Directable Animation of Elastic Objects
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Date
2005
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association
Abstract
There is a crucial demand in the computer animation industry to make animations that blend animator-specified expressive motion with physics-based realism. We propose a novel framework to create directable animation of elastically deformable objects. The directable animation is created with animator-specified keyframes and the motion trajectory of the deformable object, while maintaining a plausible realism. Our framework mainly consists of two complementary approaches. The first is a method to control the time-varying geometry of an elastic object, using a loose key-framing technique. In our keyframing, we introduce an FEM-based elastic deformation algorithm that allows us to rearrange the elastic object motion, guided by the shape or pose specified at each keyframe. The second is a motion compensation technique, which allows us to rearrange the physical behavior of elastically deformable objects under a user-specified trajectory. The animation examples demonstrate that our framework provides plausibly realistic deformation animations with greater controllability and usability than existing approaches.
Description
@inproceedings{10.2312:SCA/SCA05/127-134,
booktitle = {Symposium on Computer Animation},
editor = {D. Terzopoulos and V. Zordan and K. Anjyo and P. Faloutsos},
title = {{Directable Animation of Elastic Objects}},
author = {Kondo, Ryo and Kanai, Takashi and Anjyo, Ken-ichi},
year = {2005},
publisher = {The Eurographics Association},
ISSN = {1727-5288},
ISBN = {1-59593-198-8},
DOI = {10.2312/SCA/SCA05/127-134}
}