From 07a1aaf95d6a9e7e0ade2a10cc4e4b7f91486f98 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 19 May 2013 19:27:22 +0300
Subject: [PATCH] TransformedShape should derive from Shape

---
 source/geometry/transformedshape.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/source/geometry/transformedshape.h b/source/geometry/transformedshape.h
index 9a98f31..10af1e7 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;
 };
 
@@ -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
 {
-- 
2.45.2