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Precise ivy generation

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my goal i to grow ivy on some surface. The ivy is made of one main branch and then the secondary with leaves on it. And I want to drive the main branch with hand created spline via Spline direction modifier and then apply Object reaction modifier, but here I'm stuck. It doesnt work as I expect. The Object reaction has no effect  (or bad) on spline with Spline direction.


The main brach dont have to match the hand made splie exactly, but only drive the flow of the ivy.


I have attached a sample scene to better understanding of my problem.


Thanks for any help.



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Hello Martin,


If you are using the Spline direction modifier, then I don't advise to use the Object reaction for this main branch. Let the main branch uses only the spline, if you want, you can add a Noise modifier...



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