www.pudn.com > 3dterrain.zip > Util.h

// Util.h: interface for the Util class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_UTIL_H__B9758181_7CAA_11D8_8A6F_E38D8D1F4F11__INCLUDED_) 
#define AFX_UTIL_H__B9758181_7CAA_11D8_8A6F_E38D8D1F4F11__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include "init.h" 
 
class uFPS_counter 
{ 
public: 
	float time; 
	float frames; 
	float avg_fps; 
	float GetAvgFps(float timeframe, float reflesh_time) 
	{ 
		if(timeframe>0.04f)  // fps < 25 
		{ 
			time = 0; 
			frames = 0; 
			avg_fps = 1.f/timeframe; 
		} 
		else 
		{ 
			time += timeframe; 
			frames++; 
			if(time>reflesh_time) 
			{ 
				avg_fps = frames/time; 
				time = 0; 
				frames = 0; 
			} 
		} 
		return avg_fps; 
	} 
	uFPS_counter() 
	{ 
		time = 0; 
		frames = 0; 
		avg_fps = 0; 
	} 
}; 
 
#endif // !defined(AFX_UTIL_H__B9758181_7CAA_11D8_8A6F_E38D8D1F4F11__INCLUDED_)