Paris Buttfield-Addison & Jon Manning 
Unity Game Development Cookbook [PDF ebook] 
Essentials for Every Game

Discover how to use the Unity game engine to its full potential for both 3D and 2D game developmentfrom the basics of scripting to useful tricks in gameplay, behavior, and animation. With this problem-solving cookbook, youll get started in two ways:First, youll learn about the Unity game engine through brief recipes that teach specific features of the software and scripting systems.Second, youll apply a collection of snippets to address common gameplay scenarios, such as properly keeping score.Using our cookbook format, we pinpoint the problem, set out the solution, and discuss how to solve your problem in the best and most straightforward way possible. This book is ideal for beginning to intermediate Unity developers.Youll find solutions for:2D and 3D graphics Math, physics, and character control Animation and movement Behavior and AISound and music Input and gameplay Scripting and user interface