From 2820d029004ad603157cf819b5cfd17870cae86e Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Sun, 9 Jun 2013 12:13:13 -0400 Subject: Don't normalize normal vectors unnecessarily. --- libdimension/cone.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'libdimension/cone.c') diff --git a/libdimension/cone.c b/libdimension/cone.c index ec230a6..f1536e2 100644 --- a/libdimension/cone.c +++ b/libdimension/cone.c @@ -1,5 +1,5 @@ /************************************************************************* - * Copyright (C) 2009-2011 Tavian Barnes * + * Copyright (C) 2009-2013 Tavian Barnes * * * * This file is part of The Dimension Library. * * * @@ -67,9 +67,7 @@ dmnsn_cone_intersection_fn(const dmnsn_object *cone, dmnsn_line l, if (t >= 0.0 && p.y >= -1.0 && p.y <= 1.0) { double r = ((r2 - r1)*p.y + r1 + r2)/2.0; - dmnsn_vector norm = dmnsn_vector_normalized( - dmnsn_new_vector(p.x, -r*(r2 - r1)/2.0, p.z) - ); + dmnsn_vector norm = dmnsn_new_vector(p.x, -r*(r2 - r1)/2.0, p.z); intersection->t = t; intersection->normal = norm; return true; -- cgit v1.2.3