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1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> | |
3 | <!-- saved from url=(0013)about:internet --> | |
4 | <?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>cross - OpenGL Shading Language (GLSL)</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="cross"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>cross — calculate the cross product of two vectors</p></div><div class="refsynopsisdiv"><h2>Declaration</h2><div class="funcsynopsis"><p><code class="funcdef">vec3 <b class="fsfunc">cross</b>(</code>vec3 <var class="pdparam">x</var>, vec3 <var class="pdparam">y</var><code>)</code>;</p><p><code class="funcdef">dvec3 <b class="fsfunc">cross</b>(</code>dvec3 <var class="pdparam">x</var>, dvec3 <var class="pdparam">y</var><code>)</code>;</p></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>x</code></em></span></dt><dd><p> | |
5 | Specifies the first of two vectors | |
6 | </p></dd><dt><span class="term"><em class="parameter"><code>y</code></em></span></dt><dd><p> | |
7 | Specifies the second of two vectors | |
8 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
9 | <code class="function">cross</code> returns the cross product of two vectors, <em class="parameter"><code>x</code></em> and <em class="parameter"><code>y</code></em>. i.e., | |
10 | </p><p> | |
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24 | <mml:mi>y</mml:mi> | |
25 | <mml:mo stretchy="false">[</mml:mo> | |
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27 | <mml:mo stretchy="false">]</mml:mo> | |
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30 | <mml:mo stretchy="false">[</mml:mo> | |
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32 | <mml:mo stretchy="false">]</mml:mo> | |
33 | </mml:csymbol> | |
34 | <mml:csymbol encoding="" definitionURL=""> | |
35 | <mml:mi>x</mml:mi> | |
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43 | <mml:mo stretchy="false">]</mml:mo> | |
44 | <mml:mo>−</mml:mo> | |
45 | <mml:mi>y</mml:mi> | |
46 | <mml:mo stretchy="false">[</mml:mo> | |
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48 | <mml:mo stretchy="false">]</mml:mo> | |
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51 | <mml:mo stretchy="false">[</mml:mo> | |
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55 | <mml:csymbol encoding="" definitionURL=""> | |
56 | <mml:mi>x</mml:mi> | |
57 | <mml:mo stretchy="false">[</mml:mo> | |
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59 | <mml:mo stretchy="false">]</mml:mo> | |
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64 | <mml:mo stretchy="false">]</mml:mo> | |
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69 | <mml:mo stretchy="false">]</mml:mo> | |
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78 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="versions"></a><h2>Version Support</h2><div class="informaltable"><table border="1"><colgroup><col align="left" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /></colgroup><thead><tr><th align="left"><span class="bold"><strong>Function</strong></span></th><th align="left"><span class="bold"><strong>Version 1.10</strong></span></th><th align="left"><span class="bold"><strong>Version 1.20</strong></span></th><th align="left"><span class="bold"><strong>Version 1.30</strong></span></th><th align="left"><span class="bold"><strong>Version 1.40</strong></span></th><th align="left"><span class="bold"><strong>Version 1.50</strong></span></th><th align="left"><span class="bold"><strong>Version 3.30</strong></span></th><th align="left"><span class="bold"><strong>Version 4.00</strong></span></th><th align="left"><span class="bold"><strong>Version 4.10</strong></span></th><th align="left"><span class="bold"><strong>Version 4.20</strong></span></th><th align="center"><span class="bold"><strong>Version 4.30</strong></span></th></tr><tr><th align="left">cross (vec3)</th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th></tr><tr><th align="left">cross (dvec3)</th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>-</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th></tr></thead></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
79 | <a href="dot.xml"><span class="citerefentry"><span class="refentrytitle">dot</span></span></a> | |
80 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
81 | Copyright <span class="trademark"></span>© 2011 Khronos Group. | |
82 | This material may be distributed subject to the terms and conditions set forth in | |
83 | the Open Publication License, v 1.0, 8 June 1999. | |
84 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
85 | </p></div></div></body></html> |