Extending the editor
Now that we have the basic functionality of our game set up, let's look at some interesting things we can do to make further development easier.
Everyone who uses Unity knows about the editor. It's the core place where you will spend a great deal of time putting your game together. You will spend the rest of your time in your code editor, patching things together, adding values, and working around with what most see as limitations of the editor itself. This, however, is not the case.
The people at Unity realized early that they couldn't do everything, since everyone wanted something different or little tweaks here and there; if they had tried to do everything, nothing would have ever left their doors.
So, from the ground up, Unity was designed to be extensible, and they exposed much of what is needed to build your own editor in effect within Unity itself.
If you browse the Asset Store (https://www.assetstore.unity3d.com/), you will see a lot of assets that...