world.setSystem(new SoundSystem());
world.setSystem(new HealthSystem());
world.setSystem(new PhysicsSystem());
world.setSystem(new ExpirationSystem());
world.setSystem(new PlayerTankTowerSystem(container));
world.setSystem(new PlayerTankMovementSystem(container));
world.setSystem(new BoundarySystem(0, 0, 4096, 4096));
world.setSystem(new CameraSystem(container));
world.setSystem(new AmmoRegenerationSystem());