reactphysics3d/testbed/src/Timer.cpp
2016-04-11 20:15:20 +02:00

65 lines
2.6 KiB
C++

/********************************************************************************
* ReactPhysics3D physics library, http://www.reactphysics3d.com *
* Copyright (c) 2010-2016 Daniel Chappuis *
*********************************************************************************
* *
* This software is provided 'as-is', without any express or implied warranty. *
* In no event will the authors be held liable for any damages arising from the *
* use of this software. *
* *
* Permission is granted to anyone to use this software for any purpose, *
* including commercial applications, and to alter it and redistribute it *
* freely, subject to the following restrictions: *
* *
* 1. The origin of this software must not be misrepresented; you must not claim *
* that you wrote the original software. If you use this software in a *
* product, an acknowledgment in the product documentation would be *
* appreciated but is not required. *
* *
* 2. Altered source versions must be plainly marked as such, and must not be *
* misrepresented as being the original software. *
* *
* 3. This notice may not be removed or altered from any source distribution. *
* *
********************************************************************************/
// Libraries
#include "Timer.h"
// Constructor
Timer::Timer() : mIsRunning(false) {
}
// Destructor
Timer::~Timer() {
}
// Return the current time of the system in seconds
long double Timer::getCurrentSystemTime() {
#if defined(WINDOWS_OS)
LARGE_INTEGER ticksPerSecond;
LARGE_INTEGER ticks;
QueryPerformanceFrequency(&ticksPerSecond);
QueryPerformanceCounter(&ticks);
return (long double(ticks.QuadPart) / long double(ticksPerSecond.QuadPart));
#else
// Initialize the lastUpdateTime with the current time in seconds
timeval timeValue;
gettimeofday(&timeValue, NULL);
return (timeValue.tv_sec + (timeValue.tv_usec / 1000000.0));
#endif
}