26 |
|
long raynum = 0L; /* next unique ray number */ |
27 |
|
long nrays = 0L; /* number of calls to localhit */ |
28 |
|
|
29 |
< |
static double Lambfa[5] = {PI, PI, PI, 0.0, 0.0}; |
29 |
> |
static FLOAT Lambfa[5] = {PI, PI, PI, 0.0, 0.0}; |
30 |
|
OBJREC Lamb = { |
31 |
|
OVOID, MAT_PLASTIC, "Lambertian", |
32 |
|
{0, 5, NULL, Lambfa}, NULL, -1, |
64 |
|
r->crtype = ro->crtype | (r->rtype = rt); |
65 |
|
VCOPY(r->rorg, ro->rop); |
66 |
|
} |
67 |
+ |
rayclear(r); |
68 |
+ |
return(r->rlvl <= maxdepth && r->rweight >= minweight ? 0 : -1); |
69 |
+ |
} |
70 |
+ |
|
71 |
+ |
|
72 |
+ |
rayclear(r) /* clear a ray for (re)evaluation */ |
73 |
+ |
register RAY *r; |
74 |
+ |
{ |
75 |
|
r->rno = raynum++; |
76 |
|
r->newcset = r->clipset; |
77 |
|
r->ro = NULL; |
80 |
|
setcolor(r->pcol, 1.0, 1.0, 1.0); |
81 |
|
setcolor(r->rcol, 0.0, 0.0, 0.0); |
82 |
|
r->rt = 0.0; |
75 |
– |
return(r->rlvl <= maxdepth && r->rweight >= minweight ? 0 : -1); |
83 |
|
} |
84 |
|
|
85 |
|
|