This elastic device converts the camera of your smartphone into a fully functional 3-axis analog joystick. It is under development by a research group at Keio University. “The way this system works is very simple. There are small markers in this elastic device and the markers are detected by this built-in front-facing mobile phone camera. By tracking how the markers move as the elastic device deforms, this system enables a variety of inputs.”
“The camera is detecting the markers right now. When you press the device, like this, the markers move further apart, or they move horizontally or vertically, or they get skewed.
Akihabara News, Keio University demonstrates 3-Axis Analog Joystick For Touchscreen Devices
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