gtx_matrix_transform_2d Module Reference

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

Defines functions that generate common 2d transformation matrices.

Public Member Functions

GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >

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.

m
Input matrix multiplied by this translation matrix.
v
Coordinates of a translation vector.
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >

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

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

m
Input matrix multiplied by this translation matrix.
angle
Rotation angle expressed in radians.
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >

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.

m
Input matrix multiplied by this translation matrix.
v
Coordinates of a scale vector.
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >

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

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

m
Input matrix multiplied by this translation matrix.
y
Shear factor.
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q >

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

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

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