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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>PV_Sin</title>
<category>Particles</category>
<version>5.4.2 OC</version>
<syntax>
<rtype>array</rtype>
<params>
<param>
<type>int</type>
<name>value</name>
<desc>Value or value provider to calculate the sine of. The result of <funclink>PV_Linear</funclink> can be used to evaluate the sine function linearly over time.</desc>
</param>
<param>
<type>int</type>
<name>amplitude</name>
<desc>Amplitude of result. May be a value or value provider.</desc>
</param>
<param>
<type>int</type>
<name>offset</name>
<desc>Offset added to result. May be a value or value provider. Defaults to zero.</desc>
<optional />
</param>
</params>
</syntax>
<desc>The value will is calculates as sin(value) * amplitude + offset with value given in degrees.</desc>
<remark>See the <emlink href="particle/index.html">particle documentation</emlink> for further explanations of the particle system.</remark>
<remark>See <funclink>PV_Random</funclink> for another example with PV_Sin.</remark>
<examples>
<example>
<code><funclink>CreateParticle</funclink>("MagicRing", 0, 0, 0, 0, 100, {R=0xff,G=0x00,B=0x30, Size = PV_Sin(<funclink>PV_Linear</funclink>(0,180),10,0)}, 1);</code>
<text>Creates a particle which increases size from 0 to 10 and back to 0 during 100 frames.</text>
</example>
</examples>
<related>
<funclink>CreateParticle</funclink>
<funclink>PV_Cos</funclink>
<funclink>PV_Direction</funclink>
<funclink>PV_Random</funclink>
<funclink>PV_Step</funclink>
<funclink>PV_Linear</funclink>
<funclink>PV_Speed</funclink>
<funclink>PV_KeyFrames</funclink>
<funclink>PC_Die</funclink>
<funclink>PC_Bounce</funclink>
</related>
</func>
<author>Sven2</author><date>2014-06</date>
</funcs>
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