Further reading

• Interfaces are a great way to create groups of related functionality (with or without default implementations) that can be adopted by any class or struct. These are especially handy when you want to have a class inherit from multiple groups of functionality, which is called object composition. For more information, check out the documentation at https://learn.microsoft.com/en-us/dotnet/csharp/fundamentals/types/interfaces.
• PlayerPrefs lets you easily store preference data in string, float, or integer format between game sessions in Unity. However, this system is not encrypted, so it’s not recommended for storing sensitive information. I’d encourage you to check out the documentation for a deeper dive at https://docs.unity3d.com/ScriptReference/PlayerPrefs.html.
• ScriptableObjects are the perfect way to create data containers in your Unity projects (and we’ll use them in almost every chapter going forward), but I’d also...