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Old 02-15-2013, 10:52 PM   #1
Spiritus
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Weight Painting

Hi There!

I have been puzzling over this situation for days now. I have created a mesh from a cube with these values. X: 25cm Y:75cm Z:25cm with segments 4, 12, 4 respectively. I have 3 Bones setup with an IK chain like so (o-----o-----o).
The cuboid shape is vertical and is binded to the bones after being made editable. When I do this, c4d as usual paints the weights automatically and creates a smooth curve as I move the Goal for the IK around. The problem is that rather than a curved joint, I would like an L Shaped joint that is nice and sharp and I know this can be done with weight painting however, I just can't seem to get the painting done right.

I have added some images. The first image shows what I'm Aiming for:

The left is using the default weightings, the right is something i quickly modeled to show what I want when the arm is bent.

The best I have managed to get by messing with weights is this:


As you can see in the image, a proper right angle isn't formed.
What I'm aiming for is a sharp bend that has those kind of edges no matter what angle. I'm certain it can be done as i've seen it before, I just don't know how to do it.

Any help?

Thanks in advanced for the help!
 
Old 02-16-2013, 06:34 AM   #2
fluffouille
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Sébastien Florand
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This is not possible with weighting alone. You need to link some correction morphs to the rotation of the joints, for this.
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Old 02-16-2013, 08:51 AM   #3
Spiritus
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Thanks for the reply!

Thanks for the reply! How would I use Correction Morphs, I have never seen/used them in the past. Is it a tool or is it like Pose Morphs?
 
Old 02-16-2013, 02:29 PM   #4
Spiritus
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Thanks again!

Sorry for the double post but a little note to say that this can be closed now.
A little hint let me figure it out.
Thanks for the help. All I needed was a pose morph.
Also, the 2 post moderation thing for new users makes this look weird as my second post hasn't been moderated at the time of writing this :3
 
Old 02-16-2013, 04:08 PM   #5
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Sébastien Florand
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Glad you managed to figure it out.
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Old 02-16-2013, 04:08 PM   #6
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