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1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> |
2 | <!-- saved from url=(0013)about:internet --> | |
3 | <?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" /><title>glTranslate</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glTranslate"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glTranslate — multiply the current matrix by a translation matrix</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glTranslated</b>(</code></td><td>GLdouble </td><td><var class="pdparam">x</var>, </td></tr><tr><td> </td><td>GLdouble </td><td><var class="pdparam">y</var>, </td></tr><tr><td> </td><td>GLdouble </td><td><var class="pdparam">z</var><code>)</code>;</td></tr></table></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glTranslatef</b>(</code></td><td>GLfloat </td><td><var class="pdparam">x</var>, </td></tr><tr><td> </td><td>GLfloat </td><td><var class="pdparam">y</var>, </td></tr><tr><td> </td><td>GLfloat </td><td><var class="pdparam">z</var><code>)</code>;</td></tr></table></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><span class="term"><em class="parameter"><code>y</code></em>, </span><span class="term"><em class="parameter"><code>z</code></em></span></dt><dd><p> | |
4 | Specify the <span class="emphasis"><em>x</em></span>, <span class="emphasis"><em>y</em></span>, and <span class="emphasis"><em>z</em></span> coordinates of a translation vector. | |
5 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
6 | <code class="function">glTranslate</code> produces a translation by | |
7 | <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> | |
8 | ||
9 | <mml:mfenced open="(" close=")"> | |
10 | <mml:mi mathvariant="italic">x</mml:mi> | |
11 | <mml:mi mathvariant="italic">y</mml:mi> | |
12 | <mml:mi mathvariant="italic">z</mml:mi> | |
13 | </mml:mfenced> | |
14 | </mml:math>. | |
15 | The current matrix | |
16 | (see | |
17 | <a class="citerefentry" href="glMatrixMode.xml"><span class="citerefentry"><span class="refentrytitle">glMatrixMode</span></span></a>) | |
18 | is multiplied by this translation matrix, | |
19 | with the product replacing the current matrix, as if | |
20 | <a class="citerefentry" href="glMultMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glMultMatrix</span></span></a> were called with the following matrix | |
21 | for its argument: | |
22 | </p><p> | |
23 | </p><div class="informalequation"><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> | |
24 | ||
25 | <mml:mfenced open="(" close=")"> | |
26 | <mml:mtable> | |
27 | <mml:mtr> | |
28 | <mml:mtd> | |
29 | <mml:mn>1</mml:mn> | |
30 | </mml:mtd> | |
31 | <mml:mtd> | |
32 | <mml:mn>0</mml:mn> | |
33 | </mml:mtd> | |
34 | <mml:mtd> | |
35 | <mml:mn>0</mml:mn> | |
36 | </mml:mtd> | |
37 | <mml:mtd> | |
38 | <mml:mi mathvariant="italic">x</mml:mi> | |
39 | </mml:mtd> | |
40 | </mml:mtr> | |
41 | <mml:mtr> | |
42 | <mml:mtd> | |
43 | <mml:mn>0</mml:mn> | |
44 | </mml:mtd> | |
45 | <mml:mtd> | |
46 | <mml:mn>1</mml:mn> | |
47 | </mml:mtd> | |
48 | <mml:mtd> | |
49 | <mml:mn>0</mml:mn> | |
50 | </mml:mtd> | |
51 | <mml:mtd> | |
52 | <mml:mi mathvariant="italic">y</mml:mi> | |
53 | </mml:mtd> | |
54 | </mml:mtr> | |
55 | <mml:mtr> | |
56 | <mml:mtd> | |
57 | <mml:mn>0</mml:mn> | |
58 | </mml:mtd> | |
59 | <mml:mtd> | |
60 | <mml:mn>0</mml:mn> | |
61 | </mml:mtd> | |
62 | <mml:mtd> | |
63 | <mml:mn>1</mml:mn> | |
64 | </mml:mtd> | |
65 | <mml:mtd> | |
66 | <mml:mi mathvariant="italic">z</mml:mi> | |
67 | </mml:mtd> | |
68 | </mml:mtr> | |
69 | <mml:mtr> | |
70 | <mml:mtd> | |
71 | <mml:mn>0</mml:mn> | |
72 | </mml:mtd> | |
73 | <mml:mtd> | |
74 | <mml:mn>0</mml:mn> | |
75 | </mml:mtd> | |
76 | <mml:mtd> | |
77 | <mml:mn>0</mml:mn> | |
78 | </mml:mtd> | |
79 | <mml:mtd> | |
80 | <mml:mn>1</mml:mn> | |
81 | </mml:mtd> | |
82 | </mml:mtr> | |
83 | </mml:mtable> | |
84 | </mml:mfenced> | |
85 | </mml:math></div><p> | |
86 | </p><p> | |
87 | </p><p> | |
88 | If the matrix mode is either <code class="constant">GL_MODELVIEW</code> or <code class="constant">GL_PROJECTION</code>, | |
89 | all objects drawn after a call to <code class="function">glTranslate</code> are translated. | |
90 | </p><p> | |
91 | Use <a class="citerefentry" href="glPushMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glPushMatrix</span></span></a> and | |
92 | <a class="citerefentry" href="glPopMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glPopMatrix</span></span></a> to save and restore | |
93 | the untranslated coordinate system. | |
94 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p> | |
95 | <code class="constant">GL_INVALID_OPERATION</code> is generated if <code class="function">glTranslate</code> | |
96 | is executed between the execution of <a class="citerefentry" href="glBegin.xml"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a> | |
97 | and the corresponding execution of <a class="citerefentry" href="glEnd.xml"><span class="citerefentry"><span class="refentrytitle">glEnd</span></span></a>. | |
98 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p> | |
99 | <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MATRIX_MODE</code> | |
100 | </p><p> | |
101 | <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_COLOR_MATRIX</code> | |
102 | </p><p> | |
103 | <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MODELVIEW_MATRIX</code> | |
104 | </p><p> | |
105 | <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_PROJECTION_MATRIX</code> | |
106 | </p><p> | |
107 | <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_TEXTURE_MATRIX</code> | |
108 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
109 | <a class="citerefentry" href="glMatrixMode.xml"><span class="citerefentry"><span class="refentrytitle">glMatrixMode</span></span></a>, | |
110 | <a class="citerefentry" href="glMultMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glMultMatrix</span></span></a>, | |
111 | <a class="citerefentry" href="glPushMatrix.xml"><span class="citerefentry"><span class="refentrytitle">glPushMatrix</span></span></a>, | |
112 | <a class="citerefentry" href="glRotate.xml"><span class="citerefentry"><span class="refentrytitle">glRotate</span></span></a>, | |
113 | <a class="citerefentry" href="glScale.xml"><span class="citerefentry"><span class="refentrytitle">glScale</span></span></a> | |
114 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
115 | Copyright <span class="trademark"></span>© 1991-2006 | |
116 | Silicon Graphics, Inc. This document is licensed under the SGI | |
117 | Free Software B License. For details, see | |
118 | <a class="ulink" href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>. | |
119 | </p></div></div></body></html> |