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    LocoScooter, a novel virtual reality locomotion system, enhances immersion and enjoyment using familiar scooter-like movements. This low-cost interface offers engaging VR navigation in limited spaces without increasing user fatigue.

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    Area of Science:

    • Human-Computer Interaction
    • Virtual Reality Systems
    • Locomotion Interfaces

    Background:

    • Virtual reality (VR) locomotion is challenging, particularly in space-constrained settings.
    • Existing methods like joystick navigation lack immersion and physical engagement.
    • Room-scale walking is often impractical for many VR environments.

    Purpose of the Study:

    • To introduce LocoScooter, a low-cost, deployable virtual reality locomotion interface.
    • To evaluate the effectiveness of LocoScooter for embodied navigation.
    • To compare LocoScooter with traditional joystick navigation in VR.

    Main Methods:

    • Developed LocoScooter using commodity hardware, combining foot-sliding on a compact treadmill with handlebar steering.
    • Conducted a within-subject study with 14 participants comparing LocoScooter to joystick navigation.
    • Assessed immersion, enjoyment, bodily involvement, efficiency, usability, and physical demand.

    Main Results:

    • LocoScooter significantly improved immersion, enjoyment, and bodily involvement compared to joystick navigation.
    • Navigation efficiency and usability were comparable between LocoScooter and joystick control.
    • Despite increased physical demand, participants did not report higher fatigue levels.

    Conclusions:

    • Familiar, physically engaging movements can enrich virtual reality navigation experiences.
    • LocoScooter provides a viable, low-cost solution for embodied VR locomotion in limited spaces.
    • The system demonstrates the potential of integrating intuitive physical interactions into VR environments.