turtlestitch/stitchcode/Examples/Dragon_curve_recursive.xml

<project name="dragon_curve_recursive" app="TurtleStitch 2.0, http://www.turtlestitch.org" 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name="Stage" width="480" height="360" costume="0" tempo="60" threadsafe="false" lines="round" codify="false" scheduled="false" 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id="2"/></costumes><sounds><list id="3"/></sounds><variables/><blocks/><scripts/><sprites><sprite name="Sprite" idx="1" x="-110" y="0" heading="270" scale="1" rotation="1" draggable="true" costume="0" color="80,80,80" pen="tip" id="8"><costumes><list id="9"/></costumes><sounds><list id="10"/></sounds><variables/><blocks/><scripts><script x="36" y="28"><block s="receiveGo"/><block s="doSetVar"><l>iterations</l><l>10</l></block><block s="doSetVar"><l>length</l><l>5</l></block><block s="clear"/><block s="up"/><block s="gotoXY"><l>50</l><l>0</l></block><block s="setHeading"><l>0</l></block><block s="down"/><custom-block s="dragon_go_left %s %s"><block var="iterations"/><block var="length"/></custom-block></script><comment x="353" y="31" w="167" collapsed="false">DRAGON CURVE Example

Uses a recursive approach to draw a Dragon Curve. For more information on the Dragon curve see it's Wikipedia page.
</comment><script x="212" y="290"><custom-block s="dragon_to_right %s %s"><l/><l/><comment w="172" collapsed="false">This example uses custom blocks and recursion.
These are the blocks
</comment></custom-block><custom-block s="dragon_go_left %s %s"><l/><l/></custom-block></script></scripts></sprite><watcher var="iterations" style="normal" x="6" y="2.00000399999999" color="243,118,29"/><watcher var="length" style="normal" x="6.999999999999886" y="23.000001999999995" color="243,118,29"/></sprites></stage><hidden/><headers/><code/><blocks><block-definition s="dragon_go_left %'level' %'len'" type="command" category="other"><header/><code/><inputs><input type="%s"/><input type="%s"/></inputs><script><block s="doIfElse"><block s="reportEquals"><block var="level"/><l>0</l></block><script><block s="forward"><block var="len"/></block></script><script><custom-block s="dragon_go_left %s %s"><block s="reportDifference"><block var="level"/><l>1</l></block><block var="len"/></custom-block><block s="turnLeft"><l>90</l></block><custom-block s="dragon_to_right %s %s"><block s="reportDifference"><block var="level"/><l>1</l></block><block var="len"/></custom-block></script></block></script></block-definition><block-definition s="dragon_to_right %'level' %'len'" type="command" category="other"><header/><code/><inputs><input type="%s"/><input type="%s"/></inputs><script><block s="doIfElse"><block s="reportEquals"><block var="level"/><l>0</l></block><script><block s="forward"><block var="len"/></block></script><script><custom-block s="dragon_go_left %s %s"><block s="reportDifference"><block var="level"/><l>1</l></block><block var="len"/></custom-block><block s="turn"><l>90</l></block><custom-block s="dragon_to_right %s %s"><block s="reportDifference"><block var="level"/><l>1</l></block><block var="len"/></custom-block></script></block></script></block-definition></blocks><variables><variable name="length"><l>5</l></variable><variable name="iterations"><l>10</l></variable></variables></project>