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Rigging a Tractor Bucket
show user profile  RedStar
I am curious if there is a proper way to rig something like this. It is a bucket on a big tractor. I need the bucket to rotate with the arms.

I have two main pivots. A and B. What I am doing now is wire parameters and telling it "If I rotate A then Rotate B" but I need to do small math equations to get it good but nothing is perfect. So I was curious if there is a better approach to rigging this? Something more "Perfect" that will tell max to keep these points linked?

read 355 times
1/9/2012 5:43:08 PM (last edit: 1/9/2012 5:43:08 PM)
show user profile  Garp
An IK Limb Solver should do the trick.

Unable to display content. Adobe Flash is required.

read 330 times
1/9/2012 6:21:04 PM (last edit: 1/9/2012 6:21:04 PM)
show user profile  RedStar
I was waiting for your response haha!
If I remember correctly it was you who made that tripod video as well? I couldn't find it lol.
read 323 times
1/9/2012 6:35:57 PM (last edit: 1/9/2012 6:35:57 PM)
show user profile  RedStar
Hey can you email me link to that video? I want to save it for reference. Would hate to have this thread deleted and me forgetting how to do it haha.
read 319 times
1/9/2012 6:39:26 PM (last edit: 1/9/2012 6:39:26 PM)
show user profile  Garp
I think the tripod was Grotey's. Not me anyway.
Here's the direct link:

read 311 times
1/9/2012 6:50:40 PM (last edit: 1/9/2012 6:50:40 PM)
show user profile  RedStar
Garp question. is there a way to make it so i can rotate either one of the pivots and it will all move still? Because right now with this way its the top part only. Which is still much better then what I had before. Just asking.

Greatly appreciate what you have already shared with me!
read 294 times
1/9/2012 8:37:03 PM (last edit: 1/9/2012 8:37:03 PM)
show user profile  Garp
I know just the very basics of using solvers. Someone else should step in.
Personally I'd use the maths with parameters wiring or some script controllers with a master control independent of A and B.
But a good rigger should be able to set it up so that whatever part you rotate, the rest follows. It might be an overkill for what you need though.

edit: I'm thinking maybe there's a way of setting two IK solvers and only one is active depending on which part you rotate. I dunno really...

read 284 times
1/9/2012 9:16:57 PM (last edit: 1/9/2012 9:20:09 PM)
show user profile  RedStar
haha oh this is perfect for what I need. But I was just asking to expand my knowledge of rigging. This stuff is good to know! haha.
read 270 times
1/9/2012 9:38:20 PM (last edit: 1/9/2012 9:38:20 PM)
show user profile  Garp

read 263 times
1/9/2012 10:47:00 PM (last edit: 1/9/2012 10:47:00 PM)
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