Introductory VR in Unity 3d

Dr James Birt

Requirements• Unity 5.3 or higher• Oculus runtime 0.8 installed

Create new Project

Enable VR Mode

Simple Test – View a Cube

Press Play - if everything is setup correctly you should see a cube through your VR headset

FPS Controller

• Open Unity3d Asset Store• Type first person controller – Press Enter• Click FREE ONLY• Click Standard Assets• Download• In the Import Window Select None - then

Select FirstPersonCharacter; CrossPlatformInput; Utility & click Import

FPS Controller

• Drag FPSController Prefab into Hierarchy• Remove Main Camera from Hierarchy• Add a 3D Plane to the Scene• Create a contrasting material color for your cube and apply• Position Cube; Controller and Plane in the scene• Press Play• Using your Keyboard and Mouse you can now walk around the

game scene

Optimising for Framerates & Quality• Select Project Settings – Quality• Select Simple and change Anti

Aliasing to 4x Multi Sampling• Anti Aliasing is very important in

VR and where possible should be enabled

• Increase Default Render Scale from 1.0 to 1.5 which increases object sharpness – see next slide

• Avoid Dynamic Lighting where possible – best to bake lights

How to Increase Render Scale• Create new C# file called RenderScale• Add the following code and attach script to FPSController• Code is from Unity Getting Started Tutorial - http://tinyurl.com/j2elrjt

If Dynamic Sun Required!• Click Windows – Lighting• Add Directional Light to the Sun• Ambient GI – Baked• Create C# Script – AutoIntensity• Add the following modified code

from Glen Rhodes tutorial on realtime day night cycles and GI Lighting http://tinyurl.com/ju9z8b4

• Change day & night rotation speed• Suggest changing Y rotations

Final Scene

https://dl.dropboxusercontent.com/u/9011716/VRDEMO.unitypackage