Create drawings by programming a virtual turtle. The turtle carries a pen and moves around the canvas following your commands. Based on Logo, the language from Seymour Papert's Mindstorms (1980).
Commands:
forward
backward
left
right
pen up
pen down
set color
set width
go to
home
repeat
set
Variables:
set size 5
forward size
set size size + 5
Keyboard:
Space
S
R
C
F
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