book

XR Development with Unity

Name: XR Development with Unity
ISBN: 9781805128120

by Anna Braun, Raffael Rizzo

November 2023

Intermediate to advanced

284 pages

8h 21m

English

Packt Publishing

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XR Development with Unity
ContributorsAbout the authorsAbout the reviewers
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownloading the example code filesAdditional ResourcesConventions usedGet in touchShare Your ThoughtsDownload a free PDF copy of this book
Part 1 – Understanding the Basics of XR and Unity
Chapter 1: Introduction to XR and Unity
Understanding XR and its different forms (VR, AR, and MR)What is the difference between AR and MR?How did AR, VR, MR, and XR evolve?How did Unity evolve as a platform for XR development?Summary
Chapter 2: The Unity Editor and Scene Creation
Technical requirementsSetting up the Unity development environmentInstalling the Unity HubInstalling the Unity EditorLoading a sample scene as a new Unity projectChoosing the right render pipelineGetting to know the Unity Editor and its interfaceExploring the Unity interfaceUsing the Grid and Snap systemUnderstanding GameObjects and componentsUnderstanding the default new sceneAdding a colliderCreating a basic scene in Unity and adding objectsBuilding a table with primitivesChanging the appearance of the ground, table, and sphereCreating a brick wall materialUnpacking a prefabImporting from the Unity Asset StoreUnderstanding Unity’s lighting pipelineChoosing the right lighting settingsAdding lights and a skyboxExploring light and reflection probesSummary
Part 2 – Interactive XR Applications with Custom Logic, Animations, Physics, Sound, and Visual Effects
Chapter 3: VR Development in Unity
Technical requirementsWindowsmacOSLinuxWhat is VR development?Exploring the contrasts between classical and VR game developmentUnderstanding different approaches to power VR headsetsSetting up a VR project in Unity and the XR Interaction ToolkitCreating a project in Unity for VR developmentInstalling XR Plug-in Management and XR Plug-insInstalling the XR Interaction Toolkit and samplesExploring the XR Interaction Toolkit demo sceneExamining the pre-configured playerTeleportingExploring grabbable objectsInspecting different types of UI elementsInteracting via buttonsExploring gaze interactions and climbingDeploying and testing VR experiences onto different VR platforms or simulatorsInstalling the XR Device SimulatorUsing the XR Device SimulatorSetting up SteamVRSetting up OculusSummary
Chapter 4: AR Development in Unity
Technical requirementsUnderstanding the AR landscapeWhat types of AR experiences exist?What are marker-based and markerless AR?Understanding AR input types for interactionPopular AR toolkits for UnitySetting up an AR project in Unity using AR FoundationUnderstanding AR Foundation’s architectureCreating an AR project with Unity’s AR templateChanging the project settingsUnderstanding the AR Session GameObjectExploring the AR Session Origin GameObjectPlacing a simple cube into the AR sceneImplementing plane detection in AR FoundationImplementing touch inputs and anchorsTesting AR experiences directly in UnityInstalling AR Foundation 5.0 or later versions and related packagesChoosing an environment and testing the sceneDeploying AR experiences onto mobile devicesDeploying onto AndroidDeploying onto iOSSummary
Chapter 5: Building Interactive VR Experiences
Technical requirementsBuilding interactive VR experiences without codeImporting cars from the Asset StoreAdding the player, teleport anchors, and button to the sceneInteractable events that can be triggeredUnderstanding animations and animator systemsAnimating a 360-degree car rotationScaling a police carBuilding interactive VR experiences with C#Understanding when to use C# for animations and interactionsUnderstanding scripting with C# in UnityScaling a bus using a slider and C#Summary
Chapter 6: Building Interactive AR Experiences
Technical requirementsUnderstanding the design patterns and core components of an interactive AR applicationBuilding the foundation of our AR menu applicationDefining the key components of our AR applicationSetting up the environmentDesigning 3D food modelsAdding UI buttons and text elements to our AR menu applicationAdding interactivity to our AR menu applicationAdding the Food script to the sceneAdding the ARPlacePrefab script to the sceneAdding the SwapPrefab script to the sceneSetting up On Click events for the buttonsExploring the completed, interactive AR menu application on a mobile deviceSummary

Chapter 7: Adding Sound and Visual Effects
Technical requirementsUnderstanding sound theory and Unity’s audio systemWhat are frequency and amplitude?Understanding other properties of soundExploring Unity’s audio systemPreparing the VR drum scene and adding sound effectsSetting up and preparing your VR drum sceneCreating and importing 3D models for your VR drum sceneAdding sound effects to your VR drum sceneUnderstanding particle behavior and Unity’s particle systemUnderstanding the behavior of particles in the real worldExploring Unity’s Particle SystemAdding particles to VR scenes with varying propertiesInitializing a Particle System in your VR drum sceneModifying the properties of the Particle System in your VR drum sceneScripting fog appearance on collision for your VR drum sceneSummary
Part 3 – Advanced XR Techniques: Hand-Tracking, Gaze-Tracking, and Multiplayer Capabilities
Chapter 8: Building Advanced XR Techniques
Technical requirementsAdding hand-tracking to XR experiencesUnderstanding hand-tracking and potential use casesImplementing hand-tracking with the XR Interaction ToolkitInteracting with objects in XR experiences via eye- or head-trackingUnderstanding eye-tracking and potential use casesSetting up an XR scene to support eye- and head-trackingInteracting with objects via eye and head gaze using the XR Interaction ToolkitBuilding a VR multiplayer applicationUnderstanding multiplayer applications and multiplayer networking systemsSetting up PUN for our VR multiplayer gameConnecting to the server via Network ManagerTesting the multiplayer scene from one deviceUsing scripts to display our avatar’s hands and faceAnimating the hand modelsEnabling the hand animations at runtimeSummary
Chapter 9: Best Practices and Future Trends in XR Development
Exploring current and future trends in XR technology and applicationsLearning in new realities – XR in educationXR in industrial settings and smart manufacturingBridging the gap from real bodies to virtual worlds – XR in healthcareGaming across realities – XR trends in gamingLearning the best practices for XR developmentHardware considerations in XR developmentUnderstanding your audienceEfficient project management for XREnsuring a good user experienceInput devicesOther useful toolkits and plugins for XR developmentExploring powerful AR toolkits from the Unity Asset StoreExploring powerful VR toolkits from the Unity Asset StoreExploring powerful AI toolkits from the Unity Asset StorePrototyping XR applicationsSummary
Index
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Overview

Take your first steps into the exciting world of XR with 'XR Development with Unity.' This beginner-friendly guide empowers you to build immersive virtual, augmented, and mixed reality applications using Unity. You'll explore cutting-edge features like hand tracking and multiplayer interaction while learning how to develop and deploy XR projects, all without requiring high-end hardware.

What this Book will help me do

Understand the Unity editor and XR tools like the XR Interaction Toolkit and AR Foundation.
Learn to build immersive virtual, augmented, and mixed reality scenes step-by-step.
Develop interactive elements and deploy them on devices like VR headsets and mobile.
Master advanced techniques like hand and gaze tracking through practical examples.
Create a complete XR project from scratch, focusing on real-world utility and engagement.

Author(s)

Anna Braun and Raffael Rizzo are experienced XR developers passionate about mixed reality applications. Anna specializes in accessible VR projects, and Raffael brings his expertise in Unity programming to the table. Together, they share practical insights for creators of all skill levels.

Who is it for?

This book is perfect for developers, students, and professionals interested in XR. It's written for those with a general programming background who want to learn to create interactive virtual and augmented reality experiences. Whether you're eager to explore a new field or deepen your existing Unity skills, this comprehensive guide is tailored for you.

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