74 lines
1.7 KiB
Markdown
74 lines
1.7 KiB
Markdown
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# screen wipe challenges
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Coding challenges for the screen wipe tutorial. #docs
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## Before we get started
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Complete the [screen wipe](/microbit/lessons/screen-wipe) activity and your code will look like this:
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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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input.onButtonPressed("A", () => {
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basic.clearScreen()
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})
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```
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**Challenge 1**
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Create an event handler for Button "B".
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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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input.onButtonPressed("A", () => {
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basic.clearScreen()
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})
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input.onButtonPressed("B", () => {
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})
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```
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**Challenge 2**
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### @video td/videos/screen-wipe-2
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Replay the animation when the "B" button is pressed by typing in `basic->show animation(..., 400)`.
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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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input.onButtonPressed("A", () => {
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basic.clearScreen()
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})
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input.onButtonPressed("B", () => {
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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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```
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**Challenge 3**
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Show an animation that scrolls back up when you press button "B".
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* tap the `run` button to view your final product!
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