Time for action – beginning the Camera class

1. 1. Add a new class to the Cube Chaser project by right-clicking on the project in Solution Explorer and selecting Add | Class....

2. 2. Ensure that the Visual C# | Code is selected under Installed Templates and select the Class template.

3. 3. Enter Camera.cs as the name of the class file.

4. 4. Add the following using directive to the top of the Camera.cs file:

   using Microsoft.Xna.Framework;

5. 5. Add the following fields and properties to the Camera class:

   #region Fields
   private Vector3 position = Vector3.Zero;
   private float rotation;
   #endregion
   
   #region Properties
   public Matrix Projection { get; private set; }
   #endregion

6. 6. Add a constructor for the Camer a class:

   #region Constructor
   public Camera(
       Vector3 position, 
       float rotation, 
       float aspectRatio, 
       float nearClip, 
       float farClip)
   {
       Projection = Matrix.CreatePerspectiveFieldOfView(
           MathHelper.PiOver4, 
           aspectRatio, 
           nearClip, 
           farClip);
       MoveTo(position...