Variable RandomConst

Type Declaration

• array: <T>(arr: T[], number?: number) => T[]

  Up to number distinct elements of arr (default 1), in random order; arr is not modified.

• bool: (percent?: number) => boolean

  true with the probability percent (between 0 and 1, default 0.5).

• circle: (config?: RandomGeometryCircleConfig) => Circle

  Random circle, from a center and a radius, optionally with integer points on it.

• equation: (config?: RandomEquationConfig) => Equation

  Random equation or inequality, with controlled solutions (solution.count, nothing, everything).

• fraction: (config?: RandomCoefficientConfig) => Fraction

  Random fraction or integer, with its sign, range and size under control.

• item: <T>(arr: T[]) => T

  Random element of arr.

  Throws

  if arr is empty.

• line: (config?: RandomGeometryLineConfig) => Line

  Random line of the plane, from a point and a slope, with a chosen kind (vertical, horizontal, positive, negative).

• line3: (config?: RandomGeometryLine3Config) => Line3

  Random line of space, from a point and a direction, with a chosen kind (general or parallel to a plane or an axis).

• monom: (config?: RandomMonomConfig) => Monom

  Random term such as 3x² or -½xy.

• number: (from: number, to: number, exclude?: number[]) => number

  Random integer in [from, to], both bounds included (swapped if from > to), never one of exclude.

  Throws

  if exclude removes every value of the interval.

• numberSym: (max: number, allowZero?: boolean) => number

  Random integer in [-max, max]; allowZero: false excludes 0.

• point: (config?: RandomGeometryPointConfig) => Point

  Random point of the plane, constrained by axis, quadrant and range.

• point3: (config?: RandomGeometryPoint3Config) => Point

  Random point of space, constrained by axis, plane, octant and range.

• polynom: (config?: RandomPolynomConfig) => Polynom

  Random polynomial of a given degree, possibly factorable into linear factors.

• prime: (max?: number) => number

  Random prime strictly lower than max (any prime of the list when max is omitted).

• shuffle: <T>(arr: T[]) => T[]

  Shuffled copy of arr; arr is not modified.

• triplet: (target: number, allowZero?: boolean) => [number, number, number] | null

  Random Pythagorean triplet whose hypotenuse is target, or null when there is none. Triplets that contain 0 are left out unless allowZero is true.

• vector: (config?: RandomGeometryVectorConfig) => Vector

  Random vector of the plane, drawn like a point; the zero vector is excluded by default.

• vector3: (config?: RandomGeometryVector3Config) => Vector

  Random vector of space, drawn like a point; the zero vector is excluded by default.