CODEWITHSUNDEEP
pythonturtle-graphics
CodingNewbie
CodingNewbie

Reputation: 1

Simplify/shorten code for turtle using functions/loops

I need help to simplify/shorten code for turtle using functions/loops.

I'm writing a program for a character using Python turtle. I've managed to draw the character properly, but I can't find ways to make the code shorter/efficient as it looks too long. I really need help with this as I'm a newbie:

import turtle
win = turtle.Screen()
ninja = turtle.Turtle()

ninja.pensize(10)
ninja.forward(85)

ninja.penup()
ninja.goto(36,0)
ninja.pendown()
ninja.right(135)
ninja.forward(40)

ninja.left(135)
ninja.forward(67)

ninja.penup()
ninja.goto(58,-12)
ninja.pendown()
ninja.right(38)
ninja.forward(34)

ninja.penup()
ninja.goto(44,-32)
ninja.pendown()
ninja.right(52)
ninja.forward(38)

ninja.penup()
ninja.goto(5,-48)
ninja.pendown()
ninja.left(90)
ninja.forward(75)

ninja.penup()
ninja.goto(-4,-70)
ninja.pendown()
ninja.forward(92)

win.mainloop()

Upvotes: 0

Views: 238

Answers (1)

cdlane
cdlane

Reputation: 41872

I reviewed your code and came up with my own improvement logic: first, write it so the pen is never lifted off the paper; second, make it shorter if possible. The following is about four turtle commands shorter, never lifts the pen and produces nearly identical output:

from turtle import Screen, Turtle

turtle = Turtle()
turtle.pensize(9)

turtle.forward(85)
turtle.backward(49)

turtle.left(45)
turtle.backward(40)

turtle.right(45)
turtle.forward(70)

turtle.right(38)
turtle.forward(7)
turtle.backward(33)
turtle.forward(24)

turtle.left(39)
turtle.backward(32)
turtle.right(90)
turtle.forward(43)

turtle.left(90)
turtle.forward(44)
turtle.backward(93)
turtle.forward(49)

turtle.left(90)
turtle.forward(23)
turtle.right(90)
turtle.forward(36)
turtle.backward(78)

turtle.hideturtle()
Screen().mainloop()

enter image description here

For the final stroke, not lifting the pen cost me an extra turtle command, so it is possible to make this code slightly shorter. However, having designed a non-lifting solution, we can monitor where the pen stops and turn this into simply connecting the dots:

from turtle import Screen, Turtle

points = [ \
    (85, 0), (36, 0), (8, -28), (78, -28), (83, -33), \
    (57, -12), (76, -27), (44, -28), (45, -71), (89, -70), \
    (-4, -71), (45, -71), (44, -48), (80, -47), (2, -48), \
]

turtle = Turtle()
turtle.pensize(9)

for point in points:
    turtle.goto(point)

turtle.hideturtle()
Screen().mainloop()

Upvotes: 2

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