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193025 https://hdl.handle.net/2286/R.2.N.193025 http://rightsstatements.org/vocab/InC/1.0/ All Rights Reserved 2024 65 pages Masters Thesis Academic theses Text eng John, Kevin Seifi, Hasti Bryan, Chris Schneider, Oliver Arizona State University Partial requirement for: M.S., Arizona State University, 2024 Field of study: Computer Science Mid-air ultrasound haptic technology can enhance user interaction and immersion in extended reality (XR) applications through contactless touch feedback. However, existing design tools for mid-air haptics primarily support the creation of static tactile sensations (tactons), which lack adaptability at runtime. These tactons do not offer the required expressiveness in interactive scenarios where a continuous closed-loop response to user movement or environmental states is desirable. This thesis proposes AdapTics, a toolkit featuring a graphical interface for the rapid prototyping of adaptive tactons—dynamic sensations that can adjust at runtime based on user interactions, environmental changes, or other inputs. A software library and a Unity package accompany the graphical interface to enable integration of adaptive tactons in existing applications. The design space provided by AdapTics for creating adaptive mid-air ultrasound tactons is presented, along with evidence that the design tool enhances Creativity Support Index ratings for Exploration and Expressiveness, as demonstrated in a user study involving 12 XR and haptic designers. Computer Science Design tool haptic design mid-air ultrasound haptics real-time adaptation AdapTics: A Toolkit for Creative Design and Integration of Real-Time Adaptive Mid-Air Ultrasound Tactons