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	<title>Comments on: 4. GLSL Lighting</title>
	<atom:link href="http://www.swiftless.com/tutorials/glsl/4_lighting.html/feed" rel="self" type="application/rss+xml" />
	<link>http://www.swiftless.com/tutorials/glsl/4_lighting.html</link>
	<description>Game Programming and Computer Graphics Tutorials</description>
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		<title>By: Khanser</title>
		<link>http://www.swiftless.com/tutorials/glsl/4_lighting.html/comment-page-1#comment-1968</link>
		<dc:creator>Khanser</dc:creator>
		<pubDate>Fri, 22 Jul 2011 10:41:22 +0000</pubDate>
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		<description>Hi,

The dot product shouldn&#039;t be between the vertex normal and the vector from vertex coords and light pos?

Isn&#039;t the light pos in the dot product doing the light relative to the origin position 0,0,0 ?</description>
		<content:encoded><![CDATA[<p>Hi,</p>
<p>The dot product shouldn&#8217;t be between the vertex normal and the vector from vertex coords and light pos?</p>
<p>Isn&#8217;t the light pos in the dot product doing the light relative to the origin position 0,0,0 ?</p>
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	<item>
		<title>By: Swiftless</title>
		<link>http://www.swiftless.com/tutorials/glsl/4_lighting.html/comment-page-1#comment-952</link>
		<dc:creator>Swiftless</dc:creator>
		<pubDate>Sun, 05 Sep 2010 03:25:17 +0000</pubDate>
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		<description>Hey,

Could you give an example of what you had to change? I haven&#039;t had any other reported problems?

Cheers,
Swiftless</description>
		<content:encoded><![CDATA[<p>Hey,</p>
<p>Could you give an example of what you had to change? I haven&#8217;t had any other reported problems?</p>
<p>Cheers,<br />
Swiftless</p>
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		<title>By: Jimmio</title>
		<link>http://www.swiftless.com/tutorials/glsl/4_lighting.html/comment-page-1#comment-950</link>
		<dc:creator>Jimmio</dc:creator>
		<pubDate>Fri, 03 Sep 2010 09:07:12 +0000</pubDate>
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		<description>This didn&#039;t work for me. I ended up having to mix some of your code with most of http://nehe.gamedev.net/data/articles/article.asp?article=21</description>
		<content:encoded><![CDATA[<p>This didn&#8217;t work for me. I ended up having to mix some of your code with most of <a href="http://nehe.gamedev.net/data/articles/article.asp?article=21"  rel="nofollow">http://nehe.gamedev.net/data/articles/article.asp?article=21</a></p>
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