X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fobject%2Frock.hpp;h=099d7caced33b8dc9c892a055e16dc4c97087e38;hb=4587bd9c8fc5cbb20f1e442de76bc06571ab56ba;hp=fb1fb0ca06afa45c6402970ab1d9657f7c16a5bf;hpb=7e8b3b067e71c7467fba587438c1bf7259f7ae6e;p=supertux.git

diff --git a/src/object/rock.hpp b/src/object/rock.hpp
index fb1fb0ca0..099d7cace 100644
--- a/src/object/rock.hpp
+++ b/src/object/rock.hpp
@@ -28,7 +28,7 @@
 
 class Sprite;
 
-class Rock : public MovingSprite, public Portable, public Serializable
+class Rock : public MovingSprite, public Portable, protected UsesPhysic, public Serializable
 {
 public:
   Rock(const lisp::Lisp& reader);
@@ -43,10 +43,9 @@ public:
   void grab(MovingObject& object, const Vector& pos, Direction dir);
   void ungrab(MovingObject& object, Direction dir);
 
-private:
+protected:
   bool on_ground;
   bool grabbed;
-  Physic physic;
   Vector last_movement;
 };