quaternion

package
v0.23.1 Latest Latest
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 Go to latest Published: Apr 4, 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 = nodes.Struct[FromEulerAngleNodeData]

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

type FromEulerAngleNodeData added in v0.23.0 

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

func (FromEulerAngleNodeData) Out added in v0.23.0 

func (cn FromEulerAngleNodeData) Out() nodes.StructOutput[Quaternion]

type FromEulerAnglesNode added in v0.22.2 

type FromEulerAnglesNode = nodes.Struct[FromEulerAnglesNodeData]

type FromEulerAnglesNodeData added in v0.22.2 

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

func (FromEulerAnglesNodeData) Out added in v0.23.0 

func (cn FromEulerAnglesNodeData) Out() nodes.StructOutput[[]Quaternion]

type FromThetaArrayNode added in v0.22.2 

type FromThetaArrayNode = nodes.Struct[FromThetaArrayNodeData]

type FromThetaArrayNodeData added in v0.22.2 

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

func (FromThetaArrayNodeData) Out added in v0.23.0 

func (snd FromThetaArrayNodeData) Out() nodes.StructOutput[[]Quaternion]

type FromThetaNode added in v0.22.2 

type FromThetaNode = nodes.Struct[FromThetaNodeData]

type FromThetaNodeData added in v0.22.2 

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

func (FromThetaNodeData) Out added in v0.23.0 

func (cn FromThetaNodeData) Out() nodes.StructOutput[Quaternion]

type NewNode added in v0.22.2 

type NewNode = nodes.Struct[NewNodeData]

type NewNodeData added in v0.22.2 

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

func (NewNodeData) Out added in v0.23.0 

func (cn NewNodeData) 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

https://github.com/toji/gl-matrix/blob/f0583ef53e94bc7e78b78c8a24f09ed5e2f7a20c/src/gl-matrix/quat.js#L54

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) 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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