Scalable stretchy limb? (3ds Max)

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  10 October 2013
Scalable stretchy limb? (3ds Max)

I've been trying to get a stretchy limb to be able to be scaled with no success so far (3ds Max by the way) The idea being that I'll have many characters on a scene and I'd like to vary their scale.

The basic setup I'm testing is a three bone IK chain, two versions, one using a script controller to achieve the stretching and another version using only wired parameters for the same. The problem is that when stretching up the rig the two stretch bones scale up twice as much as they should.
The scaling is done by scaling a master controller, to where the root node and the end node of the IK chains are parented.

Any suggestions on how to crack this problem would be very appreciated.
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Character animator at Animalada Studios
 
  10 October 2013
Hey, one at a time!

Never mind, I found a solution, a very simple one actually, I'll post it later in case anyone stumbles on the same problem.
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Character animator at Animalada Studios
 
  10 October 2013
Hello,

I think if you're going solely for scalable stretchy IK then the easiest way to achieve it is by using an Expression controller and the if(c,t,f) function which allows you to enable the feature in one line (even if it is quite long).

I've uploaded a scene file containing the set up which might not be the same as yours but it's different strokes for different blokes.

-Harry
Attached Files
File Type: zip scalableStretchyIK.zip (19.3 KB, 10 views)
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  11 November 2013
Originally Posted by hazmondo: Hello,

I think if you're going solely for scalable stretchy IK then the easiest way to achieve it is by using an Expression controller and the if(c,t,f) function which allows you to enable the feature in one line (even if it is quite long).

I've uploaded a scene file containing the set up which might not be the same as yours but it's different strokes for different blokes.

-Harry


Thanks, I'll take a look at that scene later, but I'd rather not use an Expression Controller because those tend to stop working when you duplicate the rig, the way I'm testing now I can just Shift-Drag and I have a working copy with no problems.
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Character animator at Animalada Studios
 
  11 November 2013
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