46 lines
1010 B
Markdown
46 lines
1010 B
Markdown
# On Gesture
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Register an [event handler](/microbit/reference/event-handler) that will execute whenever the user executes a gesture withthe BBC micro:bit.
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```sig
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input.onGesture(Gesture.Shake,() => {
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})
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```
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## Gestures
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### Example: random number
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The following example displays a number from 0-9 on the screen when you shake the BBC micro:bit.
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```blocks
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input.onGesture(Gesture.Shake,() => {
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let x = Math.random(10)
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basic.showNumber(x, 100)
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})
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```
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### Example: rock, paper, scissors
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The following example shows one of three images (rock, paper, or scissors) when you shake the BBC micro:bit.
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```blocks
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input.onGesture(Gesture.Shake,() => {
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let img = images.createImage(`
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. . . . . # # # # # . . . . #
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. # # # . # . . . # # # . # .
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. # # # . # . . . # . # # . .
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. # # # . # . . . # # # . # .
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. . . . . # # # # # . . . . #
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`)
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img.showFrame(Math.random(3))
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})
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```
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### Lessons
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[bounce image](/microbit/lessons/bounce-image), [rock paper scissors](/microbit/lessons/rock-paper-scissors)
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