User gestures are important in current gaming platforms, where users’ movements are tracked, and their actions trigger events in the games. We introduce Power of 2 (Po2), a new haptic technology that augments illusive tactile sensations on gesture-based gameplays. Po2 utilizes two vibrating actuators on two hands and renders illusory tactile motion on and across the hands. With carefully designed psychophysical studies, we determined parametric models to robustly control the perception of an illusory object and its motion on and in between two hands. These models are embedded in computer algorithms and programmed to produce cohesive multisensory experiences. Synchronized with a wide range of user gestures and interactive media, such as sound and visuals, Po2 creates highly dynamic and animated gameplay experiences with wearable and mobile handheld devices.
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