Cain - Robocop 2 Project - Maya

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Old 10 October 2013   #61
OK finally got some work done on the piston on the leg - its blowing my mind.

See video to see my problem.



Got the piston working with the spring. Its controlled with 2 locators with aim constants. That's fine.

When I added it to the rig it did not work.

But taking off the aim constants from the locators and placing them on the joints then parenting the locators to them seemed to work. At this point I was happy - until I tried to rotate any joint in the leg in the "Z" direction.

It must have something to do with the aim constants but don't know how to fix this - Plz anyone any ideas ???
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Old 10 October 2013   #62
sorry to be a pain but is there anyone who can help me out with the rigging problem ???
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Old 10 October 2013   #63
try using a world up object (another locator) with your aim constraint
 
Old 10 October 2013   #64
If anyone can i am going to share the file with just the leg in it. Saved as mb, ma, fbx Like to point out it is a maya 2014 file.

I have tried so many different things I just cant get this working - really need the help

http://jmp.sh/b/GFqEtDnmJJM2NIpfIXw6
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Old 10 October 2013   #65
Like I said my man, use a world up object. In this case I just used joint 10 because we want the up vector pointing towards it at all times.

http://www.mediafire.com/?wshqqdmia2o920r

The best thing I can suggest for you in the future is to use offset groups so you can have a zeroed out local xform for the parts.
 
Old 10 October 2013   #66
Quote:
Originally Posted by nfd77
Like I said my man, use a world up object. In this case I just used joint 10 because we want the up vector pointing towards it at all times.

http://www.mediafire.com/?wshqqdmia2o920r

The best thing I can suggest for you in the future is to use offset groups so you can have a zeroed out local xform for the parts.


OMG thank you man - There was a small problem with the file you sent back - the spring setup was busted - but looking at what you did has fixed my problem - a million thx you's.

I did what you said in your last post but found it was still spinning out of control but looking at the file I think I was selecting the wrong option.

I am very new to rigging - I have done a few basic human rigs before and everyone has pushed me to get this guy animated and thought it would be staught forward - but problems like this completely throw me.

Finally I can move on.

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Old 10 October 2013   #67
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