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Run animation help
show user profile  Duders
Im having trouble with a run aniamtion. Ive only ever used a very poor rig before which ment you couldnt see all the details. Now that ive found a nie free rig im having trouble outting weight into it.
Heres what ive got so far:

Download
willdudley.co.uk

read 834 times
4/23/2008 7:17:18 AM (last edit: 4/23/2008 7:41:26 AM)
show user profile  mrgrotey
The immediate things I see are that his weight doesnt shift from leg to leg, he stays dead center the whole time, I think his hips should sway slightly to the foot thats going to be taking his weight.

Also he land very flat-footed, whereas he should be landing on his heel




read 812 times
4/23/2008 7:58:35 AM (last edit: 4/23/2008 7:58:35 AM)
show user profile  mak
look up Muybridge
read 800 times
4/23/2008 8:08:35 AM (last edit: 4/23/2008 8:08:35 AM)
show user profile  Dave
Landing on the heel? Maybe if you're running down a steep hill awkwardly! This is a run cycle remember Grotes, not a walk cycle ;)

... or am I an alien?

Anywho's, As Grotey has very wisely pointed out, there is indeed no shift in weight. Are you using reference for this? There's very little in terms of 'falling' and 'pushing' back up again. It's almost as if he's running on terrain that gives away just as he's pushing back off again.

This isn't the best example I could have found, but my mind always switches back to it when I think of 'serious' run cycles:

http://www.youtube.com/watch?v=X66NjLlfvXI&feature=related
About 1:30 in, when the character gets up and pegs it toward to the boat.

I would recommend finding reference from real life though.

"I flew over Egypt once"

read 795 times
4/23/2008 8:12:00 AM (last edit: 4/23/2008 8:12:00 AM)
show user profile  Duders
Ok im aware this could go on for weeks with me posting up and you helping me out, but i think im almost too teh quality i need;


Download
willdudley.co.uk

read 765 times
4/23/2008 10:28:06 AM (last edit: 4/23/2008 10:28:06 AM)
show user profile  Dave
A definite improvment, but he's not running up hill so he needs to be landing more on the ball of his toes, rather than the toes themselves, otherwise it has nothing to bend on for the time it has contact with the ground.

There's still no real sense of lift. I know this is slow motion now... but it's coming across as more of a sneak, at-least in the legs. The poses are just 'incorrect'

His legs are always bent! How can he be using his legs to thrust his body forward, if there's no "thrust"... look at your animation at the points where the legs need to straighten out, right after this is when the body lifts, due to the push! But with yours it just doesn't happen.

Here's a couple of points:



"I flew over Egypt once"

read 755 times
4/23/2008 10:45:11 AM (last edit: 4/23/2008 10:45:29 AM)
show user profile  Duders
Wow, thanks for taking the time to do all that. Ill get on it.

Im now having trouble with the easing in and out of the arms/hands, for some reason i cant use the curve editor ofther than to add key frames, i cant control the tangents. Is this something to do with usin a biped controller?
willdudley.co.uk

read 740 times
4/23/2008 11:10:29 AM (last edit: 4/23/2008 11:38:46 AM)
show user profile  mrgrotey
Its not possible to run putting the front of your foot down, that just looks silly.


I'll stop now ;)

the last image was from this tuorial on run cycles, its for Maya but the principals are universal

http://www.highend3d.com/maya/tutorials/animating/294.html





read 729 times
4/23/2008 11:30:30 AM (last edit: 4/23/2008 11:32:23 AM)
show user profile  Erm Kahoff
For animation perposes, landing on the heel looks more acceptiable to the eye and cartoony, but I run about two to three times a week and have done an ultra marathon all landing on the ball of the foot. The knee doesnt come up so far and you lean further forwad. It saves alot of energy. Unless you get this style exact on an ani, then im pretty sure the guy will look stupid.

REGANART
REGOON



If everyone around you is panicking and you are calm, perhaps you haven't fully grasped the situation


read 690 times
4/24/2008 3:26:19 AM (last edit: 4/24/2008 3:26:19 AM)
show user profile  tuna
First of all follow mak's advice and watch a bunch of the Muybridge stuff because it's perfect for learning runs/walks/jumps.

I'm just going to comment on the poses.. well a pose for now because 1) you need to fix poses before timing and 2) you didn't post quicktime so I can't scrub anyway.


Take this pose here:


Currently what it's lacking a few things that you'd want in a running pose: a dynamic shape, twisting and good staging. The torso doesn't have any twist to it at all, and the hand is blocking the face, in a loose, spanned pose that doesn't look like he's exerting any energy. Remember, you're animating for the camera and it ends up 2d, so think of poses as 2d.

I made a quick pose to demonstrate the twisting issues. Not the best, but hopefully to get the point across:


Here is a comparison of twisting between the poses.

When you run, your arms and legs travel in opposite directions to create a spring loaded locomotive action, and your upper body is actually very important in keeping your balance and mostly for driving your hips.

As a side note, you want the pose to have an arc from the front, which reverses each step (this front pose is crap, but you get the idea):

Now go and watch a load of reference footage of people sprinting.
read 668 times
4/24/2008 7:53:31 AM (last edit: 4/24/2008 7:53:31 AM)
show user profile  Duders
Ok, ive done everything youv'e said, damn you're hasrh mistresses.
One thing, i cant make it repeat its self using the curve editor, i can only copy key frames out. Is this cos its a biped not a rig like im used to? If so how do i get it to repeat?
Still open for crit an willing to edit it:
Download
willdudley.co.uk

read 639 times
4/25/2008 2:46:58 PM (last edit: 4/25/2008 3:59:45 PM)
show user profile  Duders
Ok _3dioot gave me alot of help last night, and i THINK its done:



willdudley.co.uk

read 577 times
4/26/2008 4:59:53 PM (last edit: 4/26/2008 5:04:03 PM)
show user profile  mrgrotey
Looking tons better but it seems like his legs dont bend enough once they are behind him or something, they are very stiff once they come off the ground




read 562 times
4/26/2008 5:08:53 PM (last edit: 4/26/2008 5:08:53 PM)
show user profile  Duders
Why does it become so blindingly obvious once you say it?
willdudley.co.uk

read 558 times
4/26/2008 5:11:12 PM (last edit: 4/26/2008 5:11:12 PM)
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