OnActivate()

override void OnActivate	(	DayZPlayerCamera	pPrevCamera,
		DayZPlayerCameraResult	pPrevCameraResult )

См. определение в файле DayZPlayerCameraVehicles.c строка 54

    {
        if (pPrevCamera)
        {
            vector baseAngles     = pPrevCamera.GetBaseAngles();
            m_fUpDownAngle            = baseAngles[0]; 
            m_fLeftRightAngle      = baseAngles[1]; 
 
            vector addAngles      = pPrevCamera.GetAdditiveAngles();
            m_fUpDownAngleAdd      = addAngles[0];
            m_fLeftRightAngleAdd    = addAngles[1];
        }
                
        m_LagOffsetPosition = vector.Zero;
        m_fLagOffsetVelocityX[0] = 0;
        m_fLagOffsetVelocityY[0] = 0;
        m_fLagOffsetVelocityZ[0] = 0;
        
        m_fLagOffsetVelocityYaw[0] = 0;
        m_fLagOffsetVelocityPitch[0] = 0;
        m_fLagOffsetVelocityRoll[0] = 0;
        
        m_LagOffsetOrientation[0] = 0;
        m_LagOffsetOrientation[1] = 0;
        m_LagOffsetOrientation[2] = 0;
        
        if (m_pPlayer)
        {
            vector rotDiffLS = m_pPlayer.GetOrientation() * Math.DEG2RAD;
            m_LagOffsetOrientation[0] = rotDiffLS[0];
            m_LagOffsetOrientation[1] = rotDiffLS[1];
            m_LagOffsetOrientation[2] = rotDiffLS[2];
        }
    }

Перекрестные ссылки DayZPlayerCamera(), Math::DEG2RAD, m_fLagOffsetVelocityPitch, m_fLagOffsetVelocityRoll, m_fLagOffsetVelocityX, m_fLagOffsetVelocityY, m_fLagOffsetVelocityYaw, m_fLagOffsetVelocityZ, m_fLeftRightAngle, m_fLeftRightAngleAdd, m_fUpDownAngle, m_fUpDownAngleAdd, m_LagOffsetOrientation, m_LagOffsetPosition, m_pPlayer и vector::Zero.