GLM_GTX_matrix_transform_2d

Functions
template<typename T , qualifier Q>
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >	rotate (mat< 3, 3, T, Q > const &m, T angle)
template<typename T , qualifier Q>
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >	scale (mat< 3, 3, T, Q > const &m, vec< 2, T, Q > const &v)
template<typename T , qualifier Q>
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >	shearX (mat< 3, 3, T, Q > const &m, T y)
template<typename T , qualifier Q>
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >	shearY (mat< 3, 3, T, Q > const &m, T x)
template<typename T , qualifier Q>
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >	translate (mat< 3, 3, T, Q > const &m, vec< 2, T, Q > const &v)

Detailed Description

Include <glm/gtx/matrix_transform_2d.hpp> to use the features of this extension.

Defines functions that generate common 2d transformation matrices.

Function Documentation

rotate()

GLM_FUNC_QUALIFIER mat<3, 3, T, Q> glm::rotate	(	mat< 3, 3, T, Q > const &	m,
		T	angle
	)

Builds a rotation 3 * 3 matrix created from an angle.

Parameters

m	Input matrix multiplied by this translation matrix.
angle	Rotation angle expressed in radians.

scale()

GLM_FUNC_QUALIFIER mat<3, 3, T, Q> glm::scale	(	mat< 3, 3, T, Q > const &	m,
		vec< 2, T, Q > const &	v
	)

Builds a scale 3 * 3 matrix created from a vector of 2 components.

Parameters

m	Input matrix multiplied by this translation matrix.
v	Coordinates of a scale vector.

shearX()

GLM_FUNC_QUALIFIER mat<3, 3, T, Q> glm::shearX	(	mat< 3, 3, T, Q > const &	m,
		T	y
	)

Builds an horizontal (parallel to the x axis) shear 3 * 3 matrix.

Parameters

m	Input matrix multiplied by this translation matrix.
y	Shear factor.

shearY()

GLM_FUNC_QUALIFIER mat<3, 3, T, Q> glm::shearY	(	mat< 3, 3, T, Q > const &	m,
		T	x
	)

Builds a vertical (parallel to the y axis) shear 3 * 3 matrix.

Parameters

m	Input matrix multiplied by this translation matrix.
x	Shear factor.

translate()

GLM_FUNC_QUALIFIER mat<3, 3, T, Q> glm::translate	(	mat< 3, 3, T, Q > const &	m,
		vec< 2, T, Q > const &	v
	)

Builds a translation 3 * 3 matrix created from a vector of 2 components.

Parameters

m	Input matrix multiplied by this translation matrix.
v	Coordinates of a translation vector.