visutwin::canvas::Quaternion Struct Reference

Unit quaternion for rotation representation with SIMD-accelerated slerp and multiply. More...

#include <core/math/quaternion.h>

Public Member Functions
Quaternion	conjugate () const
float	getW () const
float	getX () const
float	getY () const
float	getZ () const
Quaternion	invert () const
float	length () const
float	lengthSquared () const
Quaternion	normalized () const
Quaternion	operator* (const float scalar) const
Quaternion	operator* (const Quaternion &rhs) const
Vector3	operator* (const Vector3 &v) const
	Quaternion ()
	Quaternion (float x, float y, float z, float w)
Matrix4	toRotationMatrix () const

Static Public Member Functions
static Quaternion	fromAxisAngle (const Vector3 &axis, float angle)
static Quaternion	fromEulerAngles (float ax, float ay, float az)
static Quaternion	fromMatrix4 (const Matrix4 &m)

Public Attributes
union {
struct {
float   w
float   x
float   y
float   z
}
float   q [4]
};

Friends
std::ostream &	operator<< (std::ostream &os, const Quaternion &q)

Detailed Description

Unit quaternion for rotation representation with SIMD-accelerated slerp and multiply.

Definition at line 19 of file quaternion.h.

Constructor & Destructor Documentation

Quaternion() [1/2]

visutwin::canvas::Quaternion::Quaternion

(

)

Referenced by conjugate(), fromAxisAngle(), fromEulerAngles(), fromMatrix4(), invert(), normalized(), operator*(), operator*(), and operator<<.

Quaternion() [2/2]

visutwin::canvas::Quaternion::Quaternion	(	float	x,
		float	y,
		float	z,
		float	w )

References w, x, y, and z.

Member Function Documentation

conjugate()

Quaternion visutwin::canvas::Quaternion::conjugate ( ) const

nodiscard

References Quaternion().

fromAxisAngle()

Quaternion visutwin::canvas::Quaternion::fromAxisAngle ( const Vector3 & axis, float angle )

static

References Quaternion().

fromEulerAngles()

Quaternion visutwin::canvas::Quaternion::fromEulerAngles ( float ax, float ay, float az )

static

References Quaternion().

Referenced by visutwin::canvas::ShadowRendererDirectional::cull(), visutwin::canvas::GraphNode::rotateLocal(), and visutwin::canvas::GraphNode::setLocalEulerAngles().

fromMatrix4()

Quaternion visutwin::canvas::Quaternion::fromMatrix4 ( const Matrix4 & m )

static

Converts the specified 4x4 matrix to a quaternion

References Quaternion().

Referenced by visutwin::canvas::GraphNode::rotation().

getW()

float visutwin::canvas::Quaternion::getW ( ) const

inlinenodiscard

Definition at line 89 of file quaternion.h.

References w.

getX()

float visutwin::canvas::Quaternion::getX ( ) const

inlinenodiscard

Definition at line 50 of file quaternion.h.

References x.

getY()

float visutwin::canvas::Quaternion::getY ( ) const

inlinenodiscard

Definition at line 63 of file quaternion.h.

References y.

getZ()

float visutwin::canvas::Quaternion::getZ ( ) const

inlinenodiscard

Definition at line 76 of file quaternion.h.

References z.

invert()

Quaternion visutwin::canvas::Quaternion::invert

(

)

const

Generates the inverse of the specified quaternion

References Quaternion().

length()

float visutwin::canvas::Quaternion::length

(

)

const

Returns the magnitude of the specified quaternion

lengthSquared()

float visutwin::canvas::Quaternion::lengthSquared

(

)

const

normalized()

Quaternion visutwin::canvas::Quaternion::normalized ( ) const

nodiscard

References Quaternion().

Referenced by visutwin::canvas::GlbParser::createFromModel(), visutwin::canvas::GlbParser::createFromPrepared(), visutwin::canvas::AnimTrack::eval(), and visutwin::canvas::GlbParser::parse().

operator*() [1/3]

Quaternion visutwin::canvas::Quaternion::operator*

(

const float

scalar

)

const

References Quaternion().

operator*() [2/3]

Quaternion visutwin::canvas::Quaternion::operator*

(

const Quaternion &

rhs

)

const

References Quaternion().

operator*() [3/3]

Vector3 visutwin::canvas::Quaternion::operator*

(

const Vector3 &

v

)

const

toRotationMatrix()

Matrix4 visutwin::canvas::Quaternion::toRotationMatrix ( ) const

nodiscard

Referenced by visutwin::canvas::GlbParser::parse().

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream & os, const Quaternion & q )

friend

Definition at line 129 of file quaternion.h.

References q, and Quaternion().

Member Data Documentation

[union]

union { ... } visutwin::canvas::Quaternion

q

float visutwin::canvas::Quaternion::q[4]

Definition at line 34 of file quaternion.h.

Referenced by operator<<.

w

float visutwin::canvas::Quaternion::w

Definition at line 32 of file quaternion.h.

Referenced by getW(), and Quaternion().

x

float visutwin::canvas::Quaternion::x

Definition at line 32 of file quaternion.h.

Referenced by getX(), and Quaternion().

y

float visutwin::canvas::Quaternion::y

Definition at line 32 of file quaternion.h.

Referenced by getY(), and Quaternion().

z

float visutwin::canvas::Quaternion::z

Definition at line 32 of file quaternion.h.

Referenced by getZ(), and Quaternion().

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The documentation for this struct was generated from the following file:

• core/math/quaternion.h