--- a/include/shapes.h Thu May 08 09:21:25 2008 +0200 +++ b/include/shapes.h Sat May 10 14:29:37 2008 +0200 @@ -86,7 +86,7 @@ /** * list of shapes */ -typedef vector<Shape*> ShapeList; +typedef vector<const Shape*> ShapeList; /** * sphere shape