From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 2 Jul 2016 15:36:04 +0000 (+0300)
Subject: Minor fixes
X-Git-Url: http://git.tdb.fi/?p=libs%2Fmath.git;a=commitdiff_plain;h=65b26478a62b8d715ec415164fff25fafcb35fc1

Minor fixes
---

diff --git a/source/geometry/extrudedshape.h b/source/geometry/extrudedshape.h
index a62aa9a..78dfa49 100644
--- a/source/geometry/extrudedshape.h
+++ b/source/geometry/extrudedshape.h
@@ -116,7 +116,7 @@ inline unsigned ExtrudedShape<T, D>::get_intersections(const Ray<T, D> &ray, Sur
 	{
 		T offset = T();
 		T limit = T();
-		if(ray.get_direction()[D-1]!=T(0))
+		if(ray_direction[D-1]!=T(0))
 		{
 			offset = (half_length-ray_start[D-1])/ray_direction[D-1];
 			limit = (-half_length-ray_start[D-1])/ray_direction[D-1];
@@ -157,7 +157,7 @@ inline unsigned ExtrudedShape<T, D>::get_intersections(const Ray<T, D> &ray, Sur
 
 	/* If the ray is not parallel to the base space, it may pass through the
 	caps. */
-	if(n<size && ray_direction[D-1])
+	if(n<size && ray_direction[D-1]!=T(0))
 	{
 		for(int i=-1; (n<size && i<=1); i+=2)
 		{