Large steps in cloth simulation
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Super-helices for predicting the dynamics of natural hair
ACM SIGGRAPH 2006 Papers
Oriented strands: dynamics of stiff multi-body system
Proceedings of the 2006 ACM SIGGRAPH/Eurographics symposium on Computer animation
Journal of Visual Communication and Image Representation
CoRdE: Cosserat rod elements for the dynamic simulation of one-dimensional elastic objects
SCA '07 Proceedings of the 2007 ACM SIGGRAPH/Eurographics symposium on Computer animation
Efficient simulation of inextensible cloth
ACM SIGGRAPH 2007 papers
FastLSM: fast lattice shape matching for robust real-time deformation
ACM SIGGRAPH 2007 papers
ACM SIGGRAPH 2008 papers
A mass spring model for hair simulation
ACM SIGGRAPH 2008 papers
Twisting, tearing and flicking effects in string animations
MIG'11 Proceedings of the 4th international conference on Motion in Games
Rod constraints for simplified ragdolls
Proceedings of the 12th ACM SIGGRAPH/Eurographics Symposium on Computer Animation
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String-like objects in our daily lives, for example shoelaces, threads, rubber cords, plastic fiber and spaghetti, have a wide variety of materials. Such string-like objects also exhibit interesting behaviors such as twisting, tearing (by stretching or twisting), and bouncing back when pulled and released. In this paper, we present a method that enables these behaviors and simulates such materials in traditional string simulation methods that explicitly represent a string by particles and segments. Specifically, we offer the following three contributions. First, we introduce a method for handling twisting effects with both uniform and non-uniform torsional rigidities. Second, we propose a method for estimating the tension acting on inextensible strings in order to reproduce tearing and flicking (bouncing back), whereas the tension for an extensible object can be computed via stretched length. The length of an inextensible object is maintained constant in general, and thus, we need a novel approach. Third, we introduce an optimized grid-based collision detection for accelerating the computation. We demonstrate that our method can produce visually plausible animations of string-like objects with various material properties, and it is a fast framework for interactive applications such as games. Copyright © 2012 John Wiley & Sons, Ltd.