PrePython

# Lesson 6: Square Spirograph

# Tools

https://trinket.io/ (opens new window)

# Lesson Learns

# Object attributes

  • Turtle object has many attributes which we can define how our turtle should be or act.

# shape (opens new window)

  • arrow, turtle, circle, square, triangle, classic

main.py




 

from turtle import *

my_turtle = Turtle()
my_turtle.shape("arrow") # try arrow, turtle, circle, square, triangle, classic
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# speed (opens new window)

  • an integer in the range 0-10 or a speedstring

main.py





 


from turtle import *

my_turtle = Turtle()

my_turtle.speed(1) # try 0 - 10
my_turtle.forward(50)
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# color (opens new window)

  • a string or HEX color code

main.py





 

 


from turtle import *

my_turtle = Turtle()

my_turtle.color("#148F77")
my_turtle.forward(50)
my_turtle.color("red")
my_turtle.forward(50)
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output

image

# pensize (opens new window)

  • a positive number

main.py





 

 


from turtle import *

my_turtle = Turtle()

my_turtle.pensize(1)
my_turtle.forward(50)
my_turtle.pensize(5)
my_turtle.forward(50)
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output

image

# Code a Square Spirograph

# Step 1: create a square

main.py

from turtle import *

my_turtle = Turtle()

def rect():
    for i in range(4):
        my_turtle.forward(50)
        my_turtle.left(90)
      
rect()
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output

image

# Step 2: More!

main.py











 
 

from turtle import *

my_turtle = Turtle()

def rect():
    for i in range(4):
        my_turtle.forward(50)
        my_turtle.left(90)
      
rect()
my_turtle.left(12)
rect()
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output

image

# Step 3: More and More and More! with loop

main.py










 
 
 

from turtle import *

my_turtle = Turtle()

def rect():
    for i in range(4):
        my_turtle.forward(50)
        my_turtle.left(90)
      
for i in range(10):
    rect()
    my_turtle.left(12)
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output

image

# Step 4: Set speed and pensize

main.py




 
 











from turtle import *

my_turtle = Turtle()
my_turtle.speed(10)
my_turtle.pensize(1)


def rect():
    for i in range(4):
        my_turtle.forward(50)
        my_turtle.left(90)
      
for i in range(10):
    rect()
    my_turtle.left(12)
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output

image

# Step 5: Coloring

main.py













 
 



from turtle import *

my_turtle = Turtle()
my_turtle.speed(10)
my_turtle.pensize(1)


def rect():
    for i in range(4):
        my_turtle.forward(50)
        my_turtle.left(90)
      
for each_color in ["red","#148F77","blue","#FFC300","black"]:
    my_turtle.color(each_color)
    rect()
    my_turtle.left(12)
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output

image

# Step 6: Repeat this Spirograph again and again

main.py













 





from turtle import *

my_turtle = Turtle()
my_turtle.speed(10)
my_turtle.pensize(1)


def rect():
    for i in range(4):
        my_turtle.forward(50)
        my_turtle.left(90)

for i in range(5): 
    for each_color in ["red","#148F77","blue","#FFC300","black"]:
        my_turtle.color(each_color)
        rect()
        my_turtle.left(12)
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output

image