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Global Procedures

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Logs

• v0.0.15: The GOTO Keyword in LOGO Turtle Programming
• v0.0.14: Add Status Bar, Add Repcount and Bug Fixes
• v0.0.13: Turtle Programming v0.0.13: Support RGB, Add ShortCodes, Global Procedures Editor
• v0.0.12: Turtle Programming v0.0.12: Powerful For Loop, INC, DEC, and on NPM!
• v0.0.11: Turtle Programming: While Loop, Do/Else Loop and Unit Tests Added
• v0.0.10: Turtle Programming: Fractal Stars, Random, Console, Eraser, SetPC, SetXY, Examples, Wait, Bug Fixes and So much more!
• v0.0.9: Turtle Programming v0.0.9: Add SetX, SetY, Square and Rect!
• v0.0.8: Turtle Programming v0.0.8: /* */ comments, dotxy, and javascript!
• v0.0.7: Turtle Programming v0.0.7: Functions with Parameters + Recursion!
• v0.0.6: Turtle Programming: Adding Circle, MoveTo, Turn and Screen!
• v0.0.5: Turtle Programming v0.0.5: Adding IF/ELSE and STOP!
• v0.0.4: LogoTurtle: Make Variables and Comments
• v0.0.3: Turtle Graphics Programming Update: Adding text, jump, dot, fontsize, download as png
• v0.0.2: LogoTurtle v0.0.2: ShowTurtle, HideTurtle, Color, Width and Help.
• v0.0.1: Teach Your Kids Programming - The First Logo Interpreter (Turtle Graphics) in Chrome Extension!

Examples

• Chess Board

  TO FK :B
    HT # hide the turtle
    IF :B>15 [STOP]
    REPEAT 4 [FD :B RT 90]
    FK :B+1 # draw a bigger square to fill
  END
  
  TO QP :Y
    IF :Y>4 [STOP]
    REPEAT 4 [FK 15 FD 15 FK 1 FD 15]
    RT 90 FD 30 RT 90
    REPEAT 4 [FK 15 FD 15 FK 1 FD 15]
    RT 180
    QP :Y+1
  END
  
  QP 1
  

• Fractal Stars

  cs ht
  to star :size :small
      if :size<:small [stop]
      repeat 5 [fd :size star :size*0.3 :small rt 144]
  end
  star 200 10
  

• ht cs for [i 0 360 45] [seth :i make "n 0 
    repeat 80 [setpc :random*15 
      repeat 8 [fd :n rt 45] make "n :n+1
    ] 
  ]
  

• to randomwalk
    repeat 100 [
      make "r parseInt(:random*3)
      if :r==0 [fd 20]
      if :r==1 [rt 90 fd 20]
      if :r==2 [lt 90 fd 20]
    ]   
  end
  

• to spiral
    make "n 1
    while :n<100 [
      make "n :n+5
      fd :n rt 90
    ]
  end
  

• repeat 18[repeat 4[repeat 18[fd 10 rt 5] rt 180]rt 20]
  repeat 18[repeat 18[repeat 4[repeat 18[fd 10 rt 5] rt 160]rt 20] rt 20]
  repeat 4[repeat 9[repeat 4[repeat 9[fd 25 rt 10] repeat 9[ fd 25 lt 10] rt 160] lt 40] rt 90]
  

• repeat 100 [fd :repcount*3 rt 90]
  

• repeat 36[repeat 36[fd 10 pu fd 10 pd rt 10]lt 10]
  

• repeat 72[repeat 4[repeat 4[fd 10 pu fd 20 pd fd 10] rt 90]lt 5]
  

•   rt 10
    goto @start
    repeat [5 fd 100 rt 144]
    @start
    make "i 0
    @hello
    fd 100
    rt 90
    make "i :i+1
    if :i<4  [goto @hello] 
    fd 100  
  

Support Commands

• FD, FORWARD, WALK
• BK, BACKWARD
• RT, RIGHT
• LT, LEFT
• ST, SHOWTURTLE
• HT, HIDETURTLE
• COLOR
• WIDTH
• PU, PENUP
• PD, PENDOWN
• HOME
• CS, CLEARSCREEN
• REPEAT
• FONTSIZE
• TEXT, LABEL
• DOT
• JMP, JUMP
• MAKE
• IF/ELSE
• STOP
• TURN, SETH
• CIRCLE
• SCREEN, SETSC, SETSCREENCOLOR
• SETXY, MOVETO
• TO, END
• DOTXY
• JS
• RECT
• SQUARE
• SETX
• SETY
• PENERASE, PE
• PENPAINT, PPT
• WAIT
• PC, SETPC, SETCOLOR, SETPENCOLOR
• PRINT, CONSOLE
• WHILE
• DO/ELSE
• FOR
• INC
• DEC
• CLEAR
• REMOVE
• CLEARCONSOLE
• GOTO

Global Variables

• :random
• :repcount
• :turtlex
• :turtley
• :turtleangle

Proudly brought to you by @justyy (Report Bugs)

Source Code: https://github.com/DoctorLai/LogoTurtle