pxt-calliope/docs/reference/game/clear.md
Juri Wolf a93febb5b7
Map and clean deprecated functions (#175)
* add image and deprecated arrow functions

* update locales

* map basic.showArrow

* map arrow blocks

* map & remove arrow images

* remove arrow blocks

* update locales

* remove & patch:
rgbw -> rgb
button/pin pressed -> button/pin event
loudness -> soundLevel

* update ts mappings for arrows

* add wip ts patch rules

* update .blocks files

* use Click instead of Down as default in Documentation and tests

* patch test.blocks

* fix lowercase name tag

* update test.blocks

* update blocks test files

* update blocks test files

* format block files

* pass blocks file tests

* fix ts mapping

* fix color.defl value

closes https://github.com/microsoft/pxt-calliope/issues/136

* fix ts mappings

- add optional spacing at the end of rgbw()
- map up to v4.0.19

* add suggested changes

* replace innerText by textContent

Co-authored-by: JW <gitkraken@juriwolf.de>
Co-authored-by: Juri <info@juriwolf.de>
2022-04-26 10:28:42 -07:00

751 B

Clear

The clear function for images.

Turn off all the pixels in an Image.

JavaScript

export function clear(img: micro_bit.Image)

Parameters

  • none

Example

The following example turns off the pixels of img when the A input button is pressed:

let img = images.createImage(`
. . . . .
. # # # .
. # # # .
. # # # .
. . . . .
`)
img.showImage(0)
input.onButtonEvent(Button.A, ButtonEvent.Down, () => {
    img.clear()
    img.showImage(0)
})

See also

Image, show animation, show image, scroll image, create image