Installation
Differences to Scratch
Costumes, Backdrops and Sounds
Changelog
Multiple Approach Design

Documentation

getHeight()
getInstance()
getWidth()
isDebug()
setDebug()
setStage()
🚧 exit
🚧 getDeltaTime
🚧 setDefaultFont
🚧 whenExits

Looks

add()
addBackdrop()
changeColor()
changeTint()
changeTransparency()
display()
getAll()
getCurrentBackdropIndex()
getCurrentBackdropName()
nextBackdrop()
remove()
removeAll()
removeBackdrop()
setColor()
setCursor()
setTint()
setTransparency()
switchBackdrop()
🚧 eraseAll
🚧 eraseBackground
🚧 eraseForeground
🚧 randomBackdrop
🚧 removeAllPens
🚧 removeAllSprites
🚧 removeAllTexts
🚧 setSorter

Sound

addSound()
isSoundPlaying()
playSound()
removeSound()
stopAllSounds()
stopSound()

Events

broadcast(message)
run()
whenBackdropSwitches()
whenIReceive(message)
whenKeyPressed(keyCode)
🚧 whenKeyReleased
🚧 whenMouseClicked
🚧 whenMouseWheelMoved

Sensing

Operators

pickRandom()

Motion

changeX()
changeY()
getDirection()
getX()
getY()
move()
setDirection()
setOnEdgeBounce()
setPosition()
setRotationStyle()
setX()
setY()
turnLeft()
turnRight()
🚧 goToMousePointer
🚧 goToRandomPosition
🚧 goToSprite
🚧 pointInDirection
🚧 pointTowardsMousePointer
🚧 pointTowardsSprite

Looks

addCostume()
changeTint()
changeTransparency()
getCurrentCostumeIndex()
getCurrentCostumeName()
getHeight()
getPixels()
getSize()
getWidth()
goLayersBackwards()
goLayersForwards()
goToBackLayer()
goToFrontLayer()
hide()
isUI
isVisible()
nextCostume()
say()
setSize()
setTint()
setTransparency()
show()
switchCostume()
think()
🚧 stamp
🚧 stampToBackground
🚧 stampToForeground
🚧 stampToUI

Sound

addSound()
isSoundPlaying()
playSound()
removeSound()
stopAllSounds()
stopSound()

Events

broadcast(message)
run()
whenBackdropSwitches()
whenClicked()
whenIReceive(message)
whenKeyPressed(keyCode)
whenMouseMoved(x, y)
🚧 whenAddedFromStage
🚧 whenKeyReleased
🚧 whenMouseClicked
🚧 whenRemovedFromStage

Sensing

addTimer()
distanceToMousePointer()
distanceToSprite()
getCurrentDay()
getCurrentDayOfWeek()
getCurrentHour()
getCurrentMillisecond()
getCurrentMinute()
getCurrentMonth()
getCurrentSecond()
getCurrentYear()
getDaysSince2000()
getHitbox()
getMouseX()
getMouseY()
getTimer()
isKeyPressed()
isMouseDown()
isTouchingEdge()
isTouchingMousePointer()
isTouchingSprite()
removeTimer()
setHitbox()
🚧 disableHitbox
🚧 enableHitbox
🚧 getDeltaTime
🚧 getMouse
🚧 getStage
🚧 getTouchingSprite
🚧 getTouchingSprites

Operators

pickRandom()

Pen

getPen()

Extensions

afterMillis()
everyMillis()
forMillis()
intervalMillis()
reset()

Animation

Looks

addAnimation()
getAnimationFrame()
getAnimationInterval()
isAnimationPlayed()
playAnimation()
resetAnimation()
setAnimationFrame()
setAnimationInterval()

FS

load()
save()

Math

noise()
noiseSeed()
random()
randomInt()
randomSeed()

🚧 add
🚧 angle
🚧 distance
🚧 distanceSq
🚧 dot
🚧 fromPolar
🚧 getX
🚧 getY
🚧 length
🚧 lengthSq
🚧 multiply
🚧 normalVector
🚧 reverse
🚧 rotateBy
🚧 rotateTo
🚧 sub
🚧 unitVector

changeColor()
changeSize()
changeTransparency()
down()
eraseAll()
setColor()
setPosition()
setSize()
setTransparency()
up()

Recorder

FFmpeg
Frame
GIF

camera

🚧 changeX
🚧 changeY
🚧 changeZoom
🚧 getPosition
🚧 getX
🚧 getY
🚧 getZoom
🚧 resetZoom
🚧 setPosition
🚧 setX
🚧 setY
🚧 setZoom
🚧 setZoomLimit
🚧 toGlobalPosition
🚧 toGlobalX
🚧 toGlobalY
🚧 toLocalPosition
🚧 toLocalX
🚧 toLocalY

lerp()
🚧 absOf
🚧 acos
🚧 asin
🚧 atan
🚧 ceilingOf
🚧 constrain
🚧 cosOf
🚧 eToThePowerOf
🚧 floorOf
🚧 lnOf
🚧 logOf
🚧 map
🚧 max
🚧 min
🚧 mod
🚧 sinOf
🚧 sqrtOf
🚧 tanOf
🚧 tenToThePowerOf

Examples

Cat
Clock
Donut IO
Pipes
Rainbow Vine
Random Dot
Robot
Sensing
Shakespeare
Smart Rocket
Stress Test
Tiled
Timed Dot
Timer

Tutorials

Getting Started

Powered by Hyperbook

Scratch for Java

Contact
Translations
- 🇬🇧
  English
- 🇩🇪
  Deutsch

Installation
Differences to Scratch
Costumes, Backdrops and Sounds
Changelog
Multiple Approach Design

Documentation

getHeight()
getInstance()
getWidth()
isDebug()
setDebug()
setStage()
🚧 exit
🚧 getDeltaTime
🚧 setDefaultFont
🚧 whenExits

Looks

add()
addBackdrop()
changeColor()
changeTint()
changeTransparency()
display()
getAll()
getCurrentBackdropIndex()
getCurrentBackdropName()
nextBackdrop()
remove()
removeAll()
removeBackdrop()
setColor()
setCursor()
setTint()
setTransparency()
switchBackdrop()
🚧 eraseAll
🚧 eraseBackground
🚧 eraseForeground
🚧 randomBackdrop
🚧 removeAllPens
🚧 removeAllSprites
🚧 removeAllTexts
🚧 setSorter

Sound

addSound()
isSoundPlaying()
playSound()
removeSound()
stopAllSounds()
stopSound()

Events

broadcast(message)
run()
whenBackdropSwitches()
whenIReceive(message)
whenKeyPressed(keyCode)
🚧 whenKeyReleased
🚧 whenMouseClicked
🚧 whenMouseWheelMoved

Sensing

Operators

pickRandom()

Motion

changeX()
changeY()
getDirection()
getX()
getY()
move()
setDirection()
setOnEdgeBounce()
setPosition()
setRotationStyle()
setX()
setY()
turnLeft()
turnRight()
🚧 goToMousePointer
🚧 goToRandomPosition
🚧 goToSprite
🚧 pointInDirection
🚧 pointTowardsMousePointer
🚧 pointTowardsSprite

Looks

addCostume()
changeTint()
changeTransparency()
getCurrentCostumeIndex()
getCurrentCostumeName()
getHeight()
getPixels()
getSize()
getWidth()
goLayersBackwards()
goLayersForwards()
goToBackLayer()
goToFrontLayer()
hide()
isUI
isVisible()
nextCostume()
say()
setSize()
setTint()
setTransparency()
show()
switchCostume()
think()
🚧 stamp
🚧 stampToBackground
🚧 stampToForeground
🚧 stampToUI

Sound

addSound()
isSoundPlaying()
playSound()
removeSound()
stopAllSounds()
stopSound()

Events

broadcast(message)
run()
whenBackdropSwitches()
whenClicked()
whenIReceive(message)
whenKeyPressed(keyCode)
whenMouseMoved(x, y)
🚧 whenAddedFromStage
🚧 whenKeyReleased
🚧 whenMouseClicked
🚧 whenRemovedFromStage

Sensing

addTimer()
distanceToMousePointer()
distanceToSprite()
getCurrentDay()
getCurrentDayOfWeek()
getCurrentHour()
getCurrentMillisecond()
getCurrentMinute()
getCurrentMonth()
getCurrentSecond()
getCurrentYear()
getDaysSince2000()
getHitbox()
getMouseX()
getMouseY()
getTimer()
isKeyPressed()
isMouseDown()
isTouchingEdge()
isTouchingMousePointer()
isTouchingSprite()
removeTimer()
setHitbox()
🚧 disableHitbox
🚧 enableHitbox
🚧 getDeltaTime
🚧 getMouse
🚧 getStage
🚧 getTouchingSprite
🚧 getTouchingSprites

Operators

pickRandom()

Pen

getPen()

Extensions

afterMillis()
everyMillis()
forMillis()
intervalMillis()
reset()

Animation

Looks

addAnimation()
getAnimationFrame()
getAnimationInterval()
isAnimationPlayed()
playAnimation()
resetAnimation()
setAnimationFrame()
setAnimationInterval()

FS

load()
save()

Math

noise()
noiseSeed()
random()
randomInt()
randomSeed()

🚧 add
🚧 angle
🚧 distance
🚧 distanceSq
🚧 dot
🚧 fromPolar
🚧 getX
🚧 getY
🚧 length
🚧 lengthSq
🚧 multiply
🚧 normalVector
🚧 reverse
🚧 rotateBy
🚧 rotateTo
🚧 sub
🚧 unitVector

changeColor()
changeSize()
changeTransparency()
down()
eraseAll()
setColor()
setPosition()
setSize()
setTransparency()
up()

Recorder

FFmpeg
Frame
GIF

camera

🚧 changeX
🚧 changeY
🚧 changeZoom
🚧 getPosition
🚧 getX
🚧 getY
🚧 getZoom
🚧 resetZoom
🚧 setPosition
🚧 setX
🚧 setY
🚧 setZoom
🚧 setZoomLimit
🚧 toGlobalPosition
🚧 toGlobalX
🚧 toGlobalY
🚧 toLocalPosition
🚧 toLocalX
🚧 toLocalY

lerp()
🚧 absOf
🚧 acos
🚧 asin
🚧 atan
🚧 ceilingOf
🚧 constrain
🚧 cosOf
🚧 eToThePowerOf
🚧 floorOf
🚧 lnOf
🚧 logOf
🚧 map
🚧 max
🚧 min
🚧 mod
🚧 sinOf
🚧 sqrtOf
🚧 tanOf
🚧 tenToThePowerOf

Examples

Cat
Clock
Donut IO
Pipes
Rainbow Vine
Random Dot
Robot
Sensing
Shakespeare
Smart Rocket
Stress Test
Tiled
Timed Dot
Timer

Tutorials

Getting Started

Powered by Hyperbook

Stage::eraseBackground

Stage::eraseBackground

The documentation is under construction.

🚧 eraseBackground

🚧 eraseAll 🚧 eraseForeground

✎ GitHubCC BY-NC-SA by OpenPatch

Contact

Translations
- 🇬🇧
  English
- 🇩🇪
  Deutsch