mirror of
https://github.com/g-truc/glm.git
synced 2024-11-22 17:04:35 +00:00
424 lines
20 KiB
HTML
424 lines
20 KiB
HTML
<!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"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.14"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>0.9.9 API documenation: Geometric functions</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectlogo"><img alt="Logo" src="logo-mini.png"/></td>
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">0.9.9 API documenation
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.14 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="summary">
|
|
<a href="#func-members">Functions</a> </div>
|
|
<div class="headertitle">
|
|
<div class="title">Geometric functions<div class="ingroups"><a class="el" href="a00698.html">Core features</a></div></div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<table class="memberdecls">
|
|
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
|
|
Functions</h2></td></tr>
|
|
<tr class="memitem:gaeeec0794212fe84fc9d261de067c9587"><td class="memTemplParams" colspan="2">template<typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:gaeeec0794212fe84fc9d261de067c9587"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< 3, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#gaeeec0794212fe84fc9d261de067c9587">cross</a> (vec< 3, T, Q > const &x, vec< 3, T, Q > const &y)</td></tr>
|
|
<tr class="separator:gaeeec0794212fe84fc9d261de067c9587"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:gaa68de6c53e20dfb2dac2d20197562e3f"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:gaa68de6c53e20dfb2dac2d20197562e3f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#gaa68de6c53e20dfb2dac2d20197562e3f">distance</a> (vec< L, T, Q > const &p0, vec< L, T, Q > const &p1)</td></tr>
|
|
<tr class="separator:gaa68de6c53e20dfb2dac2d20197562e3f"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:gaad6c5d9d39bdc0bf43baf1b22e147a0a"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:gaad6c5d9d39bdc0bf43baf1b22e147a0a"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#gaad6c5d9d39bdc0bf43baf1b22e147a0a">dot</a> (vec< L, T, Q > const &x, vec< L, T, Q > const &y)</td></tr>
|
|
<tr class="separator:gaad6c5d9d39bdc0bf43baf1b22e147a0a"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:ga7aed0a36c738169402404a3a5d54e43b"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:ga7aed0a36c738169402404a3a5d54e43b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< L, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#ga7aed0a36c738169402404a3a5d54e43b">faceforward</a> (vec< L, T, Q > const &N, vec< L, T, Q > const &I, vec< L, T, Q > const &Nref)</td></tr>
|
|
<tr class="separator:ga7aed0a36c738169402404a3a5d54e43b"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:ga0cdabbb000834d994a1d6dc56f8f5263"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:ga0cdabbb000834d994a1d6dc56f8f5263"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#ga0cdabbb000834d994a1d6dc56f8f5263">length</a> (vec< L, T, Q > const &x)</td></tr>
|
|
<tr class="separator:ga0cdabbb000834d994a1d6dc56f8f5263"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:ga3b8d3dcae77870781392ed2902cce597"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:ga3b8d3dcae77870781392ed2902cce597"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< L, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#ga3b8d3dcae77870781392ed2902cce597">normalize</a> (vec< L, T, Q > const &x)</td></tr>
|
|
<tr class="separator:ga3b8d3dcae77870781392ed2902cce597"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:ga5631dd1d5618de5450b1ea3cf3e94905"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:ga5631dd1d5618de5450b1ea3cf3e94905"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< L, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#ga5631dd1d5618de5450b1ea3cf3e94905">reflect</a> (vec< L, T, Q > const &I, vec< L, T, Q > const &N)</td></tr>
|
|
<tr class="separator:ga5631dd1d5618de5450b1ea3cf3e94905"><td class="memSeparator" colspan="2"> </td></tr>
|
|
<tr class="memitem:ga01da3dff9e2ef6b9d4915c3047e22b74"><td class="memTemplParams" colspan="2">template<length_t L, typename T , qualifier Q> </td></tr>
|
|
<tr class="memitem:ga01da3dff9e2ef6b9d4915c3047e22b74"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec< L, T, Q > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00697.html#ga01da3dff9e2ef6b9d4915c3047e22b74">refract</a> (vec< L, T, Q > const &I, vec< L, T, Q > const &N, T eta)</td></tr>
|
|
<tr class="separator:ga01da3dff9e2ef6b9d4915c3047e22b74"><td class="memSeparator" colspan="2"> </td></tr>
|
|
</table>
|
|
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
|
<p>These operate on vectors as vectors, not component-wise. </p>
|
|
<p>Include <<a class="el" href="a00383.html" title="Core features ">glm/geometric.hpp</a>> to use these core features. </p>
|
|
<h2 class="groupheader">Function Documentation</h2>
|
|
<a id="gaeeec0794212fe84fc9d261de067c9587"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#gaeeec0794212fe84fc9d261de067c9587">◆ </a></span>cross()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL vec<3, T, Q> glm::cross </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< 3, T, Q > const & </td>
|
|
<td class="paramname"><em>x</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< 3, T, Q > const & </td>
|
|
<td class="paramname"><em>y</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<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">T</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>
|
|
<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 id="gaa68de6c53e20dfb2dac2d20197562e3f"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#gaa68de6c53e20dfb2dac2d20197562e3f">◆ </a></span>distance()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL T glm::distance </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>p0</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>p1</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<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">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/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>
|
|
|
|
</div>
|
|
</div>
|
|
<a id="gaad6c5d9d39bdc0bf43baf1b22e147a0a"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#gaad6c5d9d39bdc0bf43baf1b22e147a0a">◆ </a></span>dot()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL T glm::dot </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>x</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>y</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<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">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/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 id="ga7aed0a36c738169402404a3a5d54e43b"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ga7aed0a36c738169402404a3a5d54e43b">◆ </a></span>faceforward()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL vec<L, T, Q> glm::faceforward </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>N</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>I</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>Nref</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<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">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/faceforward.xml">GLSL faceforward 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 id="ga0cdabbb000834d994a1d6dc56f8f5263"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ga0cdabbb000834d994a1d6dc56f8f5263">◆ </a></span>length()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL T glm::length </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>x</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<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">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/length.xml">GLSL length 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 id="ga3b8d3dcae77870781392ed2902cce597"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ga3b8d3dcae77870781392ed2902cce597">◆ </a></span>normalize()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL vec<L, T, Q> glm::normalize </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>x</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<p>Returns a vector in the same direction as x but with length of 1. </p>
|
|
<p>According to issue 10 GLSL 1.10 specification, if length(x) == 0 then result is undefined and generate an error.</p>
|
|
<dl class="tparams"><dt>Template Parameters</dt><dd>
|
|
<table class="tparams">
|
|
<tr><td class="paramname">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/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>
|
|
|
|
</div>
|
|
</div>
|
|
<a id="ga5631dd1d5618de5450b1ea3cf3e94905"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ga5631dd1d5618de5450b1ea3cf3e94905">◆ </a></span>reflect()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL vec<L, T, Q> glm::reflect </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>I</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>N</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<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">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/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>
|
|
|
|
</div>
|
|
</div>
|
|
<a id="ga01da3dff9e2ef6b9d4915c3047e22b74"></a>
|
|
<h2 class="memtitle"><span class="permalink"><a href="#ga01da3dff9e2ef6b9d4915c3047e22b74">◆ </a></span>refract()</h2>
|
|
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">GLM_FUNC_DECL vec<L, T, Q> glm::refract </td>
|
|
<td>(</td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>I</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">vec< L, T, Q > const & </td>
|
|
<td class="paramname"><em>N</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">T </td>
|
|
<td class="paramname"><em>eta</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<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">L</td><td>An integer between 1 and 4 included that qualify the dimension of the vector. </td></tr>
|
|
<tr><td class="paramname">T</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/refract.xml">GLSL refract 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>
|
|
</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"/>
|
|
</a> 1.8.14
|
|
</small></address>
|
|
</body>
|
|
</html>
|