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

Comparing ray/src/rt/ambcomp.c (file contents):
Revision 2.39 by greg, Tue Apr 29 15:40:00 2014 UTC vs.
Revision 2.40 by greg, Wed Apr 30 18:27:14 2014 UTC

#	Line 478 | Line 478 | ambdirgrad(AMBHEMI *hp, FVECT uv[2], float dg[2])
478		VSUB(vd, ap->p, hp->rp->rop);
479		/* brightness over cosine factor */
480		gfact = colval(ap->v,CIEY) / DOT(hp->rp->ron, vd);
481	<	/* -sine = -proj_radius/vd_length */
482	<	dgsum[0] += DOT(uv[1], vd) * gfact;
483	<	dgsum[1] -= DOT(uv[0], vd) * gfact;
481	>	/* sine = proj_radius/vd_length */
482	>	dgsum[0] -= DOT(uv[1], vd) * gfact;
483	>	dgsum[1] += DOT(uv[0], vd) * gfact;
484		}
485		dg[0] = dgsum[0] / (hp->ns*hp->ns);
486		dg[1] = dgsum[1] / (hp->ns*hp->ns);

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