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Clock.h
Package: OpenGL动画演示(包含代码).rar　[view]
Upload User: sz83729876
Upload Date: 2013-03-07
Package Size: 4140k
Code Size: 1k
Category:

OpenGL program

Development Platform:

Windows_Unix

Clock.h：Code Content
  1. #ifndef _TIMER_H_
  2. #define _TIMER_H_
  4. #include <stdio.h>
  5. #include "Base.h"
  7. enum TIMER_TYPE { TIMER_APPSTART, TIMER_SINCEAPPSTART, 
  8.                   TIMER_SINCELASTFRAME, TIMER_ACTUAL };
  10. class Timer
  11. {
  12.     private:
  14.         static LARGE_INTEGER   m_llPerformanceFreq;
  15.         static LARGE_INTEGER   m_llBeginTime;
  16.         static LARGE_INTEGER   m_llLastTime;
  17.         static LARGE_INTEGER   m_llCurTime;
  19.         static float           m_fTimeScale;
  21.         static float           m_fBeginTime;
  22.         static float           m_fCurrentTime;
  23.         static float           m_fSecSinceLastFrame;
  25.         static float           m_fCounter;
  26.         static float           m_fFPS, m_fTempFPS;
  27.         static long            m_dwFrameCount;
  29.     public:
  31.         static float GetFPS();
  32.         static float GetTimer( TIMER_TYPE enumType );
  33.         static bool OncePerFrameQuery( HWND hWnd );
  35.         static bool Initialize();
  37. };
  39. #endif