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v4 vortex /rotator force

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Hi thnaks just got xp4 and looking to use the new force function in the rotator but cant figure this out.  Please look at the attached file as hopefully my question will make more sense


Basically i am making the camera move through a particle tunnel whilst the camera is actually still. I am controlling the speed by clamping max speed in the speed modifier. This seems to work well.

In 3.5 the force option on the rotator didn't exist so  to add turbulence i tried using marios wind twister setup from which i got some ok results but could't get exactly what i wanted.


I was hoping in XP4 i could achieve some turbulence using the force option in the rotator. My main problem is i want to stop the cylinder shape flaring out in force mode (like example 3 and 4) I am guessing it's centrifugal force


Ideally i like to achieve the shape in example 1
Keep functionality working like example 2

whilst having controlof a small amount tubulence


Hope this makes sense please let me know if i can clarify anything

Thanks in advance for any advice


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