rotating skyboxgit add -A

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diff --git a/glm-master/glm/ext/scalar_reciprocal.hpp b/glm-master/glm/ext/scalar_reciprocal.hpp
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+/// @ref ext_scalar_reciprocal
+/// @file glm/ext/scalar_reciprocal.hpp
+///
+/// @see core (dependence)
+///
+/// @defgroup ext_scalar_reciprocal GLM_EXT_scalar_reciprocal
+/// @ingroup ext
+///
+/// Include <glm/ext/scalar_reciprocal.hpp> to use the features of this extension.
+///
+/// Define secant, cosecant and cotangent functions.
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_EXT_scalar_reciprocal extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup ext_scalar_reciprocal
+	/// @{
+
+	/// Secant function.
+	/// hypotenuse / adjacent or 1 / cos(x)
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType sec(genType angle);
+
+	/// Cosecant function.
+	/// hypotenuse / opposite or 1 / sin(x)
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType csc(genType angle);
+
+	/// Cotangent function.
+	/// adjacent / opposite or 1 / tan(x)
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType cot(genType angle);
+
+	/// Inverse secant function.
+	///
+	/// @return Return an angle expressed in radians.
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType asec(genType x);
+
+	/// Inverse cosecant function.
+	///
+	/// @return Return an angle expressed in radians.
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType acsc(genType x);
+
+	/// Inverse cotangent function.
+	///
+	/// @return Return an angle expressed in radians.
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType acot(genType x);
+
+	/// Secant hyperbolic function.
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType sech(genType angle);
+
+	/// Cosecant hyperbolic function.
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType csch(genType angle);
+
+	/// Cotangent hyperbolic function.
+	///
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType coth(genType angle);
+
+	/// Inverse secant hyperbolic function.
+	///
+	/// @return Return an angle expressed in radians.
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType asech(genType x);
+
+	/// Inverse cosecant hyperbolic function.
+	///
+	/// @return Return an angle expressed in radians.
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType acsch(genType x);
+
+	/// Inverse cotangent hyperbolic function.
+	///
+	/// @return Return an angle expressed in radians.
+	/// @tparam genType Floating-point scalar or vector types.
+	///
+	/// @see ext_scalar_reciprocal
+	template<typename genType>
+	GLM_FUNC_DECL genType acoth(genType x);
+
+	/// @}
+}//namespace glm
+
+#include "scalar_reciprocal.inl"