46 lines
1014 B
Markdown
46 lines
1014 B
Markdown
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# rotation animation quiz
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Learn how to create a rotating image with a while loop. #image #loop #while #docs
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## Name
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## Directions
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Use this activity document to guide your work in the [rotation animation tutorial](/microbit/lessons/rotation-animation/tutorial).
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Answer the questions while completing the tutorial. Pay attention to the dialogues!
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## 1. What is a "global variable"?
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<br />
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## 2. Write the code to create a global variable called foo that stores a boolean and initialize it to false.
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<br/>
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## 3. Explain why you use a while loop with a global variable
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```
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while (rotating) {
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}
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```
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<br/>
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## 4. Draw the areas on the micro:bits to illustrate the code below. Explain why you chose to draw in those areas.
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```
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basic.showAnimation(`
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# . . . . . . # . . . . . . # . . . . .
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. # . . . . . # . . . . . # . . . . . .
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. . # . . . . # . . . . # . . # # # # #
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. . . # . . . # . . . # . . . . . . . .
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. . . . # . . # . . # . . . . . . . . .
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`, 400)
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```
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<br/>
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