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-rw-r--r--src/include/glm/gtx/projection.hpp43
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diff --git a/src/include/glm/gtx/projection.hpp b/src/include/glm/gtx/projection.hpp
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+/// @ref gtx_projection
+/// @file glm/gtx/projection.hpp
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_projection GLM_GTX_projection
+/// @ingroup gtx
+///
+/// Include <glm/gtx/projection.hpp> to use the features of this extension.
+///
+/// Projection of a vector to other one
+
+#pragma once
+
+// Dependency:
+#include "../geometric.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+# ifndef GLM_ENABLE_EXPERIMENTAL
+# pragma message("GLM: GLM_GTX_projection 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.")
+# else
+# pragma message("GLM: GLM_GTX_projection extension included")
+# endif
+#endif
+
+namespace glm
+{
+ /// @addtogroup gtx_projection
+ /// @{
+
+ /// Projects x on Normal.
+ ///
+ /// @param[in] x A vector to project
+ /// @param[in] Normal A normal that doesn't need to be of unit length.
+ ///
+ /// @see gtx_projection
+ template<typename genType>
+ GLM_FUNC_DECL genType proj(genType const& x, genType const& Normal);
+
+ /// @}
+}//namespace glm
+
+#include "projection.inl"