package com.external.imagezoom.easing; public class Quint implements Easing { @Override public double easeOut( double t, double b, double c, double d ) { return c * ( ( t = t / d - 1 ) * t * t * t * t + 1 ) + b; } @Override public double easeIn( double t, double b, double c, double d ) { return c * ( t /= d ) * t * t * t * t + b; } @Override public double easeInOut( double t, double b, double c, double d ) { if ( ( t /= d / 2 ) < 1 ) return c / 2 * t * t * t * t * t + b; return c / 2 * ( ( t -= 2 ) * t * t * t * t + 2 ) + b; } }