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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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