quaternion

package
v0.35.0 Latest Latest
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 Go to latest Published: Nov 15, 2025 License: MIT Imports: 7 Imported by: 0

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Constants

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Variables

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Functions

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Types

type FromEulerAngleNode added in v0.23.0 

type FromEulerAngleNode struct {
	Angle nodes.Output[vector3.Float64]
}

From Euler Angles ==========================================================

func (FromEulerAngleNode) Out added in v0.32.0 

func (cn FromEulerAngleNode) Out(out *nodes.StructOutput[Quaternion])

type FromEulerAnglesNode added in v0.22.2 

type FromEulerAnglesNode struct {
	Angles nodes.Output[[]vector3.Float64]
}

func (FromEulerAnglesNode) Out added in v0.32.0 

func (cn FromEulerAnglesNode) Out(out *nodes.StructOutput[[]Quaternion])

type FromThetaArrayNode added in v0.22.2 

type FromThetaArrayNode struct {
	Direction nodes.Output[[]vector3.Float64]
	Theta     nodes.Output[[]float64]
}

func (FromThetaArrayNode) Out added in v0.32.0 

func (snd FromThetaArrayNode) Out(out *nodes.StructOutput[[]Quaternion])

type FromThetaNode added in v0.22.2 

type FromThetaNode struct {
	Theta     nodes.Output[float64]
	Direction nodes.Output[vector3.Float64]
}

func (FromThetaNode) Out added in v0.32.0 

func (cn FromThetaNode) Out(out *nodes.StructOutput[Quaternion])

type NewNode added in v0.22.2 

type NewNode struct {
	X nodes.Output[float64]
	Y nodes.Output[float64]
	Z nodes.Output[float64]
	W nodes.Output[float64]
}

func (NewNode) Out added in v0.32.0 

func (cn NewNode) Out(out *nodes.StructOutput[Quaternion])

type Quaternion 

type Quaternion struct {
	// contains filtered or unexported fields
}

Quaternion is a 4 component imaginary number thingy for rotating 3D meshes.

func FromEulerAngle added in v0.23.0 

func FromEulerAngle(angles vector3.Float64) Quaternion

https://en.wikipedia.org/wiki/Conversion_between_quaternions_and_Euler_angles

func FromMatrix added in v0.22.2 

func FromMatrix(k mat.Matrix4x4) Quaternion

func FromTheta 

func FromTheta(theta float64, v vector3.Float64) Quaternion

UnitQuaternionFromTheta takes a vector and angle and builds a unit quaternion in the form (cos(theta/2.0), sin(theta/2.0))

Resources Used: 

https://www.youtube.com/watch?v=mHVwd8gYLnI
https://en.wikipedia.org/wiki/Quaternions_and_spatial_rotation

func Identity added in v0.17.0 

func Identity() Quaternion

func New 

func New(v vector3.Float64, w float64) Quaternion

NewQuaternion creates a quaternion

func RotationTo 

func RotationTo(from, to vector3.Float64) Quaternion

func Zero 

func Zero() Quaternion

Zero returns a quaternion with 0 for all it's components

func (Quaternion) Dir 

func (q Quaternion) Dir() vector3.Float64

func (Quaternion) Dot added in v0.27.0 

func (q Quaternion) Dot(o Quaternion) float64

func (Quaternion) Multiply 

func (q Quaternion) Multiply(other Quaternion) Quaternion

https://github.com/toji/gl-matrix/blob/f0583ef53e94bc7e78b78c8a24f09ed5e2f7a20c/src/gl-matrix/quat.js#L179

func (Quaternion) Normalize 

func (q Quaternion) Normalize() Quaternion

func (Quaternion) Rotate 

func (q Quaternion) Rotate(v vector3.Float64) vector3.Float64

Rotate takes a given vector and rotates it with by this quaternion.

Resources Used: 

https://gamedev.stackexchange.com/questions/28395

func (Quaternion) RotateArray 

func (q Quaternion) RotateArray(arr []vector3.Float64) []vector3.Float64

func (Quaternion) ToArr added in v0.18.0 

func (q Quaternion) ToArr() [4]float64

func (Quaternion) ToEulerAngles added in v0.22.2 

func (q Quaternion) ToEulerAngles() vector3.Float64

https://en.wikipedia.org/wiki/Conversion_between_quaternions_and_Euler_angles

func (Quaternion) Vector4 added in v0.18.0 

func (q Quaternion) Vector4() vector4.Float64

func (Quaternion) W 

func (q Quaternion) W() float64

Source Files

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