CAT Project (Computer Aided Tweening). Andrew Yurovchak. What the hell’s tweening?. Comes from the term in-betweening, the process by which an intermediate frame of animation is created by using two “key frames” (usually drawn by the head artist) as references to create smoother animation.
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CAT File – simplified model of picture used for tweening
Format Extractor – converts an image into a CAT file
Drawing Pad – allows the creating of CAT files directly
Player – displays the animation sequence created with tweened frames at a given frames per second
Tweener – core of the program, configures the point arcs that ultimately determine the interpolated frames
Server – used to store and organize frame sequences, CAT files, and tweening data among different animators
Right about here
For each phase CAT should be able to draw, extract, tween, and play the following:
1. Lines 2. Arcs 3. Colors