public CTween(CEquation pEquation, EEasing eEasing, float fDuration, ref float fpValue, float fTarget)
 {
     m_fElapsedSec  = 0.0f;
     m_fDurationSec = fDuration;
     m_pEquation    = pEquation;
     m_eEasing      = eEasing;
     m_pUserData    = null;
     addValue(ref fpValue, fTarget);
 }
 public void setEquation(CEquation pEquation, EEasing eEasing, float fDuration)
 {
     m_pEquation    = pEquation;
     m_eEasing      = eEasing;
     m_fDurationSec = fDuration;
 }