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      <title>CG 1 - squash and stretch by Mr. Feely</title>
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      <pubDate>2016-08-09 16:59:50 UTC</pubDate>
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         <description><![CDATA[<div>squash and stretch</div>]]></description>
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         <pubDate>2016-08-09 17:03:46 UTC</pubDate>
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         <pubDate>2016-08-09 17:05:38 UTC</pubDate>
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         <author>sfeely1</author>
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         <pubDate>2016-08-09 17:07:10 UTC</pubDate>
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         <title>Principles of animation</title>
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         <description><![CDATA[<div><br>The principle is based on observation that only <a href="https://en.wikipedia.org/wiki/Stiffness">stiff</a> objects remain inert during motion,<a href="https://en.wikipedia.org/wiki/Squash_and_stretch#cite_note-Thomas_.26_Johnston.2C_p.47-1">[1]</a> while objects that are not stiff, although retaining overall volume, tend to change shape in an extent that depends on <a href="https://en.wikipedia.org/wiki/Inertia">inertia</a> and <a href="https://en.wikipedia.org/wiki/Elasticity_(physics)">elasticity</a> of the different parts of the moving object. To illustrate the principle, a half-filled flour sack dropped on the floor, or stretched out by its corners, was shown to be retaining its overall volume all the time.<br><br></div><div><br>Examples of the elasticity of the human body in motion were found in photographs the animators found in newspaper sports pages. Using these poses as reference the animators were able to start "observing (the motion) in a new way".<a href="https://en.wikipedia.org/wiki/Squash_and_stretch#cite_note-Thomas_.26_Johnston.2C_p.48-2">[2]<br></a><br></div>]]></description>
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