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ZACH BARTH, VALVE SOFTWARE
DEVELOPING ROOM-SCALE VR GAMES
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
Zach Barth
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
Valve
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
SteamVR
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
We’re going to build a VR game…
RIGHT NOW!
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
Vive + Unity + SteamVR
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
Along the way, we’re going to
explore and solve some common
challenges of VR game design.
DEVELOPING ROOM-SCALE VR GAMES
INTRODUCTION
Let’s get started!
PROBLEM #1
Every VR headset is essentially its
own platform, and supporting lots
of platforms is difficult.
DEVELOPING ROOM-SCALE VR GAMES
STEAMVR
SOLUTION #1
Use SteamVR; we do the integration
work so that you don’t have to!
DEVELOPING ROOM-SCALE VR GAMES
STEAMVR
DEVELOPING ROOM-SCALE VR GAMES
STEAMVR
Game
Unity
SteamVR Plugin
OpenVR APIs
Vive Drivers Rift Drivers Future Drivers
PROBLEM #2
Moving the player’s camera makes
most people sick, even if they’re “in
control” with a gamepad or WASD.
DEVELOPING ROOM-SCALE VR GAMES
ROOM-SCALE
SOLUTION #2
Embrace room-scale VR design
principles, even if you’re not just
targeting the Vive.
DEVELOPING ROOM-SCALE VR GAMES
ROOM-SCALE
DEVELOPING ROOM-SCALE VR GAMES
ROOM-SCALE
Letting the player move 1:1 in the
game world enhances presence and
eliminates nausea.
DEVELOPING ROOM-SCALE VR GAMES
ROOM-SCALE
Instantaneous movement, like the
“blink” system in The Gallery,
enables large game environments.
PROBLEM #3
There aren’t enough buttons on
these VR controllers for every
action in my game!
DEVELOPING ROOM-SCALE VR GAMES
CONTROLLERS
SOLUTION #3
Map your game’s controls into the
player’s virtual environment.
DEVELOPING ROOM-SCALE VR GAMES
CONTROLLERS
DEVELOPING ROOM-SCALE VR GAMES
CONTROLLERS
Tracked controllers make it easy to
create intuitive interactions with the
environment, where less-used
controls can be made contextual.
DEVELOPING ROOM-SCALE VR GAMES
CONTROLLERS
HEIGHT CONTROL FARTING CAT
DEVELOPING ROOM-SCALE VR GAMES
CONTROLLERS
Picking up and holding objects that
are held the same way as the
controller is convincing and fun.
PROBLEM #4
Having a “HUD” plastered onto your
face is distracting, and possibly
nauseating.
DEVELOPING ROOM-SCALE VR GAMES
USER INTERFACES
SOLUTION #4
Map the user interface into the
player’s virtual environment as well!
DEVELOPING ROOM-SCALE VR GAMES
USER INTERFACES
DEVELOPING ROOM-SCALE VR GAMES
USER INTERFACES
It can be difficult to get users to
look at your UI when you want, as
you can’t control where they look.
DEVELOPING ROOM-SCALE VR GAMES
USER INTERFACES
• Think about your environment as
a life-sized 3D “visual hierarchy”.
• Attach UI widgets to controllers
and use haptics to get the
player’s attention.
DEVELOPING ROOM-SCALE VR GAMES
CONCLUSION
Thanks!
zachb@valvesoftware.com
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