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Levi-loop: A Mid-Air Gesture Controlled Levitating Particle Game

Acoustic levitation offers a novel alternative to traditional volumetric displays. With state-of-the-art hand-tracking technology, direct interaction and manipulation of levitating objects in 3D is now possible. Further, adding game-elements like completing simple tasks can encourage participant exploration of new technologies. We have therefore developed a gesture controlled levitating particle game, akin to the classic wire-loop game, that combines all these elements (levitation, hand-tracking, and gameplay) together with physical obstacles. Further, we have designed a gesture input set that constrains false triggering gestures and dropping of the levitating particle.