fun convertPackedArrayForInterpolation(packedArray: ReadonlyArray<Double>, startingIndex: Int? = definedExternally, lastIndex: Int? = definedExternally, result: ReadonlyArray<Double>? = definedExternally)

Converts a packed array into a form suitable for interpolation.

divideByScalar

fun divideByScalar(quaternion: Quaternion, scalar: Double, result: Quaternion): Quaternion

Divides the provided quaternion componentwise by the provided scalar.

dot

fun dot(left: Quaternion, right: Quaternion): Double

Computes the dot (scalar) product of two quaternions.

equals

fun equals(left: Quaternion? = definedExternally, right: Quaternion? = definedExternally): Boolean

Compares the provided quaternions componentwise and returns true if they are equal, false otherwise.

equalsEpsilon

fun equalsEpsilon(left: Quaternion? = definedExternally, right: Quaternion? = definedExternally, epsilon: Double? = definedExternally): Boolean

Compares the provided quaternions componentwise and returns true if they are within the provided epsilon, false otherwise.

exp

fun exp(cartesian: Cartesian3, result: Quaternion): Quaternion

The exponential quaternion function.

fastSlerp

fun fastSlerp(start: Quaternion, end: Quaternion, t: Double, result: Quaternion): Quaternion

Computes the spherical linear interpolation or extrapolation at t using the provided quaternions. This implementation is faster than Quaternion.slerp, but is only accurate up to 10^-6.

fastSquad

fun fastSquad(q0: Quaternion, q1: Quaternion, s0: Quaternion, s1: Quaternion, t: Double, result: Quaternion): Quaternion

Computes the spherical quadrangle interpolation between quaternions. An implementation that is faster than Quaternion.squad, but less accurate.

fromAxisAngle

fun fromAxisAngle(axis: Cartesian3, angle: Double, result: Quaternion? = definedExternally): Quaternion

Computes a quaternion representing a rotation around an axis.

fromHeadingPitchRoll

fun fromHeadingPitchRoll(headingPitchRoll: HeadingPitchRoll, result: Quaternion? = definedExternally): Quaternion

Computes a rotation from the given heading, pitch and roll angles. Heading is the rotation about the negative z axis. Pitch is the rotation about the negative y axis. Roll is the rotation about the positive x axis.

fromRotationMatrix

fun fromRotationMatrix(matrix: Matrix3, result: Quaternion? = definedExternally): Quaternion

Computes a Quaternion from the provided Matrix3 instance.

inverse

fun inverse(quaternion: Quaternion, result: Quaternion): Quaternion

Computes the inverse of the provided quaternion.

lerp

fun lerp(start: Quaternion, end: Quaternion, t: Double, result: Quaternion): Quaternion

Computes the linear interpolation or extrapolation at t using the provided quaternions.

log

fun log(quaternion: Quaternion, result: Cartesian3): Cartesian3

The logarithmic quaternion function.

magnitude

fun magnitude(quaternion: Quaternion): Double

Computes magnitude for the provided quaternion.

magnitudeSquared

fun magnitudeSquared(quaternion: Quaternion): Double

Computes magnitude squared for the provided quaternion.

multiply

fun multiply(left: Quaternion, right: Quaternion, result: Quaternion): Quaternion

Computes the product of two quaternions.

multiplyByScalar

fun multiplyByScalar(quaternion: Quaternion, scalar: Double, result: Quaternion): Quaternion

Multiplies the provided quaternion componentwise by the provided scalar.

negate

fun negate(quaternion: Quaternion, result: Quaternion): Quaternion

Negates the provided quaternion.

normalize

fun normalize(quaternion: Quaternion, result: Quaternion): Quaternion

Computes the normalized form of the provided quaternion.

pack

open override fun pack(value: Quaternion, array: ReadonlyArray<Double>, startingIndex: Int?): ReadonlyArray<Double>

Stores the provided instance into the provided array.

slerp

fun slerp(start: Quaternion, end: Quaternion, t: Double, result: Quaternion): Quaternion

Computes the spherical linear interpolation or extrapolation at t using the provided quaternions.

squad

fun squad(q0: Quaternion, q1: Quaternion, s0: Quaternion, s1: Quaternion, t: Double, result: Quaternion): Quaternion

Computes the spherical quadrangle interpolation between quaternions.

subtract

fun subtract(left: Quaternion, right: Quaternion, result: Quaternion): Quaternion

Computes the componentwise difference of two quaternions.

unpack

open override fun unpack(array: ReadonlyArray<Double>, startingIndex: Int?, result: Quaternion?): Quaternion

Retrieves an instance from a packed array.

unpackInterpolationResult

fun unpackInterpolationResult(array: ReadonlyArray<Double>, sourceArray: ReadonlyArray<Double>, firstIndex: Int? = definedExternally, lastIndex: Int? = definedExternally, result: Quaternion? = definedExternally): Quaternion

Retrieves an instance from a packed array converted with convertPackedArrayForInterpolation.