X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Fhalfspace.h;h=b439851bd5adaf3a7067c7f91f5bf8308bb01166;hb=7919982691f0b8c69d8bef1bf6471b1e7a312163;hp=4adc0dff45694726f399b7a07a3afff0cedcdb2c;hpb=5bcf5a18cda4d712ca177f4ad43fea690f31e6f9;p=libs%2Fmath.git

diff --git a/source/geometry/halfspace.h b/source/geometry/halfspace.h
index 4adc0df..b439851 100644
--- a/source/geometry/halfspace.h
+++ b/source/geometry/halfspace.h
@@ -7,8 +7,8 @@ namespace Msp {
 namespace Geometry {
 
 /**
-An infinite shape consisting of the space on one side of a plane.  Mostly
-useful when composited with other shapes.
+An unbounded shape consisting of the space on one side of a plane.  Mostly
+useful when intersected with other shapes.
 */
 template<typename T, unsigned D>
 class HalfSpace: public Shape<T, D>
@@ -76,6 +76,7 @@ inline unsigned HalfSpace<T, D>::get_intersections(const Ray<T, D> &ray, Surface
 			points[0].position = ray.get_start()+ray.get_direction()*x;
 			points[0].normal = normal;
 			points[0].distance = x;
+			points[0].entry = (c<T(0));
 		}
 
 		return 1;