Turtle interpretation of symbols

• F

  Move forward and draw a line.

  ✅

• f

  Move forward without drawing a line.

  ✅

• +

  Turn left.

  ✅

• -

  Turn right.

  ✅

• ^

  Pitch up.

  ✅

• &

  Pitch down.

  ✅

• \

  Roll left.

  ✅

• /

  Roll right.

  ✅

• |

  Turn around.

  ✅

• $

  Rotate the turtle to vertical.

  ❌

• [

  Start a branch.

  ✅

• ]

  Complete a branch.

  ✅

• {

  Start a polygon.

  ✅

• G

  Move forward and draw a line. Do not record a vertex.

  ❌

• .

  Record a vertex in the current polygon.

  ❌

• }

  Complete a polygon.

  ✅

• ~

  Incorporate a predefined surface.

  ❌

• !

  Decrement the diameter of segments.

  ✅

• '

  Increment the current color index.

  ✅

• %

  Cut off the remainder of the branch.

  ✅