Time for action – create a new MouseFollow Script

1. In the Project panel, right-click/alternate-click on an empty chunk of space and navigate to Create | JavaScript. Alternatively, you can navigate to Assets | Create | JavaScript in the menu at the top of the screen, or use the Create button at the top of the Project panel.

2. A new Script is added to the Project panel. Name it MouseFollow.

3. Drag-and-drop your new MouseFollow Script onto your Paddle GameObject.

4. Double-click to open the Script in MonoDevelop. Just as before, we're going to add a single, simple line of code inside the curly braces (sandwich buns) of the Update function (sandwich):

       function Update () {
          transform.position.x = 2;
       }

5. Add a Rigidbody component to Paddle by navigating to Component | Physics | Rigidbody.

6. In the Inspector panel, find the Rigidbody component and check box next to Is Kinematic. The Unity manual warns against moving colliders around through code without adding a Rigidbody component because it could...