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lib/glm/gtx/matrix_interpolation.hpp

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+/// @ref gtx_matrix_interpolation
+/// @file glm/gtx/matrix_interpolation.hpp
+/// @author Ghenadii Ursachi (the.asteroth@gmail.com)
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_matrix_interpolation GLM_GTX_matrix_interpolation
+/// @ingroup gtx
+///
+/// @brief Allows to directly interpolate two exiciting matrices.
+///
+/// <glm/gtx/matrix_interpolation.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+
+#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_GTX_matrix_interpolation extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_interpolation
+	/// @{
+
+	/// Get the axis and angle of the rotation from a matrix.
+	/// From GLM_GTX_matrix_interpolation extension.
+	template <typename T, precision P>
+	GLM_FUNC_DECL void axisAngle(
+		tmat4x4<T, P> const & mat,
+		tvec3<T, P> & axis,
+		T & angle);
+
+	/// Build a matrix from axis and angle.
+	/// From GLM_GTX_matrix_interpolation extension.
+	template <typename T, precision P>
+	GLM_FUNC_DECL tmat4x4<T, P> axisAngleMatrix(
+		tvec3<T, P> const & axis,
+		T const angle);
+
+	/// Extracts the rotation part of a matrix.
+	/// From GLM_GTX_matrix_interpolation extension.
+	template <typename T, precision P>
+	GLM_FUNC_DECL tmat4x4<T, P> extractMatrixRotation(
+		tmat4x4<T, P> const & mat);
+
+	/// Build a interpolation of 4 * 4 matrixes.
+	/// From GLM_GTX_matrix_interpolation extension.
+	/// Warning! works only with rotation and/or translation matrixes, scale will generate unexpected results.
+	template <typename T, precision P>
+	GLM_FUNC_DECL tmat4x4<T, P> interpolate(
+		tmat4x4<T, P> const & m1,
+		tmat4x4<T, P> const & m2,
+		T const delta);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_interpolation.inl"