- XLogo
The vertical cords appear distorted due to their black and white 'twist' pattern.
To
New
# set default screen, pen and turtle values
ResetAll SetScreenSize [400 400] HideTurtle
SetSC Black SetPC Green SetPS 1 PenUp
End
To
Cord
Make "
PenCol
0 PenDown Repeat 6 [
Make "
PenCol
Abs (
:
PenCol
-7)
SetPC
:
PenCol
Forward 48]
PenUp Wait 12
End
To
TwistCord
Make "
myPos
Pos PenDown Forward 24
Cord
SetPos
:
myPos
Right 90 Forward 1 Left 90 PenDown Forward 10
Cord
SetPos
:
myPos
Left 90 Forward 1 Right 90 PenDown Forward 38
Cord
SetPos
:
myPos
Left 180 PenDown Forward 24 Cord
SetPos
:
myPos
Left 90 Forward 1 Right 90 PenDown Forward 10
Cord
SetPos
:
myPos
Right 90 Forward 1 Left 90 PenDown Forward 38
Cord
End
To
Go
New
SetSC [160 160 160]
Repeat 8 [
SetPos List (RepCount *45)-200 Minus 20
If (Mod RepCount 2) =0 [Left 180 SetY 20]
TwistCord
]
End