Fixed sprite size on zoom

cpp/src/sprite.hpp

@@ -25,7 +25,7 @@ public:
 
   // GetTexture cannot return pointer to const, as SDL_RenderTexture modifies it
   SDL_Texture *GetTexture() { return m_Texture.get(); }
-  WorldPos GetSize() const { return m_Size; }
+  WorldSize GetSize() const { return m_Size; }
   WorldPos GetCenter() const { return m_ImageCenter; }
 
   void LoadImage(std::string path, WorldPos image_center = WorldPos{});
@@ -33,7 +33,7 @@ public:
 private:
   static std::shared_ptr<SDL_Renderer> m_Renderer;
   std::unique_ptr<SDL_Texture, decltype(&SDL_DestroyTexture)> m_Texture;
-  WorldPos m_Size;
+  WorldSize m_Size;
   WorldPos m_ImageCenter;
   float m_TextureWidth = 0;
   float m_TextureHeight = 0;