2012-09-05 22:30:34 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
2012-11-18 13:05:52 +00:00
< meta http-equiv = "X-UA-Compatible" content = "IE=9" / >
2013-12-25 22:48:55 +00:00
< meta name = "generator" content = "Doxygen 1.8.5" / >
< title > GLM: Geometric functions< / title >
2012-09-05 22:30:34 +00:00
< link href = "tabs.css" rel = "stylesheet" type = "text/css" / >
2012-11-18 13:05:52 +00:00
< script type = "text/javascript" src = "jquery.js" > < / script >
< script type = "text/javascript" src = "dynsections.js" > < / script >
2012-09-05 22:30:34 +00:00
< link href = "doxygen.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
2012-11-18 13:05:52 +00:00
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
2012-09-05 22:30:34 +00:00
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
2013-12-25 22:48:55 +00:00
< td style = "padding-left: 0.5em;" >
< div id = "projectname" > GLM
  < span id = "projectnumber" > 0.9.5< / span >
< / div >
< / td >
2012-09-05 22:30:34 +00:00
< / tr >
< / tbody >
< / table >
< / div >
2012-11-18 13:05:52 +00:00
<!-- end header part -->
2013-12-25 22:48:55 +00:00
<!-- Generated by Doxygen 1.8.5 -->
2012-09-05 22:30:34 +00:00
< div id = "navrow1" class = "tabs" >
< ul class = "tablist" >
< li > < a href = "index.html" > < span > Main  Page< / span > < / a > < / li >
< li > < a href = "pages.html" > < span > Related  Pages< / span > < / a > < / li >
< li > < a href = "modules.html" > < span > Modules< / span > < / a > < / li >
2013-12-25 22:48:55 +00:00
< li > < a href = "namespaces.html" > < span > Namespaces< / span > < / a > < / li >
2012-09-05 22:30:34 +00:00
< li > < a href = "files.html" > < span > Files< / span > < / a > < / li >
< / ul >
< / div >
2012-11-18 13:05:52 +00:00
< / div > <!-- top -->
2012-09-05 22:30:34 +00:00
< div class = "header" >
< div class = "summary" >
2013-12-25 22:48:55 +00:00
< a href = "#func-members" > Functions< / a > < / div >
2012-09-05 22:30:34 +00:00
< div class = "headertitle" >
2013-12-25 22:48:55 +00:00
< div class = "title" > Geometric functions< div class = "ingroups" > < a class = "el" href = "a00167.html" > GLM Core< / a > < / div > < / div > < / div >
< / div > <!-- header -->
2012-09-05 22:30:34 +00:00
< div class = "contents" >
< table class = "memberdecls" >
2013-12-25 22:48:55 +00:00
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr class = "memitem:ga89b91c2a256cfb62ecbc589d1ee36d3c" > < td class = "memTemplParams" colspan = "2" > template< typename T , precision P> < / td > < / tr >
< tr class = "memitem:ga89b91c2a256cfb62ecbc589d1ee36d3c" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL detail::tvec3< T, P >   < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga89b91c2a256cfb62ecbc589d1ee36d3c" > cross< / a > (detail::tvec3< T, P > const & x, detail::tvec3< T, P > const & y)< / td > < / tr >
< tr class = "separator:ga89b91c2a256cfb62ecbc589d1ee36d3c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga00716eae37e8ae2a76ca7799f9c75682" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
< tr class = "memitem:ga00716eae37e8ae2a76ca7799f9c75682" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL genType::value_type  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga00716eae37e8ae2a76ca7799f9c75682" > distance< / a > (genType const & p0, genType const & p1)< / td > < / tr >
< tr class = "separator:ga00716eae37e8ae2a76ca7799f9c75682" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga7dada304da2ba7dd3376ab4f178c3f6b" > < td class = "memTemplParams" colspan = "2" > template< typename T , precision P, template< typename, precision > class vecType> < / td > < / tr >
< tr class = "memitem:ga7dada304da2ba7dd3376ab4f178c3f6b" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga7dada304da2ba7dd3376ab4f178c3f6b" > dot< / a > (vecType< T, P > const & x, vecType< T, P > const & y)< / td > < / tr >
< tr class = "separator:ga7dada304da2ba7dd3376ab4f178c3f6b" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
2014-01-11 22:35:39 +00:00
< tr class = "memitem:gaef767c2b0678489cb9de7a534137a86d" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
< tr class = "memitem:gaef767c2b0678489cb9de7a534137a86d" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#gaef767c2b0678489cb9de7a534137a86d" > dot< / a > (genType const & x, genType const & y)< / td > < / tr >
< tr class = "separator:gaef767c2b0678489cb9de7a534137a86d" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
2013-12-25 22:48:55 +00:00
< tr class = "memitem:ga4bbb036ef9527ee9f67384233029ed9b" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
< tr class = "memitem:ga4bbb036ef9527ee9f67384233029ed9b" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga4bbb036ef9527ee9f67384233029ed9b" > faceforward< / a > (genType const & N, genType const & I, genType const & Nref)< / td > < / tr >
< tr class = "separator:ga4bbb036ef9527ee9f67384233029ed9b" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga03b2831439defb8922832b540b91b8a7" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
< tr class = "memitem:ga03b2831439defb8922832b540b91b8a7" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL genType::value_type  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga03b2831439defb8922832b540b91b8a7" > length< / a > (genType const & x)< / td > < / tr >
< tr class = "separator:ga03b2831439defb8922832b540b91b8a7" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga15aa87101457e41663b08a8dcc3357f8" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
< tr class = "memitem:ga15aa87101457e41663b08a8dcc3357f8" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga15aa87101457e41663b08a8dcc3357f8" > normalize< / a > (genType const & x)< / td > < / tr >
< tr class = "separator:ga15aa87101457e41663b08a8dcc3357f8" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:gab63646fc36b81cf69d3ce123a72f76f2" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
< tr class = "memitem:gab63646fc36b81cf69d3ce123a72f76f2" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#gab63646fc36b81cf69d3ce123a72f76f2" > reflect< / a > (genType const & I, genType const & N)< / td > < / tr >
< tr class = "separator:gab63646fc36b81cf69d3ce123a72f76f2" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga99d8ddb244b129892babaca9778206d0" > < td class = "memTemplParams" colspan = "2" > template< typename T , precision P, template< typename, precision > class vecType> < / td > < / tr >
< tr class = "memitem:ga99d8ddb244b129892babaca9778206d0" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_FUNC_DECL vecType< T, P >   < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00157.html#ga99d8ddb244b129892babaca9778206d0" > refract< / a > (vecType< T, P > const & I, vecType< T, P > const & N, T const & eta)< / td > < / tr >
< tr class = "separator:ga99d8ddb244b129892babaca9778206d0" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
2012-09-05 22:30:34 +00:00
< / table >
2012-11-18 13:05:52 +00:00
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
2013-12-25 22:48:55 +00:00
< p > These operate on vectors as vectors, not component-wise. < / p >
< h2 class = "groupheader" > Function Documentation< / h2 >
< a class = "anchor" id = "ga89b91c2a256cfb62ecbc589d1ee36d3c" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL detail::tvec3< T, P> glm::cross < / td >
< td > (< / td >
< td class = "paramtype" > detail::tvec3< T, P > const &   < / td >
< td class = "paramname" > < em > x< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
2012-09-05 22:30:34 +00:00
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > detail::tvec3< T, P > const &   < / td >
< td class = "paramname" > < em > y< / em >   < / td >
2012-09-05 22:30:34 +00:00
< / tr >
2012-11-18 13:05:52 +00:00
< tr >
2013-12-25 22:48:55 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > Returns the cross product of x and y. < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > valType< / td > < td > Floating-point scalar types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/cross.xml" > GLSL cross man page< / a > < / dd >
2012-11-18 13:05:52 +00:00
< dd >
2013-12-25 22:48:55 +00:00
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "ga00716eae37e8ae2a76ca7799f9c75682" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL genType::value_type glm::distance < / td >
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > p0< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > p1< / em >   < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > Returns the distance betwwen p0 and p1, i.e., length(p0 - p1). < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/distance.xml" > GLSL distance man page< / a > < / dd >
< dd >
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "ga7dada304da2ba7dd3376ab4f178c3f6b" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL T glm::dot < / td >
< td > (< / td >
< td class = "paramtype" > vecType< T, P > const &   < / td >
< td class = "paramname" > < em > x< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > vecType< T, P > const &   < / td >
< td class = "paramname" > < em > y< / em >   < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2014-01-11 22:35:39 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Returns the dot product of x and y, i.e., result = x * y. < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/dot.xml" > GLSL dot man page< / a > < / dd >
< dd >
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
< / div >
< / div >
< a class = "anchor" id = "gaef767c2b0678489cb9de7a534137a86d" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > GLM_FUNC_DECL genType glm::dot < / td >
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > y< / em >   < / td >
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > Returns the dot product of x and y, i.e., result = x * y. < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/dot.xml" > GLSL dot man page< / a > < / dd >
< dd >
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "ga4bbb036ef9527ee9f67384233029ed9b" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL genType glm::faceforward < / td >
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > N< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > I< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > Nref< / em >   < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > If dot(Nref, I) < 0.0, return N, otherwise, return -N. < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/faceforward.xml" > GLSL faceforward man page< / a > < / dd >
2012-11-18 13:05:52 +00:00
< dd >
2013-12-25 22:48:55 +00:00
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "ga03b2831439defb8922832b540b91b8a7" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL genType::value_type glm::length < / td >
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > Returns the length of x, i.e., sqrt(x * x). < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/length.xml" > GLSL length man page< / a > < / dd >
2012-11-18 13:05:52 +00:00
< dd >
2013-12-25 22:48:55 +00:00
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "ga15aa87101457e41663b08a8dcc3357f8" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL genType glm::normalize < / td >
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > Returns a vector in the same direction as x but with length of 1. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/normalize.xml" > GLSL normalize man page< / a > < / dd >
< dd >
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "gab63646fc36b81cf69d3ce123a72f76f2" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL genType glm::reflect < / td >
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > I< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > N< / em >   < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > For the incident vector I and surface orientation N, returns the reflection direction : result = I - 2.0 * dot(N, I) * N. < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/reflect.xml" > GLSL reflect man page< / a > < / dd >
< dd >
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
2013-12-25 22:48:55 +00:00
< a class = "anchor" id = "ga99d8ddb244b129892babaca9778206d0" > < / a >
2012-11-18 13:05:52 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "memname" > GLM_FUNC_DECL vecType< T, P> glm::refract < / td >
< td > (< / td >
< td class = "paramtype" > vecType< T, P > const &   < / td >
< td class = "paramname" > < em > I< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > vecType< T, P > const &   < / td >
< td class = "paramname" > < em > N< / em > , < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > T const &   < / td >
< td class = "paramname" > < em > eta< / em >   < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< tr >
2013-12-25 22:48:55 +00:00
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
2012-11-18 13:05:52 +00:00
< / tr >
< / table >
< / div > < div class = "memdoc" >
2013-12-25 22:48:55 +00:00
< p > For the incident vector I and surface normal N, and the ratio of indices of refraction eta, return the refraction vector. < / p >
< dl class = "tparams" > < dt > Template Parameters< / dt > < dd >
< table class = "tparams" >
< tr > < td class = "paramname" > genType< / td > < td > Floating-point vector types.< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a href = "http://www.opengl.org/sdk/docs/manglsl/xhtml/refract.xml" > GLSL refract man page< / a > < / dd >
2012-11-18 13:05:52 +00:00
< dd >
2013-12-25 22:48:55 +00:00
< a href = "http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf" > GLSL 4.20.8 specification, section 8.5 Geometric Functions< / a > < / dd > < / dl >
2012-11-18 13:05:52 +00:00
< / div >
< / div >
< / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
Generated by   < a href = "http://www.doxygen.org/index.html" >
< img class = "footer" src = "doxygen.png" alt = "doxygen" / >
2013-12-25 22:48:55 +00:00
< / a > 1.8.5
2012-11-18 13:05:52 +00:00
< / small > < / address >
2012-09-05 22:30:34 +00:00
< / body >
< / html >
