82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
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/// @ref gtx_matrix_transform_2d
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/// @file glm/gtx/matrix_transform_2d.hpp
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/// @author Miguel Ángel Pérez Martínez
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///
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/// @see core (dependence)
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///
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/// @defgroup gtx_matrix_transform_2d GLM_GTX_matrix_transform_2d
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/// @ingroup gtx
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///
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/// Include <glm/gtx/matrix_transform_2d.hpp> to use the features of this extension.
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///
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/// Defines functions that generate common 2d transformation matrices.
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#pragma once
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// Dependency:
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#include "../mat3x3.hpp"
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#include "../vec2.hpp"
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#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
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# ifndef GLM_ENABLE_EXPERIMENTAL
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# pragma message("GLM: GLM_GTX_matrix_transform_2d is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.")
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# else
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# pragma message("GLM: GLM_GTX_matrix_transform_2d extension included")
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# endif
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#endif
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namespace glm
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{
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/// @addtogroup gtx_matrix_transform_2d
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/// @{
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/// Builds a translation 3 * 3 matrix created from a vector of 2 components.
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///
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/// @param m Input matrix multiplied by this translation matrix.
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/// @param v Coordinates of a translation vector.
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER mat<3, 3, T, Q> translate(
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mat<3, 3, T, Q> const& m,
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vec<2, T, Q> const& v);
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/// Builds a rotation 3 * 3 matrix created from an angle.
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///
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/// @param m Input matrix multiplied by this translation matrix.
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/// @param angle Rotation angle expressed in radians.
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER mat<3, 3, T, Q> rotate(
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mat<3, 3, T, Q> const& m,
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T angle);
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/// Builds a scale 3 * 3 matrix created from a vector of 2 components.
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///
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/// @param m Input matrix multiplied by this translation matrix.
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/// @param v Coordinates of a scale vector.
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER mat<3, 3, T, Q> scale(
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mat<3, 3, T, Q> const& m,
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vec<2, T, Q> const& v);
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/// Builds an horizontal (parallel to the x axis) shear 3 * 3 matrix.
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///
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/// @param m Input matrix multiplied by this translation matrix.
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/// @param y Shear factor.
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER mat<3, 3, T, Q> shearX(
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mat<3, 3, T, Q> const& m,
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T y);
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/// Builds a vertical (parallel to the y axis) shear 3 * 3 matrix.
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///
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/// @param m Input matrix multiplied by this translation matrix.
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/// @param x Shear factor.
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER mat<3, 3, T, Q> shearY(
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mat<3, 3, T, Q> const& m,
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T x);
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/// @}
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}//namespace glm
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#include "matrix_transform_2d.inl"
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