int VFixStepSceneUpdateController::GetUpdateTickCount()
{
uint64 iTimeNow = VGLGetTimer();
const uint64 iTicksPerSec = VGLGetTimerResolution() / m_iTicksPerSecond;
if (m_iLastUpdateTickCount==0)
m_iLastUpdateTickCount = iTimeNow;
VASSERT(m_iLastUpdateTickCount<=iTimeNow);
int iCount = (int)((iTimeNow-m_iLastUpdateTickCount) / iTicksPerSec);
m_iLastUpdateTickCount += iTicksPerSec*iCount;
if (m_iMaxTickCount>0 && iCount>m_iMaxTickCount)
return m_iMaxTickCount;
return iCount;
}
/// \brief
/// Returns the elapsed time since the last call to GetDiff().
inline float GetDiff()
{
float fDiff = float(VGLGetTimer() - m_uiLastTime) / float(VGLGetTimerResolution());
m_uiLastTime = VGLGetTimer();
return fDiff;
}
/// \brief
/// Returns the elapsed time since creation of the timer instance or the last call to reset.
inline float GetTime() const
{
return float(VGLGetTimer() - m_uiStartTime) / float(VGLGetTimerResolution());
}
