# drawing.py
# ----------
# By Kayden
#
# (Briefly describe what this program does.)

from turtle import *
from math import sqrt

def fly(distance):
    "The turtle moves without drawing for a specified distance."
    penup()
    forward(distance)
    pendown()

def square(size):
    "This function defines the drawing of a square with an iteration."
    for i in range(4): 
        forward(size)
        right(90)

def pattern():
    "The function draws a square in a square 3 times."
    left(45)
    square(50)
    fly(5)
    right(90)
    fly(5)
    left(90)
    square(40)
    fly(5)
    right(90)
    fly(5)
    left(90)
    square(30)

def rotateright():
    "The turtle draws the pattern then moves and rotates right."
    pattern()
    left(135)
    fly(15)
    right(90)
    fly(70)
    right(90)

def rotateleft():
    "The turtle draws the pattern then moves and rotates left."
    pattern()
    right(45)
    fly(55)
    left(90)
    fly(70)
    left(90)
    fly(71)
    left(180)

def drawright():
    "The turtle draws squares to the right."
    for i in range(5):
        pattern()
        left(135)
        fly(85)
        right(180)

def drawleft():
    "The turtle draws squares to the left."
    for i in range(5):
        pattern()
        right(45)
        fly(57)

def draw():
    "The turtle draws two rows of squares per cycle."
    drawright()
    rotateright()
    drawleft()
    rotateleft()

"The turtle starts at a specific point and facing a specific direction, then performs the draw function."
penup()
goto(-180,180)
pendown()
left(180)
for i in range(3):
    draw()

input()