Procedure: Loops by

Description of the procedure:
Loops makes two inner loops.
One can choose a length "r" and an angle "t".

Source:

procedure main
repeat 120, Loops,r=2,t=75
marcher
va 100
end

procedure Loops
color red
va r
dr loop
color green
va r
ga t
color blue
va r
dr 10
end