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Constraint-based Animation System

Avatar for Toru Hisai Toru Hisai
August 16, 2012
Programming
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Constraint-based Animation System

Avatar for Toru Hisai

Toru Hisai

August 16, 2012
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Transcript

  1. Constraint-based Animation System Code: MEPHISTO Toru Hisai 8/1/2012

  2. Inspiration: SICP

  3. Techniques from SICP •A Picture Language •Streams •Propagation of Constraints

  4. Picture Language •Data abstraction •Closure •Procedure composition

  5. Streams •Delayed list •Infinite stream

  6. Picture Language + Stream = Animation!

  7. 3D Picture Language

  8. Czech Marionette

  9. Marionette Control

  10. Degrees of Freedom ~7 − 10 strings ⇒ DOF ≈

    30

  11. Less DOF ↓ Controllable!

  12. None
  13. None

  14. Propagation of Constraints 9C = 5(F - 32)

  15. Tree  Constraint Network

  16. None