Method CalculateFPS

SampleFramework12/v1.00/App.cpp:86–97

}

void App::CalculateFPS()
{
    timeDeltaBuffer[currentTimeDeltaSample] = appTimer.DeltaSecondsF();
    currentTimeDeltaSample = (currentTimeDeltaSample + 1) % NumTimeDeltaSamples;

    float averageDelta = 0;
    for(UINT i = 0; i < NumTimeDeltaSamples; ++i)
        averageDelta += timeDeltaBuffer[i];
    averageDelta /= NumTimeDeltaSamples;

    fps = static_cast<UINT>(std::floor((1.0f / averageDelta) + 0.5f));
}

void App::OnWindowResized(void* context, HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{