CubeMapFace
Defines the faces of a cubemap.
NegativeX = 1
Negative x-face of the cubemap.
NegativeY = 3
Negative y-face of the cubemap.
NegativeZ = 5
Negative z-face of the cubemap.
PositiveX = 0
Positive x-face of the cubemap.
PositiveY = 2
Positive y-face of the cubemap.
PositiveZ = 4
Positive z-face of the cubemap.