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

on() [7/7] template<typename FirstValueType, typename... RemainingValueTypes> template<typename Callback> auto on ( detail::event::update_t , Callback && cb ) -> void Registers a callback for any position update (step, seek, or jump). The callback is invoked after step(), seek(), or jump() calls. This is a convenience event for monitoring all position changes from a single callback. Parameters cb Callback with signature: event::response(tween&) auto t = tweeny::from(0).to(100).during(60U).build(); t.on(event::update, [](auto& tween) { printf("Tween updated to: %d\n", tween.peek()); return event::response::ok; }); t.step(10); // Triggers update t.seek(50U); // Triggers update