| 14 |
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|
| 15 |
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#include "color.h" |
| 16 |
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| 17 |
+ |
#define MAXDIM 32 /* maximum number of dimensions */ |
| 18 |
+ |
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| 19 |
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/* ray type flags */ |
| 20 |
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#define PRIMARY 01 /* original ray */ |
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#define SHADOW 02 /* ray to light source */ |
| 42 |
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OBJECT *clipset; /* set of objects currently clipped */ |
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OBJECT *newcset; /* next clipset, used for transmission */ |
| 44 |
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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) */ |
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double rot; /* distance to object */ |
| 48 |
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FVECT rop; /* intersection point */ |
| 49 |
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FVECT ron; /* intersection surface normal */ |
| 53 |
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COLOR pcol; /* pattern color */ |
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|
COLOR rcol; /* returned ray value */ |
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double rt; /* returned effective ray length */ |
| 56 |
+ |
COLOR cext; /* medium extinction coefficient */ |
| 57 |
+ |
COLOR albedo; /* medium scattering albedo */ |
| 58 |
+ |
float gecc; /* scattering eccentricity coefficient */ |
| 59 |
+ |
int *slights; /* list of lights to test for scattering */ |
| 60 |
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} RAY; |
| 61 |
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| 62 |
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extern int raytrace(); |
| 63 |
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| 64 |
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extern double raynormal(); |
| 65 |
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| 66 |
< |
extern double raydistance(); |
| 66 |
> |
extern double raydist(); |
| 67 |
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| 68 |
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extern int dimlist[]; /* dimension list for distribution */ |
| 69 |
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extern int ndims; /* number of dimensions so far */ |
| 70 |
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extern int samplendx; /* index for this sample */ |
| 64 |
– |
|
| 65 |
– |
#define MAXDIM 32 /* maximum number of dimensions */ |
| 71 |
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| 72 |
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#define rayvalue(r) (*(r)->revf)(r) |
