SHE::cTimer::cTimer()
{
    QueryPerformanceFrequency(&m_LInt);
    m_FPS=0;
    m_TempDelta=GetTime();
    m_DeltaTime=0;
    m_FrameCount=0;
    m_CurrentTime=0;
    m_PreviousTime=0;
}
void SHE::cTimer::Update()
{
    m_FrameCount++;
    m_CurrentTime = GetTime();
    m_DeltaTime=GetTime()-m_TempDelta;
    m_TempDelta=GetTime();
    if((m_CurrentTime-m_PreviousTime) > 1.0 || m_FrameCount == 0)
    {
        m_FPS=(double)m_FrameCount/(m_CurrentTime-m_PreviousTime);
        //m_DeltaTime=m_CurrentTime-m_PreviousTime;
        m_PreviousTime=m_CurrentTime;
        m_FrameCount = 0;
    }
}
GLfloat SHE::cTimer::GetFPS()
{
    return m_FPS;
}
GLfloat SHE::cTimer::GetDeltaTime()
{
    return m_DeltaTime;
}
GLfloat SHE::cTimer::GetTime()
{
    LARGE_INTEGER TempNowTime;
    QueryPerformanceCounter(&TempNowTime);
    return (GLfloat)(TempNowTime.QuadPart/(double)m_LInt.QuadPart);
}
class cTimer
    {
    private:
        GLfloat m_DeltaTime;
        GLfloat m_TempDelta;
        GLfloat m_FPS;
        GLfloat m_FrameCount;
        GLfloat m_CurrentTime;
        GLfloat m_PreviousTime;
        LARGE_INTEGER m_LInt;
        GLfloat GetTime();
    public:
        cTimer();
        void Update();
        GLfloat GetDeltaTime();
        GLfloat GetFPS();
    };