turanszkij
44 lines
715 B
C++
44 lines
715 B
C++
#include "wiTimer.h"
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#include "wiHelper.h"
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double wiTimer::PCFreq = 0;
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__int64 wiTimer::CounterStart = 0;
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wiTimer::wiTimer()
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{
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if(CounterStart==0)
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Start();
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record();
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}
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wiTimer::~wiTimer()
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{
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}
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void wiTimer::Start()
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{
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LARGE_INTEGER li;
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if(!QueryPerformanceFrequency(&li))
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wiHelper::messageBox("QueryPerformanceFrequency failed!\n");
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PCFreq = double(li.QuadPart)/1000.0;
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QueryPerformanceCounter(&li);
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CounterStart = li.QuadPart;
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}
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double wiTimer::TotalTime()
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{
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LARGE_INTEGER li;
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QueryPerformanceCounter(&li);
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return double(li.QuadPart-CounterStart)/PCFreq;
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}
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void wiTimer::record()
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{
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lastTime = TotalTime();
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}
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double wiTimer::elapsed()
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{
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return TotalTime() - lastTime;
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} |