Firstly, we are going to create many new methods in the MainPage class for creating the sprites using the SpriteWrapper subclasses, animate them, and control some of their actions. Then, we will be able to write a complex game loop:
1. Stay in the
SilverlightInvaders2DVectorproject.2. Open
MainPage.xaml.csand add the following lines to defineprivatevariables in thepublic partial class MainPage : UserControl:// The aliens private List<AlienWrapper> _aliens; // The total number of tents private int _totalTents = 4; // The total number of rows and cols for the aliens private int _totalRows = 5; private int _totalCols = 11; // The four tents private List<TentWrapper> _tents; // The ship private ShipWrapper _ship; // The aliens' row height private double _rowHeight = 75; // The aliens' col width private double _colWidth = 75; // Holds the time when the method finished rendering a frame private DateTime _LastTick; // The upper...