Vector4

constructor

• new Vector4(_x?: number, _y?: number, _z?: number, _w?: number): Vector4

  Parameters

  • _x: number
  • _y: number
  • _z: number
  • _w: number

  Returns Vector4

x0

y0

z0

w0

isVector4

set

• set(x: number, y: number, z: number, w: number): Vector4

  Sets the x, y, z and w components of this vector.

  Parameters

  • x: number
  • y: number
  • z: number
  • w: number

  Returns Vector4

setScalar

• setScalar(scalar: number): Vector4

  Sets the x, y, z and w values of this vector both equal to scalar.

  Parameters

  • scalar: number

  Returns Vector4

setX

• setX(x: number): Vector4

  Replaces this vector's x value with x.

  Parameters

  • x: number

  Returns Vector4

setY

• setY(y: number): Vector4

  Replaces this vector's y value with y.

  Parameters

  • y: number

  Returns Vector4

setZ

• setZ(z: number): Vector4

  Replaces this vector's z value with z.

  Parameters

  • z: number

  Returns Vector4

setW

• setW(w: number): Vector4

  Replaces this vector's w value with w.

  Parameters

  • w: number

  Returns Vector4

setComponent

• setComponent(index: number, value: number): Vector4

  If index equals 0 set x to value. If index equals 1 set y to value. If index equals 2 set z to value. If index equals 3 set w to value.

  Parameters

  • index: number

    0, 1 or 2.

  • value: number

  Returns Vector4

getComponent

• getComponent(index: number): number

  If index equals 0 returns the x value. If index equals 1 returns the y value. If index equals 2 returns the z value. If index equals 3 returns the w value.

  Parameters

  • index: number

    0, 1, 2 or 3.

  Returns number

clone

• clone(): Vector4

  Returns a new Vector4 with the same x, y, z and w values as this one.

  Returns Vector4

cloneReadonly

• cloneReadonly(): ReadonlyVector4

  Returns ReadonlyVector4

copy

• copy(v: Vector4): Vector4

  Copies the values of the passed Vector4's x, y, z and w properties to this Vector4.

  Parameters

  • v: Vector4

  Returns Vector4

add

• add(v: Vector4): Vector4

  Adds v to this vector.

  Parameters

  • v: Vector4

  Returns Vector4

addScalar

• addScalar(s: number): Vector4

  Adds the scalar value s to this vector's x, y, z and w values.

  Parameters

  • s: number

  Returns Vector4

addVectors

• addVectors(a: Vector4, b: Vector4): Vector4

  Sets this vector to a + b.

  Parameters

  • a: Vector4
  • b: Vector4

  Returns Vector4

addScaledVector

• addScaledVector(v: Vector4, s: number): Vector4

  Adds the multiple of v and s to this vector.

  Parameters

  • v: Vector4
  • s: number

  Returns Vector4

sub

• sub(v: Vector4): Vector4

  Subtracts v from this vector.

  Parameters

  • v: Vector4

  Returns Vector4

subScalar

• subScalar(s: number): Vector4

  Subtracts s from this vector's x, y, z and w components.

  Parameters

  • s: number

  Returns Vector4

subVectors

• subVectors(a: Vector4, b: Vector4): Vector4

  Sets this vector to a - b.

  Parameters

  • a: Vector4
  • b: Vector4

  Returns Vector4

multiplyScalar

• multiplyScalar(scalar: number): Vector4

  Multiplies this vector by scalar s.

  Parameters

  • scalar: number

  Returns Vector4

applyMatrix4

• applyMatrix4(m: Matrix4): Vector4

  Multiplies this vector by 4 x 4 m.

  Parameters

  • m: Matrix4

  Returns Vector4

divideScalar

• divideScalar(scalar: number): Vector4

  Divides this vector by scalar s. Sets vector to ( 0, 0, 0, 0 ) if s = 0.

  Parameters

  • scalar: number

  Returns Vector4

min

• min(v: Vector4): Vector4

  If this vector's x, y, z or w value is greater than the max vector's x, y, z or w value, it is replaced by the corresponding value.
  
  If this vector's x, y, z or w value is less than the min vector's x, y, z or w value, it is replaced by the corresponding value.

  Parameters

  • v: Vector4

  Returns Vector4

max

• max(v: Vector4): Vector4

  If this vector's x, y, z or w value is greater than the max vector's x, y, z or w value, it is replaced by the corresponding value.
  
  If this vector's x, y, z or w value is less than the min vector's x, y, z or w value, it is replaced by the corresponding value.

  Parameters

  • v: Vector4

  Returns Vector4

clamp

• clamp(min: Vector4, max: Vector4): Vector4

  If this vector's x, y, z or w value is greater than the max vector's x, y, z or w value, it is replaced by the corresponding value.
  
  If this vector's x, y, z or w value is less than the min vector's x, y, z or w value, it is replaced by the corresponding value.

  Parameters

  • min: Vector4

    the minimum x, y, z and w values.

  • max: Vector4

    the maximum x, y, z and w values in the desired range.

  Returns Vector4

clampScalar

• clampScalar(minVal: number, maxVal: number): Vector4

  If this vector's x, y, z or w values are greater than the max value, they are replaced by the max value.
  
  If this vector's x, y, z or w values are less than the min value, they are replaced by the min value.

  Parameters

  • minVal: number
  • maxVal: number

  Returns Vector4

clampLength

• clampLength(min: number, max: number): Vector4

  If this vector's length is greater than the max value, it is replaced by the max value.
  
  If this vector's length is less than the min value, it is replaced by the min value.

  Parameters

  • min: number

    the minimum x, y, z and w values.

  • max: number

    the maximum x, y, z and w values in the desired range.

  Returns Vector4

floor

• floor(): Vector4

  The components of this vector are rounded down to the nearest integer value.

  Returns Vector4

ceil

• ceil(): Vector4

  The x, y, z and w components of this vector are rounded up to the nearest integer value.

  Returns Vector4

round

• round(): Vector4

  The components of this vector are rounded to the nearest integer value.

  Returns Vector4

roundToZero

• roundToZero(): Vector4

  The components of this vector are rounded towards zero (up if negative, down if positive) to an integer value.

  Returns Vector4

negate

• negate(): Vector4

  Inverts this vector - i.e. sets x = -x, y = -y, z = -z and w = -w.

  Returns Vector4

dot

• dot(v: Vector4): number

  Calculates the dot product of this vector and v.

  Parameters

  • v: Vector4

  Returns number

lengthSq

• lengthSq(): number

  Computes the square of the Euclidean length (straight-line length) from (0, 0, 0, 0) to (x, y, z, w). If you are comparing the lengths of vectors, you should compare the length squared instead as it is slightly more efficient to calculate.

  Returns number

length

• length(): number

  Computes the Euclidean length (straight-line length) from (0, 0, 0, 0) to (x, y, z, w).

  Returns number

manhattanLength

• manhattanLength(): number

  Computes the Manhattan length of this vector.

  Returns number

normalize

• normalize(): Vector4

  Converts this vector to a unit vector

  • that is, sets it equal to a vector with the same direction as this one, but length| length 1.

  Returns Vector4

setLength

• setLength(length: number): Vector4

  Sets this vector to a vector with given length the same direction as this one.

  Parameters

  • length: number

  Returns Vector4

lerp

• lerp(v: Vector4, alpha: number): Vector4

  Linearly interpolates between this vector and v, where alpha is the percent distance along the line - alpha = 0 will be this vector, and alpha = 1 will be v.

  Parameters

  • v: Vector4

    Vector4 to interpolate towards.

  • alpha: number

    interpolation factor, typically in the closed interval [0, 1].

  Returns Vector4

lerpVectors

• lerpVectors(v1: Vector4, v2: Vector4, alpha: number): Vector4

  Sets this vector to be the vector linearly interpolated between v1 and v2 where alpha is the percent distance along the line connecting the two vectors

  • alpha = 0 will be v1, and alpha = 1 will be v2.

  Parameters

  • v1: Vector4

    the starting Vector4.

  • v2: Vector4

    Vector4 to interpolate towards.

  • alpha: number

    interpolation factor, typically in the closed interval [0, 1].

  Returns Vector4

equals

• equals(v: Vector4): boolean

  Checks for strict equality of this vector and v.

  Parameters

  • v: Vector4

  Returns boolean

setAxisAngleFromQuaternion

• setAxisAngleFromQuaternion(q: Quaternion): Vector4

  Sets the x, y and z components of this vector to the quaternion's axis and w to the angle.

  Parameters

  • q: Quaternion

    a normalized Quaterion| Quaterion

  Returns Vector4

setAxisAngleFromRotationMatrix

• setAxisAngleFromRotationMatrix(m: Matrix4): Vector4

  m a Matrix4 of which the upper left 3x3 matrix is a pure rotation matrix. Sets the x, y and z to the axis of rotation and w to the angle.

  Parameters

  • m: Matrix4

  Returns Vector4

fromArray0

• fromArray(array: ArrayLike<number>, offset?: number): Vector4

  Sets this vector's x value to be array[ offset + 0 ], y value to be array[ offset + 1 ] z value to be array[ offset + 2 ] and w value to be array[ offset + 3 ].

  Parameters

  • array: ArrayLike<number>

    the source array.

  • offset: number

    (optional) offset into the array.

  Returns Vector4

getNumberCount

• getNumberCount(): number

  There are 4 elements in this vector.

  Returns number

toArray

• toArray(array?: number[], offset?: number): number[]

  Returns an array [x, y, z, w], or copies x, y, z and w into the provided array.

  Parameters

  • array: number[]

    (optional) array to store this vector to. If this is not provided, a new array will be created.

  • offset: number

    (optional) optional offset into the array.

  Returns number[]

fromBufferAttribute

• fromBufferAttribute(attribute: BufferAttribute, index: number): Vector4

  Sets this vector's x, y, z and w values from the attribute.

  Parameters

  • attribute: BufferAttribute

    the source attribute.

  • index: number

    index in the attribute.

  Returns Vector4