24 |
|
extern int do_irrad; /* compute irradiance? */ |
25 |
|
|
26 |
|
long raynum = 0L; /* next unique ray number */ |
27 |
< |
long nrays = 0L; /* number of calls to rayvalue */ |
27 |
> |
long nrays = 0L; /* number of calls to localhit */ |
28 |
|
|
29 |
|
static double Lambfa[5] = {PI, PI, PI, 0.0, 0.0}; |
30 |
|
OBJREC Lamb = { |
48 |
|
r->crtype = r->rtype = rt; |
49 |
|
r->rsrc = -1; |
50 |
|
r->clipset = NULL; |
51 |
+ |
r->revf = raytrace; |
52 |
|
} else { /* spawned ray */ |
53 |
|
r->rlvl = ro->rlvl; |
54 |
|
if (rt & RAYREFL) { |
59 |
|
r->rsrc = ro->rsrc; |
60 |
|
r->clipset = ro->newcset; |
61 |
|
} |
62 |
+ |
r->revf = ro->revf; |
63 |
|
r->rweight = ro->rweight * rw; |
64 |
|
r->crtype = ro->crtype | (r->rtype = rt); |
65 |
|
VCOPY(r->rorg, ro->rop); |
76 |
|
} |
77 |
|
|
78 |
|
|
79 |
< |
rayvalue(r) /* compute a ray's value */ |
79 |
> |
raytrace(r) /* trace a ray and compute its value */ |
80 |
|
RAY *r; |
81 |
|
{ |
82 |
|
extern int (*trace)(); |
83 |
|
|
82 |
– |
nrays++; /* increment trace counter */ |
84 |
|
if (localhit(r, &thescene)) |
85 |
|
raycont(r); |
86 |
|
else if (sourcehit(r)) |
316 |
|
double t, dt; |
317 |
|
register int i; |
318 |
|
|
319 |
+ |
nrays++; /* increment trace counter */ |
320 |
|
sflags = 0; |
321 |
|
for (i = 0; i < 3; i++) { |
322 |
|
curpos[i] = r->rorg[i]; |