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A Comparison of Virtual Reality Menu Archetypes: Raycasting, Direct Input, and Marking Menus
Abstract:
We contribute an analysis of the prevalence and relative performance of archetypal VR menu techniques. An initial survey of 108 menu interfaces in 84 popular commercial VR applications establishes common design characteristics. These characteristics motivate the design of raycast, direct, and marking menu archetypes, and a two-experiment comparison of their relative performance with one and two levels of hierarchy using 8 or 24 items. With a single-level menu, direct input is the fastest interaction technique in general, and is unaffected by number of items. With a two-level hierarchical menu, marking is fastest regardless of item number. Menus using raycasting, the most common menu interaction technique, were among the slowest of the tested menus but were rated most consistently usable. Using the combined results, we provide design and implementation recommendations with applications to general VR menu design.
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