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). |