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create an arrow that randomly points to a player. #docs

To create a new script, go to the Create Code page and tap New Project under Touch Develop.

Let's begin by adding an input->on shake condition to know when the BBC micro:bit is shaken.

input.onGesture(Gesture.Shake, () => {
})

Now let's randomly generate a number from 0 to 3 so that we can randomly display an arrow in a given direction.

input.onGesture(Gesture.Shake, () => {
    let randomArrow = Math.random(4)
})

Now let's handle each of the cases by displaying the appropriate arrow. (Let's display an up arrow if random arrow is 0.

input.onGesture(Gesture.Shake, () => {
    let randomArrow1 = Math.random(4)
    if (randomArrow1 == 0) {
        basic.showLeds(`
. . # . .
. # # # .
# # # # #
. . # . .
. . # . .
`, 400)
    }
})

Now let's handle the rest of the cases for random arrow.

input.onGesture(Gesture.Shake, () => {
    let randomArrow2 = Math.random(4)
    if (randomArrow2 == 0) {
        basic.showLeds(`
. . # . .
. # # # .
# # # # #
. . # . .
. . # . .
`, 400)
    } else if (randomArrow2 == 1) {
        basic.showLeds(`
. . # . .
. . # . .
# # # # #
. # # # .
. . # . .
`, 400)
    }
    else if (randomArrow2 == 2) {
        basic.showLeds(`
. . # . .
. . # # .
# # # # #
. . # # .
. . # . .
`, 400)
    }
    else if (randomArrow2 == 3) {
        basic.showLeds(`
. . # . .
. # # . .
# # # # #
. # # . .
. . # . .
`, 400)
    }
})

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Excellent, you're ready to continue with the challenges!

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