| 96 |
|
{ |
| 97 |
|
r->rno = raynum++; |
| 98 |
|
r->newcset = r->clipset; |
| 99 |
+ |
r->robj = OVOID; |
| 100 |
|
r->ro = NULL; |
| 101 |
< |
r->rot = FHUGE; |
| 101 |
> |
r->rt = r->rot = FHUGE; |
| 102 |
|
r->pert[0] = r->pert[1] = r->pert[2] = 0.0; |
| 103 |
|
setcolor(r->pcol, 1.0, 1.0, 1.0); |
| 104 |
|
setcolor(r->rcol, 0.0, 0.0, 0.0); |
| 104 |
– |
r->rt = 0.0; |
| 105 |
|
} |
| 106 |
|
|
| 107 |
|
|
| 189 |
|
register RAY *r; |
| 190 |
|
{ |
| 191 |
|
COLOR ce, ca; |
| 192 |
– |
double dist; |
| 192 |
|
double re, ge, be; |
| 193 |
|
|
| 194 |
|
if (intens(r->cext) <= 1./FHUGE) |
| 195 |
|
return; /* no medium */ |
| 196 |
< |
if ((dist = r->rot) >= FHUGE) |
| 197 |
< |
dist = 2.*thescene.cusize; /* what to use for infinity? */ |
| 198 |
< |
re = dist*colval(r->cext,RED); |
| 200 |
< |
ge = dist*colval(r->cext,GRN); |
| 201 |
< |
be = dist*colval(r->cext,BLU); |
| 196 |
> |
re = r->rot*colval(r->cext,RED); |
| 197 |
> |
ge = r->rot*colval(r->cext,GRN); |
| 198 |
> |
be = r->rot*colval(r->cext,BLU); |
| 199 |
|
if (r->crtype & SHADOW) { /* no scattering for sources */ |
| 200 |
|
re *= 1. - colval(r->albedo,RED); |
| 201 |
|
ge *= 1. - colval(r->albedo,GRN); |
| 554 |
|
checkset(oset, cxs); /* eliminate double-checking */ |
| 555 |
|
for (i = oset[0]; i > 0; i--) { |
| 556 |
|
o = objptr(oset[i]); |
| 557 |
< |
(*ofun[o->otype].funp)(o, r); |
| 557 |
> |
if ((*ofun[o->otype].funp)(o, r)) |
| 558 |
> |
r->robj = oset[i]; |
| 559 |
|
} |
| 560 |
|
if (r->ro == NULL) |
| 561 |
|
return(0); /* no scores yet */ |
