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Diffstat (limited to 'src/glm/core/func_geometric.hpp')
| -rw-r--r-- | src/glm/core/func_geometric.hpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/glm/core/func_geometric.hpp b/src/glm/core/func_geometric.hpp new file mode 100644 index 0000000..a42ae1b --- /dev/null +++ b/src/glm/core/func_geometric.hpp @@ -0,0 +1,108 @@ +///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-08-03
+// Updated : 2010-02-04
+// Licence : This source is under MIT License
+// File : glm/core/func_geometric.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_core_func_geometric
+#define glm_core_func_geometric
+
+namespace glm
+{
+ namespace core{
+ namespace function{
+ namespace geometric{ //!< Define all geometric functions from Section 8.4 of GLSL 1.30.8 specification. Included in glm namespace.
+
+ /// \addtogroup core_funcs
+ ///@{
+
+ //! Returns the length of x, i.e., sqrt(x * x).
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/length.xml">GLSL length man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ typename genType::value_type length(
+ genType const & x);
+
+ //! Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/distance.xml">GLSL distance man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ typename genType::value_type distance(
+ genType const & p0,
+ genType const & p1);
+
+ //! Returns the dot product of x and y, i.e., result = x * y.
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/dot.xml">GLSL dot man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ typename genType::value_type dot(
+ genType const & x,
+ genType const & y);
+
+ //! Returns the cross product of x and y.
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/cross.xml">GLSL cross man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename T>
+ detail::tvec3<T> cross(
+ detail::tvec3<T> const & x,
+ detail::tvec3<T> const & y);
+
+ //! Returns a vector in the same direction as x but with length of 1.
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/normalize.xml">GLSL normalize man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ genType normalize(
+ genType const & x);
+
+ //! If dot(Nref, I) < 0.0, return N, otherwise, return -N.
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/faceforward.xml">GLSL faceforward man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ genType faceforward(
+ genType const & N,
+ genType const & I,
+ genType const & Nref);
+
+ //! For the incident vector I and surface orientation N,
+ //! returns the reflection direction : result = I - 2.0 * dot(N, I) * N.
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/reflect.xml">GLSL reflect man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ genType reflect(
+ genType const & I,
+ genType const & N);
+
+ //! For the incident vector I and surface normal N,
+ //! and the ratio of indices of refraction eta,
+ //! return the refraction vector.
+ //!
+ //! \li <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/refract.xml">GLSL refract man page</a>
+ //! \li GLSL 1.30.08 specification, section 8.4
+ template <typename genType>
+ genType refract(
+ genType const & I,
+ genType const & N,
+ typename genType::value_type const & eta);
+
+ ///@}
+
+ }//namespace geometric
+ }//namespace function
+ }//namespace core
+
+ using namespace core::function::geometric;
+}//namespace glm
+
+#include "func_geometric.inl"
+
+#endif//glm_core_func_geometric
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