Fast and stable animation of cloth with an approximated implicit method

被引:17
作者
Kang, YM [1 ]
Choi, JH [1 ]
Cho, HG [1 ]
机构
[1] Pusan Natl Univ, Dept Comp Sci, Graph Applicat Lab, Pusan, South Korea
来源
COMPUTER GRAPHICS INTERNATIONAL 2000, PROCEEDINGS | 2000年
关键词
cloth animation; implicit method; stability; interactive animation;
D O I
10.1109/CGI.2000.852340
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
Realistic animation of soft objects such as cloth is essential for plausible character animation. Many techniques have been proposed for the simulation of soft objects, and most of them are based on numerical integration. Among the techniques, the implicit integration method is the most likely technique for real-time environments, since it allows large time steps for cloth simulation by ensuring the stability of systems. However the most critical flow of the implicit method is that it involves a large linear system. This paper presents a fast animation technique for animating soft objects based on mass-spring model with art approximated implicit method which does not involve linear system solving. The proposed technique stably updates the state of n mass-points ht O(n) ti,ne when the number of total springs are O(n). Because the mass-spring model shows a superelastic effect, the excessively deformed springs (i.e., super-elongated springs) should be adjusted for reality. This paper presents an efficient inverse dynamics process to adjust the super-elongated springs.
引用
收藏
页码:247 / 255
页数:9
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