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root/Development/ray/src/rt/raytrace.c

Comparing ray/src/rt/raytrace.c (file contents):
Revision 2.77 by greg, Fri Feb 22 19:42:27 2019 UTC vs.
Revision 2.81 by greg, Sun Mar 29 18:21:57 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 146 | Line 146 | rayclear(                      /* clear a ray for (re)evaluation */
146		r->ro = NULL;
147		r->rox = NULL;
148		r->rxt = r->rmt = r->rot = FHUGE;
149	+	VCOPY(r->rop, r->rorg);
150		r->pert[0] = r->pert[1] = r->pert[2] = 0.0;
151	+	r->rflips = 0;
152		r->uv[0] = r->uv[1] = 0.0;
153		setcolor(r->pcol, 1.0, 1.0, 1.0);
154		setcolor(r->mcol, 0.0, 0.0, 0.0);
#	Line 229 | Line 231 | rayshade(              /* shade ray r with material mod */
231		int     tst_irrad = do_irrad && !(r->crtype & ~(PRIMARY|TRANS));
232		OBJREC  *m;
233
234	<	r->rxt = r->rmt = r->rot;       /* preset effective ray length */
234	>	r->rxt = r->rot;                /* preset effective ray length */
235		for ( ; mod != OVOID; mod = m->omod) {
236		m = objptr(mod);
237		/****** unnecessary test since modifier() is always called
#	Line 509 | Line 511 | flipsurface(                   /* reverse surface orientation */
511		r->pert[0] = -r->pert[0];
512		r->pert[1] = -r->pert[1];
513		r->pert[2] = -r->pert[2];
514	+	r->rflips++;
515		}
516
517

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