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root/radiance/ray/src/rt/raytrace.c
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Comparing ray/src/rt/raytrace.c (file contents):
Revision 1.4 by greg, Sun May 7 17:50:51 1989 UTC vs.
Revision 1.7 by greg, Wed Nov 29 14:35:25 1989 UTC

# Line 22 | Line 22 | extern double  minweight;              /* minimum ray weight */
22  
23   long  nrays = 0L;                       /* number of rays traced */
24  
25 < #define  MAXLOOP        1024            /* modifier loop detection */
25 > #define  MAXLOOP        128             /* modifier loop detection */
26  
27   #define  RAYHIT         (-1)            /* return value for intercepted ray */
28  
# Line 68 | Line 68 | register RAY  *r;
68   {
69          extern int  (*trace)();
70  
71 <        if (localhit(r, &thescene))
71 >        if (localhit(r, &thescene) || sourcehit(r))
72 >                                                /* check for clipped object */
73                  if (r->clipset != NULL && inset(r->clipset, r->ro->omod))
74 <                        raytrans(r);            /* object is clipped */
74 >                        raytrans(r);
75                  else
76                          rayshade(r, r->ro->omod);
76 –        else if (sourcehit(r))
77 –                rayshade(r, r->ro->omod);
77  
78          if (trace != NULL)
79                  (*trace)(r);            /* trace execution */

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