Box2D  2.2.1
A 2D Physics Engine for Games
b2Timer.h
00001 /*
00002 * Copyright (c) 2011 Erin Catto http://box2d.org
00003 *
00004 * This software is provided 'as-is', without any express or implied
00005 * warranty.  In no event will the authors be held liable for any damages
00006 * arising from the use of this software.
00007 * Permission is granted to anyone to use this software for any purpose,
00008 * including commercial applications, and to alter it and redistribute it
00009 * freely, subject to the following restrictions:
00010 * 1. The origin of this software must not be misrepresented; you must not
00011 * claim that you wrote the original software. If you use this software
00012 * in a product, an acknowledgment in the product documentation would be
00013 * appreciated but is not required.
00014 * 2. Altered source versions must be plainly marked as such, and must not be
00015 * misrepresented as being the original software.
00016 * 3. This notice may not be removed or altered from any source distribution.
00017 */
00018 
00019 #include <Box2D/Common/b2Settings.h>
00020 
00023 class b2Timer
00024 {
00025 public:
00026 
00028         b2Timer();
00029 
00031         void Reset();
00032 
00034         float32 GetMilliseconds() const;
00035 
00036 private:
00037 
00038 #if defined(_WIN32)
00039         float64 m_start;
00040         static float64 s_invFrequency;
00041 #elif defined(__linux__) || defined (__APPLE__)
00042         unsigned long m_start_sec;
00043         unsigned long m_start_msec;
00044 #endif
00045 };
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