CSE I Unit 2.2 Exploring Animation - Lesson

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This unit is all about

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and bringing still ​

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to ​

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using computer science.

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How do loops and repetition connect to the art of animation?

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Computers have forever

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the way animations are made. Now, artists can make ​

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, ​

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, and ​

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works of animation at the press of a ​

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!

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How is an animated video made?

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What do you think of when you hear the word animation?

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​

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is a visual illusion of ​

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. Our

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is ​

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into seeing movement when it is shown a series of still images (or ​

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) very quickly, one after another.

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In animation, what is a frame?

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How are our brains tricked into seeing movement when we’re really just looking at a bunch of still images sped up? It has to do with something called the frame ​

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, which is how many still
​

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are being shown per ​

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For a flip book, you can think of this a how quickly you ​through the ​

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.

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​

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is measured by the number of frames per second (fps) that are shown.
​

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frame rates means ​

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images are ​

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per​

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The animation appears to be smoother and more realistic.

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In animation, what is frame rate?

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Let’s compare three ​

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frame rates for an animation of a galloping ​

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in Scratch.
Each ​

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uses the ​

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15 images of the horse, but each one has a ​

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frame rate, which we can compare using frames per second (fps).

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Today’s Scratch project will have a frame rate of 10 fps. This means that every ​

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, your ​

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will see 10 ​

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, creating the illusion of ​

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.