X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Ftransformedshape.h;h=10789ed1e15bb2db2227b6d5e1fe1f12c5adfaca;hb=93e7cf250208c36befb4b1a7337f5302c0e1da54;hp=9a98f3139d85ef56edcd3fcdb1d8ab47116b6fee;hpb=6ff13022b53830d35283905d562c2ef3af198cc1;p=libs%2Fmath.git

diff --git a/source/geometry/transformedshape.h b/source/geometry/transformedshape.h
index 9a98f31..10789ed 100644
--- a/source/geometry/transformedshape.h
+++ b/source/geometry/transformedshape.h
@@ -9,7 +9,7 @@ namespace Msp {
 namespace Geometry {
 
 template<typename T, unsigned D>
-class TransformedShape
+class TransformedShape: public Shape<T, D>
 {
 private:
 	Shape<T, D> *shape;
@@ -26,6 +26,7 @@ public:
 	const Shape<T, D> &get_shape() const { return *shape; }
 	const AffineTransformation<T, D> &get_transformation() const { return transformation; }
 
+	virtual HyperBox<T, D> get_axis_aligned_bounding_box() const;
 	virtual bool check_intersection(const Ray<T, D> &) const;
 };
 
@@ -46,7 +47,7 @@ inline TransformedShape<T, D> &TransformedShape<T, D>::operator=(const Transform
 {
 	delete shape;
 	shape = other.shape->clone();
-	transformation = other.transformation();
+	transformation = other.transformation;
 }
 
 template<typename T, unsigned D>
@@ -61,6 +62,13 @@ inline TransformedShape<T, D> *TransformedShape<T, D>::clone() const
 	return new TransformedShape<T, D>(*this);
 }
 
+template<typename T, unsigned D>
+inline HyperBox<T, D> TransformedShape<T, D>::get_axis_aligned_bounding_box() const
+{
+	// XXX This is not correct for most shapes
+	return shape->get_axis_aligned_bounding_box();
+}
+
 template<typename T, unsigned D>
 inline bool TransformedShape<T, D>::check_intersection(const Ray<T, D> &ray) const
 {