qreal value(qreal t)
{
qreal o = (_o < 0) ? 1.70158f : _o;
switch(_t) {
case In:
return easeInBack(t, o);
case Out:
return easeOutBack(t, o);
case InOut:
return easeInOutBack(t, o);
case OutIn:
return easeOutInBack(t, o);
default:
return t;
}
}
double valueForProgress ( double a_fProgress ) const
{
double fOvershoot = (m_fOvershoot < 0) ? 1.70158 : m_fOvershoot;
switch ( m_eType )
{
case In:
return easeInBack(a_fProgress, fOvershoot);
case Out:
return easeOutBack(a_fProgress, fOvershoot);
case InOut:
return easeInOutBack(a_fProgress, fOvershoot);
case OutIn:
return easeOutInBack(a_fProgress, fOvershoot);
default:
return a_fProgress;
}
}
static qreal easeOutInBack(qreal t)
{
const qreal s = 1.70158;
return easeOutInBack(t, s);
}
