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Question by smonty · Mar 25, 2014 at 06:57 PM · mayapipetubeextrude

Extruding tube animation possible in Unity?

I want to create and play an animation either in Unity or from Maya to Unity that has a tube's end snaking through the scene (like a more fluid Windows 98 pipe screensaver). I know how to accomplish this in Maya through a cv curve, but I don't know how to have it work in Unity. Any ideas?

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avatar image Dblfstr · Mar 25, 2014 at 07:49 PM 0
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If it is an animation you can capture in $$anonymous$$aya, then you can play it back in Unity. If you want it interactive, I do not know how you could achieve this.

You could try using multiple short tubes connected by joints, but I don't think that is what you are looking for. I know there are plugins that allow some mesh deformation (or editing) within Unity, and also ones for splines (for paths, etc).

avatar image smonty · Mar 25, 2014 at 09:09 PM 0
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Thank you for the response!

For the animation, I've been wanting to import the tube with its animation attached, pretty much like how you import a rig with an animation, ins$$anonymous$$d of a rendered out animation. The issue is that the tube is attached to a curve and I'm using the curve's attributes for the extruding AND the tube has subdivisions added to it when it extends. I totally understand why Unity doesn't like it.

I'll definitely be looking into those plugins. A spline path seems like a good step towards what I want.

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Answer by smonty · Apr 09, 2014 at 03:56 PM

I solved my problem for the most part. What I did was that I did capture the animation in Maya. Instead of extruding the mesh, I bound some joints to a cylinder and had the joints follow the cv curve/motion path.

One thing I tried, but got mixed results, was having Unity particle system follow a spline path (Hermite Spline Controller). I got the result that I wanted except you could clearly see each individual particle. While there is a way around this, I'm sure, I didn't want to spend more time figuring that out.

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