www.pudn.com > RCApp-src.zip > FPSCounter.h

/* 
	RedEye Project (http://members.ozemail.com.au/~ndmcevoy/) 
	Copyright (C) 2003  Nick McEvoy 
 
	This library is free software; you can redistribute it and/or 
	modify it under the terms of the GNU Library General Public 
	License as published by the Free Software Foundation; either 
	version 2 of the License, or (at your option) any later version. 
 
	This library is distributed in the hope that it will be useful, 
	but WITHOUT ANY WARRANTY; without even the implied warranty of 
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
	Library General Public License for more details. 
 
	You should have received a copy of the GNU Library General Public 
	License along with this library; if not, write to the Free 
	Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 
	----------------------------------------------------------------- 
 
		Commented for use with Doxygen (http://www.doxygen.org) 
 
	----------------------------------------------------------------- 
*/ 
 
/*! \file FPSCounter.h 
 *	\brief Frames per second counter. 
 * 
 *		This file contains the game frames per second counter. 
 */ 
 
#ifndef _RE_FPS_COUNTER_H_ 
#define _RE_FPS_COUNTER_H_ 
 
class reFPSCounter 
{ 
public: 
	//! Get instance 
	static reFPSCounter* GetInstance(); 
 
	//! Call on glutDisplayFunc to calculate FPS 
	void Display(); 
 
	//! Get the FPS 
	float GetFPS() {return mfFPS;}; 
 
	//! Destructor 
	~reFPSCounter(); 
 
protected: 
	//! Constructor is protected as this class is a singleton 
	reFPSCounter(); 
 
private: 
	float mfFPS; 
	int miFrameNo; 
	int miLastFrameNo; 
	int miLastTimeMs; 
 
	//! The one and only instance 
	static reFPSCounter* mpInstance; 
}; 
 
//! Get the one and only instance 
inline reFPSCounter* reGetFPSCounter() {return reFPSCounter::GetInstance();}; 
 
#endif // _RE_FPS_COUNTER_H_