long CConvert::GetEncodeFramerate(void)
{
// simplistic fps formula. A more accurate one will
// be built into the encoder soon
if (m_pGraph == NULL)
{
// if the mpegstats is gone, then we return the average fps
return (long)((double)GetFramesEncoded() / (double)GetTimeElapsed());
}
else
{
long n = GetFramesEncoded();
long fps = n - m_nLastEncodedFrameCount;
m_nLastEncodedFrameCount = n;
return fps;
}
}
//------------------------------------------------------------------------------
void
CEnvMapWaterEffect::OnFrameUpdate()
{
CWaterEffect::OnFrameUpdate();
float deltaTime = GetTimeElapsed() * 0.001f;
// update texture coordinate offsets
m_WaveOffset.x += m_WaveSpeed[0].x * deltaTime;
m_WaveOffset.y += m_WaveSpeed[0].y * deltaTime;
m_WaveOffset.z += m_WaveSpeed[1].x * deltaTime;
m_WaveOffset.w += m_WaveSpeed[1].y * deltaTime;
// repeate in range [0,1] or [-1,0]
if (m_WaveOffset.x >= 1.0f || m_WaveOffset.x <= -1.0f)
m_WaveOffset.x = 0.0f;
if (m_WaveOffset.y >= 1.0f || m_WaveOffset.y <= -1.0f)
m_WaveOffset.y = 0.0f;
if (m_WaveOffset.z >= 1.0f || m_WaveOffset.z <= -1.0f)
m_WaveOffset.z = 0.0f;
if (m_WaveOffset.w >= 1.0f || m_WaveOffset.w <= -1.0f)
m_WaveOffset.w = 0.0f;
}