1 files changed, 8 insertions, 7 deletions

diff --git a/src/graphics/animation.h b/src/graphics/animation.h
index 9f5dfa5..503b75d 100644
--- a/src/graphics/animation.h
+++ b/src/graphics/animation.h
@@ -21,20 +21,21 @@ namespace Graphics{
             ~Animation();
             Animation(const sf::Texture& texture, int count, int switchTime,
                     int height, int width, int row);
-            sf::IntRect& next(int deltaTime);
-            void reset();
+            virtual sf::IntRect& next(int deltaTime);
+            virtual void reset();
+            virtual bool finished();
     };
 
-    class OneShotAnimation : Animation {
+    class OneShotAnimation : public Animation {
         public:
             OneShotAnimation();
             OneShotAnimation(const sf::Texture& texture, int count, int
                     switchTime, int height, int width, int row);
-            bool finished();
-            sf::IntRect& next(int deltaTime);
+            sf::IntRect& next(int deltaTime) override;
+            bool finished() override;
     };
 
-    class BouncingAnimation : Animation{
+    class BouncingAnimation : public Animation{
         private:
             bool up_;
         public:
@@ -42,7 +43,7 @@ namespace Graphics{
             BouncingAnimation(const sf::Texture& texture, int count, int
                     switchTime, int height, int width, int row);
             ~BouncingAnimation();
-            sf::IntRect& next(int deltaTime);
+            sf::IntRect& next(int deltaTime) override;
     };
 }
 #endif // GRAPHICS_ANIMATION_H