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Comparing ray/src/rt/raytrace.c (file contents):
Revision 2.27 by greg, Wed Apr 24 16:27:56 1996 UTC vs.
Revision 2.29 by gregl, Tue Dec 23 18:25:15 1997 UTC

# Line 96 | Line 96 | register RAY  *r;
96   {
97          r->rno = raynum++;
98          r->newcset = r->clipset;
99 +        r->robj = OVOID;
100          r->ro = NULL;
101 <        r->rot = FHUGE;
101 >        r->rt = r->rot = FHUGE;
102          r->pert[0] = r->pert[1] = r->pert[2] = 0.0;
103          setcolor(r->pcol, 1.0, 1.0, 1.0);
104          setcolor(r->rcol, 0.0, 0.0, 0.0);
104 –        r->rt = 0.0;
105   }
106  
107  
# Line 554 | Line 554 | OBJECT  *cxs;
554          checkset(oset, cxs);                    /* eliminate double-checking */
555          for (i = oset[0]; i > 0; i--) {
556                  o = objptr(oset[i]);
557 <                (*ofun[o->otype].funp)(o, r);
557 >                if ((*ofun[o->otype].funp)(o, r))
558 >                        r->robj = oset[i];
559          }
560          if (r->ro == NULL)
561                  return(0);                      /* no scores yet */

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