| 14 |
|
|
| 15 |
|
#include "color.h" |
| 16 |
|
|
| 17 |
+ |
#define MAXDIM 32 /* maximum number of dimensions */ |
| 18 |
+ |
|
| 19 |
+ |
#define MAXSLIST 32 /* maximum sources to check */ |
| 20 |
+ |
|
| 21 |
|
/* ray type flags */ |
| 22 |
|
#define PRIMARY 01 /* original ray */ |
| 23 |
|
#define SHADOW 02 /* ray to light source */ |
| 54 |
|
COLOR pcol; /* pattern color */ |
| 55 |
|
COLOR rcol; /* returned ray value */ |
| 56 |
|
double rt; /* returned effective ray length */ |
| 57 |
+ |
COLOR cext; /* medium extinction coefficient */ |
| 58 |
+ |
float albedo; /* medium scattering albedo */ |
| 59 |
+ |
float gecc; /* scattering eccentricity coefficient */ |
| 60 |
+ |
int *slights; /* list of lights to test for scattering */ |
| 61 |
|
} RAY; |
| 62 |
|
|
| 63 |
|
extern int raytrace(); |
| 69 |
|
extern int dimlist[]; /* dimension list for distribution */ |
| 70 |
|
extern int ndims; /* number of dimensions so far */ |
| 71 |
|
extern int samplendx; /* index for this sample */ |
| 64 |
– |
|
| 65 |
– |
#define MAXDIM 32 /* maximum number of dimensions */ |
| 72 |
|
|
| 73 |
|
#define rayvalue(r) (*(r)->revf)(r) |