You will have to refer to these layers by number in specific instances, so you may want to note the numbers that
correspond to the names you have assigned to each.
Next, you will be adding a new camera to the scene.
1. From the GameObject menu, choose Create Other and create a new Camera.
2. Name it Camera Inventory and remove its Audio Listener component.
3. In its Camera component, click the Clear Flags drop-down and select Depth Only.
4. Under Culling Mask, click Nothing.
5. Open Culling Mask again and choose the Inventory layer, as shown in Figure 13-2.