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	<title>Comments on: Ruby, OpenGL and Pixels</title>
	<atom:link href="http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/</link>
	<description>A tri-annual 48 hour solo game development competition.</description>
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		<title>By: sfernald</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11235</link>
		<dc:creator>sfernald</dc:creator>
		<pubDate>Fri, 18 Dec 2009 16:53:51 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11235</guid>
		<description>Very cool. 

Yeah, that &quot;save game&quot; was intentional. I wanted to add them to the other screens about halfway through but didn&#039;t design them so I could.

But it was fun, only spent a few minutes a day, building a level at a time. Had only worked with Ruby a little bit a few years ago, but it was trivial to design my own levels with your framework.

Glad you could finish it. I wasn&#039;t sure if I had made it too hard for anyone to finish if you didn&#039;t know exactly what to do.</description>
		<content:encoded><![CDATA[<p>Very cool. </p>
<p>Yeah, that &#8220;save game&#8221; was intentional. I wanted to add them to the other screens about halfway through but didn&#8217;t design them so I could.</p>
<p>But it was fun, only spent a few minutes a day, building a level at a time. Had only worked with Ruby a little bit a few years ago, but it was trivial to design my own levels with your framework.</p>
<p>Glad you could finish it. I wasn&#8217;t sure if I had made it too hard for anyone to finish if you didn&#8217;t know exactly what to do.</p>
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		<title>By: ippa</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11231</link>
		<dc:creator>ippa</dc:creator>
		<pubDate>Fri, 18 Dec 2009 10:33:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11231</guid>
		<description>Blogpost + Windows EXE:

http://www.ludumdare.com/compo/2009/12/18/new-levels-to-my-pixely-ruby-entry/</description>
		<content:encoded><![CDATA[<p>Blogpost + Windows EXE:</p>
<p><a href="http://www.ludumdare.com/compo/2009/12/18/new-levels-to-my-pixely-ruby-entry/" rel="nofollow">http://www.ludumdare.com/compo/2009/12/18/new-levels-to-my-pixely-ruby-entry/</a></p>
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		<title>By: ippa</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11230</link>
		<dc:creator>ippa</dc:creator>
		<pubDate>Fri, 18 Dec 2009 09:50:51 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11230</guid>
		<description>I love it :D.. you&#039;ve made a better game then the original! Played through it, damn it was hard. 

I don&#039;t know if it was intentional but on the first screen there&#039;s a small cave in the ceiling that you can jump into to &quot;save&quot; your position, very smart use of the game engine. I missed something similar on the last screen, maybe after you got past the first acid-pond.

I also liked the text-in-the-terrain, which I think could be used extensively if I make a sequel too.

I&#039;ll make an exe and blog about it ASAP.</description>
		<content:encoded><![CDATA[<p>I love it <img src='http://www.ludumdare.com/compo/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' /> .. you&#8217;ve made a better game then the original! Played through it, damn it was hard. </p>
<p>I don&#8217;t know if it was intentional but on the first screen there&#8217;s a small cave in the ceiling that you can jump into to &#8220;save&#8221; your position, very smart use of the game engine. I missed something similar on the last screen, maybe after you got past the first acid-pond.</p>
<p>I also liked the text-in-the-terrain, which I think could be used extensively if I make a sequel too.</p>
<p>I&#8217;ll make an exe and blog about it ASAP.</p>
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		<title>By: sfernald</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11223</link>
		<dc:creator>sfernald</dc:creator>
		<pubDate>Thu, 17 Dec 2009 22:52:09 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11223</guid>
		<description>I finished my little sequel of sorts. Here it is:

http://www.bitjets.com/thelight2.zip

I have no idea how to make it an stand-alone exe so feel free to do so and post it. Perhaps others would like to try some new levels to this cool little game.

Thanks for working on this cool framework btw.</description>
		<content:encoded><![CDATA[<p>I finished my little sequel of sorts. Here it is:</p>
<p><a href="http://www.bitjets.com/thelight2.zip" rel="nofollow">http://www.bitjets.com/thelight2.zip</a></p>
<p>I have no idea how to make it an stand-alone exe so feel free to do so and post it. Perhaps others would like to try some new levels to this cool little game.</p>
<p>Thanks for working on this cool framework btw.</p>
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		<title>By: E l&#225; se foi a Ludum Dare 16&#8230; &#124; CrociDBlog</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11195</link>
		<dc:creator>E l&#225; se foi a Ludum Dare 16&#8230; &#124; CrociDBlog</dc:creator>
		<pubDate>Wed, 16 Dec 2009 11:16:29 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11195</guid>
		<description>[...] teve gente usando Ruby e Gosu. Esse carinha ainda tira uma com os programadores que não conhecem Ruby. Como não poderia faltar, também teve [...]</description>
		<content:encoded><![CDATA[<p>[...] teve gente usando Ruby e Gosu. Esse carinha ainda tira uma com os programadores que não conhecem Ruby. Como não poderia faltar, também teve [...]</p>
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	<item>
		<title>By: ippa</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11193</link>
		<dc:creator>ippa</dc:creator>
		<pubDate>Wed, 16 Dec 2009 10:22:59 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11193</guid>
		<description>I love the fact you&#039;re taking the time to make new levels, very cool! Please lemme know when you have something finished to show off =).

Your questions, You should use GameObject.factor = x  (you also have factor_x and factor_y) .. a factor of 1 is no scaling at all. 0.5 would make the object half size, and 2 would double it. The name &quot;factor&quot; comes from Gosu which Chingu builds on.

The bounding_box trait will adapt to any given factor, a tip:

has_trait :bounding_box,  :debug =&gt; true    # this will show the bounding box as a red rectangle

The effect-trait gives you GameObject.scale_rate = x  (amongst others).. which will modify factor Each update() by value x. The effect-trait isn&#039;t the most useful one as the methods it provides are pretty easy to just do yourself in GameObject.update ..

A note, I do factor = 3 for each object in the game, to get that retro-feeling.

Msg me on github.com/ippa or get on #gosu @ freenode IRC if you have more question!</description>
		<content:encoded><![CDATA[<p>I love the fact you&#8217;re taking the time to make new levels, very cool! Please lemme know when you have something finished to show off =).</p>
<p>Your questions, You should use GameObject.factor = x  (you also have factor_x and factor_y) .. a factor of 1 is no scaling at all. 0.5 would make the object half size, and 2 would double it. The name &#8220;factor&#8221; comes from Gosu which Chingu builds on.</p>
<p>The bounding_box trait will adapt to any given factor, a tip:</p>
<p>has_trait :bounding_box,  :debug =&gt; true    # this will show the bounding box as a red rectangle</p>
<p>The effect-trait gives you GameObject.scale_rate = x  (amongst others).. which will modify factor Each update() by value x. The effect-trait isn&#8217;t the most useful one as the methods it provides are pretty easy to just do yourself in GameObject.update ..</p>
<p>A note, I do factor = 3 for each object in the game, to get that retro-feeling.</p>
<p>Msg me on github.com/ippa or get on #gosu @ freenode IRC if you have more question!</p>
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	<item>
		<title>By: sfernald</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11183</link>
		<dc:creator>sfernald</dc:creator>
		<pubDate>Wed, 16 Dec 2009 00:41:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11183</guid>
		<description>Hey, I made a new level for your game. I has given me a chance to play around with Chingu. Must say it&#039;s pretty cool.

One issue I&#039;m having is I wanted to create a small acid pit in the center of the screen. What I noticed with the pit is that it is a giant image that you rotate cover one end of the screen.

What I wanted to do is have it cover a small area, so I wanted to shrink the image a little. I thought I could do so by adding an effect trait, which then provides the scale command. So then I add in :scale = .2 (or whatever) during the enemy creation line, but this doesn&#039;t work.

Do you happen to know what I&#039;m doing wrong or what would be the best way to scale an enemy?</description>
		<content:encoded><![CDATA[<p>Hey, I made a new level for your game. I has given me a chance to play around with Chingu. Must say it&#8217;s pretty cool.</p>
<p>One issue I&#8217;m having is I wanted to create a small acid pit in the center of the screen. What I noticed with the pit is that it is a giant image that you rotate cover one end of the screen.</p>
<p>What I wanted to do is have it cover a small area, so I wanted to shrink the image a little. I thought I could do so by adding an effect trait, which then provides the scale command. So then I add in :scale = .2 (or whatever) during the enemy creation line, but this doesn&#8217;t work.</p>
<p>Do you happen to know what I&#8217;m doing wrong or what would be the best way to scale an enemy?</p>
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	<item>
		<title>By: sfernald</title>
		<link>http://www.ludumdare.com/compo/2009/12/14/ruby-opengl-and-pixels/comment-page-1/#comment-11175</link>
		<dc:creator>sfernald</dc:creator>
		<pubDate>Tue, 15 Dec 2009 18:41:27 +0000</pubDate>
		<guid isPermaLink="false">http://www.ludumdare.com/compo/?p=14020#comment-11175</guid>
		<description>I liked this game so much I think I&#039;m going to try to make my own level. Since the level code is so clean, I expect this to be quite easy. We&#039;ll see.</description>
		<content:encoded><![CDATA[<p>I liked this game so much I think I&#8217;m going to try to make my own level. Since the level code is so clean, I expect this to be quite easy. We&#8217;ll see.</p>
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