1<?xml version="1.0" encoding="UTF-8" standalone="yes"?> 2<!DOCTYPE funcs 3 SYSTEM '../../../clonk.dtd'> 4<?xml-stylesheet type="text/xsl" href="../../../clonk.xsl"?> 5<funcs> 6 <func> 7 <title>ArcCos</title> 8 <category>Arithmetics</category> 9 <version>5.1 OC</version> 10 <syntax> 11 <rtype>int</rtype> 12 <params> 13 <param> 14 <type>int</type> 15 <name>value</name> 16 <desc>Length of the adjacent leg</desc> 17 </param> 18 <param> 19 <type>int</type> 20 <name>radius</name> 21 <desc>Length of hypotenuse</desc> 22 </param> 23 </params> 24 </syntax> 25 <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> 26 <related> 27 <funclink>Angle</funclink> 28 <funclink>ArcSin</funclink> 29 <funclink>Cos</funclink> 30 </related> 31 </func> 32 <author>Sven2</author><date>2001-11</date> 33</funcs> 34