fps.cpp

使用VC中的Direct Draw 开发的45度斜角地图

#include "FPS.h"

FPS_CLASS::FPS_CLASS()
{
   t1 = 0;
   tx = 0;
   t2 = timeGetTime();
   FPS = 0;
   tFPS = 0;
   Interval = 0.0f;
}

void FPS_CLASS::StartMath(int time)
{
   Ttime = time;
   MathTime = true;
}

DWORD FPS_CLASS::GetFps()
{
   t2 = timeGetTime();
   T2 = t2;

   if ((t2 - t1)/1000 > 1)
   {
       t1 = t2;
       FPS = tFPS;
	   tFPS = 0;
   }else
   {
	   tFPS++;
   }

   ultoa(FPS,fpsString,10);

   return FPS;
}