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root/Development/ray/src/rt/source.c
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Comparing ray/src/rt/source.c (file contents):
Revision 1.42 by greg, Mon Aug 12 08:20:49 1991 UTC vs.
Revision 1.44 by greg, Thu Aug 22 11:56:55 1991 UTC

# Line 140 | Line 140 | register int  sn;              /* source number */
140          }
141          if (dstrsrc > FTINY) {
142                                          /* distribute source direction */
143 <                dimlist[ndims++] = sn;
144 <                for (i = 0; i < 3; i++) {
145 <                        dimlist[ndims] = i + 8831;
146 <                        vd[i] = dstrsrc * source[sn].ss *
147 <                (1.0 - 2.0*urand(urind(ilhash(dimlist,ndims+1),samplendx)));
148 <                }
149 <                ndims--;
143 >                dimlist[ndims] = sn + 8831;
144 >                multisamp(vd, 3, urand(ilhash(dimlist,ndims+1)+samplendx));
145 >                for (i = 0; i < 3; i++)
146 >                        vd[i] = dstrsrc * source[sn].ss * (1. - 2.*vd[i]);
147                  if (source[sn].sflags & SFLAT) {        /* project offset */
148                          d = DOT(vd, source[sn].snorm);
149                          for (i = 0; i < 3; i++)

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