This paper proposes an alternative way for doing touchless interaction. Using a magnetometer sensor, we attempt to map some common gestures into something that can be understood by a magnetometer sensor. To demonstrate the concept, an application and a punching game that utilize this principle were developed. Using the application, users are able to perform a common swiping gesture using magnetometer sensor. When the game detects a punch gesture, it will respond accordingly. The application was tested and compared against an existing touchless interaction technology. The test results showed that there are some aspects where the magnetometer solution is better compared to the existing solution. This suggests that touchless interaction using magnetometer might have a promising future.
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