X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Fhypersphere.h;h=48fdb8aa2b98bfeb91cee5b62c21d375ff35a247;hb=c135ff2480f4e2aaf05b0206631bb0e1b5d73fad;hp=f95ebe4182094667533e2cec0914210cb7b79337;hpb=9260eee3126731c1e6b54ce3407be757d0d71716;p=libs%2Fmath.git

diff --git a/source/geometry/hypersphere.h b/source/geometry/hypersphere.h
index f95ebe4..48fdb8a 100644
--- a/source/geometry/hypersphere.h
+++ b/source/geometry/hypersphere.h
@@ -10,6 +10,10 @@
 namespace Msp {
 namespace Geometry {
 
+/**
+A shape consisting of the points within a specific distance from the origin.
+Two- and three-dimensional cases are Circle and Sphere, respectively.
+*/
 template<typename T, unsigned D>
 class HyperSphere: public Shape<T, D>
 {
@@ -92,6 +96,7 @@ inline unsigned HyperSphere<T, D>::get_intersections(const Ray<T, D> &ray, Surfa
 			{
 				points[n].position = ray.get_start()+ray.get_direction()*x;
 				points[n].normal = normalize(points[n].position);
+				points[n].distance = x;
 			}
 
 			++n;