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	<title>Turtle &#8211; Alan Richmond</title>
	<atom:link href="https://tuxar.uk/category/turtle/feed/" rel="self" type="application/rss+xml" />
	<link>https://tuxar.uk</link>
	<description>Scientific systems programmer (ex NASA, ESA/ESO, Hubble), web developer, online retailer (retired)</description>
	<lastBuildDate>Wed, 17 Jun 2015 12:54:13 +0000</lastBuildDate>
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	<title>Turtle &#8211; Alan Richmond</title>
	<link>https://tuxar.uk</link>
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		<title>Drawing Fractals with Lindenmayer Systems</title>
		<link>https://tuxar.uk/drawing-fractals-with-lindenmayer-systems/</link>
					<comments>https://tuxar.uk/drawing-fractals-with-lindenmayer-systems/#comments</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Wed, 17 Jun 2015 12:54:13 +0000</pubDate>
				<category><![CDATA[Fractals]]></category>
		<category><![CDATA[Intermediate]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[function]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[recursion]]></category>
		<category><![CDATA[simulation]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=418</guid>

					<description><![CDATA[Lindenmayer systems, or L-systems, provide a very powerful way to construct fractals. Lindenmayer used L-systems to describe the behaviour of... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/drawing-fractals-with-lindenmayer-systems/">read more<span class="gridview-sr-only"> Drawing Fractals with Lindenmayer Systems</span></a></span>]]></description>
		
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			<slash:comments>1</slash:comments>
		
		
			</item>
		<item>
		<title>A Fake Circle made of Straight Lines</title>
		<link>https://tuxar.uk/a-fake-circle-made-with-straight-lines/</link>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Mon, 15 Jun 2015 16:50:31 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[cos]]></category>
		<category><![CDATA[for]]></category>
		<category><![CDATA[import]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[pi]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[sin]]></category>
		<category><![CDATA[turtle]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=408</guid>

					<description><![CDATA[Inspired by this post on Reddit, I wrote this little script to do the same thing. The circle is an... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/a-fake-circle-made-with-straight-lines/">read more<span class="gridview-sr-only"> A Fake Circle made of Straight Lines</span></a></span>]]></description>
		
		
		
			</item>
		<item>
		<title>Tweetable Python Code Golf</title>
		<link>https://tuxar.uk/tweetable-python-code-golf/</link>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Tue, 09 Jun 2015 12:34:10 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Fractals]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[golf]]></category>
		<category><![CDATA[koch snowflake]]></category>
		<category><![CDATA[mandelbrot]]></category>
		<category><![CDATA[numpy]]></category>
		<category><![CDATA[pylab]]></category>
		<category><![CDATA[sierpinski triangle]]></category>
		<category><![CDATA[turtle]]></category>
		<category><![CDATA[tweetable]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=375</guid>

					<description><![CDATA[Code Golf is the amusement of writing as short as possible a program to perform a given task. So for... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/tweetable-python-code-golf/">read more<span class="gridview-sr-only"> Tweetable Python Code Golf</span></a></span>]]></description>
		
		
		
			</item>
		<item>
		<title>Random Walk</title>
		<link>https://tuxar.uk/random-walk/</link>
					<comments>https://tuxar.uk/random-walk/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 18 Apr 2015 16:52:46 +0000</pubDate>
				<category><![CDATA[Basic]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[colorsys]]></category>
		<category><![CDATA[random]]></category>
		<category><![CDATA[range]]></category>
		<category><![CDATA[turtle]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=77</guid>

					<description><![CDATA[A colourful random walk. The basic idea is very simple: choose a random heading in the range 0:360 degrees. Step... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/random-walk/">read more<span class="gridview-sr-only"> Random Walk</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/random-walk/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Turtle Star</title>
		<link>https://tuxar.uk/turtle-star/</link>
					<comments>https://tuxar.uk/turtle-star/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 18 Apr 2015 15:26:01 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[color]]></category>
		<category><![CDATA[conditionals]]></category>
		<category><![CDATA[turtle]]></category>
		<category><![CDATA[while]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=71</guid>

					<description><![CDATA[A very simple Turtle program. Turtle can draw intricate shapes using programs that repeat simple moves. Turtle graphics is a... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/turtle-star/">read more<span class="gridview-sr-only"> Turtle Star</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/turtle-star/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Sierpinski Triangle, drawn by a Turtle</title>
		<link>https://tuxar.uk/sierpinski-triangle-drawn-by-a-turtle/</link>
					<comments>https://tuxar.uk/sierpinski-triangle-drawn-by-a-turtle/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 18 Apr 2015 14:40:16 +0000</pubDate>
				<category><![CDATA[Basic]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[fractal]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[recursion]]></category>
		<category><![CDATA[turtle]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=67</guid>

					<description><![CDATA[This is a classic fractal drawn with a recursion algorithm and Turtle graphics. The Sierpinski Triangle&#8217;s sides are bisected and... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/sierpinski-triangle-drawn-by-a-turtle/">read more<span class="gridview-sr-only"> Sierpinski Triangle, drawn by a Turtle</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/sierpinski-triangle-drawn-by-a-turtle/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Square Spiral</title>
		<link>https://tuxar.uk/square-spiral/</link>
					<comments>https://tuxar.uk/square-spiral/#respond</comments>
		
		<dc:creator><![CDATA[Alan]]></dc:creator>
		<pubDate>Sat, 18 Apr 2015 09:58:03 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Turtle]]></category>
		<category><![CDATA[assignment]]></category>
		<category><![CDATA[conditionals]]></category>
		<category><![CDATA[import]]></category>
		<category><![CDATA[libraries]]></category>
		<category><![CDATA[loop]]></category>
		<category><![CDATA[turtle]]></category>
		<category><![CDATA[while]]></category>
		<guid isPermaLink="false">http://python3.codes/?p=60</guid>

					<description><![CDATA[This is a very simple introduction to Turtle graphics. The turtle starts in the middle of the window, moves forward... <span class="gridview-grid-post-read-more"><a href="https://tuxar.uk/square-spiral/">read more<span class="gridview-sr-only"> Square Spiral</span></a></span>]]></description>
		
					<wfw:commentRss>https://tuxar.uk/square-spiral/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
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