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root/radiance/ray/src/rt/virtuals.c
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Comparing ray/src/rt/virtuals.c (file contents):
Revision 1.23 by greg, Tue Aug 13 12:16:43 1991 UTC vs.
Revision 1.27 by greg, Tue Oct 1 14:29:16 1991 UTC

# Line 287 | Line 287 | register int  sn;      /* target source number */
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++)
# Line 318 | Line 319 | register int  sn;      /* target source number */
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++;

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