96 |
|
{ |
97 |
|
r->rno = raynum++; |
98 |
|
r->newcset = r->clipset; |
99 |
+ |
r->robj = OVOID; |
100 |
|
r->ro = NULL; |
101 |
|
r->rot = FHUGE; |
102 |
|
r->pert[0] = r->pert[1] = r->pert[2] = 0.0; |
190 |
|
register RAY *r; |
191 |
|
{ |
192 |
|
COLOR ce, ca; |
192 |
– |
double dist; |
193 |
|
double re, ge, be; |
194 |
|
|
195 |
|
if (intens(r->cext) <= 1./FHUGE) |
196 |
|
return; /* no medium */ |
197 |
< |
if ((dist = r->rot) >= FHUGE) |
198 |
< |
dist = 2.*thescene.cusize; /* what to use for infinity? */ |
199 |
< |
re = dist*colval(r->cext,RED); |
200 |
< |
ge = dist*colval(r->cext,GRN); |
201 |
< |
be = dist*colval(r->cext,BLU); |
197 |
> |
re = r->rot*colval(r->cext,RED); |
198 |
> |
ge = r->rot*colval(r->cext,GRN); |
199 |
> |
be = r->rot*colval(r->cext,BLU); |
200 |
|
if (r->crtype & SHADOW) { /* no scattering for sources */ |
201 |
|
re *= 1. - colval(r->albedo,RED); |
202 |
|
ge *= 1. - colval(r->albedo,GRN); |
555 |
|
checkset(oset, cxs); /* eliminate double-checking */ |
556 |
|
for (i = oset[0]; i > 0; i--) { |
557 |
|
o = objptr(oset[i]); |
558 |
< |
(*ofun[o->otype].funp)(o, r); |
558 |
> |
if ((*ofun[o->otype].funp)(o, r)) |
559 |
> |
r->robj = oset[i]; |
560 |
|
} |
561 |
|
if (r->ro == NULL) |
562 |
|
return(0); /* no scores yet */ |