following constants can be used anywhere in your code in place of the actual values:
| Name | Value | Description |
|---|---|---|
| RF_COLOR_PER_SHELL | 1 | Indicating that shell has the material information. |
| RF_COLOR_PER_VERTEX | 2 | Indicating that each vertex has a color. |
| RF_COLOR_PER_TRIANGLE | 3 | Indicating that each face has a color. |
| RF_UV_PER_VERTEX | 4 | Indicating that each vertex has a texture mapping UV coordinates. |
| RF_UV_PER_TRIANGLE | 5 | Indicating that each face has a texture mapping UV coordinates. |