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root/Development/ray/src/rt/raytrace.c
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Comparing ray/src/rt/raytrace.c (file contents):
Revision 1.8 by greg, Tue Jan 2 15:16:14 1990 UTC vs.
Revision 1.9 by greg, Tue Mar 6 08:47:30 1990 UTC

# Line 210 | Line 210 | register RAY  *r;
210           *  still fraught with problems since reflected rays and similar
211           *  directions calculated from the surface normal may spawn rays behind
212           *  the surface.  The only solution is to curb textures at high
213 <         *  incidence (Rdot << 1).
213 >         *  incidence (namely, keep DOT(rdir,pert) < Rdot).
214           */
215  
216          for (i = 0; i < 3; i++)

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