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root/radiance/ray/src/rt/raytrace.c
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Comparing ray/src/rt/raytrace.c (file contents):
Revision 2.77 by greg, Fri Feb 22 19:42:27 2019 UTC vs.
Revision 2.80 by greg, Thu Mar 12 17:19:18 2020 UTC

# Line 68 | Line 68 | rayorigin(             /* start new ray from old one */
68                  r->gecc = seccg;
69                  r->slights = NULL;
70          } else {                                /* spawned ray */
71 <                if (ro->rot >= FHUGE) {
71 >                if (ro->rot >= FHUGE*.99) {
72                          memset(r, 0, sizeof(RAY));
73                          return(-1);             /* illegal continuation */
74                  }
# Line 147 | Line 147 | rayclear(                      /* clear a ray for (re)evaluation */
147          r->rox = NULL;
148          r->rxt = r->rmt = r->rot = FHUGE;
149          r->pert[0] = r->pert[1] = r->pert[2] = 0.0;
150 +        r->rflips = 0;
151          r->uv[0] = r->uv[1] = 0.0;
152          setcolor(r->pcol, 1.0, 1.0, 1.0);
153          setcolor(r->mcol, 0.0, 0.0, 0.0);
# Line 229 | Line 230 | rayshade(              /* shade ray r with material mod */
230          int     tst_irrad = do_irrad && !(r->crtype & ~(PRIMARY|TRANS));
231          OBJREC  *m;
232  
233 <        r->rxt = r->rmt = r->rot;       /* preset effective ray length */
233 >        r->rxt = r->rot;                /* preset effective ray length */
234          for ( ; mod != OVOID; mod = m->omod) {
235                  m = objptr(mod);
236                  /****** unnecessary test since modifier() is always called
# Line 509 | Line 510 | flipsurface(                   /* reverse surface orientation */
510          r->pert[0] = -r->pert[0];
511          r->pert[1] = -r->pert[1];
512          r->pert[2] = -r->pert[2];
513 +        r->rflips++;
514   }
515  
516  

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