2 Dimensional Vector

Hierarchy

Accessors

  • get magnitude(): number
  • The magnitude (length) of this. Equivalent to Vec2.magnitude(this);

    Magnitude is used because the length attribute is already defined by TypedArrays to mean the number of elements in the array.

    Returns number

  • get squaredMagnitude(): number
  • The squared magnitude (length) of this. Equivalent to Vec2.squaredMagnitude(this);

    Returns number

  • get str(): string
  • A string representation of this Equivalent to Vec2.str(this);

    Returns string

Color Components

  • get g(): number
  • The g component of the vector. Equivalent to this[1];

    Returns number

  • set g(value): void
  • Parameters

    • value: number

    Returns void

  • get r(): number
  • The r component of the vector. Equivalent to this[0];

    Returns number

  • set r(value): void
  • Parameters

    • value: number

    Returns void

Constructor

Methods

  • Sets each component of this to it's absolute value. Equivalent to Vec2.abs(this, this);

    Returns this

    this

  • Adds a Vec2 to this. Equivalent to Vec2.add(this, this, b);

    Parameters

    Returns this

    this

  • Copy the values from another Vec2 into this.

    Parameters

    Returns this

    this

  • Calculates the Euclidean distance between another Vec2 and this. Equivalent to Vec2.distance(this, b);

    Parameters

    Returns number

    Distance between this and b

  • Divides this by a Vec2. Equivalent to Vec2.divide(this, this, b);

    Parameters

    Returns this

    this

  • Calculates the dot product of this and another Vec2. Equivalent to Vec2.dot(this, b);

    Parameters

    Returns number

    Dot product of this and b

  • Inverts the components of this. Equivalent to Vec2.inverse(this, this);

    Returns this

    this

  • Multiplies this by a Vec2. Equivalent to Vec2.multiply(this, this, b);

    Parameters

    Returns this

    this

  • Negates the components of this. Equivalent to Vec2.negate(this, this);

    Returns this

    this

  • Normalize this. Equivalent to Vec2.normalize(this, this);

    Returns this

    this

  • Scales this by a scalar number. Equivalent to Vec2.scale(this, this, b);

    Parameters

    • b: number

      Amount to scale this by

    Returns this

    this

  • Calculates this scaled by a scalar value then adds the result to this. Equivalent to Vec2.scaleAndAdd(this, this, b, scale);

    Parameters

    • b: Readonly<Vec2Like>

      The vector to add to this

    • scale: number

      The amount to scale b by before adding

    Returns this

    this

  • Calculates the squared Euclidean distance between another Vec2 and this. Equivalent to Vec2.squaredDistance(this, b);

    Parameters

    Returns number

    Squared distance between this and b

  • Subtracts a Vec2 from this. Equivalent to Vec2.subtract(this, this, b);

    Parameters

    Returns this

    this

Other

[toStringTag]

The ArrayBuffer instance referenced by the array.

byteLength: number

The length in bytes of the array.

byteOffset: number

The offset in bytes of the array.

BYTES_PER_ELEMENT: number

The size in bytes of each element in the array.

length: number

The length of the array.

BYTES_PER_ELEMENT: number

The size in bytes of each element in the array.

  • Returns the item located at the specified index.

    Parameters

    • index: number

      The zero-based index of the desired code unit. A negative index will count back from the last item.

    Returns number

  • Returns the this object after copying a section of the array identified by start and end to the same array starting at position target

    Parameters

    • target: number

      If target is negative, it is treated as length+target where length is the length of the array.

    • start: number

      If start is negative, it is treated as length+start. If end is negative, it is treated as length+end.

    • Optionalend: number

      If not specified, length of the this object is used as its default value.

    Returns this

  • Returns an array of key, value pairs for every entry in the array

    Returns ArrayIterator<[number, number]>

  • Determines whether all the members of an array satisfy the specified test.

    Parameters

    • predicate: ((value: number, index: number, array: Float32Array) => unknown)

      A function that accepts up to three arguments. The every method calls the predicate function for each element in the array until the predicate returns a value which is coercible to the Boolean value false, or until the end of the array.

        • (value, index, array): unknown
        • Parameters

          Returns unknown

    • OptionalthisArg: any

      An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.

    Returns boolean

  • Changes all array elements from start to end index to a static value and returns the modified array

    Parameters

    • value: number

      value to fill array section with

    • Optionalstart: number

      index to start filling the array at. If start is negative, it is treated as length+start where length is the length of the array.

    • Optionalend: number

      index to stop filling the array at. If end is negative, it is treated as length+end.

    Returns this

  • Returns the elements of an array that meet the condition specified in a callback function.

    Parameters

    • predicate: ((value: number, index: number, array: Float32Array) => any)

      A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the array.

        • (value, index, array): any
        • Parameters

          Returns any

    • OptionalthisArg: any

      An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.

    Returns Float32Array

  • Returns the value of the first element in the array where predicate is true, and undefined otherwise.

    Parameters

    • predicate: ((value: number, index: number, obj: Float32Array) => boolean)

      find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.

        • (value, index, obj): boolean
        • Parameters

          Returns boolean

    • OptionalthisArg: any

      If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.

    Returns number

  • Returns the index of the first element in the array where predicate is true, and -1 otherwise.

    Parameters

    • predicate: ((value: number, index: number, obj: Float32Array) => boolean)

      find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, findIndex immediately returns that element index. Otherwise, findIndex returns -1.

        • (value, index, obj): boolean
        • Parameters

          Returns boolean

    • OptionalthisArg: any

      If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.

    Returns number

  • Performs the specified action for each element in an array.

    Parameters

    • callbackfn: ((value: number, index: number, array: Float32Array) => void)

      A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.

        • (value, index, array): void
        • Parameters

          Returns void

    • OptionalthisArg: any

      An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.

    Returns void

  • Determines whether an array includes a certain element, returning true or false as appropriate.

    Parameters

    • searchElement: number

      The element to search for.

    • OptionalfromIndex: number

      The position in this array at which to begin searching for searchElement.

    Returns boolean

  • Returns the index of the first occurrence of a value in an array.

    Parameters

    • searchElement: number

      The value to locate in the array.

    • OptionalfromIndex: number

      The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.

    Returns number

  • Adds all the elements of an array separated by the specified separator string.

    Parameters

    • Optionalseparator: string

      A string used to separate one element of an array from the next in the resulting String. If omitted, the array elements are separated with a comma.

    Returns string

  • Returns the index of the last occurrence of a value in an array.

    Parameters

    • searchElement: number

      The value to locate in the array.

    • OptionalfromIndex: number

      The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.

    Returns number

  • Calls a defined callback function on each element of an array, and returns an array that contains the results.

    Parameters

    • callbackfn: ((value: number, index: number, array: Float32Array) => number)

      A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array.

        • (value, index, array): number
        • Parameters

          Returns number

    • OptionalthisArg: any

      An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.

    Returns Float32Array

  • Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

    Parameters

    • callbackfn: ((previousValue: number, currentValue: number, currentIndex: number, array: Float32Array) => number)

      A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.

        • (previousValue, currentValue, currentIndex, array): number
        • Parameters

          • previousValue: number
          • currentValue: number
          • currentIndex: number
          • array: Float32Array

          Returns number

    Returns number

  • Parameters

    • callbackfn: ((previousValue: number, currentValue: number, currentIndex: number, array: Float32Array) => number)
        • (previousValue, currentValue, currentIndex, array): number
        • Parameters

          • previousValue: number
          • currentValue: number
          • currentIndex: number
          • array: Float32Array

          Returns number

    • initialValue: number

    Returns number

  • Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

    Type Parameters

    • U

    Parameters

    • callbackfn: ((previousValue: U, currentValue: number, currentIndex: number, array: Float32Array) => U)

      A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.

        • (previousValue, currentValue, currentIndex, array): U
        • Parameters

          • previousValue: U
          • currentValue: number
          • currentIndex: number
          • array: Float32Array

          Returns U

    • initialValue: U

      If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value.

    Returns U

  • Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

    Parameters

    • callbackfn: ((previousValue: number, currentValue: number, currentIndex: number, array: Float32Array) => number)

      A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.

        • (previousValue, currentValue, currentIndex, array): number
        • Parameters

          • previousValue: number
          • currentValue: number
          • currentIndex: number
          • array: Float32Array

          Returns number

    Returns number

  • Parameters

    • callbackfn: ((previousValue: number, currentValue: number, currentIndex: number, array: Float32Array) => number)
        • (previousValue, currentValue, currentIndex, array): number
        • Parameters

          • previousValue: number
          • currentValue: number
          • currentIndex: number
          • array: Float32Array

          Returns number

    • initialValue: number

    Returns number

  • Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

    Type Parameters

    • U

    Parameters

    • callbackfn: ((previousValue: U, currentValue: number, currentIndex: number, array: Float32Array) => U)

      A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.

        • (previousValue, currentValue, currentIndex, array): U
        • Parameters

          • previousValue: U
          • currentValue: number
          • currentIndex: number
          • array: Float32Array

          Returns U

    • initialValue: U

      If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value.

    Returns U

  • Sets a value or an array of values.

    Parameters

    • array: ArrayLike<number>

      A typed or untyped array of values to set.

    • Optionaloffset: number

      The index in the current array at which the values are to be written.

    Returns void

  • Returns a section of an array.

    Parameters

    • Optionalstart: number

      The beginning of the specified portion of the array.

    • Optionalend: number

      The end of the specified portion of the array. This is exclusive of the element at the index 'end'.

    Returns Float32Array

  • Determines whether the specified callback function returns true for any element of an array.

    Parameters

    • predicate: ((value: number, index: number, array: Float32Array) => unknown)

      A function that accepts up to three arguments. The some method calls the predicate function for each element in the array until the predicate returns a value which is coercible to the Boolean value true, or until the end of the array.

        • (value, index, array): unknown
        • Parameters

          Returns unknown

    • OptionalthisArg: any

      An object to which the this keyword can refer in the predicate function. If thisArg is omitted, undefined is used as the this value.

    Returns boolean

  • Sorts an array.

    Parameters

    • OptionalcompareFn: ((a: number, b: number) => number)

      Function used to determine the order of the elements. It is expected to return a negative value if first argument is less than second argument, zero if they're equal and a positive value otherwise. If omitted, the elements are sorted in ascending order.

      [11,2,22,1].sort((a, b) => a - b)
      
        • (a, b): number
        • Parameters

          • a: number
          • b: number

          Returns number

    Returns this

  • Gets a new Float32Array view of the ArrayBuffer store for this array, referencing the elements at begin, inclusive, up to end, exclusive.

    Parameters

    • Optionalbegin: number

      The index of the beginning of the array.

    • Optionalend: number

      The index of the end of the array.

    Returns Float32Array

  • Converts a number to a string by using the current locale.

    Returns string

  • Parameters

    Returns string

  • Returns a string representation of an array.

    Returns string

  • Returns the primitive value of the specified object.

    Returns Float32Array

  • Returns an list of values in the array

    Returns ArrayIterator<number>

  • Creates an array from an array-like or iterable object.

    Parameters

    • arrayLike: ArrayLike<number>

      An array-like or iterable object to convert to an array.

    Returns Float32Array

  • Creates an array from an array-like or iterable object.

    Type Parameters

    • T

    Parameters

    • arrayLike: ArrayLike<T>

      An array-like or iterable object to convert to an array.

    • mapfn: ((v: T, k: number) => number)

      A mapping function to call on every element of the array.

        • (v, k): number
        • Parameters

          • v: T
          • k: number

          Returns number

    • OptionalthisArg: any

      Value of 'this' used to invoke the mapfn.

    Returns Float32Array

  • Creates an array from an array-like or iterable object.

    Parameters

    • arrayLike: Iterable<number, any, any>

      An array-like or iterable object to convert to an array.

    • Optionalmapfn: ((v: number, k: number) => number)

      A mapping function to call on every element of the array.

        • (v, k): number
        • Parameters

          • v: number
          • k: number

          Returns number

    • OptionalthisArg: any

      Value of 'this' used to invoke the mapfn.

    Returns Float32Array

  • Returns a new array from a set of elements.

    Parameters

    • Rest...items: number[]

      A set of elements to include in the new array object.

    Returns Float32Array

Static

  • get BYTE_LENGTH(): number
  • Returns number

    The number of bytes in a Vec2.

  • Get the angle between two 2D vectors

    Parameters

    Returns number

    The angle in radians

  • Creates a new Vec2 initialized with values from an existing vector

    Parameters

    Returns Vec2

    A new 2D vector

  • Creates a new, empty Vec2

    Returns Vec2

    A new 2D vector

  • Computes the cross product of two Vec2s Note that the cross product must by definition produce a 3D vector. For this reason there is also not instance equivalent for this function.

    Parameters

    Returns Vec2Like

    out

  • Calculates the Euclidean distance between two Vec2s

    Parameters

    Returns number

    distance between a and b

  • Calculates the dot product of two Vec2s

    Parameters

    Returns number

    Dot product of a and b

  • Returns whether the vectors have approximately the same elements in the same position.

    Parameters

    Returns boolean

    true if the vectors are approximately equal, false otherwise.

  • Returns whether the vectors have exactly the same elements in the same position (when compared with ===)

    Parameters

    Returns boolean

    true if the vectors components are ===, false otherwise.

  • Creates a new Vec2 initialized with the given values

    Parameters

    • x: number

      X component

    • y: number

      Y component

    Returns Vec2

    A new 2D vector

  • Calculates the magnitude (length) of a Vec2

    Parameters

    Returns number

    Magnitude of a

  • Adds two Vec2's after scaling the second operand by a scalar value

    Parameters

    Returns Vec2Like

    out

  • Set the components of a Vec2 to the given values

    Parameters

    • out: Vec2Like

      The receiving vector

    • x: number

      X component

    • y: number

      Y component

    Returns Vec2Like

    out

  • Calculates the squared Euclidean distance between two Vec2s

    Parameters

    Returns number

    Squared distance between a and b

  • Calculates the squared length of a Vec2

    Parameters

    Returns number

    Squared length of a

  • Returns a string representation of a vector

    Parameters

    Returns string

    String representation of the vector

Vector Components

  • get x(): number
  • The x component of the vector. Equivalent to this[0];

    Returns number

  • set x(value): void
  • Parameters

    • value: number

    Returns void

  • get y(): number
  • The y component of the vector. Equivalent to this[1];

    Returns number

  • set y(value): void
  • Parameters

    • value: number

    Returns void