--- ray/src/rt/glass.c	1991/05/08 08:27:46	1.7
+++ ray/src/rt/glass.c	1991/06/13 13:58:20	1.9
@@ -61,7 +61,6 @@ register RAY  *r;
 
 	if (r->rod < 0.0)			/* reorient if necessary */
 		flipsurface(r);
-	r->rt = r->rot;				/* default ray length */
 	transtest = 0;
 						/* get modifiers */
 	raytexture(r, m->omod);
@@ -88,8 +87,10 @@ register RAY  *r;
 			for (i = 0; i < 3; i++)		/* perturb direction */
 				p.rdir[i] = r->rdir[i] - r->pert[i]/RINDEX;
 			normalize(p.rdir);
-		} else
+		} else {
+			VCOPY(p.rdir, r->rdir);
 			transtest = 2;
+		}
 		rayvalue(&p);
 		multcolor(p.rcol, r->pcol);	/* modify */
 		multcolor(p.rcol, trans);