Portal::GetPortalType

Returns the portal type.

PortalType GetPortalType(void) const;

The GetPortalType function returns the specific portal type, which can be one of the following constants.

kPortalDirect	Ordinary portal that leads from one zone to another through a polygonal boundary.
kPortalIndirect	Portal having an indirect transform. This is used for rendering into the reflection and refraction buffers for things like mirrors and portals through which remote areas of the world can be seen.
kPortalCamera	Special portal used internally for camera widgets in panel effects.
kPortalOcclusion	Occluder, or antiportal, that blocks objects behind it from the perspective of the camera.