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root/Development/ray/src/rt/ambcomp.c

Comparing ray/src/rt/ambcomp.c (file contents):
Revision 2.78 by greg, Tue Jan 9 00:51:51 2018 UTC vs.
Revision 2.79 by greg, Tue Jan 9 00:52:35 2018 UTC

#	Line 20 | Line 20 | static const char      RCSid[] = "$Id$";
20		#include  "ray.h"
21		#include  "ambient.h"
22		#include  "random.h"
23	–	#include  "source.h"
24	–	#include  "otypes.h"
25	–	#include  "otspecial.h"
23
24		#ifndef OLDAMB
25
#	Line 678 | Line 675 | ambcorral(AMBHEMI *hp, FVECT uv[2], const double r0, c
675		for (a1 = ang-ang_res; a1 <= ang+ang_res; a1 += ang_step)
676		flgs |= 1L<<(int)(16/PI*(a1 + 2.*PI*(a1 < 0)));
677		}
681	–	/* add low-angle incident (< 20deg) */
682	–	if (fabs(hp->rp->rod) <= 0.342 && hp->rp->parent != NULL &&
683	–	(m = findmaterial(hp->rp->parent->ro)) != NULL &&
684	–	isopaque(m->otype)) {
685	–	u = -DOT(hp->rp->rdir, uv[0]);
686	–	v = -DOT(hp->rp->rdir, uv[1]);
687	–	if ((r0*r0*u*u + r1*r1*v*v) > hp->rp->rot*hp->rp->rot) {
688	–	ang = atan2a(v, u);
689	–	ang += 2.*PI*(ang < 0);
690	–	ang *= 16/PI;
691	–	if ((ang < .5) | (ang >= 31.5))
692	–	flgs |= 0x80000001;
693	–	else
694	–	flgs |= 3L<<(int)(ang-.5);
695	–	}
696	–	}
678		return(flgs);
679		}
680

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