jump on on on on on on on peek peek progress seek step tween tween tween_value_t

on() [1/7] template<typename FirstValueType, typename... RemainingValueTypes> template<typename Callback> auto on ( detail::event::complete_t , Callback && cb ) -> void Registers a callback for animation completion. The callback is invoked when the tween reaches the last frame (progress >= 1.0). Triggered by step(), seek(), or jump() when they result in completion. Parameters cb Callback with signature: event::response(tween&) auto t = tweeny::from(0).to(100).during(100U).build(); t.on(event::complete, [](auto& tween) { printf("Animation complete!\n"); return event::response::ok; }); t.seek(100U); // Triggers complete event