Setup

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

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()

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()
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()

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()

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

Stage

Text

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()

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Scratch for Java

JavaDoc
Contact

Setup

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

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()

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()
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()

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()

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

Stage

Text

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()

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Color::getBrightness()
Syntax
Java
Return

Color::getBrightness()

Syntax

Java

.getBrightness()

Return

double

getBrightness()

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Color::getBrightness() Syntax Java Return

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