| 512 |
|
nd.vray[1] = -r->rdir[1]; |
| 513 |
|
nd.vray[2] = -r->rdir[2]; |
| 514 |
|
ec = SDmapDir(nd.vray, nd.toloc, nd.vray); |
| 515 |
– |
} |
| 516 |
– |
if (ec) { |
| 517 |
– |
objerror(m, WARNING, "Illegal orientation vector"); |
| 518 |
– |
return(1); |
| 515 |
|
} |
| 520 |
– |
ec = SDinvXform(nd.fromloc, nd.toloc); |
| 521 |
– |
/* determine BSDF resolution */ |
| 516 |
|
if (!ec) |
| 517 |
< |
ec = SDsizeBSDF(nd.sr_vpsa, nd.vray, NULL, |
| 524 |
< |
SDqueryMin+SDqueryMax, nd.sd); |
| 517 |
> |
ec = SDinvXform(nd.fromloc, nd.toloc); |
| 518 |
|
if (ec) { |
| 519 |
< |
objerror(m, WARNING, transSDError(ec)); |
| 527 |
< |
SDfreeCache(nd.sd); |
| 519 |
> |
objerror(m, WARNING, "Illegal orientation vector"); |
| 520 |
|
return(1); |
| 521 |
|
} |
| 522 |
+ |
/* determine BSDF resolution */ |
| 523 |
+ |
ec = SDsizeBSDF(nd.sr_vpsa, nd.vray, NULL, SDqueryMin+SDqueryMax, nd.sd); |
| 524 |
+ |
if (ec) |
| 525 |
+ |
objerror(m, USER, transSDError(ec)); |
| 526 |
+ |
|
| 527 |
|
nd.sr_vpsa[0] = sqrt(nd.sr_vpsa[0]); |
| 528 |
|
nd.sr_vpsa[1] = sqrt(nd.sr_vpsa[1]); |
| 529 |
|
if (!hitfront) { /* perturb normal towards hit */ |
