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Users’ locomotor behavior in collaborative virtual reality

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PubDate: November 2018

Teams: Universitat Politècnica de Catalunya

Writers: Alejandro Ríos;Marc Palomar;Nuria Pelechano

PDF: Users’ locomotor behavior in collaborative virtual reality

Abstract

This paper presents a virtual reality experiment in which two participants share both the virtual and the physical space while performing a collaborative task. We are interested in studying what are the differences in human locomotor behavior between the real world and the VR scenario. For that purpose, participants performed the experiment in both the real and the virtual scenarios. For the VR case, participants can see both their own animated avatar and the avatar of the other participant in the environment. As they move, we store their trajectories to obtain information regarding speeds, clearance distances and task completion times. For the VR scenario, we also wanted to evaluate whether the users were aware of subtle differences in the avatar’s animations and foot steps sounds. We ran the same experiment under three different conditions: (1) synchronizing the avatar’s feet animation and sound of footsteps with the movement of the participant; (2) synchronizing the animation but not the sound and finally (3) not synchronizing either one. The results show significant differences in user’s presence questionnaires and also different trends in their locomotor behavior between the real world and the VR scenarios. However the subtle differences in animations and sound tested in our experiment had no impact on the results of the presence questionnaires, although it showed a small impact on their locomotor behavior in terms of time to complete their tasks, and clearance distances kept while crossing paths.

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