34 lines
694 B
C++
34 lines
694 B
C++
#include "stdafx.h"
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#include "Timer.h"
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#include <thread>
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#include <chrono>
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using namespace std::chrono;
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Timer::Timer()
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{
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Reset();
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}
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void Timer::Reset()
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{
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_start = high_resolution_clock::now();
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}
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double Timer::GetElapsedMS()
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{
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high_resolution_clock::time_point end = high_resolution_clock::now();
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duration<double> span = duration_cast<duration<double>>(end - _start);
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return span.count() * 1000.0;
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}
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void Timer::WaitUntil(double targetMillisecond)
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{
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if(targetMillisecond > 0) {
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double elapsedTime = GetElapsedMS();
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if(targetMillisecond - elapsedTime > 1) {
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std::this_thread::sleep_for(std::chrono::duration<int, std::milli>((int)(targetMillisecond - elapsedTime)));
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}
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}
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}
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