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Comparing ray/src/rt/normal.c (file contents):
Revision 2.41 by greg, Wed Mar 12 04:59:05 2003 UTC vs.
Revision 2.43 by greg, Tue Jun 17 21:32:46 2003 UTC

# Line 23 | Line 23 | static const char RCSid[] = "$Id$";
23   #define  MAXITER        10              /* maximum # specular ray attempts */
24   #endif
25                                          /* estimate of Fresnel function */
26 < #define  FRESNE(ci)     (exp(-6.0*(ci)) - 0.00247875217)
26 > #define  FRESNE(ci)     (exp(-6.5*(ci)) - 0.00150343919)
27  
28   static void  gaussamp();
29  
# Line 203 | Line 203 | register RAY  *r;
203          } else {
204                  VCOPY(nd.pnorm, r->ron);
205                  nd.pdot = r->rod;
206 –                if (r->ro != NULL && isflat(r->ro->otype))
207 –                        nd.specfl |= SP_FLAT;
206          }
207 +        if (r->ro != NULL && isflat(r->ro->otype))
208 +                nd.specfl |= SP_FLAT;
209          if (nd.pdot < .001)
210                  nd.pdot = .001;                 /* non-zero for dirnorm() */
211          multcolor(nd.mcolor, r->pcol);          /* modify material color */

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