyright (c) 2008-2009 Nicolas Richeton.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
*******************************************************************************/
/*********************************************************************************
* TERMS OF USE - EASING EQUATIONS
*
* Copyright � 2001 Robert Penner
* 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 University of California, Berkeley 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 REGENTS 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 REGENTS AND 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
********************************************************************************/
package org.eclipse.nebula.cwt.animation.movement;
public class BounceOut extends AbstractMovement {
public double getValue(double step) {
double c = max - min;
step = step / duration;
if (step == 1)
return max;
if (step < (1 / 2.75)) {
return c * (7.5625 * step * step) + min;
} else if (step < (2 / 2.75)) {
return c * (7.5625 * (step -= (1.5 / 2.75)) * step + .75) + min;
} else if (step < (2.5 / 2.75)) {
return c * (7.5625 * (step -= (2.25 / 2.75)) * step + .9375) + min;
} else {
return c * (7.5625 * (step -= (2.625 / 2.75)) * step + .984375)
+ min;
}
}
}