--- ray/src/rt/normal.c	1992/01/04 23:36:42	2.3
+++ ray/src/rt/normal.c	1992/01/14 15:33:08	2.4
@@ -279,7 +279,7 @@ register NORMDAT  *np;
 	FVECT  u, v, h;
 	double  rv[2];
 	double  d, sinp, cosp;
-	int  confuse;
+	int  ntries;
 	register int  i;
 					/* set up sample coordinates */
 	v[0] = v[1] = v[2] = 0.0;
@@ -293,29 +293,30 @@ register NORMDAT  *np;
 					/* compute reflection */
 	if (np->specfl & SP_REFL &&
 			rayorigin(&sr, r, SPECULAR, np->rspec) == 0) {
-		confuse = 0;
 		dimlist[ndims++] = (int)np->mp;
-	refagain:
-		dimlist[ndims] = confuse += 3601;
-		d = urand(ilhash(dimlist,ndims+1)+samplendx);
-		multisamp(rv, 2, d);
-		d = 2.0*PI * rv[0];
-		cosp = cos(d);
-		sinp = sin(d);
-		if (rv[1] <= FTINY)
-			d = 1.0;
-		else
-			d = sqrt( np->alpha2 * -log(rv[1]) );
-		for (i = 0; i < 3; i++)
-			h[i] = np->pnorm[i] + d*(cosp*u[i] + sinp*v[i]);
-		d = -2.0 * DOT(h, r->rdir) / (1.0 + d*d);
-		for (i = 0; i < 3; i++)
-			sr.rdir[i] = r->rdir[i] + d*h[i];
-		if (DOT(sr.rdir, r->ron) <= FTINY)	/* oops! */
-			goto refagain;
-		rayvalue(&sr);
-		multcolor(sr.rcol, np->scolor);
-		addcolor(r->rcol, sr.rcol);
+		for (ntries = 0; ntries < 10; ntries++) {
+			dimlist[ndims] = ntries * 8912;
+			d = urand(ilhash(dimlist,ndims+1)+samplendx);
+			multisamp(rv, 2, d);
+			d = 2.0*PI * rv[0];
+			cosp = cos(d);
+			sinp = sin(d);
+			if (rv[1] <= FTINY)
+				d = 1.0;
+			else
+				d = sqrt( np->alpha2 * -log(rv[1]) );
+			for (i = 0; i < 3; i++)
+				h[i] = np->pnorm[i] + d*(cosp*u[i] + sinp*v[i]);
+			d = -2.0 * DOT(h, r->rdir) / (1.0 + d*d);
+			for (i = 0; i < 3; i++)
+				sr.rdir[i] = r->rdir[i] + d*h[i];
+			if (DOT(sr.rdir, r->ron) > FTINY) {
+				rayvalue(&sr);
+				multcolor(sr.rcol, np->scolor);
+				addcolor(r->rcol, sr.rcol);
+				break;
+			}
+		}
 		ndims--;
 	}
 					/* compute transmission */