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Conference papers

The God-Finger Method for Improving 3D Interaction with Virtual Objects through Simulation of Contact Area

Anthony Talvas 1 Maud Marchal 1 Anatole Lécuyer 1
1 Hybrid - 3D interaction with virtual environments using body and mind
Inria Rennes – Bretagne Atlantique , IRISA-D6 - MEDIA ET INTERACTIONS
Abstract : In physically-based virtual environments, interaction with objects generally happens through contact points that barely represent the area of contact between the user's hand and the virtual object. This representation of contacts contrasts with real life situations where our finger pads have the ability to deform slightly to match the shape of a touched object. In this paper, we propose a method called god-finger to simulate a contact area from a single contact point determined by collision detection, and usable in a rigid body physics engine. The method uses the geometry of the object and the force applied to it to determine additional contact points that will emulate the presence of a contact area between the user's proxy and the virtual object. It could improve the manipulation of objects by constraining the rotation of touched objects in a similar manner to actual finger pads. An implementation in a physics engine shows that the method could make for more realistic behaviour when manipulating objects while keeping high simulation rates.
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Conference papers
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https://hal.inria.fr/hal-00823494
Contributor : Maud Marchal <>
Submitted on : Friday, May 17, 2013 - 10:44:33 AM
Last modification on : Tuesday, June 15, 2021 - 4:26:41 PM

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Anthony Talvas, Maud Marchal, Anatole Lécuyer. The God-Finger Method for Improving 3D Interaction with Virtual Objects through Simulation of Contact Area. IEEE Symposium on 3D User Interfaces, Mar 2013, Orlando, United States. pp.111-114, ⟨10.1109/3DUI.2013.6550206⟩. ⟨hal-00823494⟩

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