Animation Processing

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Animation Processing

Post  admin on Tue 20 Jul 2010, 8:22 am

Similar to videos, animation also utilises images to produce the illusion of movement. There are three common techniques for producing animations.
- Cel-based animation
- Path-based animation
- Tweening
Cel-based animation

Cel-based animation creates a separate image for each frame of the animation with small differences in the images to create the illusion of movement. This is similar to flipbook-style paper animations, where in each frame the image is changed slightly. Cel-based animation uses transparent 'cels' or frames overlaying a static background. This saves time and money redrawing unecessary objects.
Path-based animation

Path-based animation requires a path or movement to be predetermined and described for each object. for example, coordinates can be used to determine an equation for the path.The frames are then created with the objects in their correct locations along the path. This is commonly used in computer games where characters and objects move along a predetermined path and perform predetermined actions.
Tweening

Tweening is an animation technique where a computer generates a frame in between two key frames. The more in betweens (or tweens) between the key frames, the smoother the animation will be. Tweening has enabled the saving of time in producing frames in between which may be many frames with only small differences.

An example of tweening in an animation.

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