NIF对象 | 复合类型 | 枚举类型 | 基本类型 | 文件版本
| Number | 名称 | 说明 |
|---|---|---|
| 0 | ALWAYS_FACE_CAMERA | The billboard will always face the camera. |
| 1 | ROTATE_ABOUT_UP | The billboard will only rotate around the up axis. |
| 2 | RIGID_FACE_CAMERA | Rigid Face Camera. |
| 3 | ALWAYS_FACE_CENTER | Always Face Center. |
| 4 | RIGID_FACE_CENTER | Rigid Face Center. |
| 9 | ROTATE_ABOUT_UP2 | The billboard will only rotate around the up axis (same as ROTATE_ABOUT_UP?). |