package it.sephiroth.android.library.imagezoom.easing; public class Cubic implements Easing { @Override public double easeOut( double time, double start, double end, double duration ) { return end * ( ( time = time / duration - 1.0 ) * time * time + 1.0 ) + start; } @Override public double easeIn( double time, double start, double end, double duration ) { return end * ( time /= duration ) * time * time + start; } @Override public double easeInOut( double time, double start, double end, double duration ) { if ( ( time /= duration / 2.0 ) < 1.0 ) return end / 2.0 * time * time * time + start; return end / 2.0 * ( ( time -= 2.0 ) * time * time + 2.0 ) + start; } }