27 lines
680 B
Markdown
27 lines
680 B
Markdown
# On Gesture
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Start an [event handler](/reference/event-handler) (part of the
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program that will run when something happens) This handler works when
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you do a **gesture** (like shaking the @boardname@).
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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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### Parameters
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* ``gesture`` means the way you hold or move the @boardname@. This can be `shake`, `logo up`, `logo down`, `screen up`, `screen down`, `tilt left`, `tilt right`, `free fall`, `3g`, or `6g`.
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### Example: random number
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This program shows a number from `0` to `9` when you shake the @boardname@.
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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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