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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!DOCTYPE funcs
SYSTEM '../../../clonk.dtd'>
<?xml-stylesheet type="text/xsl" href="../../../clonk.xsl"?>
<funcs>
<func>
<title>Trans_Rotate</title>
<category>Arithmetics</category>
<version>5.1 OC</version>
<syntax>
<rtype>array</rtype>
<params>
<param>
<type>int</type>
<name>angle</name>
<desc>Rotation angle. When looking into the same direction as the rotation axis then positive angles do anti-clockwise rotation and negative angles do clockwise rotation.</desc>
</param>
<param>
<type>int</type>
<name>rx</name>
<desc>X coordinate of the rotation axis.</desc>
</param>
<param>
<type>int</type>
<name>ry</name>
<desc>Y coordinate of the rotation axis.</desc>
</param>
<param>
<type>int</type>
<name>rz</name>
<desc>Z coordinate of the rotation axis.</desc>
</param>
</params>
</syntax>
<desc>Returns a 3x4 rotation matrix around the axis given by the vector (<code>rx</code>, <code>ry</code>, <code>rz</code>) by <code>angle</code> degrees. It can be used as a transformation for <funclink>AttachMesh</funclink> or for the "PictureTransformation" or "MeshTransformation" properties (see <emlink href="definition/meshes.html#Picture">Meshes</emlink>).</desc>
<examples>
<example>
<code><funclink>this</funclink>["PictureTransformation"] = <funclink>Trans_Rotate</funclink>(20, 0, 1, 0);</code>
<text>Rotates the picture graphics of the calling object by 20 degrees around the Y axis.</text>
</example>
</examples>
<related>
<funclink>Trans_Identity</funclink>
<funclink>Trans_Translate</funclink>
<funclink>Trans_Scale</funclink>
<funclink>Trans_Mul</funclink>
<funclink>AttachMesh</funclink>
<funclink>SetAttachTransform</funclink>
</related>
</func>
<author>Clonk-Karl</author><date>2010-04</date>
</funcs>
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