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root/radiance/ray/src/rt/srcsupp.c
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Comparing ray/src/rt/srcsupp.c (file contents):
Revision 1.6 by greg, Tue Jun 25 13:11:55 1991 UTC vs.
Revision 1.9 by greg, Tue Jul 16 15:56:48 1991 UTC

# Line 27 | Line 27 | SRCFUNC  sfun[NUMOTYPE];               /* source dispatch table */
27  
28   initstypes()                    /* initialize source dispatch table */
29   {
30 <        extern VSMATERIAL  mirror_vs;
30 >        extern VSMATERIAL  mirror_vs, direct1_vs, direct2_vs;
31          extern int  fsetsrc(), ssetsrc(), sphsetsrc(), rsetsrc();
32          extern double  fgetplaneq(), rgetplaneq();
33          extern double  fgetmaxdisk(), rgetmaxdisk();
# Line 37 | Line 37 | initstypes()                   /* initialize source dispatch table */
37          static SOBJECT  rsobj = {rsetsrc, rgetplaneq, rgetmaxdisk};
38  
39          sfun[MAT_MIRROR].mf = &mirror_vs;
40 +        sfun[MAT_DIRECT1].mf = &direct1_vs;
41 +        sfun[MAT_DIRECT2].mf = &direct2_vs;
42          sfun[OBJ_FACE].of = &fsobj;
43          sfun[OBJ_SOURCE].of = &ssobj;
44          sfun[OBJ_SPHERE].of = &sphsobj;
# Line 105 | Line 107 | register OBJREC  *so;
107          theta = PI/180.0/2.0 * so->oargs.farg[3];
108          if (theta <= FTINY)
109                  objerror(so, USER, "zero size");
110 <        src->ss = theta >= PI/4 ? 1.0 : tan(theta);
110 >        src->ss = theta >= PI/4.0 ? 1.0 : tan(theta);
111          src->ss2 = 2.0*PI * (1.0 - cos(theta));
112   }
113  
# Line 288 | Line 290 | FVECT  nrm;            /* source surface normal */
290  
291          d = DOT(sp->aim, nrm);
292          if (d > FTINY)                  /* center in front? */
293 <                return(0);
293 >                return(1);
294                                          /* else check horizon */
295          d1 = 1. - sp->siz/(2.*PI);
296 <        return(1.-FTINY-d*d > d1*d1);
296 >        return(1.-FTINY-d*d < d1*d1);
297   }
298  
299  

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