utils_periodic_timer.hpp

#ifndef LXGUI_UTILS_PERIODIC_TIMER_HPP
#define LXGUI_UTILS_PERIODIC_TIMER_HPP
 
#include "lxgui/lxgui.hpp"
 
namespace lxgui::utils {
 
class periodic_timer {
public:
    enum class start_type {
        paused,
        now,
        first_tick
    };
 
    periodic_timer(double duration, start_type type, bool ticks_now);
 
    double get_elapsed() const;
 
    double get_period() const;
 
    bool is_paused() const;
 
    bool ticks();
 
    void stop();
 
    void start();
 
    void pause();
 
    void zero();
 
    void update(double delta);
 
private:
    double elapsed_    = 0.0;
    double duration_   = 0.0;
    bool   paused_     = true;
    bool   first_tick_ = true;
 
    start_type type_ = start_type::paused;
};
 
} // namespace lxgui::utils
 
#endif