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> <channel><title>Comments on: Make things less static, add some movement with Perlin Noise</title> <atom:link href="http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/feed/" rel="self" type="application/rss+xml" /><link>http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/</link> <description>Just a collection of random works - Mark Knol</description> <lastBuildDate>Tue, 07 Sep 2010 13:58:01 +0000</lastBuildDate> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.0.1</generator> <item><title>By: Read This Link &#187; Make things less static, add some movement with Perlin Noise</title><link>http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/#comment-12733</link> <dc:creator>Read This Link &#187; Make things less static, add some movement with Perlin Noise</dc:creator> <pubDate>Sun, 10 Jan 2010 01:51:37 +0000</pubDate> <guid isPermaLink="false">http://blog.stroep.nl/?p=204#comment-12733</guid> <description>[...] Make things less static, add some movement with Perlin Noise [...]</description> <content:encoded><![CDATA[<p>[...] Make things less static, add some movement with Perlin Noise [...]</p> ]]></content:encoded> </item> <item><title>By: Perlin noise - more experiments &#124; Stroep</title><link>http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/#comment-361</link> <dc:creator>Perlin noise - more experiments &#124; Stroep</dc:creator> <pubDate>Sat, 08 Nov 2008 02:24:15 +0000</pubDate> <guid isPermaLink="false">http://blog.stroep.nl/?p=204#comment-361</guid> <description>[...] writing this post of using perlin noise, I&#8217;ll did some more experiments making cool things. I draw lines using [...]</description> <content:encoded><![CDATA[<p>[...] writing this post of using perlin noise, I&#8217;ll did some more experiments making cool things. I draw lines using [...]</p> ]]></content:encoded> </item> <item><title>By: Mark Knol</title><link>http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/#comment-359</link> <dc:creator>Mark Knol</dc:creator> <pubDate>Fri, 07 Nov 2008 23:57:30 +0000</pubDate> <guid isPermaLink="false">http://blog.stroep.nl/?p=204#comment-359</guid> <description>@ricardo: This actually is the trick, I&#039;ll try to explain it to you. Imagine; a white color (rgb) in actionscript is (255*255*255 = )  16.581.375. Actionscript internaly uses this number for calculation.So if the perlin noise got a white color, the calculation would be:
36.000.000 / 16581375 = 2.17;But when we have a nice orange color (255*153*30 =) 1.170.450.
The calculation:
36.000.000 / 1.170.450 = 30,75;These numbers are nice factors to caculate with, isn&#039;t it? Yes, you could raise this number more or less to get other factors to count with. I&#039;ll did some trial/error and discovered 36.000.000 was a good number ;) Just do some trial/error, trace some calculations, or write it down.</description> <content:encoded><![CDATA[<p>@ricardo: This actually is the trick, I&#8217;ll try to explain it to you. Imagine; a white color (rgb) in actionscript is (255*255*255 = )  16.581.375. Actionscript internaly uses this number for calculation.</p><p>So if the perlin noise got a white color, the calculation would be:<br /> 36.000.000 / 16581375 = 2.17;</p><p>But when we have a nice orange color (255*153*30 =) 1.170.450.<br /> The calculation:<br /> 36.000.000 / 1.170.450 = 30,75;</p><p>These numbers are nice factors to caculate with, isn&#8217;t it? Yes, you could raise this number more or less to get other factors to count with. I&#8217;ll did some trial/error and discovered 36.000.000 was a good number <img src='http://blog.stroep.nl/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> Just do some trial/error, trace some calculations, or write it down.</p> ]]></content:encoded> </item> <item><title>By: localToGlobal &#187; Blog Archive &#187; news review -&#62; 45th week of 2008</title><link>http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/#comment-355</link> <dc:creator>localToGlobal &#187; Blog Archive &#187; news review -&#62; 45th week of 2008</dc:creator> <pubDate>Fri, 07 Nov 2008 16:14:31 +0000</pubDate> <guid isPermaLink="false">http://blog.stroep.nl/?p=204#comment-355</guid> <description>[...] &gt; Make things less static, add some movement with Perlin Noise &#124; Stroep [...]</description> <content:encoded><![CDATA[<p>[...] &gt; Make things less static, add some movement with Perlin Noise | Stroep [...]</p> ]]></content:encoded> </item> <item><title>By: ricardo</title><link>http://blog.stroep.nl/2008/11/make-things-less-static-add-some-movement-with-perlin-noise/#comment-354</link> <dc:creator>ricardo</dc:creator> <pubDate>Fri, 07 Nov 2008 15:40:10 +0000</pubDate> <guid isPermaLink="false">http://blog.stroep.nl/?p=204#comment-354</guid> <description>Thanks! good stuffCan you explain this line of code?var calculation:Number = (360000000/color);Thanks again</description> <content:encoded><![CDATA[<p>Thanks! good stuff</p><p>Can you explain this line of code?</p><p> var calculation:Number = (360000000/color);</p><p>Thanks again</p> ]]></content:encoded> </item> </channel> </rss>