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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;
}
}
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