mBottomClippingPlane( DEFAULT_BOTTOM_CLIPPING_PLANE ),
mNearClippingPlane( DEFAULT_NEAR_CLIPPING_PLANE ),
mFarClippingPlane( DEFAULT_FAR_CLIPPING_PLANE ),
mBottomClippingPlane( DEFAULT_BOTTOM_CLIPPING_PLANE ),
mNearClippingPlane( DEFAULT_NEAR_CLIPPING_PLANE ),
mFarClippingPlane( DEFAULT_FAR_CLIPPING_PLANE ),