private void LoadGameObjects()
        {
            player        = GameObjectFactory.CreatePlayer();
            zombie        = GameObjectFactory.CreateZombie();
            firstPlatform = GameObjectFactory.CreatePlatform(PlatformConstants.FIRST_PLATFORM_X,
                                                             PlatformConstants.FIRST_PLATFORM_Y,
                                                             PlatformConstants.PLATFORM_WIDTH,
                                                             PlatformConstants.PLATFORM_HEIGHT,
                                                             PlatformConstants.PLATFORM_IMAGE);
            secondPlatform = GameObjectFactory.CreatePlatform(PlatformConstants.SECOND_PLATFORM_X,
                                                              PlatformConstants.SECOND_PLATFORM_Y,
                                                              PlatformConstants.PLATFORM_WIDTH,
                                                              PlatformConstants.PLATFORM_HEIGHT,
                                                              PlatformConstants.PLATFORM_IMAGE);

            Render(firstPlatform);
            Render(secondPlatform);
            Render(player);
            Render(zombie);
        }
 private void Render(GameObject.GameObject gameObject)
 {
     Controls.Add(gameObject.PictureBox);
 }