//
void CalTInYear()
{
float day = m_dayTime.CurrentDayInYear();
float x = (day - 2 * m_dayTime.monthInDay()) / m_dayTime.TotalDaysInYear();
float z = (x) * 6.28f - 1.68f;
m_TAverage = (Mathf.Sin(z) + 1) / 2 * m_TR + (m_TA - m_TR / 2);
m_TRange = m_TR;
}
