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root/Development/ray/src/rt/RtraceSimulManager.cpp
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Comparing ray/src/rt/RtraceSimulManager.cpp (file contents):
Revision 2.23 by greg, Wed Nov 13 18:47:01 2024 UTC vs.
Revision 2.24 by greg, Wed Nov 20 17:46:25 2024 UTC

# Line 315 | Line 315 | extern "C" int m_normal(OBJREC *m, RAY *r);
315   static void
316   rayirrad(RAY *r)
317   {
318 <                                        /* pretend we hit surface */
319 <        r->rxt = r->rot = 1e-5;
320 <        VSUM(r->rop, r->rorg, r->rdir, r->rot);
321 <        r->ron[0] = -r->rdir[0];
322 <        r->ron[1] = -r->rdir[1];
323 <        r->ron[2] = -r->rdir[2];
318 >                                        /* orientation -> normal */
319 >        VCOPY(r->ron, r->rdir);
320 >                                        /* pretend normal incidence */
321 >        r->rdir[0] = -r->ron[0];
322 >        r->rdir[1] = -r->ron[1];
323 >        r->rdir[2] = -r->ron[2];
324          r->rod = 1.0;
325 +                                        /* counterfeit other params */
326 +        r->rxt = r->rot = 1e-4;
327 +                                        /* move comfortably above sample pos. */
328 +        VSUM(r->rop, r->rorg, r->ron, r->rot);
329 +                                        /* leap-frog for pretend origin */
330 +        VSUM(r->rorg, r->rop, r->ron, r->rot);
331                                          /* compute result */
332          r->revf = raytrace;
333          m_normal(&Lamb, r);

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