2.5D Certification: Collectable
The next requirement is to create a collectable. This has been created before in:
For now, my collectable is a Battery:

It uses a Delegate to communicate that the Battery collided with the Player:

From the Player, it calls another Delegate to update the UI:

The UIManager updates the UI text:

We can add more collectables in this manner. However, for now, we will just use batteries.
