backward direction duration during forward from jump onSeek onSeek onSeek onStep onStep onStep peek peek peek point progress seek seek seek step step step to tween via via

peek() [2/3] const detail::tweentraits<T, Ts...>::valuesType peek ( float  progress ) const Calculates and returns the tween values at a given progress. This returns the tween value at the requested progress, without stepping or seeking. Returns std::tuple<Ts...> with the current tween values.