Now is a good time to create the starting point for our game. Go ahead and save the current scene. We are going to make a new scene that will be used as the starting point of our game. To create the new scene, you will need to select File | New Scene. Go ahead and save the scene. I called my scene Main Menu.
Now we have a clear canvas that we can work with to create our Main Menu. In the Hierarchy Window, right-click and select UI | Panel. This will create a Canvas GameObject and an EventSystem GameObject and place them in your Hierarchy window. You will notice that the Panel UI object is a child of the Canvas. All UI elements will be a child of a Canvas.
Your Hierarchy should look something like the preceding .
There are ...