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Comparing Various Locomotion Methods within Virtual Environments
Wilson, Preston Tunnell
Wilson, Preston Tunnell
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Text, Honors papers, Mathematics and Computer Science, Department of
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Abstract
Two inexpensive methods of exploring a virtual environment are walking in place (WIP) and arm
swinging. These techniques are compelling because they strike a balance between space requirements,
cost, and proprioceptive cues. They seem to provide better spatial awareness of a virtual environment
than other inexpensive virtual navigation techniques such as joysticks or controllers. On the other
hand, they are much cheaper and require less space than tracking systems. In our prior work, we
had success in implementing a WIP method using an inexpensive Nintendo Wii Balance Board.
We showed that participants' spatial orientation was the same as normal walking and superior to
joystick navigation.
We seek to extend our previous work utilizing the Myo armband{ an inexpensive wearable device
(199 USD) with electromyography sensors, gyroscopes, and accelerometers. We previously found that
our arm swinging method outperforms a simple joystick and that spatial orientation is comparable
to physically walking on foot.
In this work, we compare physical locomotion to both arm swinging and WIP. We implement
these methods with Myo armbands. Both algorithms let users freely explore an HMD-based virtual
environment. We tested users' spatial orientation and distance estimation. Interestingly, our mean
turning angle errors were higher than those in our previous studies. Also notable is that users
performed better at blind walking in the WIP condition than in physical locomotion.