feat: Turtle.LevyCurve() ( Fixes #155 )

Author: StartAutomating

Turtle.types.ps1xml

@@ -835,6 +835,37 @@ param(
 $this.Rotate($Angle * -1)
                     </Script>
       </ScriptMethod>
+      <ScriptMethod>
+        <Name>LevyCurve</Name>
+        <Script>
+                        &lt;#
+.SYNOPSIS
+    Draws a Levy Curve
+.DESCRIPTION
+    Draws a Levy Curve L-System
+.LINK
+    https://paulbourke.net/fractals/lsys/
+#&gt;
+param(
+# The size of each segment.
+[double]$Size = 10,
+# The number of expansions (the order of magnitude)
+[int]$Order = 4,
+# The angle
+[double]$Angle = 45
+)
+
+$this.LSystem('F', @{
+    F='-F++F-'
+}, $Order, [Ordered]@{
+    '\+' = { $this.Rotate($angle)}
+    '-' = { $this.Rotate($angle * -1)}
+    'F' = { $this.Forward($size)}
+})
+
+
+                    </Script>
+      </ScriptMethod>
       <ScriptMethod>
         <Name>LSystem</Name>
         <Script>