text: #ifndef UTILITY_H
  #define UTILITY_H
  
  #define SAFE_RELEASE(com) if(com != nullptr){ com->Release(); com = nullptr;}
  #define SAFE_DELETE(obj) if(obj != nullptr){delete obj; obj = nullptr;}
  
  #ifndef NULL
  #define NULL 0
  #endif //NULL
  
  //#define MAC_FULLSCREEN
  
  static unsigned int SCREEN_WIDTH	= 1280;
  static unsigned int SCREEN_HEIGHT	= 720;
  
  #endif //UTILITY_H