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	<title>71² - The ramblings of two 30-something developers &#187; iPhone Game Programming</title>
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	<link>http://www.71squared.com</link>
	<description>iPhone Game Development - Web Development</description>
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		<title>Learning iPhone Game Programming &#8211; available on Safari Rough Cuts</title>
		<link>http://www.71squared.com/2010/03/learning-iphone-game-programming-available-on-safari-rough-cuts/</link>
		<comments>http://www.71squared.com/2010/03/learning-iphone-game-programming-available-on-safari-rough-cuts/#comments</comments>
		<pubDate>Tue, 09 Mar 2010 17:20:10 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Objective-C]]></category>
		<category><![CDATA[book]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>
		<category><![CDATA[Cuts]]></category>
		<category><![CDATA[Game]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[Learning]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[Rough]]></category>
		<category><![CDATA[safari]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1208</guid>
		<description><![CDATA[I&#8217;m really pleased to announce that my book &#8220;Learning iPhone Game Programming: A Hands-On Guide To Building Your First iPhone Game&#8221; is now available in Safari Rough Cuts.

The final book will also include video tutorials for many of the chapters in the same style as those on the blog.  These are not available yet [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/03/learning-iphone-game-programming-available-on-safari-rough-cuts/feed/</wfw:commentRss>
		<slash:comments>35</slash:comments>
		</item>
		<item>
		<title>Collision Detection Methods</title>
		<link>http://www.71squared.com/2010/03/collision-detection-methods/</link>
		<comments>http://www.71squared.com/2010/03/collision-detection-methods/#comments</comments>
		<pubDate>Fri, 05 Mar 2010 12:51:28 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Objective-C]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1197</guid>
		<description><![CDATA[I&#8217;ve had a few queries about collision detection recently so I decided to share some code I&#8217;ve used to detect collisions between two circles as well as rectangles vs circles.
I will be doing a tutorial on this as soon as possible, but for the moment this code could be useful.
In SLQ I am using AABB [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/03/collision-detection-methods/feed/</wfw:commentRss>
		<slash:comments>11</slash:comments>
		</item>
		<item>
		<title>If you write it they will come!!</title>
		<link>http://www.71squared.com/2010/03/if-you-write-it-they-will-come/</link>
		<comments>http://www.71squared.com/2010/03/if-you-write-it-they-will-come/#comments</comments>
		<pubDate>Mon, 01 Mar 2010 17:40:51 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[book]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1191</guid>
		<description><![CDATA[&#8230;by they I mean of course the edits to the book.  It&#8217;s in technical review now and the edits from the reviewers are starting to come through.  This is really exciting as I&#8217;m starting to see what people think about the book.  So far the feedback has been really positive.
I&#8217;m due to [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/03/if-you-write-it-they-will-come/feed/</wfw:commentRss>
		<slash:comments>17</slash:comments>
		</item>
		<item>
		<title>SLQ Video Update</title>
		<link>http://www.71squared.com/2010/02/slq-video-update/</link>
		<comments>http://www.71squared.com/2010/02/slq-video-update/#comments</comments>
		<pubDate>Tue, 16 Feb 2010 13:17:13 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Game Design]]></category>
		<category><![CDATA[General]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>
		<category><![CDATA[Game]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[sir lamorak's quest]]></category>
		<category><![CDATA[update]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1182</guid>
		<description><![CDATA[I&#8217;ve created a new video of SLQ to show progress.  The game is almost complete now so I wanted to show everyone how it was looking.  There are a couple of small areas to still fix.  I&#8217;m still tweaking some sound effects for example and also working on the final map.
So, I [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/02/slq-video-update/feed/</wfw:commentRss>
		<slash:comments>14</slash:comments>
		</item>
		<item>
		<title>Bitmap Font Update</title>
		<link>http://www.71squared.com/2010/02/bitmap-font-update/</link>
		<comments>http://www.71squared.com/2010/02/bitmap-font-update/#comments</comments>
		<pubDate>Fri, 05 Feb 2010 12:44:26 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Objective-C]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>
		<category><![CDATA[bitmap]]></category>
		<category><![CDATA[font]]></category>
		<category><![CDATA[Game]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1166</guid>
		<description><![CDATA[I&#8217;ve been meaning to update the bitmap font code for a while.  I made a number of changes to this code for the book as I found problems with the rendering of characters for some fonts.  This was done to bugs in my code that positioned each character rendered.  I fixed these [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/02/bitmap-font-update/feed/</wfw:commentRss>
		<slash:comments>25</slash:comments>
		</item>
		<item>
		<title>Recent readers games</title>
		<link>http://www.71squared.com/2010/02/recent-readers-games/</link>
		<comments>http://www.71squared.com/2010/02/recent-readers-games/#comments</comments>
		<pubDate>Fri, 05 Feb 2010 12:40:36 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Game Design]]></category>
		<category><![CDATA[Readers Games]]></category>
		<category><![CDATA[iPhone Applications]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1164</guid>
		<description><![CDATA[Apologies to those who have sent me information on their games which they have released based on some part on the tutorials.  I am behind on getting these mentioned on the blog, but this post should fix that.
I continue to get updates from blog readers who are pushing on and getting their own games [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/02/recent-readers-games/feed/</wfw:commentRss>
		<slash:comments>12</slash:comments>
		</item>
		<item>
		<title>Latest Sound Manager Class</title>
		<link>http://www.71squared.com/2010/01/latest-sound-manager-class/</link>
		<comments>http://www.71squared.com/2010/01/latest-sound-manager-class/#comments</comments>
		<pubDate>Fri, 29 Jan 2010 14:38:29 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Objective-C]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1141</guid>
		<description><![CDATA[I&#8217;ve finally managed to upload the latest version of the SoundManager class.  This is the same version I am using in Sir Lamorak&#8217;s Quest.  There are a few changes from the class in the tutorials.  I&#8217;ve added some new methods

- (void)playNextTrack;
- (void)addToPlaylistNamed:(NSString*)aPlaylistName track:(NSString*)aTrackName;
- (void)startPlaylistNamed:(NSString*)aPlaylistName;
- (void)removeFromPlaylistNamed:(NSString*)aPlaylistName track:(NSString*)aTrackName;
- (void)removePlaylistNamed:(NSString*)aPlaylistName;
- (void)clearPlaylistNamed:(NSString*)aPlaylistName;
- (void)fadeMusicVolumeFrom:(float)aFromVolume toVolume:(float)aToVolume duration:(float)aSeconds stop:(BOOL)aStop;


Also [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/01/latest-sound-manager-class/feed/</wfw:commentRss>
		<slash:comments>70</slash:comments>
		</item>
		<item>
		<title>Sound Manager Update</title>
		<link>http://www.71squared.com/2010/01/sound-manager-update/</link>
		<comments>http://www.71squared.com/2010/01/sound-manager-update/#comments</comments>
		<pubDate>Sat, 23 Jan 2010 14:56:37 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Objective-C]]></category>
		<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>
		<category><![CDATA[Game]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[music]]></category>
		<category><![CDATA[openal]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[sound manager]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1139</guid>
		<description><![CDATA[Hi all
By the end of this weekend I will post a new version of the Sound Manager.  I&#8217;ve been introducing music into SLQ and found that there were some features missing from the SoundManager class that would be handy such as named play lists, fading music etc.
I&#8217;ve added these features now as well as [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/01/sound-manager-update/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>New Sound Manager Version</title>
		<link>http://www.71squared.com/2010/01/new-sound-manager-version/</link>
		<comments>http://www.71squared.com/2010/01/new-sound-manager-version/#comments</comments>
		<pubDate>Sun, 10 Jan 2010 15:42:02 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[iPhone Development]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1124</guid>
		<description><![CDATA[If you have followed the tutorials you will know that tutorial 9 covered the sound manager classes.  Since the tutorial I&#8217;ve been making updates to those classes so that they correctly handle sound interruptions, such as alarms or phone calls.  There are also a number of other bug fixes that I&#8217;ve added as [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/01/new-sound-manager-version/feed/</wfw:commentRss>
		<slash:comments>27</slash:comments>
		</item>
		<item>
		<title>Project 72</title>
		<link>http://www.71squared.com/2010/01/project-72/</link>
		<comments>http://www.71squared.com/2010/01/project-72/#comments</comments>
		<pubDate>Thu, 07 Jan 2010 09:22:02 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[General]]></category>
		<category><![CDATA[iPhone Game Programming]]></category>
		<category><![CDATA[Game]]></category>
		<category><![CDATA[hype]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[marketing]]></category>
		<category><![CDATA[programming]]></category>

		<guid isPermaLink="false">http://www.71squared.com/?p=1112</guid>
		<description><![CDATA[I came across a site yesterday which is documenting in real time a team of four guys who writing an iPhone game in 71 hours, hence the name of the project.
They all seem to have experience already and hence thought they could create the entire game in 7 days, with the actual game coding being [...]]]></description>
		<wfw:commentRss>http://www.71squared.com/2010/01/project-72/feed/</wfw:commentRss>
		<slash:comments>17</slash:comments>
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