import {Random} from 'webgame-lib/src/random.js'

public class | source

Random

You can directly use instance of this class. random

A seeded random generator.

Constructor Summary

Public Constructor
public	constructor(seed: number) Initializes with the seed.

Member Summary

Public Members
public	s: number Current seed.

Method Summary

Public Methods
public	choice(bias: number, exp: number): boolean Generates a random boolean value accounting for the bias and exponent.
public	color(): string Generates a random color string.
public	letters(n: number): string Generates a string of random letters.
public	next(): number Generates next random number in sequence.
public	nextFloat(s: number, e: number): number Generates a random float in the specified range.
public	nextInt(s: number, e: number): number Generates a random integer in the specified range.
public	select(items: Array): Object Selects a random element in the supplied collection.

Public Constructors

public constructor(seed: number) source

Initializes with the seed.

Params:

Name	Type	Attribute	Description
seed	number		Initial seed value

Public Members

public s: number source

Current seed.

Public Methods

public choice(bias: number, exp: number): boolean source

Generates a random boolean value accounting for the bias and exponent.

Params:

Name	Type	Attribute	Description
bias	number		A positive number to stack odds
exp	number		Power to which bias is raised

Return:

boolean

Random choice

public color(): string source

Generates a random color string.

Return:

string

Color in rgb() format

public letters(n: number): string source

Generates a string of random letters.

Params:

Name	Type	Attribute	Description
n	number		Length of string

Return:

string

Random letters

public next(): number source

Generates next random number in sequence. This method uses the sine function and some to get the next random number.

Return:

number

Random number in range [0, 1]

public nextFloat(s: number, e: number): number source

Generates a random float in the specified range.

Params:

Name	Type	Attribute	Description
s	number		Start
e	number		End

Return:

number

Random float

public nextInt(s: number, e: number): number source

Generates a random integer in the specified range.

Params:

Name	Type	Attribute	Description
s	number		Start
e	number		End which is inclusive

Return:

number

Random integer

public select(items: Array): Object source

Selects a random element in the supplied collection.

Params:

Name	Type	Attribute	Description
items	Array		Collection

Return:

Object

Random selection