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

Comparing ray/src/rt/raytrace.c (file contents):
Revision 2.57 by greg, Fri Sep 23 19:04:53 2005 UTC vs.
Revision 2.59 by greg, Mon Jul 2 20:16:00 2007 UTC

#	Line 93 | Line 93 | rayorigin(             /* start new ray from old one */
93		colval(ro->cext,RED) : colval(ro->cext,GRN);
94		if (colval(ro->cext,BLU) < re) re = colval(ro->cext,BLU);
95		re *= ro->rot;
96	<	if (re > 0.1)
97	<	if (re > 92.)
96	>	if (re > 0.1) {
97	>	if (re > 92.) {
98		r->rweight = 0.0;
99	<	else
99	>	} else {
100		r->rweight *= exp(-re);
101	+	}
102	+	}
103		}
104		rayclear(r);
105		if (r->rweight <= 0.0)                  /* check for expiration */
#	Line 302 | Line 304 | raymixture(            /* mix modifiers */
304		/* foreground */
305		fr = *r;
306		if (coef > FTINY) {
307	+	fr.rweight *= coef;
308		scalecolor(fr.rcoef, coef);
309		foremat = rayshade(&fr, fore);
310		}
311		/* background */
312		br = *r;
313		if (coef < 1.0-FTINY) {
314	+	br.rweight *= 1.0-coef;
315		scalecolor(br.rcoef, 1.0-coef);
316		backmat = rayshade(&br, back);
317		}

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<	Changed lines (old)
>	Changed lines (new)