Deformed distance fields for simulation of non-penetrating flexible bodies

  • Authors:
  • Susan Fisher;Ming C. Lin

  • Affiliations:
  • Department of Computer Science, University of North Carolina at Chapel Hill;Department of Computer Science, University of North Carolina at Chapel Hill

  • Venue:
  • Proceedings of the Eurographic workshop on Computer animation and simulation
  • Year:
  • 2001

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Abstract

We present a novel penetration depth estimation algorithm based on the use of deformed distance fields for simulation of non-penetrating flexible bodies. We assume that the continuum of non-rigid models are discretized using standard techniques, such as finite element methods. As the objects deform, the distance fields are deformed accordingly to estimate penetration depth, allowing enforcement of non-penetration constraints between two colliding elastic bodies. Our approach can automatically handle self-penetration and inter-penetration in a uniform manner. We demonstrate its effectiveness on moderately complex animated scenes.