Turtle Graphics

Commands

forward(d) fd
backward(d) bk
right(a) rt
left(a) lt
penup() pu
pendown() pd
goto(x, y)
color(c)
penwidth(w)
home()
clear()
show()
frame()
animate(fps)
S(x=0) state

Colours are CSS strings: 'red', '#3498db', 'hsl(120,70%,50%)'

Draw pictures by giving movement commands to a turtle that traces its path on a canvas. Edit any cell and press Shift+Enter (or click ▶) to run it.