Logo Documentation

Simple Commands

• fd followed by a number:
  turtle will move forward number of times;
  Examples: fd 50, fd 87
• bd means the same as fd but backwards;
  Example: bd 10
• rt followed by an angle:
  turtle will turn right by the angle;
  Examples: rt 45, rt 120
• lt means the same as rt but the other way;
  Example: lt 90
• pu: turtle stops drawing and moves more secretly;
• pd: turtle starts drawing the line after itself.

Styling Commands

• clr followed by a color:
  turtle changes line color to a new one;
  Examples: clr cyan, clr #fff
• bckgr followed by a color:
  image will be filled with the new color.
  Examples:bckgr purple, bckgr #022a42

Advances Commands

• repeat followed by a number and [array of commands]:
  turtle will repeat commands in the array number of times (can be nested);
  Examples: repeat 3 [fd 100 rt 120], repeat 4 [rt 90 repeat 36 [fd 10 rt 10] ];
• to followed by a name:
  create a method, callable by the name.
  Example:
  to triangle repeat 3 [fd 100 rt 120] end triangle

Other Commands

• save: save an image drawn by the turtle (be careful with this one).

Even More Tips

• Files with .logocode extension can be drag&dropped into the editor area
  (this will update the code in the editor).