Verbesserung des Memory-Management im Spiel

game/src/BulletManager.cpp

game/src/BulletManager.hpp

game/src/BulletObject.cpp

game/src/BulletObject.hpp

game/src/DynamicObject.cpp

game/src/DynamicObject.hpp

game/src/Enemy.cpp

game/src/Enemy.hpp

game/src/EnemyManager.cpp

game/src/EnemyManager.hpp

game/src/GameObject.cpp

game/src/GameObject.hpp

game/src/GameWindow.cpp

game/src/GameWindow.hpp

game/src/Player.cpp

game/src/Player.hpp

game/src/SDLApplication.cpp

game/src/StaticObject.cpp

game/src/StaticObject.hpp

game/src/TilesheetManager.cpp