Rubber-like Exaggeration for Character Animation

  • Authors:
  • Ji-yong Kwon;In-Kwon Lee

  • Affiliations:
  • -;-

  • Venue:
  • PG '07 Proceedings of the 15th Pacific Conference on Computer Graphics and Applications
  • Year:
  • 2007

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Abstract

Motion capture cannot generate cartoon-style animation directly. We emulate the rubber-like exaggerations common in traditional character animation as a means of converting motion capture data into cartoon-like movement. We achieve this using trajectory-based motion exaggeration while allowing the violation of link-length constraints. We extend this technique to obtain smooth, rubber-like motion by dividing the original links into shorter sub-links and computing the positions of joints using Bézier curve interpolation and a mass-spring simulation. This method is fast enough to be used in real time.