forked from Mirrors/openclonk
34 lines
1.1 KiB
XML
34 lines
1.1 KiB
XML
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<!DOCTYPE funcs
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SYSTEM '../../../clonk.dtd'>
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<?xml-stylesheet type="text/xsl" href="../../../clonk.xsl"?>
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<funcs>
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<func>
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<title>ArcCos</title>
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<category>Arithmetics</category>
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<version>1.0 OC</version>
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<syntax>
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<rtype>int</rtype>
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<params>
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<param>
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<type>int</type>
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<name>value</name>
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<desc>Length of the adjacent leg</desc>
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</param>
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<param>
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<type>int</type>
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<name>radius</name>
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<desc>Length of hypotenuse</desc>
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</param>
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</params>
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</syntax>
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<desc>Calculates arc cosine of value/radius, or x = arccos(value/radius). This corresponds to cos(x) = value/radius. This function is used to calculate an angle from horizontal and vertical offsets. However, in most cases <funclink>Angle</funclink>() does what you need.</desc>
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<related>
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<funclink>Angle</funclink>
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<funclink>ArcSin</funclink>
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<funclink>Cos</funclink>
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</related>
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</func>
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<author>Sven2</author><date>2001-11</date>
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</funcs>
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