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#
# Python script to wish Merry Christmas using turtle.
# Author - https://www.pythoncircle.com
# Original Author - https://www.codesters.com/preview/6fe8df0ccc45b1460ab24e5553497c5684987fb5/
import turtle
import time
# create a screen
screen = turtle.getscreen()
# set background color of screen
screen.bgcolor("white")
# set tile of screen
screen.title("USA Flag - https://www.pythoncircle.com")
# "Yesterday is history, tomorrow is a mystery,
# but today is a gift. That is why it is called the present.”
# — Oogway to Po, under the peach tree, Kung Fu Panda Movie
oogway = turtle.Turtle()
# set the cursor/turtle speed. Higher value, faster is the turtle
oogway.speed(100)
oogway.penup()
# decide the shape of cursor/turtle
oogway.shape("turtle")
# flag height to width ratio is 1:1.9
flag_height = 250
flag_width = 475
# starting points
# start from the first quardant, half of flag width and half of flag height
start_x = -237
start_y = 125
# For red and white stripes (total 13 stripes in flag), each strip width will be flag_height/13 = 19.2 approx
stripe_height = flag_height/13
stripe_width = flag_width
# length of one arm of star
star_size = 10
def draw_fill_rectangle(x, y, height, width, color):
oogway.goto(x,y)
oogway.pendown()
oogway.color(color)
oogway.begin_fill()
oogway.forward(width)
oogway.right(90)
oogway.forward(height)
oogway.right(90)
oogway.forward(width)
oogway.right(90)
oogway.forward(height)
oogway.right(90)
oogway.end_fill()
oogway.penup()
def draw_star(x,y,color,length) :
oogway.goto(x,y)
oogway.setheading(0)
oogway.pendown()
oogway.begin_fill()
oogway.color(color)
for turn in range(0,5) :
oogway.forward(length)
oogway.right(144)
oogway.forward(length)
oogway.right(144)
oogway.end_fill()
oogway.penup()
# this function is used to create 13 red and white stripes of flag
def draw_stripes():
x = start_x
y = start_y
# we need to draw total 13 stripes, 7 red and 6 white
# so we first create, 6 red and 6 white stripes alternatively
for stripe in range(0,6):
for color in ["red", "white"]:
draw_fill_rectangle(x, y, stripe_height, stripe_width, color)
# decrease value of y by stripe_height
y = y - stripe_height
# create last red stripe
draw_fill_rectangle(x, y, stripe_height, stripe_width, 'red')
y = y - stripe_height
# this function create navy color square
# height = 7/13 of flag_height
# width = 0.76 * flag_height
# check references section for these values
def draw_square():
square_height = (7/13) * flag_height
square_width = (0.76) * flag_height
draw_fill_rectangle(start_x, start_y, square_height, square_width, 'navy')
def draw_six_stars_rows():
gap_between_stars = 30
gap_between_lines = stripe_height + 6
y = 112
# create 5 rows of stars
for row in range(0,5) :
x = -222
# create 6 stars in each row
for star in range (0,6) :
draw_star(x, y, 'white', star_size)
x = x + gap_between_stars
y = y - gap_between_lines
def draw_five_stars_rows():
gap_between_stars = 30
gap_between_lines = stripe_height + 6
y = 100
# create 4 rows of stars
for row in range(0,4) :
x = -206
# create 5 stars in each row
for star in range (0,5) :
draw_star(x, y, 'white', star_size)
x = x + gap_between_stars
y = y - gap_between_lines
# start after 5 seconds.
time.sleep(5)
# draw 13 stripes
draw_stripes()
# draw squares to hold stars
draw_square()
# draw 30 stars, 6 * 5
draw_six_stars_rows()
# draw 20 stars, 5 * 4. total 50 stars representing 50 states of USA
draw_five_stars_rows()
# hide the cursor/turtle
oogway.hideturtle()
# keep holding the screen until closed manually
screen.mainloop()
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