1///////////////////////////////////////////////////////////////////////////////////
2/// OpenGL Mathematics (glm.g-truc.net)
3///
4/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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9/// copies of the Software, and to permit persons to whom the Software is
10/// furnished to do so, subject to the following conditions:
11///
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13/// all copies or substantial portions of the Software.
14///
15/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21/// THE SOFTWARE.
22///
23/// @ref gtx_matrix_interpolation
24/// @file glm/gtx/matrix_interpolation.hpp
25/// @date 2011-03-05 / 2011-06-07
26/// @author Ghenadii Ursachi (the.asteroth@gmail.com)
27///
28/// @see core (dependence)
29///
30/// @defgroup gtx_matrix_interpolation GLM_GTX_matrix_interpolation
31/// @ingroup gtx
32///
33/// @brief Allows to directly interpolate two exiciting matrices.
34///
35/// <glm/gtx/matrix_interpolation.hpp> need to be included to use these functionalities.
36///////////////////////////////////////////////////////////////////////////////////
37
38#ifndef GLM_GTX_matrix_interpolation
39#define GLM_GTX_matrix_interpolation
40
41// Dependency:
42#include "../glm.hpp"
43
44#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
45#	pragma message("GLM: GLM_GTX_matrix_interpolation extension included")
46#endif
47
48namespace glm
49{
50	/// @addtogroup gtx_matrix_interpolation
51	/// @{
52
53	/// Get the axis and angle of the rotation from a matrix.
54	/// From GLM_GTX_matrix_interpolation extension.
55	template <typename T, precision P>
56	GLM_FUNC_DECL void axisAngle(
57		detail::tmat4x4<T, P> const & mat,
58		detail::tvec3<T, P> & axis,
59		T & angle);
60
61	/// Build a matrix from axis and angle.
62	/// From GLM_GTX_matrix_interpolation extension.
63	template <typename T, precision P>
64	GLM_FUNC_DECL detail::tmat4x4<T, P> axisAngleMatrix(
65		detail::tvec3<T, P> const & axis,
66		T const angle);
67
68	/// Extracts the rotation part of a matrix.
69	/// From GLM_GTX_matrix_interpolation extension.
70	template <typename T, precision P>
71	GLM_FUNC_DECL detail::tmat4x4<T, P> extractMatrixRotation(
72		detail::tmat4x4<T, P> const & mat);
73
74	/// Build a interpolation of 4 * 4 matrixes.
75	/// From GLM_GTX_matrix_interpolation extension.
76	/// Warning! works only with rotation and/or translation matrixes, scale will generate unexpected results.
77	template <typename T, precision P>
78	GLM_FUNC_DECL detail::tmat4x4<T, P> interpolate(
79		detail::tmat4x4<T, P> const & m1,
80		detail::tmat4x4<T, P> const & m2,
81		T const delta);
82
83	/// @}
84}//namespace glm
85
86#include "matrix_interpolation.inl"
87
88#endif//GLM_GTX_matrix_interpolation
89