“Encierro de San Fermín” – VR Running Simulator

When Downtown was finished I was looking for new challenges and I started to work in Prisma VR Studio. Our first project was a virtual reality experience about running with the bulls in one of the most popular spanish tradition, “Encierros de San Fermín”.

Probably the worst issue in VR is the motion sickness and this experience requires a lot head movements: You have to run in front of the bulls but looking back in order to locate them and keep the distance. So, the best solution for us was the Virtuix Omni motion platform. Using this device we avoided the motion sickness because is the user who moves the VR avatar using his body not the application and the brain feels it more natural.


This simulator was developed for an exhibition about “San Fermín” in Seville and probably we were one of the first companies who used this device for a commercial project because we had to use our Omni developing unit until the commercial one was launched (One month later).

The enviroment was another challenge because we should to recreate Pamplona as similar as possible to reality: The sun is located at the same position, the commercial stores are reals, the building textures, etc… for that reason we choose Unreal instead of Unity3D. The Unreal Engine’s Deferred renderer is not so optimal as the forward renderer but the visual quality is much better “out of the box”.

The exhibition would receive a lot of people so the experience should take no too much time but it has to be gratifying because probably each person only could try it once and the use of the Omni device requires certain training. For that reason we included a short tutorial for get used to the Omni.

We also made a experience for people who does not wanted to run with the Omni. The path is pre defined and you just have to move the controllers like you were running to move forward and look back to avoid be reached by the bulls. It’s not as fun (just my opinion) as the Omni version but it’s nice for old people, kids or for promotional events (You have not to move the Omni from the exhibition 😉 ), For example:

And a TV coverage (early version):

It was my first Unreal Engine’s professional experience and I learned a lot of about the  C++/Blueprint communication, like Native Events, Delegates, Timers, etc… and of course the Virtuix Omni integration.


Screenshoot gallery:




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