| 195 |
|
} |
| 196 |
|
if (vypeak*tomsurr < peak_over*bright(vsurr)*ns) |
| 197 |
|
return; /* peak not peaky enough */ |
| 198 |
< |
if ((vypeak/ns - ndp->sd->tLamb.cieY*(1./PI))*tomsum <= .001) |
| 198 |
> |
if ((vypeak/ns - (ndp->vray[2] > 0 ? ndp->sd->tLambFront.cieY |
| 199 |
> |
: ndp->sd->tLambBack.cieY)*(1./PI))*tomsum <= .001) |
| 200 |
|
return; /* < 0.1% transmission */ |
| 201 |
|
copycolor(ndp->cthru, vpeak); /* already scaled by omega */ |
| 202 |
|
multcolor(ndp->cthru, ndp->pr->pcol); /* modify by pattern */ |
| 256 |
|
return(0); /* all diffuse */ |
| 257 |
|
sv = ndp->sd->rLambBack; |
| 258 |
|
break; |
| 259 |
< |
default: |
| 259 |
> |
case 1: |
| 260 |
|
if ((ndp->sd->tf == NULL) & (ndp->sd->tb == NULL)) |
| 261 |
|
return(0); /* all diffuse */ |
| 262 |
< |
sv = ndp->sd->tLamb; |
| 262 |
> |
sv = ndp->sd->tLambFront; |
| 263 |
|
break; |
| 264 |
+ |
case 2: |
| 265 |
+ |
if ((ndp->sd->tf == NULL) & (ndp->sd->tb == NULL)) |
| 266 |
+ |
return(0); /* all diffuse */ |
| 267 |
+ |
sv = ndp->sd->tLambBack; |
| 268 |
+ |
break; |
| 269 |
|
} |
| 270 |
|
if (sv.cieY > FTINY) { |
| 271 |
|
diffY = sv.cieY *= 1./PI; |
| 702 |
|
} |
| 703 |
|
} |
| 704 |
|
/* diffuse transmittance */ |
| 705 |
< |
cvt_sdcolor(nd.tdiff, &nd.sd->tLamb); |
| 705 |
> |
cvt_sdcolor(nd.tdiff, hitfront ? &nd.sd->tLambFront : &nd.sd->tLambBack); |
| 706 |
|
if (m->oargs.nfargs >= 9) { |
| 707 |
|
setcolor(ctmp, m->oargs.farg[6], |
| 708 |
|
m->oargs.farg[7], |
