Virtual Reality in Unity (Project Setup)

Computer Graphics for Virtual

and Augmented Reality

Lecture 03 – Virtual Reality in Unity

(Project Setup)

Edirlei Soares de Lima

<edirlei.lima@universidadeeuropeia.pt>

Virtual Reality in Unity

•

Unity XR system offers support for Virtual Reality (VR), Mixed

Reality (MR), and Augmented Reality (AR).

Project Setup

•

Setup a new VR Project in Unity:

1

2

. Create new 3D Project.

. Install the "XR Plugin Management" in the Package Manager

Window -> Package Manager).

. Install the "XR Interaction Toolkit" in the Package Manager (Window

(

3

-

•

> Package Manager).

Add the package by name: com.unity.xr.interaction.toolkit

•

Import the samples: Input Actions and Simulator

4. Open the Project Settings (Edit -> Project Settings) and select the XR

Plug-in Management.

5. Select a Plug-in Provider to enable it for the corresponding build

target.

XR Device Simulator

•

The XR Device Simulator is a tool of the XR Interaction Toolkit.

–

It handles mouse and keyboard input from the user and uses it to

drive simulated XR controllers and an XR head-mounted display.

–

The new input system is required.

XR Device Simulator

•

Setup the Simulator:

1. Drag and drop the XR Device Simulator prefab in the scene.

2

. Enable the default controller actions: “XRI Default Left Controller”

and “XRI Default Right Controller”.

3

4

5

6

. Open the Project Settings and select Present Manager. Then, name

the controller presents "Left" and "Right“.

. Create an XR Rig in the scene: GameObject -> XR -> XR Origin.

•

The action will be automatically assigned in the XR Controllers.

. Add an Input Action Manager component to the XR Origin

GameObject.

. Add an action asset in the Input Action Manager component and

select the asset "XRI Default Input Actions".

XR Device Simulator – Controls

•

HMD:

–

RIGHT CLICK + MOUSE MOVE: Moves the HMD (X and Y)

RIGHT CLICK + MOUSE SCROLL: Moves the HMD (Z)

LEFT CTRL + RIGHT CLICK + MOUSE MOVE: Rotates the HMD

Left Hand:

–

LEFT SHIFT + MOUSE MOVE: Moves the left hand (X and Y)

LEFT SHIFT + MOUSE SCROLL: Moves the left hand (Z)

LEFT SHIFT + LEFT CTRL + MOUSE MOVE: Rotates the left hand

LEFT SHIFT + G (hold): grabs an object with left hand

•

Right Hand:

–

SPACE + MOUSE MOVE: Moves the right hand (X and Y)

SPACE + MOUSE SCROLL: Moves the right hand (Z)

SPACE + LEFT CTRL + MOUSE MOVE: Rotates the right hand

SPACE + G (hold): grabs an object with right hand