What is it about?
Running multiple physics solvers simultaneously (multiphysics) is common in sciences but rare for visual effects. This paper describes a system called Loki which focuses on making multiphysics useful for visual effects and the impact it has had on making movies.
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Why is it important?
Multiphysics offers a way to improve the quality of simulations and make things like digital water, explosions, hair and cloth more convincing in films. Our design process and final system offers a playbook for how to make multiphysics for visual effects easier for non-technical users to setup and for technical developers to implement. Some significant findings include the importance of hiding scheduling from the users, the flexibility beyond coupling of multiphysics, and some lessons we can learn from the rendering community such as an intermediate staged pipeline.
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This page is a summary of: Loki, ACM Transactions on Graphics, July 2022, ACM (Association for Computing Machinery),
DOI: 10.1145/3528223.3530058.
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