XNA 4.0 Game Development by Example Beginner's Guide

Time for action – creating the Camera class

1. Add a new class called "Camera" to the Robot Rampage project.
2. Add the following using directive to the class:

   using Microsoft.Xna.Framework;

3. Modify the declaration of the Camera class to make the class public and static:

   public static class Camera

4. Add declarations to the Camera class:

   #region Declarations
   private static Vector2 position = Vector2.Zero;
   private static Vector2 viewPortSize = Vector2.Zero;
   private static Rectangle worldRectangle = new Rectangle(0, 0, 0, 0);
   #endregion

5. Add properties to the Camera class to access and modify the underlying members:

   #region Properties public static Vector2 Position { get { return position; } set { position = new Vector2( MathHelper.Clamp(value.X, worldRectangle.X, ...