viktorljung
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
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* Copyright (c) 2011 Erin Catto http://box2d.org
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* Copyright (c) 2014 Google, Inc.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef B2_TIMER_H
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#define B2_TIMER_H
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#include <Box2D/Common/b2Settings.h>
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/// Timer for profiling. This has platform specific code and may
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/// not work on every platform.
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class b2Timer
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{
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public:
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/// Constructor
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b2Timer();
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/// Reset the timer.
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void Reset();
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/// Get the time since construction or the last reset.
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float32 GetMilliseconds() const;
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private:
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/// Get platform specific tick count
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static int64 GetTicks();
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#if defined(_WIN32)
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static float64 s_invFrequency;
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#endif
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int64 m_start;
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};
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#endif
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