Particle‐based Liquid Control using Animation Templates

It is notoriously difficult for artists to control liquids while generating plausible animations. We introduce a new liquid control tool that allows users to load, transform, and apply precomputed liquid simulation templates in a scene in order to control a particle‐based simulation. Each template i...

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Bibliographic Details
Published in:Computer graphics forum Vol. 39; no. 8; pp. 79 - 88
Main Authors: Schoentgen, Arnaud, Poulin, Pierre, Darles, Emmanuelle, Meseure, Philippe
Format: Journal Article
Language:English
Published: Oxford Blackwell Publishing Ltd 01.12.2020
Wiley
Series:Proceedings of ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Subjects:
Animation
Artists
CCS Concepts
Computer Science
Computing methodologies → Physical simulation
Graphics
Simulation
Fluid Simulation
Animation Control
Smoothed Particles Hydrodynamics
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:It is notoriously difficult for artists to control liquids while generating plausible animations. We introduce a new liquid control tool that allows users to load, transform, and apply precomputed liquid simulation templates in a scene in order to control a particle‐based simulation. Each template instance generates control forces that drive the global simulated liquid to locally reproduce the templated liquid behavior. Our system is augmented with a variable proportion of temporary particles to help efficiently reproduce the templated liquid density, with fewer requirements on the surrounding environment. The resulting control strategy adds only a small computational overhead, leading to quick visual feedback for resolutions allowing interactive simulation. We demonstrate the robustness and ease of use of our method on various examples in 2D and 3D.
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ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.14103