package org.andengine.util.modifier.ease;
/**
* (c) 2010 Nicolas Gramlich
* (c) 2011 Zynga Inc.
*
* @author Gil
* @author Nicolas Gramlich
* @since 16:52:11 - 26.07.2010
*/
public class EaseBackOut implements IEaseFunction {
// ===========================================================
// Constants
// ===========================================================
// ===========================================================
// Fields
// ===========================================================
private static EaseBackOut INSTANCE;
// ===========================================================
// Constructors
// ===========================================================
private EaseBackOut() {
}
public static EaseBackOut getInstance() {
if(INSTANCE == null) {
INSTANCE = new EaseBackOut();
}
return INSTANCE;
}
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public float getPercentage(final float pSecondsElapsed, final float pDuration) {
return EaseBackOut.getValue(pSecondsElapsed / pDuration);
}
// ===========================================================
// Methods
// ===========================================================
public static float getValue(final float pPercentage) {
final float t = pPercentage - 1;
return 1 + t * t * ((1.70158f + 1) * t + 1.70158f);
}
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}