Computer animation

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Published on December 10, 2021 9:46:29 AM ● Video Link: https://www.youtube.com/watch?v=Hs07zAyISgg

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Computer animation, by Wikipedia https://en.wikipedia.org/wiki?curid=6777 / CC BY SA 3.0

#Computer_animation
#Computer_graphics
#Animation_techniques
An example of computer animation which is produced from the "motion capture" technique Computer animation is the process used for digitally generating animated images.
The more general term computer-generated imagery （CGI） encompasses both static scenes and dynamic images, while computer animation only refers to moving images.
Modern computer animation usually uses 3D computer graphics to generate a three-dimensional picture, although 2D computer graphics are still used for stylistic, low bandwidth, and faster real-time renderings.
Sometimes, the target of the animation is the computer itself, but sometimes film as well.
Computer animation is essentially a digital successor to stop motion techniques, but using 3D models, and traditional animation techniques using frame-by-frame animation of 2D illustrations.
Computer-generated animations can also allow a single graphic artist to produce such content without the use of actors, expensive set pieces, or props.
To create the illusion of movement, an image is displayed on the computer monitor and repeatedly replaced by a new image that is similar to it but advanced slightly in time （usually at a rate of 24, 25, or 30 frames/second）.
This technique is identical to how the illusion of movement is achieved with television and motion pictures.
For 3D animations, objects （models） are built on the computer monitor （modeled） and 3D figures are rigged with a virtual skeleton.
For 2D figure animations, separate objects （illustrations） and separate transparent layers are used with or without that virtual skeleton.
Then the limbs, eyes, mouth, clothes, etc.
of the figure are moved by the animator on key frames.
The differences in appearance between key frames are automatically calculated by the computer in a process known as tweening or morphing.
Finally, the animation is rendered.
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