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Sweep NURBS growth w/ Tracer Object

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Corrado Carlevaro
Sweep NURBS growth w/ Tracer Object
on Jun 5, 2014 at 6:18:29 pm

Hi,
Particles traced by Tracer Object, resulting splines in Sweep NURBS, so far so good. I want a first Sweep NURBS to be 100% length, and a second Sweep to be a kind of "coating", thicker and shorter, as in picture.
Growth parameter doesn't work because it sees the splines as a single spline, and the Details/Scale curve works as a percentage.
What I want is a fixed difference, as if the second Sweep NURBS would be delayed by some frames, would "start later". Any advice? Xpresso perhaps?
Thank you in advance
Corrado




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Adam Trachtenberg
Re: Sweep NURBS growth w/ Tracer Object
on Jun 5, 2014 at 9:18:51 pm

Here's a sample scene: 7585_strippedwiressweep.c4d.zip

What I did was clone a null onto the particles and trace the clones. Then I baked the cloner with a cache tag and duplicated it. Then I offset the animation of the copied cloner using the offset parameter in the cache tag. Then I created a second tracer referencing the second cloner.


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Corrado Carlevaro
Re: Sweep NURBS growth w/ Tracer Object
on Jun 6, 2014 at 7:30:55 am

So you actually had to bake, duplicate and offset time; but I didn't think to the Cache tag.
Thank you Adam

C.


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