| 287 |
|
getplaneq(onorm, o); |
| 288 |
|
/* set number of rays to sample */ |
| 289 |
|
if (source[sn].sflags & SDISTANT) { |
| 290 |
< |
n = 4.*or2/(thescene.cusize*thescene.cusize)*vspretest + .5; |
| 290 |
> |
/* 32. == heuristic constant */ |
| 291 |
> |
n = 32.*or2/(thescene.cusize*thescene.cusize)*vspretest + .5; |
| 292 |
|
infront = DOT(onorm, source[sn].sloc) > 0.; |
| 293 |
|
} else { |
| 294 |
|
for (i = 0; i < 3; i++) |
| 319 |
|
#endif |
| 320 |
|
return(f); /* too small a target! */ |
| 321 |
|
} |
| 322 |
< |
peano(offsdir, 3, urand(931*i+5827+ssn), .005); |
| 322 |
> |
multisamp(offsdir, 3, urand(sn*931+5827+ssn)); |
| 323 |
|
for (i = 0; i < 3; i++) |
| 324 |
|
offsdir[i] = or*(1. - 2.*offsdir[i]); |
| 325 |
|
ssn++; |
| 349 |
|
nok++; |
| 350 |
|
/* check against obstructions */ |
| 351 |
|
rayclear(&sr); |
| 352 |
< |
sr.revf = raytrace; |
| 352 |
< |
rayvalue(&sr); |
| 353 |
< |
if (bright(sr.rcol) > FTINY) |
| 352 |
> |
if (!localhit(&sr, &thescene) || sr.ro == source[sn].so) |
| 353 |
|
nhit++; |
| 354 |
|
if (nhit > 0 && nhit < nok) { |
| 355 |
|
#ifdef DEBUG |
