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      1 ///////////////////////////////////////////////////////////////////////////////////
      2 /// OpenGL Mathematics (glm.g-truc.net)
      3 ///
      4 /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
      5 /// Permission is hereby granted, free of charge, to any person obtaining a copy
      6 /// of this software and associated documentation files (the "Software"), to deal
      7 /// in the Software without restriction, including without limitation the rights
      8 /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      9 /// copies of the Software, and to permit persons to whom the Software is
     10 /// furnished to do so, subject to the following conditions:
     11 ///
     12 /// The above copyright notice and this permission notice shall be included in
     13 /// all copies or substantial portions of the Software.
     14 ///
     15 /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     18 /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19 /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     20 /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     21 /// THE SOFTWARE.
     22 ///
     23 /// @ref gtx_normal
     24 /// @file glm/gtx/normal.hpp
     25 /// @date 2005-12-21 / 2011-06-07
     26 /// @author Christophe Riccio
     27 ///
     28 /// @see core (dependence)
     29 /// @see gtx_extented_min_max (dependence)
     30 ///
     31 /// @defgroup gtx_normal GLM_GTX_normal
     32 /// @ingroup gtx
     33 ///
     34 /// @brief Compute the normal of a triangle.
     35 ///
     36 /// <glm/gtx/normal.hpp> need to be included to use these functionalities.
     37 ///////////////////////////////////////////////////////////////////////////////////
     38 
     39 #ifndef GLM_GTX_normal
     40 #define GLM_GTX_normal
     41 
     42 // Dependency:
     43 #include "../glm.hpp"
     44 
     45 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
     46 #	pragma message("GLM: GLM_GTX_normal extension included")
     47 #endif
     48 
     49 namespace glm
     50 {
     51 	/// @addtogroup gtx_normal
     52 	/// @{
     53 
     54 	//! Computes triangle normal from triangle points.
     55 	//! From GLM_GTX_normal extension.
     56 	template <typename T, precision P>
     57 	GLM_FUNC_DECL detail::tvec3<T, P> triangleNormal(
     58 		detail::tvec3<T, P> const & p1,
     59 		detail::tvec3<T, P> const & p2,
     60 		detail::tvec3<T, P> const & p3);
     61 
     62 	/// @}
     63 }//namespace glm
     64 
     65 #include "normal.inl"
     66 
     67 #endif//GLM_GTX_normal
     68