Stopwatch.h

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#ifndef STOPWATCH_H
#define STOPWATCH_H
 
#include <chrono>
 
 
namespace logic {
 
    class Stopwatch {
    public:
        Stopwatch(Stopwatch &other) = delete;
        void operator=(const Stopwatch &) = delete;

        [[nodiscard]] static Stopwatch& getInstance();
 

        [[nodiscard]] double getDeltaTime() const;

        void tick();

        void reset();
 
    private:
        Stopwatch();
 
        std::chrono::time_point<std::chrono::high_resolution_clock> lastTime;
        double deltaTime = 0.0;
    };
}
 
 
#endif //STOPWATCH_H