Setup
Tutorials
Getting Started
Make it Walk
Catch the Coins
Red Light, Green Light
Guess the Number
Bouncing Hedgehog
Dodge the Rocks
Scratch → Java cheat sheet
Differences to Scratch
It doesn't work!
Costumes, Backdrops and Sounds
Examples
Cat
Cat Platformer
Clock
Coin Collector
Custom drawing
Donut IO
Glide
Pipes
Quiz
Rainbow Vine
Random Dot
Robot
Save Slots
Sensing
Shader
Shakespeare
Smart Rocket
Stress Test
Tiled
Timed Dot
Timer
UI
Volume
Sprites
Sounds
For teachers
Multiple Approach Design
Abiturklassen NRW
Download
Moving from 6.x to 7.0
Changelog
org.openpatch.scratch
Clock
Clock()
getDay()
getDayOfWeek()
getDaysSince2000()
getHour()
getMillisecond()
getMinute()
getMonth()
getSecond()
getYear()
Camera
Camera()
changeX()
changeY()
changeZoom()
getPosition()
getX()
getY()
getZoom()
resetZoom()
setPosition()
setX()
setY()
setZoom()
setZoomLimit()
toScreenPosition()
toScreenX()
toScreenY()
toWorldPosition()
toWorldX()
toWorldY()
Circle
Circle()
Color
Color()
equals()
fromARGB()
fromHSB()
getAlpha()
getBlue()
getBrightness()
getGreen()
getHue()
getRed()
getSaturation()
hashCode()
toARGB()
toString()
withAlpha()
withBlue()
withBrightness()
withGreen()
withHue()
withRed()
withSaturation()
Drawing
BitmapText
BitmapText()
addGlyph()
draw()
getContent()
getHeight()
getWidth()
setAlign()
setFont()
setLetterSpacing()
setLineSpacing()
setSpaceWidth()
showText()
Drawing
Drawing()
clip()
image()
imageHeight()
imageWidth()
noClip()
polygon()
rectangle()
DrawingExtension
DrawingExtension()
id()
install()
name()
requires()
version()
DrawingSprite
DrawingSprite()
draw()
Ellipse
Ellipse()
Gamepad
Gamepad
Gamepad()
getStick()
getTrigger()
isButtonPressed()
isConnected()
GamepadListener
GamepadListener()
whenGamepadButtonPressed()
whenGamepadButtonReleased()
whenGamepadConnected()
HtmlColor
HtmlColor()
getRandom()
Operators
Operators()
absOf()
acosOf()
asinOf()
atanOf()
ceilingOf()
constrain()
cosOf()
eToThePowerOf()
floorOf()
lerp()
lnOf()
logOf()
map()
max()
min()
mod()
round()
sinOf()
sqrtOf()
tanOf()
tenToThePowerOf()
Pen
Pen()
changeColor()
changeSize()
changeTransparency()
down()
eraseAll()
getColor()
getLayer()
getPosition()
getSize()
getTransparency()
goToMousePointer()
goToRandomPosition()
isDown()
setColor()
setLayer()
setPosition()
setSize()
setTransparency()
stamp()
up()
Pixels
Pixels()
getArgb()
getColor()
getHeight()
getWidth()
of()
Polygon
Polygon()
addPoint()
Random
Random()
noise()
noiseSeed()
random()
randomInt()
randomPosition()
randomSeed()
randomVector2()
randomX()
randomY()
Recorder
GifEncoder
GifEncoder()
addFrame()
finish()
setDelay()
setDispose()
setFrameRate()
setQuality()
setRepeat()
setTransparent()
start()
GifRecorder
GifRecorder()
snapshot()
start()
stop()
RecorderExtension
RecorderExtension()
id()
install()
name()
requires()
version()
Rectangle
Rectangle()
Save
File
File()
load()
loadOrCreate()
save()
SaveData
SaveData()
getLocation()
loadOrDefault()
path()
save()
SaveExtension
SaveExtension()
id()
name()
requires()
version()
Shader
Shader()
getName()
set()
setName()
Shaders
Shaders()
activate()
add()
deactivate()
get()
getActive()
getCurrent()
getCurrentIndex()
getCurrentName()
isActive()
next()
reset()
switchTo()
Shape
Shape()
contains()
getBounds()
getPoints()
intersects()
rotate()
scale()
translate()
SoundPlayback
SoundPlayback()
isPlaying()
setVolume()
stop()
Sprite
Sprite()
addAnimation()
addCostume()
addCostumes()
addSound()
ask()
broadcast()
changeColorEffect()
changeHeight()
changePosition()
changeSize()
changeTransparency()
changeVolume()
changeWidth()
changeX()
changeY()
createClone()
debug()
deleteThisClone()
disableHitbox()
disableNineSlice()
distanceToMousePointer()
distanceToSprite()
enableHitbox()
extension()
getAnimationFrame()
getAnimationInterval()
getAnswer()
getColorEffect()
getCurrentCostumeIndex()
getCurrentCostumeName()
getDirection()
getHeight()
getHitbox()
getLayer()
getMouse()
getMouseX()
getMouseY()
getPen()
getPosition()
getRotationStyle()
getShaders()
getSize()
getStage()
getText()
getTimer()
getTint()
getTouchingSprite()
getTouchingSprites()
getTransparency()
getVolume()
getWidth()
getX()
getY()
glide()
goLayersBackwards()
goLayersForwards()
goToBackLayer()
goToFrontLayer()
goToMousePointer()
goToRandomPosition()
goToSprite()
hide()
hideVariable()
ifOnEdgeBounce()
isAnimationPlayed()
isAsking()
isClone()
isColorTouchingColor()
isGliding()
isKeyPressed()
isMouseDown()
isSoundPlaying()
isTouchingColor()
isTouchingEdge()
isTouchingMousePointer()
isTouchingSprite()
isVisible()
move()
nextCostume()
pickRandom()
playAnimation()
playSound()
playSoundCopy()
pointTowards()
pointTowardsMousePointer()
previousCostume()
remove()
resetAnimation()
run()
say()
setAnimationFrame()
setAnimationInterval()
setColorEffect()
setDirection()
setHeight()
setHitbox()
setLayer()
setNineSlice()
setPosition()
setRotationCenter()
setRotationStyle()
setSize()
setTint()
setTransparency()
setVolume()
setWidth()
setX()
setY()
show()
showVariable()
stamp()
stopAllSounds()
stopSound()
switchCostume()
think()
toString()
turnLeft()
turnRight()
whenAddedToStage()
whenBackdropSwitches()
whenClicked()
whenIReceive()
whenKeyPressed()
whenKeyReleased()
whenMouseClicked()
whenMouseMoved()
whenRemovedFromStage()
whenStartsAsClone()
Stage
Stage()
add()
addBackdrop()
addSound()
ask()
broadcast()
changeColorEffect()
changeTransparency()
changeVolume()
count()
debug()
display()
eraseAll()
extension()
find()
getAll()
getAnswer()
getCamera()
getColor()
getColorEffect()
getCurrentBackdropIndex()
getCurrentBackdropName()
getHeight()
getMouse()
getMouseX()
getMouseY()
getShaders()
getTimer()
getTransparency()
getVolume()
getWidth()
hideVariable()
isAsking()
isKeyPressed()
isMouseDown()
isSoundPlaying()
nextBackdrop()
pickRandom()
playSound()
playSoundCopy()
previousBackdrop()
randomBackdrop()
remove()
removeAll()
run()
setColor()
setColorEffect()
setCursor()
setTint()
setTransparency()
setVolume()
showVariable()
sortBy()
sortByY()
stopAllSounds()
stopSorting()
stopSound()
switchBackdrop()
waitSeconds()
waitUntil()
whenBackdropSwitches()
whenIReceive()
whenKeyPressed()
whenKeyReleased()
whenMouseClicked()
whenMouseWheelMoved()
Text
Text()
addFont()
getAlign()
getCurrentFontIndex()
getCurrentFontName()
getDefaultFont()
getDefaultFontSize()
getFont()
getLayer()
getPosition()
getStage()
getStyle()
getText()
getTextSize()
getWidth()
getX()
getY()
goLayersBackwards()
goLayersForwards()
goToBackLayer()
goToFrontLayer()
hide()
isVisible()
nextFont()
remove()
setAlign()
setBackgroundColor()
setFont()
setLayer()
setPosition()
setStrokeColor()
setStyle()
setTextColor()
setTextSize()
setWidth()
setX()
setY()
show()
showText()
switchFont()
useFont()
whenAddedToStage()
whenRemovedFromStage()
Tiled
MapObject
MapObject()
getProperty()
getPropertyBoolean()
getPropertyFloat()
getPropertyInt()
getShape()
setClassName()
Property
Property()
setText()
TiledExtension
TiledExtension()
id()
install()
name()
requires()
version()
TiledMap
TiledMap()
getHeight()
getObjectsFromLayer()
getProperty()
getPropertyBoolean()
getPropertyFloat()
getPropertyInt()
getTileCollisionShapes()
getTileHeight()
getTileId()
getTileWidth()
getWidth()
hideLayer()
showLayer()
spawn()
toString()
TilesetImage
TilesetImage()
Timer
Timer()
after()
during()
every()
getSeconds()
interval()
reset()
Transition
Transition()
fromShader()
getName()
toString()
Triangle
Triangle()
Vector2
Vector2()
add()
angle()
clone()
direction()
distance()
distanceSq()
dot()
equals()
fromPolar()
getX()
getY()
hashCode()
length()
lengthSq()
multiply()
normalVector()
reverse()
rotateBy()
rotateTo()
sub()
toString()
unitVector()
Window
Window()
debug()
exit()
getFrameSmoothing()
getGameSpeed()
getHeight()
getInstance()
getLibraryTitle()
getLibraryVersion()
getStage()
getWidth()
isDebug()
isPaused()
isPixelArt()
isSmoothPixelArt()
isTransitioning()
pause()
resume()
setDebug()
setGameSpeed()
setStage()
step()
transitionToStage()
use()
useFrameSmoothing()
useFullScreen()
usePixelArt()
useSmoothPixelArt()
useSplashLogo()
whenExits()
org.openpatch.scratch.extension
Canvas
Canvas()
clip()
drawImage()
drawImageQuad()
drawImageRegion()
drawOutline()
drawPolygon()
drawRectangle()
drawText()
imageHeight()
imageWidth()
noClip()
setOpacity()
Extension
Extension()
coreVersion()
id()
install()
name()
requires()
version()
ExtensionContext
ExtensionContext()
addLayerDrawer()
addOverlayDrawer()
afterFrame()
beforeTick()
dispatch()
getTickCount()
input()
isLoading()
onExit()
onInputPoll()
onKey()
onLearnerError()
onMouse()
onStageCreated()
onStageDisposed()
registerImageFormat()
runOnGameThread()
Frame
Frame()
getArgb()
getHeight()
getWidth()
savePng()
ImageDecoder
ImageDecoder()
decode()
InputKey
InputKey()
copy()
create()
of()
toString()
InputSnapshot
InputSnapshot()
get()
LayerDrawer
LayerDrawer()
draw()
Powered by
Hyperbook
0.115.2
Scratch for Java
JavaDoc
Contact
📧
Mail
🐘
Mastodon
👨💻
Matrix (Chat)
Setup
Tutorials
Getting Started
Make it Walk
Catch the Coins
Red Light, Green Light
Guess the Number
Bouncing Hedgehog
Dodge the Rocks
Scratch → Java cheat sheet
Differences to Scratch
It doesn't work!
Costumes, Backdrops and Sounds
Examples
Cat
Cat Platformer
Clock
Coin Collector
Custom drawing
Donut IO
Glide
Pipes
Quiz
Rainbow Vine
Random Dot
Robot
Save Slots
Sensing
Shader
Shakespeare
Smart Rocket
Stress Test
Tiled
Timed Dot
Timer
UI
Volume
Sprites
Sounds
For teachers
Multiple Approach Design
Abiturklassen NRW
Download
Moving from 6.x to 7.0
Changelog
org.openpatch.scratch
Clock
Clock()
getDay()
getDayOfWeek()
getDaysSince2000()
getHour()
getMillisecond()
getMinute()
getMonth()
getSecond()
getYear()
Camera
Camera()
changeX()
changeY()
changeZoom()
getPosition()
getX()
getY()
getZoom()
resetZoom()
setPosition()
setX()
setY()
setZoom()
setZoomLimit()
toScreenPosition()
toScreenX()
toScreenY()
toWorldPosition()
toWorldX()
toWorldY()
Circle
Circle()
Color
Color()
equals()
fromARGB()
fromHSB()
getAlpha()
getBlue()
getBrightness()
getGreen()
getHue()
getRed()
getSaturation()
hashCode()
toARGB()
toString()
withAlpha()
withBlue()
withBrightness()
withGreen()
withHue()
withRed()
withSaturation()
Drawing
BitmapText
BitmapText()
addGlyph()
draw()
getContent()
getHeight()
getWidth()
setAlign()
setFont()
setLetterSpacing()
setLineSpacing()
setSpaceWidth()
showText()
Drawing
Drawing()
clip()
image()
imageHeight()
imageWidth()
noClip()
polygon()
rectangle()
DrawingExtension
DrawingExtension()
id()
install()
name()
requires()
version()
DrawingSprite
DrawingSprite()
draw()
Ellipse
Ellipse()
Gamepad
Gamepad
Gamepad()
getStick()
getTrigger()
isButtonPressed()
isConnected()
GamepadListener
GamepadListener()
whenGamepadButtonPressed()
whenGamepadButtonReleased()
whenGamepadConnected()
HtmlColor
HtmlColor()
getRandom()
Operators
Operators()
absOf()
acosOf()
asinOf()
atanOf()
ceilingOf()
constrain()
cosOf()
eToThePowerOf()
floorOf()
lerp()
lnOf()
logOf()
map()
max()
min()
mod()
round()
sinOf()
sqrtOf()
tanOf()
tenToThePowerOf()
Pen
Pen()
changeColor()
changeSize()
changeTransparency()
down()
eraseAll()
getColor()
getLayer()
getPosition()
getSize()
getTransparency()
goToMousePointer()
goToRandomPosition()
isDown()
setColor()
setLayer()
setPosition()
setSize()
setTransparency()
stamp()
up()
Pixels
Pixels()
getArgb()
getColor()
getHeight()
getWidth()
of()
Polygon
Polygon()
addPoint()
Random
Random()
noise()
noiseSeed()
random()
randomInt()
randomPosition()
randomSeed()
randomVector2()
randomX()
randomY()
Recorder
GifEncoder
GifEncoder()
addFrame()
finish()
setDelay()
setDispose()
setFrameRate()
setQuality()
setRepeat()
setTransparent()
start()
GifRecorder
GifRecorder()
snapshot()
start()
stop()
RecorderExtension
RecorderExtension()
id()
install()
name()
requires()
version()
Rectangle
Rectangle()
Save
File
File()
load()
loadOrCreate()
save()
SaveData
SaveData()
getLocation()
loadOrDefault()
path()
save()
SaveExtension
SaveExtension()
id()
name()
requires()
version()
Shader
Shader()
getName()
set()
setName()
Shaders
Shaders()
activate()
add()
deactivate()
get()
getActive()
getCurrent()
getCurrentIndex()
getCurrentName()
isActive()
next()
reset()
switchTo()
Shape
Shape()
contains()
getBounds()
getPoints()
intersects()
rotate()
scale()
translate()
SoundPlayback
SoundPlayback()
isPlaying()
setVolume()
stop()
Sprite
Sprite()
addAnimation()
addCostume()
addCostumes()
addSound()
ask()
broadcast()
changeColorEffect()
changeHeight()
changePosition()
changeSize()
changeTransparency()
changeVolume()
changeWidth()
changeX()
changeY()
createClone()
debug()
deleteThisClone()
disableHitbox()
disableNineSlice()
distanceToMousePointer()
distanceToSprite()
enableHitbox()
extension()
getAnimationFrame()
getAnimationInterval()
getAnswer()
getColorEffect()
getCurrentCostumeIndex()
getCurrentCostumeName()
getDirection()
getHeight()
getHitbox()
getLayer()
getMouse()
getMouseX()
getMouseY()
getPen()
getPosition()
getRotationStyle()
getShaders()
getSize()
getStage()
getText()
getTimer()
getTint()
getTouchingSprite()
getTouchingSprites()
getTransparency()
getVolume()
getWidth()
getX()
getY()
glide()
goLayersBackwards()
goLayersForwards()
goToBackLayer()
goToFrontLayer()
goToMousePointer()
goToRandomPosition()
goToSprite()
hide()
hideVariable()
ifOnEdgeBounce()
isAnimationPlayed()
isAsking()
isClone()
isColorTouchingColor()
isGliding()
isKeyPressed()
isMouseDown()
isSoundPlaying()
isTouchingColor()
isTouchingEdge()
isTouchingMousePointer()
isTouchingSprite()
isVisible()
move()
nextCostume()
pickRandom()
playAnimation()
playSound()
playSoundCopy()
pointTowards()
pointTowardsMousePointer()
previousCostume()
remove()
resetAnimation()
run()
say()
setAnimationFrame()
setAnimationInterval()
setColorEffect()
setDirection()
setHeight()
setHitbox()
setLayer()
setNineSlice()
setPosition()
setRotationCenter()
setRotationStyle()
setSize()
setTint()
setTransparency()
setVolume()
setWidth()
setX()
setY()
show()
showVariable()
stamp()
stopAllSounds()
stopSound()
switchCostume()
think()
toString()
turnLeft()
turnRight()
whenAddedToStage()
whenBackdropSwitches()
whenClicked()
whenIReceive()
whenKeyPressed()
whenKeyReleased()
whenMouseClicked()
whenMouseMoved()
whenRemovedFromStage()
whenStartsAsClone()
Stage
Stage()
add()
addBackdrop()
addSound()
ask()
broadcast()
changeColorEffect()
changeTransparency()
changeVolume()
count()
debug()
display()
eraseAll()
extension()
find()
getAll()
getAnswer()
getCamera()
getColor()
getColorEffect()
getCurrentBackdropIndex()
getCurrentBackdropName()
getHeight()
getMouse()
getMouseX()
getMouseY()
getShaders()
getTimer()
getTransparency()
getVolume()
getWidth()
hideVariable()
isAsking()
isKeyPressed()
isMouseDown()
isSoundPlaying()
nextBackdrop()
pickRandom()
playSound()
playSoundCopy()
previousBackdrop()
randomBackdrop()
remove()
removeAll()
run()
setColor()
setColorEffect()
setCursor()
setTint()
setTransparency()
setVolume()
showVariable()
sortBy()
sortByY()
stopAllSounds()
stopSorting()
stopSound()
switchBackdrop()
waitSeconds()
waitUntil()
whenBackdropSwitches()
whenIReceive()
whenKeyPressed()
whenKeyReleased()
whenMouseClicked()
whenMouseWheelMoved()
Text
Text()
addFont()
getAlign()
getCurrentFontIndex()
getCurrentFontName()
getDefaultFont()
getDefaultFontSize()
getFont()
getLayer()
getPosition()
getStage()
getStyle()
getText()
getTextSize()
getWidth()
getX()
getY()
goLayersBackwards()
goLayersForwards()
goToBackLayer()
goToFrontLayer()
hide()
isVisible()
nextFont()
remove()
setAlign()
setBackgroundColor()
setFont()
setLayer()
setPosition()
setStrokeColor()
setStyle()
setTextColor()
setTextSize()
setWidth()
setX()
setY()
show()
showText()
switchFont()
useFont()
whenAddedToStage()
whenRemovedFromStage()
Tiled
MapObject
MapObject()
getProperty()
getPropertyBoolean()
getPropertyFloat()
getPropertyInt()
getShape()
setClassName()
Property
Property()
setText()
TiledExtension
TiledExtension()
id()
install()
name()
requires()
version()
TiledMap
TiledMap()
getHeight()
getObjectsFromLayer()
getProperty()
getPropertyBoolean()
getPropertyFloat()
getPropertyInt()
getTileCollisionShapes()
getTileHeight()
getTileId()
getTileWidth()
getWidth()
hideLayer()
showLayer()
spawn()
toString()
TilesetImage
TilesetImage()
Timer
Timer()
after()
during()
every()
getSeconds()
interval()
reset()
Transition
Transition()
fromShader()
getName()
toString()
Triangle
Triangle()
Vector2
Vector2()
add()
angle()
clone()
direction()
distance()
distanceSq()
dot()
equals()
fromPolar()
getX()
getY()
hashCode()
length()
lengthSq()
multiply()
normalVector()
reverse()
rotateBy()
rotateTo()
sub()
toString()
unitVector()
Window
Window()
debug()
exit()
getFrameSmoothing()
getGameSpeed()
getHeight()
getInstance()
getLibraryTitle()
getLibraryVersion()
getStage()
getWidth()
isDebug()
isPaused()
isPixelArt()
isSmoothPixelArt()
isTransitioning()
pause()
resume()
setDebug()
setGameSpeed()
setStage()
step()
transitionToStage()
use()
useFrameSmoothing()
useFullScreen()
usePixelArt()
useSmoothPixelArt()
useSplashLogo()
whenExits()
org.openpatch.scratch.extension
Canvas
Canvas()
clip()
drawImage()
drawImageQuad()
drawImageRegion()
drawOutline()
drawPolygon()
drawRectangle()
drawText()
imageHeight()
imageWidth()
noClip()
setOpacity()
Extension
Extension()
coreVersion()
id()
install()
name()
requires()
version()
ExtensionContext
ExtensionContext()
addLayerDrawer()
addOverlayDrawer()
afterFrame()
beforeTick()
dispatch()
getTickCount()
input()
isLoading()
onExit()
onInputPoll()
onKey()
onLearnerError()
onMouse()
onStageCreated()
onStageDisposed()
registerImageFormat()
runOnGameThread()
Frame
Frame()
getArgb()
getHeight()
getWidth()
savePng()
ImageDecoder
ImageDecoder()
decode()
InputKey
InputKey()
copy()
create()
of()
toString()
InputSnapshot
InputSnapshot()
get()
LayerDrawer
LayerDrawer()
draw()
Powered by
Hyperbook
0.115.2
LayerDrawer
Create Shareable URL
Standalone Mode
Select Sections
Copy Shareable URL
get()
LayerDrawer()
✎ GitHub
CC BY-NC-SA
by
OpenPatch
