Unity® Virtual Reality Development with VRTK4: A No-Coding Approach to Developing Immersive VR Experiences, Games, & Apps

Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Chapter 1: Introduction
	A No-Coding Approach to VR Development
	Two Ways to Approach the Material Covered in This Book
	Advantages of VRTK over Alternative Solutions
	Summary
Chapter 2: A New Reality through Virtual Reality
	What Is Virtual Reality?
	Become a VR pioneer now, and create the future!
	What Can You Do with VR?
		Medical and Mental Health
		Automotive Engineering and Design
		Training and Education
		Architecture, Construction, and Real Estate
		Entertainment and Journalism
		Advertising and Retail
		Gaming in VR
	Immersion and Presence in VR
		Place Illusion
		Plausibility Illusion
		Embodiment Illusion
	VR Hardware and Technology
		Input Controllers
		3DOF
		6DOF
	Summary
Chapter 3: Setting Up Your Project for VR Development
	VR Hardware Prerequisites
	Unity Prerequisites and Oddities
	Setting Up Your VR project
	Importing the Unity Package File
	Exploring the XR Plugin Management for Unity
	Importing the Oculus Integration SDK
	Choosing Player Settings within Unity
	Summary
Chapter 4: Importing VRTK 4 Tilia Packages
	Importing Version 4 of VRTK
	Unity’s Package Manager and VRTK 4 Tilia Packages
	Exploring the “Packages” Folder
	Summary
Chapter 5: Setting Up VRTK’s Camera Rigs
	Setting Up Individual Camera Rigs
		Setting Up the Unity XR Camera Rig
		Setting Up the Oculus Camera Rig
		Setting Up the Spatial Simulator
		Setting Up the Tracked Alias
	Configuring the VRTK’s Tracked Alias
		Hooking Camera Rigs to the Tracked Alias
	Test using the Spatial Simulator
	Universal Camera Rig
	Configuring the Oculus OVR Camera Rig
	Testing Spatial Movement Using a VR Headset
	Summary
Chapter 6: Setting Up Interactors and Virtual Hands
	Interactors versus Interactables
	Setting up Interactors on Controllers
		Testing Out Your New Cuboid Avatar Interactors
	Setting Up Realistic Animated Virtual Hands
		Animated Hands for Camera Rigs Oculus Integration
		Playtesting Your Scene Using Your Oculus Headset
		Animated Hands for Unity XR and Spatial Simulator Camera Rigs
		Playtesting the Scene Using Your VR Headset
		Animating Custom Prototype Hands
			Capturing the Grip, Mouse, or Bumper Button Input
			Playtesting the Grab and Release Hand Animations
			Capturing Thumbstick and Keyboard Input
			Playtesting Teleporting Hand Animation
	Summary
Chapter 7: Configuring Interactor Functionality and Setting Up Velocity Trackers
	Setting Up the Grab Action Property on Interactors to Enable Grabbing
	Setting Up an Interactable Object
	Exploring the Example Avatar Cuboid Object
	Testing Your Hand Proto Left and Hand Proto Right Game Objects
	The Grab Mechanism with Oculus-Provided Hands
	Setting Up the Example Avatar Object
	Setting Up Velocity Trackers
	Summary
Chapter 8: Interactable Game Objects
	Picking Up Objects
	The Follow Tracking Property
	Picking Up an Interactable Object Using Precise Grab Points
	Custom Pickup Placements
	Adding Secondary Grab Actions to Interactable Objects
		Swapping Objects between Hands with a Secondary Grab Action
		Performing a Two-Handed Grab with a Secondary Grab Action
		Scaling an Interactable Object with a Secondary Grab Action
	Creating a Unity Layer for Interactable Objects
	Summary
Chapter 9: Moving Around the Virtual World: Teleportation
	Teleport Locomotion
		Capturing Inputs to Trigger Teleportation
		Setting Up a Curved Teleport Pointer
		Setting up a Teleporter for Instant Teleportation
		Setting Up a Teleporter for Dash Teleportation
		Rotating Around Within the Virtual World
			Playing Animation When the Left Thumbstick Is Flicked
			Rotating Using an Arrow Pointer
	Unity’s NavMesh-Based Teleportation
	Teleporting Using Teleport Targets
	Summary
Chapter 10: Seamless Locomotion
	Capturing Horizontal and Vertical Axis Input
	Strafing Movement
	Free Movement Smooth Rotation
	Free Movement Snap Rotation
	Free Movement Warp Snap Rotation
	Summary
Chapter 11: Arm-Swinging Movement
	Move in Place Locomotion
		Capturing Thumbstick Touch Input
		Setting Up the Move in Place Locomotion
	Summary
Chapter 12: Setting Up a Pseudo-Body
	Advantages of Having a Pseudo-Body
	Pseudo-Body Setup
	Implementing a Rollback Mechanic
	Fading the Headset View to Black on Collision
	Summary
Chapter 13: Climbing in VR
	Climbing Mechanic Requirements
	Setting Up the Climbing Controller
	Making the Containers Climbable
	Making the Ladder Climbable
		Deactivating Untouched Events on Climbable Game Objects
		Summary
Chapter 14: Movement Amplifier
	Movement Amplifier Setup
	Testing Amplified Movement
	Summary
Chapter 15: Distance Grabbing
	Prerequisites for Distance Grabbing
	Setting Up the Distance Grabber
	Setting Up a Telekinesis Grab
	Setting Up a straight pointer to Grab Interactable Objects
	Changing the Straight Pointer’s Grabbing Distance
	Activating and Deactivating the Distance Grabber
	Automatically Deactivating the Distance Grabber
	Summary
Chapter 16: Snap Zones
	Importing the Tool Holder UI Package and Setting Up Two New Work Tools
	Making the Hammer and Axe Interactable
	Setting Up a Tool Holder Snap Zone
	Setting Up Tooltips for Your Tool Holder Snap Zones
	Setting Up Rules to Restrict the Entry of Interactable Objects into Snap Zones
	Setting Up Holsters That Move Around with the Player
	Summary
Chapter 17: Creating Spatial 3D User Interface Game Objects
	Setting Up a Straight Menu Pointer
	Setting Up Clickable Spatial 3D Buttons
	Setting Up a Spatial Button Group
	Changing the Appearance of Your Spatial Button
	Creating a Spatial Toggle Button
	Creating Spatial Option Buttons
	Interacting Directly with VRTK’s Spatial Buttons
	Creating a Spatial Slider
	Hacking Your Straight Spatial Menu Pointer to Interact with Your Slider
	Summary
Chapter 18: Using Unity’s UI Controls with the VRTK
	Downloading and Importing Unity Package Files
	Setting Up the UI Elements 2D Skeletal Menu
	Setting Up a Straight 2D UI Menu Pointer
	Having the 2D UI Menu Pointer Interact with the 2D UI Menu System
	Summary
Chapter 19: Angular Drives
	Setting Up a Steering Wheel
	Setting Up a Door
	Setting Up a Lever
	Angular Joint Drive and Logic Objects
	Summary
Chapter 20: Linear Drives
	Setting Up a Drawer
	Setting Up a Push Button
	Summary
Chapter 21: Tips, Tricks, and Recipes
	Adding Realistic Physical Hands
	Obtaining Haptic Feedback
	Highlighting Interactable Game Objects
	Summary
Chapter 22: Minigame
	Importing the Base Unity Package
	Setting Up the VRTK Prefabs
	Enabling Obstacle Objects to Attach to the Ball
	Getting the Ball to Roll About Freely
	Spatial Tooltip to Display Countdown Timer
	Setting Up the Countdown Timer and Moment Processor
	Enhancing the Minigame
	Summary
Index