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rotation animation quiz answers
Learn how to create a rotating image with a while loop. #image #loop #while #docs
This is the answer key for the rotation animation quiz.
1. What is a "global variable"?
Answers may vary. A global variable is a place where you can store data so that you can use it later in your code.
2. Consider the following directions
Write the code to create a global variable called foo that stores a boolean and initialize it to false.
rotating = true
3. Consider the following code
while (rotating) {
}
Explain what this line of code does.
It is a while loop that will be executed only if the global variable called rotating is true.
4. Consider the following code
basic.showAnimation(`
# . . . . . . # . . . . . . # . . . . .
. # . . . . . # . . . . . # . . . . . .
. . # . . . . # . . . . # . . # # # # #
. . . # . . . # . . . # . . . . . . . .
. . . . # . . # . . # . . . . . . . . .
`, 400)
If the rectangle below represents the BBC micro:bit, shade the areas that will be displayed. Explain why that particular area is shaded.
Show animation will show a series of image frames on the LED screen, pausing the specified time (400 milliseconds) after each frame