<div class="blog">
<h1 id="NAME">
-Updates on Plan for v2.4
+Perl+SDL 3D Rendering
</h1>
<div class="CONTENT">
-<div style="text-align: right;"><i>A fierce storm came,<br />With a crash,<br />Old oaks went lame.</i></div><p>After some hunting for memory leaks, it became obvious that some rewrite of XS will be necessary. Since this will be a big undertaking I asked for some help from <a href="http://modernperlbooks.com/mt/index.html">chromatic</a> and <a href="http://onionstand.blogspot.com/">garu</a>. We came up with the following plan for v2.4.</p><br /><p>Currently all XS is mapped to the SDL_perl module. This does not reflect the modular nature of the sdl libs. So the plan is to gradually move SDL structs and their respective functions to their correct namespaces. We will start with SDL::Rect as garu has <a href="http://github.com/garu/SDL_perl/commit/68210590cb457b273ba0f1f891d378b876dc6cd7">added many tests</a> for it. This way the build system will be a lot easier to hack since Module::Build was made for one XS per module. Moreover we will move the Build utilities to Alien::SDL, making it even simpler. The main idea is to adhere to single responsibility principle and encapsulation. </p><br /><p>Obviously this will take some time and effort, but it will pay off in the long run. Any help will be greatly appreciated. <br /></p><i>--yapgh</i><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/3102167581424744259-5293501082670630307?l=yapgh.blogspot.com'/></div></div></div>
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+<i>Recently we have done a lot of work on the next release of SDL Perl. But it all pays off when I see users do cool things as one of the users has done below. Talon^++! This project is a great example for people wanting to learn 3D from scratch. </i><br />
+<br />
+<i>--yapgh</i><br />
+<br />
+<hr />This was a project to test how well Perl+SDL performs and does not use OpenGL at all. This is all perl and SDL, with the help of libsdl_gfx for SDL::GFX::Primitives. Texture mapping doesn't use SDL::GFX::Primitives because textured_polygon just takes a surface, tiles it, and clips out the polygon, which doesn't look 3D at all.<br />
+<br />
+Below are some screen shots of this little toy in action. If you'd like to try it yourself, you can download the entire project <a href="http://sdlperl.ath.cx/releases/texmap.tgz">here</a>. You can rotate the objects with the mouse, or keyboard arrows. Also press shift to toggle shading and space to switch objects.<br />
+<br />
+NOTE: the project is compressed in the .tgz format, if you are a windows user, you may need a tool like 7zip to extract the contents.<br />
+<br />
+<hr /><div>Standard Cube:<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/_NnqjAQEn1Xo/TFSAt5QUmgI/AAAAAAAAALQ/Yf9XBOYhA7w/s1600/cube.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/_NnqjAQEn1Xo/TFSAt5QUmgI/AAAAAAAAALQ/Yf9XBOYhA7w/s320/cube.png" /></a></div><br />
+</div><hr /><div>Standard Cube with Pseudo Shading:<br />
+<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/_NnqjAQEn1Xo/TFSAxNHzBEI/AAAAAAAAALY/TMc-Dwzvz7k/s1600/cubeshade.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/_NnqjAQEn1Xo/TFSAxNHzBEI/AAAAAAAAALY/TMc-Dwzvz7k/s320/cubeshade.png" /></a></div><br />
+</div><hr /><div>Standard Diamond:<br />
+<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://1.bp.blogspot.com/_NnqjAQEn1Xo/TFSA0YnNSYI/AAAAAAAAALg/Ym6OD5JVjrs/s1600/diamond.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/_NnqjAQEn1Xo/TFSA0YnNSYI/AAAAAAAAALg/Ym6OD5JVjrs/s320/diamond.png" /></a></div><br />
+</div><hr /><div>Standard Diamond with Pseudo Shading:<br />
+<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/_NnqjAQEn1Xo/TFSA39MwDSI/AAAAAAAAALo/WV5wzDtCyo8/s1600/diamondshade.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/_NnqjAQEn1Xo/TFSA39MwDSI/AAAAAAAAALo/WV5wzDtCyo8/s320/diamondshade.png" /></a></div><br />
+</div><hr /><div>Textured Cube:<br />
+<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/_NnqjAQEn1Xo/TFSA_RVjHtI/AAAAAAAAALw/nwEjFLv8XvE/s1600/texturedcube.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/_NnqjAQEn1Xo/TFSA_RVjHtI/AAAAAAAAALw/nwEjFLv8XvE/s320/texturedcube.png" /></a></div><br />
+</div><hr /><div>Perspectively Correct Textured Cube:<br />
+<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://1.bp.blogspot.com/_NnqjAQEn1Xo/TFSBCIUu4iI/AAAAAAAAAL4/_lgY1_mE4ow/s1600/texturedcorrectcube.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/_NnqjAQEn1Xo/TFSBCIUu4iI/AAAAAAAAAL4/_lgY1_mE4ow/s320/texturedcorrectcube.png" /></a></div><br />
+</div><hr /><div>Perspectively Correct Textured Cube with shading:<br />
+<br />
+<div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/_NnqjAQEn1Xo/TFSBEFUB9HI/AAAAAAAAAMA/uLPUugpgspg/s1600/texturedcubeshade.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/_NnqjAQEn1Xo/TFSBEFUB9HI/AAAAAAAAAMA/uLPUugpgspg/s320/texturedcubeshade.png" /></a></div><br />
+</div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/3102167581424744259-6534662499260158364?l=yapgh.blogspot.com' alt='' /></div>
+<p><a href="http://feedads.g.doubleclick.net/~a/9OeYlfWcu240PezvaIgNkaxLy_Q/0/da"><img src="http://feedads.g.doubleclick.net/~a/9OeYlfWcu240PezvaIgNkaxLy_Q/0/di" border="0" ismap="true"></img></a><br/>
+<a href="http://feedads.g.doubleclick.net/~a/9OeYlfWcu240PezvaIgNkaxLy_Q/1/da"><img src="http://feedads.g.doubleclick.net/~a/9OeYlfWcu240PezvaIgNkaxLy_Q/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/YetAnotherPerlGameHackeryapgh/~4/nBAuxy51chg" height="1" width="1"/></div></div>
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