Raytrace structure types.
| Macros | |
| #define | RAY_PARAMETER | 
| #define | RAY_ENVIRONMENT | 
| #define | RAY_CAMERA | 
| #define | RAY_SKY | 
| #define | RAY_FOREGROUND | 
| #define | RAY_BACKGROUND | 
| #define RAY_PARAMETER | 
The raytracer settings.
| #define RAY_ENVIRONMENT | 
The raytracer environment parameters.
| #define RAY_CAMERA | 
The raytracer camera.
| #define RAY_SKY | 
The raytracer sky object.
| #define RAY_FOREGROUND | 
The raytracer foreground object.
| #define RAY_BACKGROUND | 
The raytracer background object.