Data
Composite
BufferedReaderHashMapPFontPGraphicsPImagePShaderPShapePVectorPrintWriterTableRowTableXMLstd::mapstd::vector
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append()arrayCopy()concat()expand()reverse()shorten()sort()splice()subset()
Conversion
binary()hex()str()unbinary()unhex()
Primitive
color
String Functions
join()matchAll()match()nf()split()splitTokens()trim()
Input
Files
createInput()createReader()launch()loadBytes()loadJSONArray()loadJSONObject()loadStrings()loadTable()loadXML()parseJSONArray()parseJSONObject()parseXML()selectFolder()selectInput()
Time & Date
day()hour()millis()minute()month()second()year()
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keykeyPressedkeyCodekeyReleased()keyPressed()keyTyped()
Mouse
mouseButtonmouseClicked()mouseDragged()mouseMoved()mousePressedmousePressed()mouseWheel()mouseReleased()mouseXmouseYpmouseXpmouseY
Constants
HALF_PIPIQUARTER_PITAUTWO_PI
Typography
Loading & Displaying
PFontcreateFont()loadFont()textFont()text()
Attributes
textAlign()textLeading()textMode()textSize()textWidth()
Metrics
textAscent()textDescent()
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PGraphicsblendMode()clip()createGraphics()hint()noClip()
Shaders
PShaderloadShader()resetShader()shader()
Image
PImagecreateImage()
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blend()copy()filter()get()loadPixels()mask()pixels[]set()updatePixels()
Loading & Displaying
image()imageMode()loadImage()noTint()tint()
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texture()textureMode()textureWrap()
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PShapecreateShape()loadShape()
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Vertex
beginContour()beginShape()bezierVertex()curveVertex()endContour()endShape()quadraticVertex()vertex()
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box()sphere()sphereDetail()
Attributes
ellipseMode()rectMode()strokeCap()strokeJoin()strokeWeight()
Loading & Displaying
shape()shapeMode()
Math
PVector
Calculation
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Trigonometry
acos()asin()atan2()atan()cos()degrees()radians()sin()tan()
Random
noise()noiseDetail()noiseSeed()randomGaussian()randomSeed()random()
Output
Files
PrintWritercreateOutput()createWriter()saveBytes()saveJSONArray()saveJSONObject()saveStrings()saveTable()saveXML()selectOutput()
Text Area
print()printArray()println()
Image
save()saveFrame()
Color
Creating & Reading
alpha()blue()brightness()color()green()hue()lerpColor()red()saturation()
Setting
background()clear()colorMode()fill()noFill()noStroke()stroke()
Lights Camera
Lights
ambientLight()directionalLight()lightFalloff()lightSpecular()lights()noLights()normal()pointLight()spotLight()
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ambient()emissive()shininess()specular()
Camera
beginCamera()camera()endCamera()frustum()ortho()perspective()printCamera()printProjection()
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modelX()modelY()modelZ()screenX()screenY()screenZ()
Transform
applyMatrix()popMatrix()printMatrix()pushMatrix()resetMatrix()rotateX()rotateY()rotateZ()rotate()scale()shearX()shearY()translate()
Structure
draw()exit()loop()noLoop()pop()popMatrix()popStyle()push()pushMatrix()pushStyle()redraw()setup()thread()delay()
Environment
cursor()deltaTimedisplayHeightdisplayWidthfocusedframeCountframeRateframeRate()fullScreen()heighthint()noCursor()noSmooth()pixelDensity()pixelHeightpixelWidthsize()smooth()widthwindowMoved()windowResizable()windowResize()windowResized()windowTitle()

randomSeed()

Math / Random

Description

Sets the seed value for random(). Repeated calls with the same seed will produce the same sequence.

Syntax

void randomSeed(long s)

Parameters

NameTypeDescription
slongseed value

Returns

void

Related

random

Under the Hood

Implementation in Processing.h / Processing.cpp:

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