[2Ed] Chapter 21: Variables And Components
This chapter introduces you to the many variable and component types used throughout Unity C# programming. By the end of the chapter, you will understand many of the common types of C# variables and some important variable types that are unique to Unity.
This chapter also introduces you to Unity’s GameObjects and components. Any object in a Unity scene is a GameObject, and the components that comprise them enable everything from the positioning of a GameObject to physics simulation, special effects, displaying a 3D model on screen, and character animation.