Scripting is one of the most crucial elements in becoming a games developer. While Unity is fantastic at allowing you to create games with minimal knowledge of game engine source code, you will still need to understand how to write code that commands the Unity engine. Code written for use with Unity draws upon a series of ready-built classes, which you should think of as libraries of instructions or behaviors. By writing scripts, you will create your own classes by drawing upon commands in the existing Unity engine.
In this book, we will primarily focus on writing scripts in Unity's JavaScript, as it is the easiest language to get started with and is the main focus of Unity's scripting reference documentation. While this book will introduce you to the basics of scripting, it is highly recommended that you read the Unity Scripting Reference in parallel to it, and this is available as part of your Unity installation, and also online at:
