GameObjects and components

In Unity, every object in your scene will be a GameObject. A GameObject in itself isn't much other than a container for holding a list of Components. Components are the individual properties that make a GameObject unique. When a GameObject is selected, you can view each of its Components from its Inspector.

The most basic GameObject is an empty GameObject, which will contain no components other than a Transform. The Transform component is essential to each GameObject, as it allows it to have a physical location, rotation, and scale in the scene, as shown in the following screenshot:

You can create other types of GameObjects by selecting from a list of possible GameObject, starting with and empty one and adding individual components, or adding components to a provided GameObject.

Since we are working in 2D, the majority of our GameObjects will be a Sprite GameObject.

Sprite GameObjects

To create a Sprite GameObject, select Create | 2D Object | Sprite, as shown in the...