double fRate = (double)(GetTickCount() - m_dwShineStartTime) / (double)(350);
if (m_bFadeType)
{
//漸隱
if (fRate < 1)
{
fRate = 1.0 - fRate;
}
else
{
m_bFadeType = FALSE;
fRate = 0;
m_dwShineStartTime = GetTickCount();
}
}
else
{
//漸顯
if (fRate > 1)
{
m_bFadeType = TRUE;
fRate = 1;
m_dwShineStartTime = GetTickCount();
}
fRate = pow(fRate, 2);
}
}
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