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Thread: Animating a string

  1. #1
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    Animating a string

    Can anyone give me advice on how to animate a string. I've tried bones and morphs, but nothing satisfactory. With the bones I'm having a hard time getting a nice S curve of a string being blown by wind. Using morphs I get weird results in layout. It's hanging from a moving balloon in a circus scene. Any tutorials would be a godsend. Thanks guys.

  2. #2
    Have you tried using clothfx? You could sim on a polychain and then fx metalink that to a cylinder.
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  3. #3
    Registered User Oldcode's Avatar
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    Here's a tutorial using Bullet and FX MetaLink to animate a chain.

    https://www.youtube.com/watch?v=IW9C...1pVcD9DeTiJzK7

    https://www.youtube.com/watch?v=DRBY...1pVcD9DeTiJzK7

    Hope this helps.

  4. #4
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    You might find a simple displacement map with a Weight Map on the string will work. See attached sample scene.

    The Object is two layers, with Layer 1 being the Balloon and Layer 2 being the String. The String has a Weight Map applied down the string using Map=>Weight=>Weights in Linear mode, right-dragging the area of influence so the Procedural Turbulence texture affects the end of the string more than the top of the string via a Gradient Alpha channel.

    Click image for larger version. 

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    You can change the parameters of the Procedural Turbulence to get more or less effect on the string.

    mTp
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