Name: 皮克斯的動畫如何變得如此逼真 | 電影內幕（How Pixar's Movement Animation Became So Realistic | Movies Insider）
Uploaded: 2022-06-05T11:27:14.000Z
Duration: 13 min 8 s
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Even though it's animated, everything about

how the fingers float from one key to another

to the small details like tendons moving in the hand

While Pixar has used reference footage since the beginning,

And it took years of technological breakthroughs.

First off, they have an army of animators and riggers.

with the technology built for "Toy Story."

starts in Pixar's rigging and modeling department.

Whenever you're thinking of a character model

before it's rigged, it's in a completely neutral pose.

And so the controls that we put in in rigging

lets parts of the body move like you would pose

let's start with this character model of Woody.

Throughout this rig you can see all these controls

different parts of a character move around.

This early version of Woody had 596 of those controls,

but by 2019's "Toy Story 4," Woody had more than 7,000.

To make things a little more complicated,

Adding more controls to these "Toy Story" characters

would have let them move with more nuance,

but back then, Pixar was making a brand new rig

Pixar introduced Geppetto, later updated to Presto,

The new software provided a template of two-legged

and four-legged rigs that could be altered

depending on the specific needs of a character.

According to rigger Jared Fong, the sea lions

in "Finding Dory" were actually constructed from dog rigs,

but eyebrows are so important for expressing human emotions.

So animators decided to add eyebrow-like lumps

meant connecting more control points with each other.

You can see that with Dory. The control points

around her mouth are connected with her eyes and her cheeks,

After making major strides with toys and sea creatures,

the most daunting challenge was yet to come: humans.

Mr. Incredible consisted of 426 primary controls,

111 secondary animation controls for more subtle movements,

Thanks to Geppetto, the rigging and modeling team

and then reuse his rig for other characters.

And to really make his movements realistic

where Mr. Incredible lifts up an Omnidroid.

And the team didn't animate just a rigid skeleton.

On top of the skeleton was a layer of muscles,

So Pixar developed a new system called Goo.

This allowed the animators to see the skin

and muscles react in real time as they worked,

allowing for greater flexibility and movement

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皮克斯的動畫如何變得如此逼真 | 電影內幕（How Pixar's Movement Animation Became So Realistic | Movies Insider）

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