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Torus Knot. Animation Path.


Neil Woodhouse
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Greetings,

 

One for the Lords of animation :)

 

A bit of a head scratcher. I've just been asked to produce a 3D logo animation, which at first i thought was going to be one of those 'I'll let you have it back Tuesday Morning' jobs.

 

However ( laughs ) it's got me thinking.

 

Basically the company wants to run a camera constrined to an animation track within a Torus Knot. Now the knot is easy, but how the devil do i put an path in there that runs centrally in space thru' it?

 

Scratch, Scratch.

 

Neil

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my route would be this.... (not sure if this is what shane meant, but it's a bit more descriptive)

 

1. create to torus.

2. convert to editable poly

3. grab one segment running the direction of the torus

4. select "loop"

5. select "create shape from selection"

6. slightly shrink the new shape using uniform scale to pull it into the center of the knot.

7. create your camera, and attach it to the new shape as a path constraint.

Edited by BrianKitts
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Brian's approach will get you there, but if you change the Cross Section Radius spinner value to 0, you will basically have your spline path now going through the center of the torus section.

 

Collapse to EP, select an Edge and use Loop, then use Create Shape from Selection.

 

Pretty much the same thang...

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