Turtle 0.1.3

Turtle 0.1.3

• Fixing Get-Turtle inline sets (#108, #107)
• Fixing .PNG/JPEG/WEBP to no longer try to use msedge (#110)
• Adding Turtle.get/set_FillRule to get or set the fill rule for the turtle. (#109)

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Turtle 0.1.2

• Get-Turtle/Turtle can now get or set properties or methods
• New Methods:
  • Turtle.Distance() determines the distance to a point
  • Turtle.Towards() determines the angle to a point
  • Turtle.Home() sends the turtle to 0,0
  • Turtle.lt/rt aliases help original Logo compatibility
  • Turtle.Save() calls Save-Turtle
• Explicitly exporting commands from module

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Turtle 0.1.1

• Updates:
  • Turtle.get/set_ID allows for turtle identifiers
  • Turtle.ToString() stringifies the SVG
• Fixes:
  • Fixing GoTo/Teleport (#90)
  • Fixing Position default (#85) (thanks @ninmonkey !)
  • Fixing Turtle Action ID (#89)
• New:
  • Turtle.Push() pushes position/heading to a stack (#91)
  • Turtle.Pop() pops position/heading from a stack (#92)
  • Turtle.get_Stack gets the position stack (#93)
• New Fractals:
  • BinaryTree() (#94)
  • FractalPlant() (#95)

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Turtle 0.1

• Initial Release
• Builds a Turtle Graphics engine in PowerShell
• Core commands
  • Get-Turtle (alias turtle) runs multiple moves
  • New-Turtle create a turtle
  • Move-Turtle performas a single move
  • Set-Turtle changes a turtle
  • Save-Turtle saves a turtle

turtle Forward 10 Rotate 120 Forward 10 Roate 120 Forward 10 Rotate 120 |
    Set-Turtle Stroke '#4488ff' |
    Save-Turtle ./Triangle.svg

• Core Object
  • .Heading controls the turtle heading
  • .Steps stores a list of moves as an SVG path
  • .IsPenDown controls the pen
  • .Forward() moves forward at heading
  • .Rotate() rotates the heading
  • .Square() draws a square
  • .Polygon() draws a polygon
  • .Circle() draws a circle (or partial circle)
• LSystems
  • Turtle can draw a L system. Several are included:
    • BoxFractal
    • GosperCurve
    • HilbertCurve
    • KochCurve
    • KochIsland
    • KochSnowflake
    • MooreCurve
    • PeanoCurve
    • SierpinskiTriangle
    • SierpinskiCurve
    • SierpinskiSquareCurve
    • SierpinskiArrowheadCurve
    • TerdragonCurve
    • TwinDragonCurve

turtle SierpinskiTriangle 10 4 |
    Set-Turtle Stroke '#4488ff' |
    Save-Turtle ./SierpinskiTriangle.svg