CS计算机代考程序代写 ///////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 – 2015 G-Truc Creation (www.g-truc.net)
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/// all copies or substantial portions of the Software.
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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.
///
/// 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
GLM_FUNC_QUALIFIER tmat3x3 translate(
tmat3x3 const & m,
tvec2 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
GLM_FUNC_QUALIFIER tmat3x3 rotate(
tmat3x3 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
GLM_FUNC_QUALIFIER tmat3x3 scale(
tmat3x3 const & m,
tvec2 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
GLM_FUNC_QUALIFIER tmat3x3 shearX(
tmat3x3 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
GLM_FUNC_QUALIFIER tmat3x3 shearY(
tmat3x3 const & m,
T x);

/// @}
}//namespace glm

#include “matrix_transform_2d.inl”