glm/glm/gtx/matrix_transform_2d.hpp
2014-12-19 23:54:25 +01:00

107 lines
3.8 KiB
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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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///
/// @ref gtx_matrix_transform_2d
/// @file glm/gtx/matrix_transform_2d.hpp
/// @date 2014-02-20
/// @author Miguel Ángel Pérez Martínez
///
/// @see core (dependence)
///
/// @defgroup gtx_matrix_transform_2d GLM_GTX_matrix_transform_2d
/// @ingroup gtx
///
/// @brief Defines functions that generate common 2d transformation matrices.
///
/// <glm/gtx/matrix_transform_2d.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////
#pragma once
// Dependency:
#include "../mat3x3.hpp"
#include "../vec2.hpp"
#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
# pragma message("GLM: GLM_GTX_matrix_transform_2d extension included")
#endif
namespace glm
{
/// @addtogroup gtx_matrix_transform_2d
/// @{
/// Builds a translation 3 * 3 matrix created from a vector of 2 components.
///
/// @param m Input matrix multiplied by this translation matrix.
/// @param v Coordinates of a translation vector.
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> translate(
tmat3x3<T, P> const & m,
tvec2<T, P> const & v);
/// Builds a rotation 3 * 3 matrix created from an angle.
///
/// @param m Input matrix multiplied by this translation matrix.
/// @param angle Rotation angle expressed in radians if GLM_FORCE_RADIANS is defined or degrees otherwise.
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> rotate(
tmat3x3<T, P> const & m,
T angle);
/// Builds a scale 3 * 3 matrix created from a vector of 2 components.
///
/// @param m Input matrix multiplied by this translation matrix.
/// @param v Coordinates of a scale vector.
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> scale(
tmat3x3<T, P> const & m,
tvec2<T, P> const & v);
/// Builds an horizontal (parallel to the x axis) shear 3 * 3 matrix.
///
/// @param m Input matrix multiplied by this translation matrix.
/// @param y Shear factor.
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> shearX(
tmat3x3<T, P> const & m,
T y);
/// Builds a vertical (parallel to the y axis) shear 3 * 3 matrix.
///
/// @param m Input matrix multiplied by this translation matrix.
/// @param x Shear factor.
template <typename T, precision P>
GLM_FUNC_QUALIFIER tmat3x3<T, P> shearY(
tmat3x3<T, P> const & m,
T x);
/// @}
}//namespace glm
#include "matrix_transform_2d.inl"