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Software Discussion
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3D Studio Max
Rigging a Kangaroos hind leg type joint
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Animare 51 posts06 Sep 2005Hi all,
Just before start on a leg section of an animal thing im working on, I was just trying to figure out how you would rig it if its legs were similar to that of a kangaroo? Has anyone attempted something like this?
Thanks
Shan -
07 Sep 2005The first thing I would suggest is getting some reference material. One of the most important parts of rigging is getting the bones in the right place so you get a fairly natural deformation of the mesh. Have a look at books or websites that have the skeletons and also plenty of resource material of the animal with wearing it's skin
As for the actual rig itself it kinda depends on what you want to do with it and how you want it to move. For the hind legs of a quadruped don't make the mistake of treating it like a human leg that is turned backwards. If you look at any four legged animal the structure of the rear leg is very similar to that of our own (it's just that they are walking 'on tiptoes' so to speak).
So just casually putting in an IK Handle where it 'looks' like it makes sense (ie. from where the leg kinda leaves the body to where the foot contacts the floor) will not always give you the results you want because that would actually be an IK from the 'knee' to the ball of the foot (not the hip to the ankle) This may be what you are after if you want quick results but I'd suggest getting the bones sorted and just playing around with different IK setups. -
Animare 51 posts08 Sep 2005Hey thanks global, i have been checking up on references, Im trying to do a little dragon...and yeah as you say I think it has a reverse leg type. Ill post up a pic b4 i rig up.
Thanks again -
troubadour 207 posts08 Sep 2005hi animare,
i can't help you out with rigging, but for references, i would highly recomment to put this link to your favoites (and any other animator should do!)
it's the BBC motiongallery, theres a searchfunction you can type in what your searching for, and you'll get hundrets of clips for reference, most of them in slowmo
http://www.bbcmotiongallery.com/Customer/index.aspx
hope this helps a little
good luck
marcus -
08 Sep 2005this is great marcus
thanx for sharing -
10 Sep 2005Yep, that is indeed a great link - one of the best online resources that has been useful to me a number of times.
Animare - I see that the model is coming along nicely in the other thread. Looks to me like a standard 'human' IK leg will work nicely with it though as it doesn't look like it will be walking on the balls of it's feet. Which is a bonus really because hind legs can be quite tricky to rig -
11 Sep 2005and i can spot a very small error on an human rig but its harder when it comes to animals, so its a bit easier in that way too, thing dont look wrong so easily... just make sure no kangaroo is whatching ur anim!
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12 Sep 2005Dang! I always have a highly trained team of kangaroos employed as quality control
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