[ViewVC] Diff of: radiance/ray/src/rt/aniso.c

Comparing ray/src/rt/aniso.c (file contents):
Revision 2.11 by greg, Tue Mar 3 16:20:00 1992 UTC vs.
Revision 2.14 by greg, Wed Apr 22 09:05:27 1992 UTC

#	Line 121 \| Line 121 \| *double omega; / light source size /*
121		/* worth using? */
122		if (dtmp > FTINY) {
123		copycolor(ctmp, np->scolor);
124	<	dtmp *= omega / np->pdot;
124	>	dtmp = omega sqrt(ldot/np->pdot);
125		scalecolor(ctmp, dtmp);
126		addcolor(cval, ctmp);
127		}
#	Line 146 \| Line 146 \| *double omega; / light source size /*
146		/* worth using? */
147		if (dtmp > FTINY) {
148		copycolor(ctmp, np->mcolor);
149	<	dtmp = np->tspec omega / np->pdot;
149	>	dtmp = np->tspec omega * sqrt(ldot/np->pdot);
150		scalecolor(ctmp, dtmp);
151		addcolor(cval, ctmp);
152		}
#	Line 205 \| Line 205 \| *register RAY r;**
205		nd.rspec += (1.0-nd.rspec)*dtmp;
206		/* check threshold */
207		if (specthresh > FTINY &&
208	<	((specthresh >= 1.-FTINY \|\|
209	<	specthresh + (.05 - .1*frandom()) > nd.rspec)))
208	>	(specthresh >= 1.-FTINY \|\|
209	>	specthresh > nd.rspec))
210		nd.specfl \|= SP_RBLT;
211		/* compute refl. direction */
212		for (i = 0; i < 3; i++)
#	Line 224 \| Line 224 \| *register RAY r;**
224		nd.specfl \|= SP_TRAN;
225		/* check threshold */
226		if (specthresh > FTINY &&
227	<	((specthresh >= 1.-FTINY \|\|
228	<	specthresh +
229	<	(.05 - .1*frandom()) > nd.tspec)))
227	>	(specthresh >= 1.-FTINY \|\|
228	>	specthresh > nd.tspec))
229		nd.specfl \|= SP_TBLT;
230		if (DOT(r->pert,r->pert) <= FTINY*FTINY) {
231		VCOPY(nd.prdir, r->rdir);

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