Active Implicit Surface for Animation (1998)
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BibTeX
@MISC{Desbrun98activeimplicit,
author = {Mathieu Desbrun},
title = {Active Implicit Surface for Animation},
year = {1998}
}
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Abstract
This paper introduces a new model of deformable surfaces designed for animation, which we call active implicit surfaces. The underlying idea is to animate a potential field defined by discrete values stored in a grid, rather than directly animating a surface. This surface, defined as an iso-potential of the field, has the ability to follow a given object using a snake-like strategy. Surface tension and other characteristics such as constant surface area or constant volume may be added to this model. The implicit formulation allows the surface to easily experience topology changes during simulation. We present an optimized implementation: computations are restricted to a close neighborhood around the surface. Applications range from the coating of deformable materials simulated by particle systems (the surface hides the granularity of the underlying model) to the generation of metamorphosis between shapes that may not have the same topology. R esum e Nous presentons dans ce papier un ...
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