Changsung Lim

TwinSpin: A Virtual Ball in a VR Controller Enabling In-Hand 3DoF Rotation

In-hand rotation is a natural motor skill of humans, yet current VR controllers mainly rely on arm and wrist movements to rotate virtual objects, leading to significant arm motion and fatigue. To address this, we propose TwinSpin, a VR controller employing two embedded mini-trackballs manipulated by the thumb and inde…