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	<title>Comments on: XNA Framework GameEngine Development. (Part 12, Culling and Chase Camera)</title>
	<atom:link href="http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/feed/" rel="self" type="application/rss+xml" />
	<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/</link>
	<description>The few things I know, I like to share.</description>
	<lastBuildDate>Wed, 04 Nov 2009 15:43:45 +0000</lastBuildDate>
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		<item>
		<title>By: roecode</title>
		<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-512</link>
		<dc:creator>roecode</dc:creator>
		<pubDate>Mon, 23 Jun 2008 19:53:21 +0000</pubDate>
		<guid isPermaLink="false">http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-512</guid>
		<description>A few other people have tried.  One warning though, I often refactor code, that is why I decided to start posting code with the articles.

Actually, turns out most people do not want code as much as ideas.  I would highly suggest you take ideas from the code rather than trying to &quot;copy&quot; exactly what you see here.  

If you want a free game engine obviously the code is here to take.  If you want to learn to write game engines, take what you see here and improve on it in your own fashion.

My best guess is if you copied the code as is, you wont have a working engine.  If you have learned from the design patterns implemented here and improved on them in your own work, well yeah, I suppose you would have something that works at this point.

Finally, the biggest complaint I have heard thus far is that the engine is too slow to actually make anything work for a game.  As a result, I have taken a long time off of writing articles to improve on the basic design principals I chose to implement.

Hopefully, when the series returns it will be for the better.</description>
		<content:encoded><![CDATA[<p>A few other people have tried.  One warning though, I often refactor code, that is why I decided to start posting code with the articles.</p>
<p>Actually, turns out most people do not want code as much as ideas.  I would highly suggest you take ideas from the code rather than trying to &#8220;copy&#8221; exactly what you see here.  </p>
<p>If you want a free game engine obviously the code is here to take.  If you want to learn to write game engines, take what you see here and improve on it in your own fashion.</p>
<p>My best guess is if you copied the code as is, you wont have a working engine.  If you have learned from the design patterns implemented here and improved on them in your own work, well yeah, I suppose you would have something that works at this point.</p>
<p>Finally, the biggest complaint I have heard thus far is that the engine is too slow to actually make anything work for a game.  As a result, I have taken a long time off of writing articles to improve on the basic design principals I chose to implement.</p>
<p>Hopefully, when the series returns it will be for the better.</p>
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		<title>By: keith</title>
		<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-511</link>
		<dc:creator>keith</dc:creator>
		<pubDate>Mon, 23 Jun 2008 19:42:00 +0000</pubDate>
		<guid isPermaLink="false">http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-511</guid>
		<description>well, I&#039;ve been following along in the articles and recreating as I go.  The only download I saw was at like article 19, but I wanted to make sure I could at least get this much working before moving on.  The code in that download is different than what you&#039;ve been using so far.

Has anyone else tried copying the articles as-is up to this point and gotten anything to work?</description>
		<content:encoded><![CDATA[<p>well, I&#8217;ve been following along in the articles and recreating as I go.  The only download I saw was at like article 19, but I wanted to make sure I could at least get this much working before moving on.  The code in that download is different than what you&#8217;ve been using so far.</p>
<p>Has anyone else tried copying the articles as-is up to this point and gotten anything to work?</p>
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		<title>By: roecode</title>
		<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-510</link>
		<dc:creator>roecode</dc:creator>
		<pubDate>Mon, 23 Jun 2008 12:55:15 +0000</pubDate>
		<guid isPermaLink="false">http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-510</guid>
		<description>Honestly do not know, did you download the code from this article, or did you recreate the code yourself?  My best guess without seeing your code or the specific error you are getting is that you might be doing something wrong.</description>
		<content:encoded><![CDATA[<p>Honestly do not know, did you download the code from this article, or did you recreate the code yourself?  My best guess without seeing your code or the specific error you are getting is that you might be doing something wrong.</p>
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	<item>
		<title>By: keith</title>
		<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-509</link>
		<dc:creator>keith</dc:creator>
		<pubDate>Mon, 23 Jun 2008 05:33:01 +0000</pubDate>
		<guid isPermaLink="false">http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-509</guid>
		<description>I&#039;m not seeing anything being drawn in Gameplay Screen....I can hit &#039;Play Game&#039; then I see nothing but the lightblue screen.  So far I&#039;ve followed along with everything...

I also get an error the first time I run, and the first time I exit...something with the gradient texture?</description>
		<content:encoded><![CDATA[<p>I&#8217;m not seeing anything being drawn in Gameplay Screen&#8230;.I can hit &#8216;Play Game&#8217; then I see nothing but the lightblue screen.  So far I&#8217;ve followed along with everything&#8230;</p>
<p>I also get an error the first time I run, and the first time I exit&#8230;something with the gradient texture?</p>
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		<title>By: roecode</title>
		<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-286</link>
		<dc:creator>roecode</dc:creator>
		<pubDate>Fri, 22 Feb 2008 14:36:18 +0000</pubDate>
		<guid isPermaLink="false">http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-286</guid>
		<description>Absolutely, this engine is a build up process.  I go back and refactor almost on a daily basis.  It is excellent suggestions like this one that I am looking for to make the engine better.

I very much like your ideas and will begin implementing in the engine.  You are absolutely right, there is no reason whatsoever for each object to draw its own bounding box.  Some sort of instancing will be done.</description>
		<content:encoded><![CDATA[<p>Absolutely, this engine is a build up process.  I go back and refactor almost on a daily basis.  It is excellent suggestions like this one that I am looking for to make the engine better.</p>
<p>I very much like your ideas and will begin implementing in the engine.  You are absolutely right, there is no reason whatsoever for each object to draw its own bounding box.  Some sort of instancing will be done.</p>
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		<title>By: JeBuS</title>
		<link>http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-280</link>
		<dc:creator>JeBuS</dc:creator>
		<pubDate>Fri, 22 Feb 2008 00:07:03 +0000</pubDate>
		<guid isPermaLink="false">http://roecode.wordpress.com/2008/02/15/xna-framework-gameengine-development-part-12-culling-and-chase-camera/#comment-280</guid>
		<description>I notice that all of your objects draw their own BoundingBoxes.  Having many small Draw calls is worse than having a few large Draw calls, correct?  Wouldn&#039;t it be better to have some sort of LineManager class that Draws a large batch of boxes (made up of 12 lines) all at once?


And, taking that thought one step further, Drawing each of these objects&#039; models individually probably lowers performance.  Some sort of instancing mechanism would do well.  Any plans on including that in the engine?</description>
		<content:encoded><![CDATA[<p>I notice that all of your objects draw their own BoundingBoxes.  Having many small Draw calls is worse than having a few large Draw calls, correct?  Wouldn&#8217;t it be better to have some sort of LineManager class that Draws a large batch of boxes (made up of 12 lines) all at once?</p>
<p>And, taking that thought one step further, Drawing each of these objects&#8217; models individually probably lowers performance.  Some sort of instancing mechanism would do well.  Any plans on including that in the engine?</p>
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