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	<title>Justin Alexander</title>
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	<link>http://tumain.wordpress.com</link>
	<description>The online journal of a games programmer</description>
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		<title>Justin Alexander</title>
		<link>http://tumain.wordpress.com</link>
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		<item>
		<title>JTA Designs</title>
		<link>http://tumain.wordpress.com/2010/10/12/jta-designs/</link>
		<comments>http://tumain.wordpress.com/2010/10/12/jta-designs/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 22:11:21 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Announcements]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=323</guid>
		<description><![CDATA[I&#8217;ve decided to revamp this blog a little, since it has had little attention from me for the past year. A couple of weeks back I redesigned my web portfolio JTA Designs; please check it out.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=323&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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			<media:title type="html">Justin</media:title>
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		<title>Gravity Runner</title>
		<link>http://tumain.wordpress.com/2010/10/12/gravity-runner/</link>
		<comments>http://tumain.wordpress.com/2010/10/12/gravity-runner/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 21:06:02 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Indie Development]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=305</guid>
		<description><![CDATA[It&#8217;s weird to see that I haven&#8217;t posted for over a year! It&#8217;s late news (that I should&#8217;ve posted earlier), but during my latter days in the studio of We Are Colin I created Gravity Runner with my close friend Dave Leverton. Your typical runner &#8211; with the addition of being able to switch gravity [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=305&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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			<media:title type="html">Justin</media:title>
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		<item>
		<title>Cavemen VS Aliens</title>
		<link>http://tumain.wordpress.com/2009/10/17/cavemen-vs-aliens/</link>
		<comments>http://tumain.wordpress.com/2009/10/17/cavemen-vs-aliens/#comments</comments>
		<pubDate>Sat, 17 Oct 2009 02:28:52 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Indie Development]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=295</guid>
		<description><![CDATA[I know that this blog has been due for a long post; but as you would imagine I have been very busy with many other things, including my new job which I started in June at a newly found independent game development team. We Are Colin specialises in XBLA titles and IPhone titles. Currently I [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=295&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Justin</media:title>
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		<title>W7: Walking over terrain</title>
		<link>http://tumain.wordpress.com/2009/03/15/w7-walking-over-terrain/</link>
		<comments>http://tumain.wordpress.com/2009/03/15/w7-walking-over-terrain/#comments</comments>
		<pubDate>Sun, 15 Mar 2009 16:25:45 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Interactive 3D Graphics]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=289</guid>
		<description><![CDATA[I finally fixed the issue I was having with getting the camera walking over the terrain. I &#8216;think&#8217; the error was that I wasn&#8217;t translating onto the x-z plane at the beginning of my GetHeight(float x, float x) function properly. I said &#8216;think&#8217; because I redid all of my functions that got the height of the [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=289&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Justin</media:title>
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			<media:title type="html">Walking on Terrain</media:title>
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		<title>W5: Floating Point Numbers</title>
		<link>http://tumain.wordpress.com/2009/03/09/w5-floating-point-numbers/</link>
		<comments>http://tumain.wordpress.com/2009/03/09/w5-floating-point-numbers/#comments</comments>
		<pubDate>Mon, 09 Mar 2009 19:44:59 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Console Development]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=286</guid>
		<description><![CDATA[There are different number types, such as natural numbers (positive numbers), integer (positive and negative), rational (1/2, 1/3, 1/4), irrational (sqrt(2), e, PI), real numbers and complex numbers. In my code I constantly use floats, without considering how it works. This week was spent making our own floating point calculator to add, multiply, subtract and [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=286&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Justin</media:title>
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		<item>
		<title>W5: De Blob</title>
		<link>http://tumain.wordpress.com/2009/03/09/w5-de-blob/</link>
		<comments>http://tumain.wordpress.com/2009/03/09/w5-de-blob/#comments</comments>
		<pubDate>Mon, 09 Mar 2009 18:37:47 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Interactive 3D Graphics]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=278</guid>
		<description><![CDATA[I successfully created user input with the camera. However, I have been having some troubles making the camera walk across the terrain. For some stange reason, my camera appears to go up invisible hills when moving around. I&#8217;m guessing that the camera&#8217;s position hasn&#8217;t been set to the terrain&#8217;s position, so when the camera is [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=278&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/28b0cec621170e8bd924e3a990f700fe?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Justin</media:title>
		</media:content>

		<media:content url="http://i84.photobucket.com/albums/k33/tumain/inter3d_05_01.png" medium="image">
			<media:title type="html">Walking on Terrain</media:title>
		</media:content>

		<media:content url="http://i84.photobucket.com/albums/k33/tumain/193038217_3e72e4470f.jpg" medium="image">
			<media:title type="html">De Blob</media:title>
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		<item>
		<title>W3: New Framework</title>
		<link>http://tumain.wordpress.com/2009/02/25/w3-new-framework/</link>
		<comments>http://tumain.wordpress.com/2009/02/25/w3-new-framework/#comments</comments>
		<pubDate>Wed, 25 Feb 2009 00:20:07 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Interactive 3D Graphics]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=253</guid>
		<description><![CDATA[This week I managed to implement a camera system; allow input with the mouse, keyboard and Xbox 360 controller and I managed to implement height-based lighting. However, to begin with I had to put everything I had into a new framework. To be precise I placed my code within Frank Luna&#8217;s framework (from his Introduction [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=253&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/28b0cec621170e8bd924e3a990f700fe?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Justin</media:title>
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		<media:content url="http://i84.photobucket.com/albums/k33/tumain/inter3d_03_01.png" medium="image">
			<media:title type="html">Height-based Lighting</media:title>
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		<title>W2: Terrain</title>
		<link>http://tumain.wordpress.com/2009/02/18/w2-terrain/</link>
		<comments>http://tumain.wordpress.com/2009/02/18/w2-terrain/#comments</comments>
		<pubDate>Wed, 18 Feb 2009 22:06:26 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Interactive 3D Graphics]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=248</guid>
		<description><![CDATA[For this week, I had to create terrain and implement different terrain types and lighting. Firstly I rendered a large grid on screen and then created a list of vectors to store the y value of the terrains height map at different positions. I loaded a RAW file (which are typically used to store height [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=248&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/28b0cec621170e8bd924e3a990f700fe?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Justin</media:title>
		</media:content>

		<media:content url="http://i84.photobucket.com/albums/k33/tumain/inter3d_02_01.png" medium="image">
			<media:title type="html">RAW file</media:title>
		</media:content>

		<media:content url="http://i84.photobucket.com/albums/k33/tumain/inter3d_02_02.png" medium="image">
			<media:title type="html">Fault Formation</media:title>
		</media:content>

		<media:content url="http://i84.photobucket.com/albums/k33/tumain/inter3d_02_03.png" medium="image">
			<media:title type="html">Midpoint Displacement</media:title>
		</media:content>

		<media:content url="http://i84.photobucket.com/albums/k33/tumain/inter3d_02_04.png" medium="image">
			<media:title type="html">Hardware-based lighting</media:title>
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		<item>
		<title>W2: MIDlets</title>
		<link>http://tumain.wordpress.com/2009/02/15/w2-midlets/</link>
		<comments>http://tumain.wordpress.com/2009/02/15/w2-midlets/#comments</comments>
		<pubDate>Sun, 15 Feb 2009 18:08:16 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Mobile Devices]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=240</guid>
		<description><![CDATA[I produced an insurance form which could be filled in by a user on the mobile phone as part of this week&#8217;s exercise. When the user entered their details and pressed Save it would show the details they entered. This was created using TextFields (textboxes), StringItems (labels), ChoiceGroups (checkboxes and radiobuttons), Commands and two different [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=240&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/28b0cec621170e8bd924e3a990f700fe?s=96&#38;d=identicon&#38;r=G" medium="image">
			<media:title type="html">Justin</media:title>
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		<media:content url="http://i84.photobucket.com/albums/k33/tumain/md_02_01.png" medium="image">
			<media:title type="html">Entering the details</media:title>
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		<media:content url="http://i84.photobucket.com/albums/k33/tumain/md_02_02.png" medium="image">
			<media:title type="html">Sent Details</media:title>
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		<item>
		<title>W1: DirectX Vertices, Shading and Lighting</title>
		<link>http://tumain.wordpress.com/2009/02/07/w1-directx/</link>
		<comments>http://tumain.wordpress.com/2009/02/07/w1-directx/#comments</comments>
		<pubDate>Sat, 07 Feb 2009 18:35:15 +0000</pubDate>
		<dc:creator>Justin</dc:creator>
				<category><![CDATA[Interactive 3D Graphics]]></category>

		<guid isPermaLink="false">http://tumain.wordpress.com/?p=228</guid>
		<description><![CDATA[This week has really been a starter into getting grips with DirectX. It amuses me how easy small tasks are to do; the same &#8220;small&#8221; tasks I found very tedious last semester within the Introduction to 3D Graphics module. It has taken me a little time to adjust to the way DirectX works; but I&#8217;m [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=tumain.wordpress.com&amp;blog=3914593&amp;post=228&amp;subd=tumain&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Justin</media:title>
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			<media:title type="html">Triangles</media:title>
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			<media:title type="html">Wireframe Cube</media:title>
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			<media:title type="html">Lighting on a cube</media:title>
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			<media:title type="html">Lighting</media:title>
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