-const float TOP = 0.0f;
-const float BOTTOM = 1.0f;
-const float LEFT = 0.0f;
-const float RIGHT = 1.0f;
-const float MIDDLE = 0.5f;
-
-const Vector3 TOP_LEFT( 0.0f, 0.0f, 0.5f );
-const Vector3 TOP_CENTER( 0.5f, 0.0f, 0.5f );
-const Vector3 TOP_RIGHT( 1.0f, 0.0f, 0.5f );
-const Vector3 CENTER_LEFT( 0.0f, 0.5f, 0.5f );
-const Vector3 CENTER( 0.5f, 0.5f, 0.5f );
-const Vector3 CENTER_RIGHT( 1.0f, 0.5f, 0.5f );
-const Vector3 BOTTOM_LEFT( 0.0f, 1.0f, 0.5f );
-const Vector3 BOTTOM_CENTER( 0.5f, 1.0f, 0.5f );
-const Vector3 BOTTOM_RIGHT( 1.0f, 1.0f, 0.5f );
-
-const Vector3 DEFAULT( TOP_LEFT );
+extern const Vector3 DEFAULT; ///< TOP_LEFT
+
+extern const float TOP; ///< 0.0f
+extern const float BOTTOM; ///< 1.0f
+extern const float LEFT; ///< 0.0f
+extern const float RIGHT; ///< 1.0f
+extern const float MIDDLE; ///< 0.5f
+
+extern const Vector3 BACK_TOP_LEFT; ///< 0.0f, 0.0f, 0.0f
+extern const Vector3 BACK_TOP_CENTER; ///< 0.5f, 0.0f, 0.0f
+extern const Vector3 BACK_TOP_RIGHT; ///< 1.0f, 0.0f, 0.0f
+extern const Vector3 BACK_CENTER_LEFT; ///< 0.0f, 0.5f, 0.0f
+extern const Vector3 BACK_CENTER; ///< 0.5f, 0.5f, 0.0f
+extern const Vector3 BACK_CENTER_RIGHT; ///< 1.0f, 0.5f, 0.0f
+extern const Vector3 BACK_BOTTOM_LEFT; ///< 0.0f, 1.0f, 0.0f
+extern const Vector3 BACK_BOTTOM_CENTER; ///< 0.5f, 1.0f, 0.0f
+extern const Vector3 BACK_BOTTOM_RIGHT; ///< 1.0f, 1.0f, 0.0f
+
+extern const Vector3 TOP_LEFT; ///< 0.0f, 0.0f, 0.5f
+extern const Vector3 TOP_CENTER; ///< 0.5f, 0.0f, 0.5f
+extern const Vector3 TOP_RIGHT; ///< 1.0f, 0.0f, 0.5f
+extern const Vector3 CENTER_LEFT; ///< 0.0f, 0.5f, 0.5f
+extern const Vector3 CENTER; ///< 0.5f, 0.5f, 0.5f
+extern const Vector3 CENTER_RIGHT; ///< 1.0f, 0.5f, 0.5f
+extern const Vector3 BOTTOM_LEFT; ///< 0.0f, 1.0f, 0.5f
+extern const Vector3 BOTTOM_CENTER; ///< 0.5f, 1.0f, 0.5f
+extern const Vector3 BOTTOM_RIGHT; ///< 1.0f, 1.0f, 0.5f
+
+extern const Vector3 FRONT_TOP_LEFT; ///< 0.0f, 0.0f, 1.0f
+extern const Vector3 FRONT_TOP_CENTER; ///< 0.5f, 0.0f, 1.0f
+extern const Vector3 FRONT_TOP_RIGHT; ///< 1.0f, 0.0f, 1.0f
+extern const Vector3 FRONT_CENTER_LEFT; ///< 0.0f, 0.5f, 1.0f
+extern const Vector3 FRONT_CENTER; ///< 0.5f, 0.5f, 1.0f
+extern const Vector3 FRONT_CENTER_RIGHT; ///< 1.0f, 0.5f, 1.0f
+extern const Vector3 FRONT_BOTTOM_LEFT; ///< 0.0f, 1.0f, 1.0f
+extern const Vector3 FRONT_BOTTOM_CENTER;///< 0.5f, 1.0f, 1.0f
+extern const Vector3 FRONT_BOTTOM_RIGHT; ///< 1.0f, 1.0f, 1.0f
+