参考

The deviceShaken() function is called when the device total acceleration changes of accelerationX and accelerationY values is more than the threshold value

deviceTurned()

The deviceTurned() function is called when the device rotates by more than 90 degrees continuously.

pAccelerationX

The system variable pAccelerationX always contains the acceleration of the device along the x axis in the frame previous to the current frame

pAccelerationY

The system variable pAccelerationY always contains the acceleration of the device along the y axis in the frame previous to the current frame

pAccelerationZ

The system variable pAccelerationZ always contains the acceleration of the device along the z axis in the frame previous to the current frame

pRotationX

The system variable pRotationX always contains the rotation of the device along the x axis in the frame previous to the current frame

pRotationY

The system variable pRotationY always contains the rotation of the device along the y axis in the frame previous to the current frame

pRotationZ

The system variable pRotationZ always contains the rotation of the device along the z axis in the frame previous to the current frame

rotationX

The system variable rotationX always contains the rotation of the device along the x axis

rotationY

The system variable rotationY always contains the rotation of the device along the y axis

rotationZ

The system variable rotationZ always contains the rotation of the device along the z axis

setMoveThreshold()

The setMoveThreshold() function is used to set the movement threshold for the deviceMoved() function

setShakeThreshold()

The setShakeThreshold() function is used to set the movement threshold for the deviceShaken() function

turnAxis

When a device is rotated, the axis that triggers the deviceTurned() method is stored in the turnAxis variable

文档对象模型

changed()

当元素发生变化时调用一个函数

createA()

创建一个 <a></a> 元素，链接到另一个网页

createAudio()

创建一个用于简单音频播放的隐藏<audio>元素

createButton()

创建一个 <button></button> 元素

createCapture()

创建一个 <video> 元素，用于“捕获”来自网络摄像头和麦克风的音频/视频流

createCheckbox()

创建一个复选框<input></input>元素

创建一个颜色选择器元素

创建一个<div></div>元素

创建一个新的p5.Element对象

创建一个类型为 'file' 的 <input></input> 元素

createImg()

创建一个可以在画布外显示的 <img> 元素

createInput()

创建一个文本<input></input>元素

createP()

创建一个<p></p>元素

createRadio()

创建一个单选按钮元素

createSelect()

创建一个下拉菜单<select></select>元素

createSlider()

创建一个滑块<input></input>元素

createSpan()

"<p>创建一个<span></span>元素

createVideo()

创建一个用于简单音频/视频播放的 <video> 元素

input()

当元素接收到输入时调用一个函数

removeElements()

移除由p5.js创建的所有元素，包括任何事件处理程序

select()

在页面中搜索第一个与给定的CSS 选择器字符串匹配的元素

selectAll()

在页面中搜索所有与给定的CSS选择器字符串匹配的元素

Data

Array Functions

append()

Adds a value to the end of an array

arrayCopy()

Copies an array (or part of an array) to another array

concat()

Concatenates two arrays, maps to Array.concat()

reverse()

Reverses the order of an array, maps to Array.reverse()

shorten()

Decreases an array by one element and returns the shortened array, maps to Array.pop().

shuffle()

Shuffles the elements of an array.

sort()

Sorts an array of numbers from smallest to largest, or puts an array of words in alphabetical order

splice()

Inserts a value or an array of values into an existing array

subset()

Extracts an array of elements from an existing array

Conversion

byte()

Converts a Boolean, String, or Number to its byte value.

char()

Converts a Number or String to a single-character String.

float()

Converts a String to a floating point (decimal) Number.

hex()

Converts a Number to a String with its hexadecimal value.

int()

Converts a Boolean, String, or decimal Number to an integer.

str()

Converts a Boolean or Number to String.

unchar()

Converts a single-character String to a Number.

unhex()

Converts a String with a hexadecimal value to a Number.

Dictionary

createNumberDict()

Creates a new instance of p5.NumberDict using the key-value pair or object you provide.

createStringDict()

Creates a new instance of p5.StringDict using the key-value pair or the object you provide.

p5.StringDict

A simple Dictionary class for Strings.

LocalStorage

clearStorage()

Removes all items in the web browser's local storage.

getItem()

Returns a value in the web browser's local storage.

removeItem()

Removes an item from the web browser's local storage.

storeItem()

Stores a value in the web browser's local storage.

String Functions

join()

Combines an array of strings into one string.

match()

Applies a regular expression to a string and returns an array with the first match.

matchAll()

Applies a regular expression to a string and returns an array of matches.

nf()

Converts a Number into a String with a given number of digits.

nfc()

Converts a Number into a String with commas to mark units of 1,000.

nfp()

Converts a Number into a String with a plus or minus sign.

nfs()

Converts a positive Number into a String with an extra space in front.

split()

Splits a String into pieces and returns an array containing the pieces.

splitTokens()

Splits a String into pieces and returns an array containing the pieces.

trim()

Removes whitespace from the start and end of a String without changing the middle.

p5.NumberDict

add()

Add the given number to the value currently stored at the given key

div()

Divide the given number with the value currently stored at the given key

maxKey()

Return the highest key currently used in the Dictionary.

maxValue()

Return the highest number currently stored in the Dictionary.

minKey()

Return the lowest key currently used in the Dictionary.

minValue()

Return the lowest number currently stored in the Dictionary.

mult()

Multiply the given number with the value currently stored at the given key

sub()

Subtract the given number from the value currently stored at the given key

p5.TypedDict

clear()

Removes all previously stored key-value pairs from the Dictionary.

create()

Creates a new key-value pair in the Dictionary.

get()

Returns the value stored at the given key.

hasKey()

Returns true if the given key exists in the Dictionary, otherwise returns false.

print()

Logs the set of items currently stored in the Dictionary to the console.

remove()

Removes the key-value pair stored at the given key from the Dictionary.

saveJSON()

Converts the Dictionary into a JSON file for local download.

saveTable()

Converts the Dictionary into a CSV file for local download.

set()

Updates the value associated with the given key in case it already exists in the Dictionary

size()

Returns the number of key-value pairs currently stored in the Dictionary.

Structure

disableFriendlyErrors

Turns off the parts of the Friendly Error System (FES) that impact performance.

draw()

A function that's called repeatedly while the sketch runs.

isLooping()

Returns true if the draw loop is running and false if not.

loop()

Resumes the draw loop after noLoop() has been called.

noLoop()

Stops the code in draw() from running repeatedly.

pop()

Ends a drawing group that contains its own styles and transformations.

preload()

A function that's called once to load assets before the sketch runs.

push()

Begins a drawing group that contains its own styles and transformations.

redraw()

Runs the code in draw() once.

remove()

Removes the sketch from the web page.

setup()

A function that's called once when the sketch begins running.

常量

DEGREES

一个 String 常量，用于设置 angleMode()

HALF_PI

一个Number常量，约为 1.5708

一个 Number 常量，约为 3.1416

QUARTER_PI

一个 Number 常量，约为 0.7854

RADIANS

一个 String 常量，用于设置 angleMode()

TAU

一个 Number 常量，约为 6.2382

TWO_PI

一个 Number 常量，约为 6.2382

Foundation

console

Prints a message to the web browser's console.

Array

A list that keeps several pieces of data in order.

Boolean

A value that's either true or false.

Number

A number that can be positive, negative, or zero.

Object

A container for data that's stored as key-value pairs.

String

A sequence of text characters.