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Rewrote in simple language. Deleted redundant material.

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Ron Hale-Evans 2016-06-08 16:59:20 -07:00
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docs/reference/input/on-gesture.md
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@ -1,19 +1,17 @@
# On Gesture
Register an [event handler](/reference/event-handler) that will execute whenever the user executes a gesture withthe BBC micro:bit.
Start an [event handler](/reference/event-handler) (part of the
program that will run when something happens) This handler works when
you do a **gesture** (like shake, tilt, or drop the micro:bit).
```sig
input.onGesture(Gesture.Shake,() => {
})
```
## Gestures
## Example: random number
### Example: random number
The following example displays a number from 0-9 on the screen when you shake the BBC micro:bit.
This program shows a number from `0` to `9` when you shake the micro:bit.
```blocks
input.onGesture(Gesture.Shake,() => {
@ -22,24 +20,7 @@ input.onGesture(Gesture.Shake,() => {
})
```
### Example: rock, paper, scissors
## Lessons
The following example shows one of three images (rock, paper, or scissors) when you shake the BBC micro:bit.
```blocks
input.onGesture(Gesture.Shake,() => {
let img = images.createImage(`
. . . . . # # # # # . . . . #
. # # # . # . . . # # # . # .
. # # # . # . . . # . # # . .
. # # # . # . . . # # # . # .
. . . . . # # # # # . . . . #
`)
img.showFrame(Math.random(3))
})
```
### Lessons
[bounce image](/lessons/bounce-image), [rock paper scissors](/lessons/rock-paper-scissors)
[bounce image](/lessons/bounce-image)