Data
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BufferedReaderHashMapPFontPGraphicsPImagePShaderPShapePVectorPrintWriterTableRowTableXMLstd::mapstd::vector
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binary()hex()str()unbinary()unhex()
Primitive
color
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join()matchAll()match()nf()split()splitTokens()trim()
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Files
createInput()createReader()launch()loadBytes()loadJSONArray()loadJSONObject()loadStrings()loadTable()loadXML()parseJSONArray()parseJSONObject()parseXML()selectFolder()selectInput()
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day()hour()millis()minute()month()second()year()
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keykeyPressedkeyCodekeyReleased()keyPressed()keyTyped()
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mouseButtonmouseClicked()mouseDragged()mouseMoved()mousePressedmousePressed()mouseWheel()mouseReleased()mouseXmouseYpmouseXpmouseY
Constants
HALF_PIPIQUARTER_PITAUTWO_PI
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Loading & Displaying
PFontcreateFont()loadFont()textFont()text()
Attributes
textAlign()textLeading()textMode()textSize()textWidth()
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textAscent()textDescent()
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PGraphicsblendMode()clip()createGraphics()hint()noClip()
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PShaderloadShader()resetShader()shader()
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PImagecreateImage()
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blend()copy()filter()get()loadPixels()mask()pixels[]set()updatePixels()
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image()imageMode()loadImage()noTint()tint()
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texture()textureMode()textureWrap()
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PShapecreateShape()loadShape()
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arc()circle()ellipse()line()point()quad()rect()square()triangle()
Vertex
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box()sphere()sphereDetail()
Attributes
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Loading & Displaying
shape()shapeMode()
Math
PVector
Calculation
abs()ceil()constrain()dist()exp()floor()lerp()log()mag()map()max()min()norm()pow()round()sq()sqrt()
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acos()asin()atan2()atan()cos()degrees()radians()sin()tan()
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noise()noiseDetail()noiseSeed()randomGaussian()randomSeed()random()
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Files
PrintWritercreateOutput()createWriter()saveBytes()saveJSONArray()saveJSONObject()saveStrings()saveTable()saveXML()selectOutput()
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print()printArray()println()
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Creating & Reading
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Lights
ambientLight()directionalLight()lightFalloff()lightSpecular()lights()noLights()normal()pointLight()spotLight()
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ambient()emissive()shininess()specular()
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beginCamera()camera()endCamera()frustum()ortho()perspective()printCamera()printProjection()
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modelX()modelY()modelZ()screenX()screenY()screenZ()
Transform
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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()

round()

Math / Calculation

Description

Calculates the integer closest to the parameter.

Syntax

float round(float x)

Parameters

NameTypeDescription
xfloatnumber to round

Returns

float

Related

floorceil

Under the Hood

Implementation in Processing.h / Processing.cpp:

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