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root/radiance/src/rt/raytrace.c

Comparing src/rt/raytrace.c (file contents):
Revision 1.20 by greg, Mon Jun 17 08:26:18 1991 UTC vs.
Revision 1.21 by greg, Thu Jun 20 13:29:32 1991 UTC

#	Line 24 | Line 24 | extern double  minweight;              /* minimum ray weight */
24		extern int  do_irrad;                   /* compute irradiance? */
25
26		long  raynum = 0L;                      /* next unique ray number */
27	<	long  nrays = 0L;                       /* number of calls to rayvalue */
27	>	long  nrays = 0L;                       /* number of calls to localhit */
28
29		static double  Lambfa[5] = {PI, PI, PI, 0.0, 0.0};
30		OBJREC  Lamb = {
#	Line 48 | Line 48 | double  rw;
48		r->crtype = r->rtype = rt;
49		r->rsrc = -1;
50		r->clipset = NULL;
51	+	r->revf = raytrace;
52		} else {                                /* spawned ray */
53		r->rlvl = ro->rlvl;
54		if (rt & RAYREFL) {
#	Line 58 | Line 59 | double  rw;
59		r->rsrc = ro->rsrc;
60		r->clipset = ro->newcset;
61		}
62	+	r->revf = ro->revf;
63		r->rweight = ro->rweight * rw;
64		r->crtype = ro->crtype | (r->rtype = rt);
65		VCOPY(r->rorg, ro->rop);
#	Line 74 | Line 76 | double  rw;
76		}
77
78
79	<	rayvalue(r)                     /* compute a ray's value */
79	>	raytrace(r)                     /* trace a ray and compute its value */
80		RAY  *r;
81		{
82		extern int  (*trace)();
83
82	–	nrays++;                        /* increment trace counter */
84		if (localhit(r, &thescene))
85		raycont(r);
86		else if (sourcehit(r))
#	Line 315 | Line 316 | register CUBE  *scene;
316		double  t, dt;
317		register int  i;
318
319	+	nrays++;                        /* increment trace counter */
320		sflags = 0;
321		for (i = 0; i < 3; i++) {
322		curpos[i] = r->rorg[i];

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