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Just a little help with this rig would be awesome
show user profile  Narfu
Hi everyone, I am new to this forum. Came here because of a slight issue in Max, but this forum is great so will be here more often :)

So I made this character rig (biped) in Max. I'm quite happy about it only the arms won't see to work properly. I can adjust the envelopes in such way that either the front arm or upper arm seem to work good, but can't get it right so that the entire arm is good.

if someone could take a look at my rig:
(Max version 12) and can fix it? or atleast maybe give me some tips/tell me what I'm doing wrong, I would be very veyr thankfull. It's getting quite frustrating now.

Thanks in advance
read 390 times
9/13/2012 5:29:53 PM (last edit: 9/13/2012 5:29:53 PM)
show user profile  herfst1
I started downloading the file but McAffee jumped in saying it was a potentially dangerous file. McAffee is often over-cautious... which makes me over cautious.

Might be better to just post some pics, it's a fairly basic problem.
read 383 times
9/13/2012 5:38:58 PM (last edit: 9/13/2012 5:38:58 PM)
show user profile  Narfu
Sorry for my late response. The file does not contain a virus, don't know why it says that.

Anyway here is my problem:

The underarm is okay, the upper arm seems to cause this problem. If I adjust the envelopes (I use the vertices mode) then I can fix this problem on the upper arm but then the lower arm seems to have the same problem. I just can't seem to get them both proper withouth any of these weird deformations.

Here is a other link to the file, this absolutely contains no virus :)

read 358 times
9/13/2012 8:12:18 PM (last edit: 9/13/2012 8:16:59 PM)
show user profile  herfst1
You have to weight the vertices after adjusting envelopes.

Select "vertices" which is just below "Edit Envelopes," scroll to the bottom and select "Paint Weights" and unselect "Paint Blended Weights" for now. If you click the "..." next to "Paint Weights" you can adjust the size and strength of your icon (I normally keep the strength around 0.05 to 0.11). You can also adjust the size by holding crtl+shift, and adjust the strength by holding alt+shift. Note: If you hold alt you'll paint negative strength, which comes in handy. Now select your bone and paint away. Once it's close re-select "Paint Blended Weights" to smooth out the transitions.

Later you'll have to add a skin morph to help the skinning when the arm bends... but that's another story.

P.S. Don't forget to mirror your verts.
read 353 times
9/13/2012 8:24:20 PM (last edit: 9/13/2012 8:26:06 PM)
show user profile  ScotlandDave
Personally i never bothered adjusting envelopes as it`s generally a bit vague, just straight in with paint weights or 99% of the time manually selecting bunches of vertices and setting their weights numerically on a per bone basis via the weight-table. Look out for auto-normalising or whatever it`s called ( for example if u assign say 0.7 to a vert, it`ll add the other 0.3 to the next bone up to `normalise` it ie make it a round 1.0 ).. that`s something you`ll learn via trial and error as you learn to weight the bone hierarchy from the top down..

Apart from that - what herfst said.

Website | Blog | Contact | Vimeo

read 347 times
9/13/2012 8:37:59 PM (last edit: 9/13/2012 8:37:59 PM)
show user profile  Narfu
Wow thanks, I noticed the paint tool but couldn't figure out how to use it. This is a very easy way.

Saves a lot of time and zooming in/selecting the vertices. Did a quick paint and it's already ten times better.

Will definitely get the result I want with this.

Thanks a lot!
read 346 times
9/13/2012 8:40:55 PM (last edit: 9/13/2012 8:40:55 PM)
show user profile  herfst1
No problem Narfu.
read 346 times
9/13/2012 8:42:57 PM (last edit: 9/13/2012 8:42:57 PM)
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