We decided to use Oculus Quest 1/2 as a VR environment to provide customers the desired experience without any PC connections or additional devices.

This platform has a lot of advantages but also a lot of restrictions. The main restriction is that in fact it is a mobile platform with limited resources and we had to create a beautiful environment running smoothly on this platform, supporting high frame rate and at the same time with a frugal approach to battery charge.

To reach this goal we had to plan our environment very carefully, limiting vertex count in each object including buildings, roads, cards, and trees.

Shadows had to be static but without dynamic shadows, the environment wasn’t realistic enough, so we had to add low-res dynamic shadows to some dynamic objects on the street. Visual effects on mobile devices are usually optional and often skipped but in our case, this was 80% of success in providing desired level of immersion. Thus, we had to make a variety of custom solutions to make the experience as realistic as possible without draining device power too fast.