#include "timer.h"

namespace iv
{
    Timer::Timer(const float& hz):
        duration_{std::chrono::duration<float>(1.0 / hz)},
        start_ {},
        elapsed_{}

    {

    }

    void Timer::Start()
    {
        start_ = std::chrono::system_clock::now();
    }

    void Timer::Stop()
    {
        elapsed_ = std::chrono::system_clock::now() - start_;

        if( elapsed_ < duration_)
        {
            std::this_thread::sleep_for(duration_ - elapsed_);
        }

    }
}