... reference to the game _game = game; // Set a random position PositionX = GameHelper.RandomNext(0, _game. Window.ClientBounds.Width); PositionY = GameHelper.RandomNext(0, _game. Window.ClientBounds.Height); ... CHAPTER 3 ■ CREATING A GAME FRAMEWORK 76 Listing 3– 17. The constructor for the BallObject class internal BallObject(MultipleObjectsGame game, Texture2D texture) : base (game, Vector2.Zero, ... Transformations 172 Applying Multiple Transformations 173 Specifying Vertex Positions 176 Drawing Multiple Objects at Different Positions 176 Drawing Primitives 178 Drawing Lines 178 Drawing...