| 224 |
|
setcolor(nd.tdiff, m->oargs.farg[6], |
| 225 |
|
m->oargs.farg[7], |
| 226 |
|
m->oargs.farg[8]); |
| 227 |
< |
/* get modifiers */ |
| 227 |
> |
/* get modifiers */ |
| 228 |
|
raytexture(r, m->omod); |
| 229 |
|
nd.pdot = raynormal(nd.pnorm, r); /* perturb normal */ |
| 230 |
|
if (r->rod < 0.0) { /* orient perturbed values */ |
| 338 |
|
if (m->oargs.nsargs < (hasdata(m->otype)?4:2) | m->oargs.nfargs < |
| 339 |
|
(m->otype==MAT_TFUNC|m->otype==MAT_TDATA?6:4)) |
| 340 |
|
objerror(m, USER, "bad # arguments"); |
| 341 |
+ |
/* check for back side */ |
| 342 |
+ |
if (r->rod < 0.0) { |
| 343 |
+ |
if (!backvis && m->otype != MAT_TFUNC |
| 344 |
+ |
&& m->otype != MAT_TDATA) { |
| 345 |
+ |
raytrans(r); |
| 346 |
+ |
return(1); |
| 347 |
+ |
} |
| 348 |
+ |
raytexture(r, m->omod); |
| 349 |
+ |
flipsurface(r); /* reorient if backvis */ |
| 350 |
+ |
} else |
| 351 |
+ |
raytexture(r, m->omod); |
| 352 |
+ |
|
| 353 |
|
nd.mp = m; |
| 354 |
|
nd.pr = r; |
| 355 |
|
/* get material color */ |
| 371 |
|
/* compute reflectance */ |
| 372 |
|
dtmp = 1.0 - nd.trans - nd.rspec; |
| 373 |
|
setcolor(nd.rdiff, dtmp, dtmp, dtmp); |
| 362 |
– |
/* check for back side */ |
| 363 |
– |
if (r->rod < 0.0) { |
| 364 |
– |
if (!backvis && m->otype != MAT_TFUNC |
| 365 |
– |
&& m->otype != MAT_TDATA) { |
| 366 |
– |
raytrans(r); |
| 367 |
– |
return(1); |
| 368 |
– |
} |
| 369 |
– |
flipsurface(r); /* reorient if backvis */ |
| 370 |
– |
} |
| 371 |
– |
/* get modifiers */ |
| 372 |
– |
raytexture(r, m->omod); |
| 374 |
|
nd.pdot = raynormal(nd.pnorm, r); /* perturb normal */ |
| 375 |
|
multcolor(nd.mcolor, r->pcol); /* modify material color */ |
| 376 |
|
multcolor(nd.rdiff, nd.mcolor); |
