X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Fnegation.h;h=d90c4deb5a7de767b2f36cb0ed165d53f8a5c851;hb=a29d2c17ca70a3ed5df1e863c92ccd851d5dba6b;hp=ce2f7873d6aed3eeff7304e67abe7598b5c274c7;hpb=54f265afb8a9f27a05a287116379e6f829560e6c;p=libs%2Fmath.git

diff --git a/source/geometry/negation.h b/source/geometry/negation.h
index ce2f787..d90c4de 100644
--- a/source/geometry/negation.h
+++ b/source/geometry/negation.h
@@ -30,6 +30,7 @@ public:
 	virtual bool contains(const LinAl::Vector<T, D> &) const;
 	virtual unsigned get_max_ray_intersections() const { return shape->get_max_ray_intersections(); }
 	virtual unsigned get_intersections(const Ray<T, D> &, SurfacePoint<T, D> *, unsigned) const;
+	virtual Coverage get_coverage(const BoundingBox<T, D> &) const;
 };
 
 template<typename T, unsigned D>
@@ -79,10 +80,25 @@ inline unsigned Negation<T, D>::get_intersections(const Ray<T, D> &ray, SurfaceP
 {
 	unsigned count = shape->get_intersections(ray, points, size);
 	for(unsigned i=0; i<count; ++i)
+	{
 		points[i].normal = -points[i].normal;
+		points[i].entry = !points[i].entry;
+	}
 	return count;
 }
 
+template<typename T, unsigned D>
+inline Coverage Negation<T, D>::get_coverage(const BoundingBox<T, D> &bbox) const
+{
+	Coverage coverage = shape->get_coverage(bbox);
+	if(coverage==FULL_COVERAGE)
+		return NO_COVERAGE;
+	else if(coverage==NO_COVERAGE)
+		return FULL_COVERAGE;
+	else
+		return PARTIAL_COVERAGE;
+}
+
 } // namespace Geometry
 } // namespace Msp