16 |
|
|
17 |
|
#define MAXDIM 32 /* maximum number of dimensions */ |
18 |
|
|
19 |
– |
#define MAXSLIST 32 /* maximum sources to check */ |
20 |
– |
|
19 |
|
/* ray type flags */ |
20 |
|
#define PRIMARY 01 /* original ray */ |
21 |
|
#define SHADOW 02 /* ray to light source */ |
42 |
|
OBJECT *clipset; /* set of objects currently clipped */ |
43 |
|
OBJECT *newcset; /* next clipset, used for transmission */ |
44 |
|
int (*revf)(); /* evaluation function for this ray */ |
45 |
< |
OBJREC *ro; /* intersected object */ |
45 |
> |
OBJECT robj; /* object number from octree */ |
46 |
> |
OBJREC *ro; /* intersected object (for material) */ |
47 |
|
double rot; /* distance to object */ |
48 |
|
FVECT rop; /* intersection point */ |
49 |
|
FVECT ron; /* intersection surface normal */ |
54 |
|
COLOR rcol; /* returned ray value */ |
55 |
|
double rt; /* returned effective ray length */ |
56 |
|
COLOR cext; /* medium extinction coefficient */ |
57 |
< |
float albedo; /* medium scattering albedo */ |
57 |
> |
COLOR albedo; /* medium scattering albedo */ |
58 |
|
float gecc; /* scattering eccentricity coefficient */ |
59 |
|
int *slights; /* list of lights to test for scattering */ |
60 |
|
} RAY; |