Ray data structure. More...
#include <ai_ray.h>
Data Fields | |
| uint8_t | type |
Type of ray (AI_RAY_CAMERA, etc) | |
| uint8_t | bounces |
| Number of bounces so far (0 for camera rays) | |
| uint8_t | bounces_diffuse |
| Number of diffuse bounces so far. | |
| uint8_t | bounces_specular |
| Number of specular bounces so far. | |
| uint8_t | bounces_reflect |
| Number of reflection bounces so far. | |
| uint8_t | bounces_transmit |
| Number of transmission bounces so far. | |
| uint8_t | bounces_volume |
| Number of volume bounces so far. | |
| bool | inclusive_traceset |
| Is the trace-set inclusive or exclusive? | |
| AtString | traceset |
| Trace-set for this ray. | |
| uint16_t | tid |
| Thread ID. | |
| uint16_t | sindex |
| Sub-pixel sample index when supersampling. | |
| int | x |
| Raster-space X coordinate. | |
| int | y |
| Raster-space Y coordinate. | |
| float | px |
| Subpixel X coordinate in [0,1) | |
| float | py |
| Subpixel Y coordinate in [0,1) | |
| AtVector | origin |
| Ray origin. | |
| AtVector | dir |
| Unit ray direction. | |
| float | mindist |
| Minimum useful distance from the origin. | |
| float | maxdist |
| Maximum useful distance from the origin (volatile while ray is traced) | |
| const AtShaderGlobals * | psg |
| Parent shader globals (last shaded) | |
| const AtLightSample * | light_sample |
| Associated light sample, for shadow rays only. | |
| AtRGB | weight |
| Ray weight, AI_RGB_WHITE for clean camera rays. | |
| float | time |
| Time at which the ray was created, in [0,1) | |
| AtVector | dOdx |
| Partial derivative of ray origin wrt image-space X coordinate. | |
| AtVector | dOdy |
| Partial derivative of ray origin wrt image-space Y coordinate. | |
| AtVector | dDdx |
| Partial derivative of ray direction wrt image-space X coordinate. | |
| AtVector | dDdy |
| Partial derivative of ray direction wrt image-space Y coordinate. | |
Ray data structure.
