Time for action – creating the UIWidget class

In order to build a base class for all of the game controls, perform the following steps:

1. 1. Download the 7089_07_GRAPHICSPACK.ZIP file from the book's companion website and extract its contents to a temporary folder.

2. 2. Select the two .png files (button_50px.png and Explosion.png) from the graphics package and copy them to the Windows clipboard.

3. 3. In Visual Studio, right-click on the Textures folder in the TankBattlesContent (Content) project and select Paste to add the textures to your game.

4. 4. Back in the temporary folder, select the Sphere.x file and the Sphere folder and copy them to the Windows clipboard.

5. 5. Paste these items into the Models folder in Solution Explorer.

6. 6. Right-click on the Sphere folder under Models in Solution Explorer and select Exclude from Project.

7. 7. Add a new class file called UIWidget.cs to the TankBattlesGame project.

8. 8. Add the following using declarations at the beginning of the UIWidget.cs file:

   using Microsoft.Xna...