45 lines
799 B
C++
45 lines
799 B
C++
export module time;
|
|
import lsd;
|
|
|
|
namespace lt::time {
|
|
|
|
/** Simple timer class to keep track of the elapsed time. */
|
|
export class Timer
|
|
{
|
|
public:
|
|
using Clock = lsd::chrono::steady_clock;
|
|
|
|
using Duration = lsd::chrono::duration<f64>;
|
|
|
|
using Timepoint = lsd::chrono::time_point<lsd::chrono::steady_clock>;
|
|
|
|
Timer(Timepoint start = Clock::now());
|
|
|
|
void reset(Timepoint start = Clock::now());
|
|
|
|
[[nodiscard]] auto elapsed_time() const -> Duration;
|
|
|
|
private:
|
|
Timepoint m_start;
|
|
};
|
|
|
|
} // namespace lt::time
|
|
|
|
module :private;
|
|
namespace lt::time {
|
|
|
|
Timer::Timer(Timepoint start): m_start(start)
|
|
{
|
|
}
|
|
|
|
void Timer::reset(Timepoint start)
|
|
{
|
|
m_start = start;
|
|
}
|
|
|
|
[[nodiscard]] auto Timer::elapsed_time() const -> Duration
|
|
{
|
|
return { lsd::chrono::steady_clock::now() - m_start };
|
|
}
|
|
|
|
} // namespace lt::time
|