REAL-TIME DEFORMABLE OBJECTS FOR COLLABORATIVE VIRTUAL ENVIRONMENTS

Selcuk Sumengen, Mustafa Tolga Eren, Serhat Yesilyurt, Selim Balcisoy

Abstract

This paper presents a method for physical simulation of deformable closed surfaces over a network, which is suitable for realistic interactions between users and objects in a collaborative virtual environment (CVE). CVE's are being extensively used for training, design and gaming for several years. To demonstrate a deformable object in a CVE, we employ a real-time physical simulation of a uniform-tension-membrane, based on linear finite-element-discretization of the surface yielding a sparse linear system of equations, which is solved using the Runge-Kutta Fehlberg method. The proposed method introduces an architecture that distributes the computational load of physical simulation between each participant. Our approach requires a uniform-mesh representation of the simulated structure; therefore we designed and implemented a re-meshing algorithm that converts irregularly triangulated genus zero surfaces into a uniform triangular mesh with regular connectivity. The strength of our approach comes from the subdivision methodology that enables to use multi-resolution surfaces for graphical representation, physical simulation, and network transmission, without compromising simulation accuracy and visual quality.

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Paper Citation


in Harvard Style

Sumengen S., Tolga Eren M., Yesilyurt S. and Balcisoy S. (2007). REAL-TIME DEFORMABLE OBJECTS FOR COLLABORATIVE VIRTUAL ENVIRONMENTS . In Proceedings of the Second International Conference on Computer Graphics Theory and Applications - Volume 2: GRAPP, ISBN 978-972-8865-72-6, pages 121-128. DOI: 10.5220/0002080001210128


in Bibtex Style

@conference{grapp07,
author={Selcuk Sumengen and Mustafa Tolga Eren and Serhat Yesilyurt and Selim Balcisoy},
title={REAL-TIME DEFORMABLE OBJECTS FOR COLLABORATIVE VIRTUAL ENVIRONMENTS},
booktitle={Proceedings of the Second International Conference on Computer Graphics Theory and Applications - Volume 2: GRAPP,},
year={2007},
pages={121-128},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002080001210128},
isbn={978-972-8865-72-6},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Second International Conference on Computer Graphics Theory and Applications - Volume 2: GRAPP,
TI - REAL-TIME DEFORMABLE OBJECTS FOR COLLABORATIVE VIRTUAL ENVIRONMENTS
SN - 978-972-8865-72-6
AU - Sumengen S.
AU - Tolga Eren M.
AU - Yesilyurt S.
AU - Balcisoy S.
PY - 2007
SP - 121
EP - 128
DO - 10.5220/0002080001210128