Book Image

Unity3D UI Essentials

By : Simon Jackson
Book Image

Unity3D UI Essentials

By: Simon Jackson

Overview of this book

<p>Unity is a powerful cross-platform development engine that provides rich framework to create 2D and 3D apps or games. Through Unity3D, users are able take master the complexities of game development with ease, including animations, physics, renderings, shaders, scripting and now, Unity have released a new and advanced system to cope with the UI demands for modern applications and games.</p> <p>Unity 3D UI Essentials is a complete walk-through of the new UI system in Unity V4 and beyond (including Unity 5). This fast-paced practical tutorial provides you with in depth details of the new UI controls and layouts that can be used to create stunning and multiresolution UI.</p> <p>Venture forth into the highly componentized and advanced UI system, covering new features such as responsive designs and layouts. Also you get to deep-dive into the scripting side of the UI system as Unity has made the entire framework open source, giving free access to the source code of the new UI system to all developers.</p> <p>So get ready for a wild ride into the new Unity3D UI system and set your course for awesome!</p>

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Unity3D UI Essentials
Simon Jackson
Jan, 2015 | 280 pages
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Table of Contents (14 chapters)
Unity 3D UI Essentials
Unity 3D UI Essentials
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Looking Back, Looking Forward
Looking Back, Looking Forward
State of play
The Asset Store
Enter Thunderdome
Summary
2
Building Layouts
Building Layouts
The Rect Transforms
Automatic layouts and options
Resolution and scaling
The UnityEvent system
Summary
3
Control, Control, You Must Learn Control
Control, Control, You Must Learn Control
Overview
Dealing with text
Bring on the images
Don't push this button
Which direction to travel?
Sliding opportunities
Ancient scrolls
Navigation
A word on shaders
Summary
4
Anchors Away
Anchors Away
Dropping Anchor
Put a nail in it, and trim the sails
Stretch it, bend it
Scaling and resolution
Summary
5
Screen Space, World Space, and the Camera
Screen Space, World Space, and the Camera
The Canvas and Cameras
Getting some perspective
Setting up for the big game
A Screen Space – Camera health bar
Going deep
Summary
6
Working with the UI Source
Working with the UI Source
Unravelling the Event System
Working with events
Examples, examples, and even more examples
Getting access to the source
Summary
The 3D Scene Sample
The 3D Scene Sample
Setting up for the big game
Index
Index

Resolution and scaling

Since there has been a UI and the need to display on more than one type of screen (basically since the days of arcade when you knew what you were running on), there has always been the challenge how to best design and implement a good UI that will work on any resolution, especially in Unity!

Note

We will just cover the basics in this section, and full examples will be given in Chapter 4, Anchors Away when we cover building responsive layouts with Anchors.

To answer this call with the new Unity UI system, Unity has created a resolution scaling component that is attached to a Canvas by default in order to control the resolution-based drawing of the GameObjects and components within; this component is called the Canvas Scaler.

The Canvas Scaler has several modes of operation that alter how the Canvas is scaled when drawn to the screen:

  • Constant Pixel size

  • Scale with Screen Size

  • Constant Screen Size

Tip

The Canvas Scaler script shows some interesting ways to write a script...

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