Cubemap face.
Used by Cubemap.GetPixel and Cubemap.SetPixel.
| PositiveX |
Right facing side (+x) |
| NegativeX |
Left facing side (-x) |
| PositiveY |
Upwards facing side (+y) |
| NegativeY |
downward facing side (-y) |
| PositiveZ |
Forward facing side (+z) |
| NegativeZ |
Backward facing side (-z) |