View Full Version : Body mechanics - need help

03 March 2009, 02:34 AM

im having problems with a study of body mechanics, my character still has the some block moves, i needs more head and spine moviments, but i dont know well what i can do to appear a cartoon, i watched a lot of refence moves of weight lifts, but they hadnt helped

the wip movie is in HERE (

any suggestion will be really apreciated


03 March 2009, 02:19 PM
worked more on the study

any suggestions?

WIP 02
vimeo link (


03 March 2009, 07:13 PM
That's not *BAD*. You've probably seen some ghastly heavy lifts out there and this is better than most.

The essential poses seem to be there, but since this is "blocking' it's hard to predict how successfully you will polish this.

The weakest part is his walk to the bar at the beginning. That has the least weight of all.

You'll definitely want to solve the problem of the bar not moving with his hands.

The flexing of the bar seems inconsistent.

Near the end when he is adjusting his legs to get them close together underneath himself, he's going to have to get a little hop in somehow to get enough weight off his leg so that he can actually move it. It will be fast.

Edit: I just noticed your WIP 02 version. Most of the above still applies. I think his various hops and jumps have too much "air-time". They last too long.

Tad Ghostal
03 March 2009, 08:43 AM
Like robcat2075 said the beginning is really floaty right now. And his right arm and fingers at the beginning look really rigid. His left hand snaps to the bar. Maybe you could have his knees tremble also when he's lifting to make it look like more of a struggle.

When the weight rolls back it's intersecting with the floor plane a bit as it rolls, you should also probably have it spin around a bit more before it comes to a final rest. I've seen weights fall off the bar before and they tend to do that.

You've got some really nice poses in there and your final should look pretty good once you get to the clean up phase.

Good luck.

03 March 2009, 05:21 PM
i worked more on the arms and fingers, the left hand snap,
the weight intersecting with the floor and tried to add a knee trumble, but it think i need to make the movement a little slower at the beginning

i made the jumps quicker, i think it is a lot better now

to make the weight roll longer will be a little difficult because im having problems with the gimbal lock and i dont know how to change the hierarchy of the axis in maya.

thanks for all the suggetions, it helped a lot

here is the link for the third wip (

03 March 2009, 03:47 PM
i think now is the final version, the weight rolling is a little fake but i will leave this way, im experiencing some difficults in the axis in maya, i will study that more

link for the movie (


03 March 2009, 04:35 PM
Not going to give a heavy critique but the main thing that stands out the most is when he brings the weight up to his chest/shoulders. It's wwaaaayyyy too slow for that amount of weight. Unless the weight is light, he's superman, or he's a dragon ball z character, there is no way a person would be able to go through that movement that slow. That part(frame 228-245) has to be snappier, faster. It's a simple fix. Just fix the timing.

My advice when dealing with heavy weighted animation, really this goes for any animation, would be to gather reference and act it out. I used to work out alot and that used to be one of my favorite exercises to do. So when i saw that part of the animation i immediately knew the timing is off.

I know you said this may be your final version but weighting and timing is so important in animation i would take the time to make the fast simple fix. Just my advice.

03 March 2009, 06:45 PM
thanks ajfrank, i changed the timing and put the 2 animation side by side and the diference is big, im rerendering it and i will post today
if u can check if it is better or i can make it quicker please, fell free to say

if you have time, please critique everything u fell strange

its been dificult to receave any critics, i posted in 4 foruns trying to achive this but i think animation is a group too restric of people

03 March 2009, 08:16 PM
I think you have good weight going on here. Yeah, I agree that the lift is too slow; you could change the timing of the it but that could offset the rest of the shot. I'd adjust the spacing first and see if you can work with what you already have.

Could you post a quicktime of this? Id like to get a better look at what you have going on here. Not being able to scrub and play frame by frame is limiting.

ps: Why are you re-rendering everytime? Just send us a playblast. Thats time you could be using to fix the animation.

03 March 2009, 01:15 AM
detached, to avoid that ofset i changed only the time in that lift, it starts some frames later now

i dont know why im rendering, may be its because i like the rendered version and i think i will not receive the same amount of comments =]

here is the mov file

zipped version


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03 March 2009, 01:15 AM
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