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An animation optimization of traditional guide layer animation
2022-08-03 13:07:00 【The rain wing light dust】

文章目录
一、Animate the guide layer
(1)打开素材
Open the caterpillar you made last time first“Movie clip animation”.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-OmS15ZCv-1659366648985)(D:\Typora图片\image-20220801090430709.png)]](/img/be/6123f616f4f6928d594b3cf106a1fc.png)
Delete unnecessary frames.(Save the first frame)
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-gItrvfRa-1659366648985)(D:\Typora图片\image-20220801090855110.png)]](/img/4c/064f49c90898c037b91bff1753994a.png)
这一次,Let's make a bootstrap animation for a caterpillar.
(2)添加引导层
点击“合成”图层,右键“添加引导层”.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-eqH88UFg-1659366648986)(D:\Typora图片\image-20220801090604496.png)]](/img/41/b3e4646f2749f11398f3bf39ce9611.png)
(3)画弧线
在“引导层”图层,我们用【直线工具】画一条直线.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-2fwZfpI4-1659366648986)(D:\Typora图片\image-20220801091019368.png)]](/img/b6/d7bca95274226b510b593474eb792c.png)
然后用【选择工具】Adjust the straight line,become curved“山坡”.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-2HDafzTf-1659366648987)(D:\Typora图片\image-20220801091403391.png)]](/img/14/536f22f43c68daed0fd35918d8a35b.png)
(4)Adjust the caterpillar
Shrink the caterpillar a bit.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-Rc0kWsnA-1659366648989)(D:\Typora图片\image-20220801091536089.png)]](/img/ac/145ce5c7d68c776250ba51442f5d5f.png)
Move its center point down.(The center point can be called up with the free transform tool)
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-FegQa0W3-1659366648990)(D:\Typora图片\image-20220801091643555.png)]](/img/12/771305c316be2c47d9d66abdd0b459.png)
(5)插入帧
在“合成”图层,第30帧,按F6插入关键帧.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-Q0vCT6G6-1659366648990)(D:\Typora图片\image-20220801091841658.png)]](/img/aa/a0a0b9a5cfa0fa60c62d38a5d6586a.png)
在“引导层”图层,第30帧,按F5插入帧.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-9zfCWF8s-1659366648995)(D:\Typora图片\image-20220801091931302.png)]](/img/8b/5f35477919bc11e27208f7ce65084b.png)
(6)Snap to the center point
在“合成”图层,第1帧,Place the center point of the caterpillar,coincides with the line(adsorbed).
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-4f7wY9JI-1659366648996)(D:\Typora图片\image-20220801092211407.png)]](/img/5d/4075b397f2b51f3a35554ba0786c4a.png)
然后是第30帧,Center the caterpillar,Snap to the last line.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-dag2XN6Z-1659366648997)(D:\Typora图片\image-20220801092324655.png)]](/img/54/d6c09b43c3eae6a6615648e091c32d.png)
(7)创建传统补间
在第0帧-30帧,右键“创建传统补间”.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-u5cDtQv7-1659366648998)(D:\Typora图片\image-20220801092447269.png)]](/img/d6/19b2b64ae4fc578b725258ae67e841.png)
(8)效果
看了一下效果,有点快,The number of frames can be increased.(在区间内,按F5添加帧)
Remember to select both the upper and lower layers,Also increase the framerate!
来看一下效果:(If it doesn't work,It can be re-adsorbed)
二、优化
Just made a caterpillar boot animation.
但是,There is an optimization to do here,比如近大远小,Another example is that it is fast when it is close,Slow when far away.
(1)近大远小
1)山顶
on the first summit,按F6创建关键帧.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-LAiXzBYG-1659366648999)(D:\Typora图片\image-20220801093413960.png)]](/img/ad/29ff41c2591acfd83a6a9e051cbc64.png)
按住Shift键,Shrink the caterpillar a bit.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-JMjM1qPw-1659366648999)(D:\Typora图片\image-20220801093513944.png)]](/img/c0/b5c1c7e340dea40b766a4c55abe817.png)
Other peaks are resized in the same way.
2)山谷
in a valley location,It can be enlarged a bit.
Find the location in the valley,按F6创建关键帧.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-x1EBVFFL-1659366649000)(D:\Typora图片\image-20220801093727868.png)]](/img/ba/19ede5357059f0366df6514c8e297d.png)
Use caterpillars【变形工具】放大.(按住Shift键)
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-pUSxg1vP-1659366649000)(D:\Typora图片\image-20220801093819368.png)]](/img/0f/081904bddb7c7e4508cce5f261367e.png)
Other valleys are resized in the same way.
3)效果
全部做完之后,按Ctrl+Enter看一下效果:

(2)近快远慢
1)Ease frame
Start by adding some frame ease before and after.
Select all up and down,鼠标按住不动,Drag back.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-0bD2B6hj-1659366649001)(D:\Typora图片\image-20220801094816363.png)]](/img/61/3b38b0b29933e5c88e784d51cbd8e3.png)
The guide layer can be moved directly over it.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-W7QvrgLk-1659366649001)(D:\Typora图片\image-20220801094940150.png)]](/img/7e/b6c6bfee7011c5f5ea1a667aced5b0.png)
合成层,在第18frame byCtrl+C复制,然后到第1帧Ctrl+Shift+V原地复制.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-qjnwnRbm-1659366649002)(D:\Typora图片\image-20220801095059723.png)]](/img/b4/db7a08c3f461cb316e8ae68b104756.png)
Press directly behindF5Just add frames.(Remember to select both layers)
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-nVF6KerT-1659366649002)(D:\Typora图片\image-20220801095205285.png)]](/img/f2/c45839d2f23dea28deb75256e36c81.png)
2)Adjust up and down slopes
Find that frame on the hillside,Then click on this frame.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-tbOjGcE9-1659366649002)(D:\Typora图片\image-20220801100615407.png)]](/img/5b/cc6399c5337058082808612e21d744.png)
找到右边“补间”效果—>“CE”.
点击铅笔,调出“缓动”.
①上坡的时候,应该是先快后慢.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-wpOUOd56-1659366649003)(D:\Typora图片\image-20220801100734738.png)]](/img/47/2ce74ed5e270d9350c788fd3858cd0.png)
在山顶处,Slightly slower.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-XLfNB37h-1659366649003)(D:\Typora图片\image-20220801101010897.png)]](/img/9d/a245df19f0978a99fc1e8a0c913d43.png)
②下坡的时候,加速.是从慢到快.比如这里.
![[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-Rb573yB0-1659366649004)(D:\Typora图片\image-20220801101342779.png)]](/img/4a/7a3fd96f28d5b79520092f3ba3a7a3.png)
其他位置同理,自行调节.
这里就不再演示了.

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