From 6ec248b75a9ee38dc7c9bba80bdaed35a6817747 Mon Sep 17 00:00:00 2001
From: Dave Reid <davidreid@galicktech.com.au>
Date: Sat, 22 Dec 2012 14:21:17 +1000
Subject: [PATCH] Add static xpos, xneg, ypos, etc constants to tvec2.

---
 glm/core/type_vec2.hpp | 14 ++++++++++++++
 glm/core/type_vec2.inl | 15 +++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/glm/core/type_vec2.hpp b/glm/core/type_vec2.hpp
index 0cdcdc63..3efb090b 100644
--- a/glm/core/type_vec2.hpp
+++ b/glm/core/type_vec2.hpp
@@ -219,6 +219,20 @@ namespace detail
 		GLM_FUNC_DECL tvec3<T> swizzle(comp X, comp Y, comp Z) const;
 		GLM_FUNC_DECL tvec4<T> swizzle(comp X, comp Y, comp Z, comp W) const;
 		GLM_FUNC_DECL tref2<T> swizzle(comp X, comp Y);
+
+
+        //////////////////////////////////////
+		// Static constants
+
+        static const tvec2<T> xpos;
+        static const tvec2<T> xneg;
+        static const tvec2<T> ypos;
+        static const tvec2<T> yneg;
+
+        static const tvec2<T> right;
+        static const tvec2<T> left;
+        static const tvec2<T> up;
+        static const tvec2<T> down;
 	};
 
 	template <typename T>
diff --git a/glm/core/type_vec2.inl b/glm/core/type_vec2.inl
index ccf0f1fd..1a1f501c 100644
--- a/glm/core/type_vec2.inl
+++ b/glm/core/type_vec2.inl
@@ -1024,5 +1024,20 @@ namespace detail
 	{
 		return tvec2<T>(this->x, this->y);
 	}
+
+
+    //////////////////////////////////////
+	// Static constants
+
+    template <typename T> const tvec2<T> tvec2<T>::xpos  = tvec2<T>(T( 1), T( 0));
+    template <typename T> const tvec2<T> tvec2<T>::xneg  = tvec2<T>(T(-1), T( 0));
+    template <typename T> const tvec2<T> tvec2<T>::ypos  = tvec2<T>(T( 0), T( 1));
+    template <typename T> const tvec2<T> tvec2<T>::yneg  = tvec2<T>(T( 0), T(-1));
+
+    template <typename T> const tvec2<T> tvec2<T>::right = tvec2<T>(T( 1), T( 0));
+    template <typename T> const tvec2<T> tvec2<T>::left  = tvec2<T>(T(-1), T( 0));
+    template <typename T> const tvec2<T> tvec2<T>::up    = tvec2<T>(T( 0), T( 1));
+    template <typename T> const tvec2<T> tvec2<T>::down  = tvec2<T>(T( 0), T(-1));
+
 }//namespace detail
 }//namespace glm