Creating a picture-in-picture effect

Having more than one viewport displayed can be useful in many situations. For example, you may want to show simultaneous events going on in different locations, or you may want to have a separate window for hot-seat multiplayer games:

Getting ready

This recipe adds to the scene created in the first recipe of this chapter, so make a copy of that project folder and do your work for this recipe with that copy.

How to do it...

To create a picture-in-picture display, just follow these steps:

1. Add a new Camera to the scene named Camera-pic-in-pic. Choose menu:Create | Camera.
2. In the Inspector, for the Camera component, set the Depth property to 1.
3. Uncheck or remove the camera's Audio Listener component, since there should only be one active Audio Listener in a Scene.
4. Create a new C# script-class named PictureInPicture, and add an instance-object as a component to the Camera-pic-in-pic GameObject:

    using UnityEngine;
     public class PictureInPicture : MonoBehaviour...