| Hair highlight mask. Uses the value of the R channel of the sample texture to determine whether the pixel has hair highlights. |
| The UV channel used when sampling the hair highlight mask. The default is uv2 (the 3rd uv channel). |
| Highlight color. |
| The Fresnel mask power of the viewing direction of the hair highlight. The smaller the value, the more the highlight will be restricted into grazing angle |
| Highlight Strength |
| Controls the amount of offset when the highlight is rotated according to the Roll (vertical) direction of the camera. |
| Controls the amount of additional culling from the left and right sides (the x-value of uv) of the highlight from the specified UV channel. |
