Book Image

Building an RPG with Unity 2018 - Second Edition

By : Vahé Karamian
Book Image

Building an RPG with Unity 2018 - Second Edition

By: Vahé Karamian

Overview of this book

In a role-playing game (RPG), users control a character, usually in the game's imaginary universe. Unity has become a top choice for developers looking to create these kinds of immersive RPGs. Building an RPG with Unity 2018, based on building some of the most common RPG features, teaches you tips, tricks, and techniques that can be applied to your own game. To start with, the book guides you through the fundamentals of role-playing games. You will learn the necessary aspects of building an RPG, such as structuring the game environment, customizing characters, controlling the camera, and designing other attributes such as inventory and weapons. You will also explore designing game levels by adding more features. Once you have understood the bigger picture, you will understand how to tackle the obstacles of networking in Unity and implement multiplayer mode for your RPG games. By the end of the book, you will be able to build upon the core RPG framework elements to create your own immersive games.
Table of Contents (16 chapters)
Title Page
Copyright and Credits
Packt Upsell

Inverse Kinematics

Inverse Kinematics (IK) is important in game programming. It is typically used to make the character's movement more realistic. One of the main uses of IK is the calculation of the player's feet and how they relate to the ground they are standing on.

In short, IK is used to determine the position and rotation of the joints of a character based on a given position in space. For instance, to make sure the foot of a player lands properly on the terrain it is walking on.

Unity has a built-in IK system that can be used to do some basic calculations in this regard. Let's go ahead and implement the foot IK for our character. There are a few things that you will need to set up before we can enable IK for our humanoid character.

The first thing to do is check your layer in the Animator Controller and use the Engine icon to enter the Settings window. Make sure that IK Pass is checked, as shown in the following screenshot. You will also need to provide a Mask if you have not done so...