GLM_GTX_quaternion

Functions
template<typename T , qualifier Q>
GLM_FUNC_DECL vec< 3, T, Q >	cross (qua< T, Q > const &q, vec< 3, T, Q > const &v)
template<typename T , qualifier Q>
GLM_FUNC_DECL vec< 3, T, Q >	cross (vec< 3, T, Q > const &v, qua< T, Q > const &q)
template<typename T , qualifier Q>
GLM_FUNC_DECL T	extractRealComponent (qua< T, Q > const &q)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	fastMix (qua< T, Q > const &x, qua< T, Q > const &y, T const &a)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	intermediate (qua< T, Q > const &prev, qua< T, Q > const &curr, qua< T, Q > const &next)
template<typename T , qualifier Q>
GLM_FUNC_DECL T	length2 (qua< T, Q > const &q)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	quat_identity ()
template<typename T , qualifier Q>
GLM_FUNC_DECL vec< 3, T, Q >	rotate (qua< T, Q > const &q, vec< 3, T, Q > const &v)
template<typename T , qualifier Q>
GLM_FUNC_DECL vec< 4, T, Q >	rotate (qua< T, Q > const &q, vec< 4, T, Q > const &v)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	rotation (vec< 3, T, Q > const &orig, vec< 3, T, Q > const &dest)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	shortMix (qua< T, Q > const &x, qua< T, Q > const &y, T const &a)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	squad (qua< T, Q > const &q1, qua< T, Q > const &q2, qua< T, Q > const &s1, qua< T, Q > const &s2, T const &h)
template<typename T , qualifier Q>
GLM_FUNC_DECL mat< 3, 3, T, Q >	toMat3 (qua< T, Q > const &x)
template<typename T , qualifier Q>
GLM_FUNC_DECL mat< 4, 4, T, Q >	toMat4 (qua< T, Q > const &x)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	toQuat (mat< 3, 3, T, Q > const &x)
template<typename T , qualifier Q>
GLM_FUNC_DECL qua< T, Q >	toQuat (mat< 4, 4, T, Q > const &x)

Detailed Description

Include <glm/gtx/quaternion.hpp> to use the features of this extension.

Extented quaternion types and functions

Function Documentation

cross() [1/2]

GLM_FUNC_DECL vec<3, T, Q> glm::cross	(	qua< T, Q > const &	q,
		vec< 3, T, Q > const &	v
	)

Compute a cross product between a quaternion and a vector.

See also

GLM_GTX_quaternion

cross() [2/2]

GLM_FUNC_DECL vec<3, T, Q> glm::cross	(	vec< 3, T, Q > const &	v,
		qua< T, Q > const &	q
	)

Compute a cross product between a vector and a quaternion.

See also

GLM_GTX_quaternion

extractRealComponent()

GLM_FUNC_DECL T glm::extractRealComponent

(

qua< T, Q > const &

q

)

Extract the real component of a quaternion.

See also

GLM_GTX_quaternion

fastMix()

GLM_FUNC_DECL qua<T, Q> glm::fastMix	(	qua< T, Q > const &	x,
		qua< T, Q > const &	y,
		T const &	a
	)

Quaternion normalized linear interpolation.

See also

GLM_GTX_quaternion

intermediate()

GLM_FUNC_DECL qua<T, Q> glm::intermediate	(	qua< T, Q > const &	prev,
		qua< T, Q > const &	curr,
		qua< T, Q > const &	next
	)

Returns an intermediate control point for squad interpolation.

See also

GLM_GTX_quaternion

length2()

GLM_FUNC_DECL T glm::length2

(

qua< T, Q > const &

q

)

Returns the squared length of x.

See also

GLM_GTX_quaternion

quat_identity()

GLM_FUNC_DECL qua<T, Q> glm::quat_identity

(

)

Create an identity quaternion.

See also

GLM_GTX_quaternion

rotate() [1/2]

GLM_FUNC_DECL vec<3, T, Q> glm::rotate	(	qua< T, Q > const &	q,
		vec< 3, T, Q > const &	v
	)

Returns quarternion square root.

See also

GLM_GTX_quaternion Rotates a 3 components vector by a quaternion.

GLM_GTX_quaternion

rotate() [2/2]

GLM_FUNC_DECL vec<4, T, Q> glm::rotate	(	qua< T, Q > const &	q,
		vec< 4, T, Q > const &	v
	)

Rotates a 4 components vector by a quaternion.

See also

GLM_GTX_quaternion

rotation()

GLM_FUNC_DECL qua<T, Q> glm::rotation	(	vec< 3, T, Q > const &	orig,
		vec< 3, T, Q > const &	dest
	)

Compute the rotation between two vectors.

param orig vector, needs to be normalized param dest vector, needs to be normalized

See also

GLM_GTX_quaternion

shortMix()

GLM_FUNC_DECL qua<T, Q> glm::shortMix	(	qua< T, Q > const &	x,
		qua< T, Q > const &	y,
		T const &	a
	)

Quaternion interpolation using the rotation short path.

See also

GLM_GTX_quaternion

squad()

GLM_FUNC_DECL qua<T, Q> glm::squad	(	qua< T, Q > const &	q1,
		qua< T, Q > const &	q2,
		qua< T, Q > const &	s1,
		qua< T, Q > const &	s2,
		T const &	h
	)

Compute a point on a path according squad equation.

q1 and q2 are control points; s1 and s2 are intermediate control points.

See also

GLM_GTX_quaternion

toMat3()

GLM_FUNC_DECL mat<3, 3, T, Q> glm::toMat3

(

qua< T, Q > const &

x

)

Converts a quaternion to a 3 * 3 matrix.

See also

GLM_GTX_quaternion

Definition at line 113 of file gtx/quaternion.hpp.

References glm::mat3_cast().

toMat4()

GLM_FUNC_DECL mat<4, 4, T, Q> glm::toMat4

(

qua< T, Q > const &

x

)

Converts a quaternion to a 4 * 4 matrix.

See also

GLM_GTX_quaternion

Definition at line 120 of file gtx/quaternion.hpp.

References glm::mat4_cast().

toQuat() [1/2]

GLM_FUNC_DECL qua<T, Q> glm::toQuat

(

mat< 3, 3, T, Q > const &

x

)

Converts a 3 * 3 matrix to a quaternion.

See also

GLM_GTX_quaternion

Definition at line 127 of file gtx/quaternion.hpp.

References glm::quat_cast().

toQuat() [2/2]

GLM_FUNC_DECL qua<T, Q> glm::toQuat

(

mat< 4, 4, T, Q > const &

x

)

Converts a 4 * 4 matrix to a quaternion.

See also

GLM_GTX_quaternion

Definition at line 134 of file gtx/quaternion.hpp.

References glm::quat_cast().