使用Python绘制圣诞树源代码

from turtle import *

from random import randint

def create_rectangle(turtle, color, x, y, width, height):

    turtle.penup()

    turtle.color(color)

    turtle.fillcolor(color)

    turtle.goto(x, y)

    turtle.pendown()

    turtle.begin_fill()

    turtle.forward(width)

    turtle.left(90)

    turtle.forward(height)

    turtle.left(90)

    turtle.forward(width)

    turtle.left(90)

    turtle.forward(height)

    turtle.left(90)

    turtle.end_fill()

    turtle.setheading(0)

def create_circle(turtle, x, y, radius, color):

    oogway.penup()

    oogway.color(color)

    oogway.fillcolor(color)

    oogway.goto(x, y)

    oogway.pendown()

    oogway.begin_fill()

    oogway.circle(radius)

    oogway.end_fill()

BG_COLOR = "#0080ff"

oogway = Turtle()

oogway.speed(2)

screen = oogway.getscreen()

screen.bgcolor(BG_COLOR)

screen.title("圣诞树")

screen.setup(width=1.0, height=1.0)

y = -100

create_rectangle(oogway, "red", -15, y-60, 30, 60)

width = 240

oogway.speed(10)

while width > 10:

    width = width - 10

    height = 10

    x = 0 - width/2

    create_rectangle(oogway, "green", x, y, width, height)

    y = y + height

oogway.speed(1)

oogway.penup()

oogway.color('yellow')

oogway.goto(-20, y+10)

oogway.begin_fill()

oogway.pendown()

for i in range(5):

    oogway.forward(40)

    oogway.right(144)

oogway.end_fill()

tree_height = y + 40

create_circle(oogway, 230, 180, 60, "white")

create_circle(oogway, 220, 180, 60, BG_COLOR)

oogway.speed(10)

number_of_stars = randint(20,30)

# print(number_of_stars)

for _ in range(0,number_of_stars):

    x_star = randint(-(screen.window_width()//2),screen.window_width()//2)

    y_star = randint(tree_height, screen.window_height()//2)

    size = randint(5,20)

    oogway.penup()

    oogway.color('white')

    oogway.goto(x_star, y_star)

    oogway.begin_fill()

    oogway.pendown()

    for i in range(5):

        oogway.forward(size)

        oogway.right(144)

    oogway.end_fill()

oogway.speed(1)

oogway.penup()

msg = "老程序员老关"

oogway.goto(0, -200) 

oogway.color("white")

oogway.pendown()

oogway.write(msg, move=False, align="center", font=("Arial", 15, "bold"))

oogway.hideturtle()

screen.mainloop()