Liên hệ
Code tạo cây thông noel (How to create a Christmas)
import turtle as t
from turtle import *
import random as r
import time
n = 100.0
speed(“fastest”)
screensize(bg=’black’)
left(90)
forward(3 * n)
color(“orange”, “yellow”)
begin_fill()
left(126)
for i in range(5):
forward(n / 5)
right(144)
forward(n / 5)
left(72)
end_fill()
right(126)
def drawlight():
if r.randint(0, 30) == 0:
color(‘tomato’)
circle(6)
elif r.randint(0, 30) == 1:
color(‘orange’)
circle(3)
else:
color(‘dark green’)
color(“dark green”)
backward(n * 4.8)
def tree(d, s):
if d <= 0: return
forward(s)
tree(d – 1, s * .8)
right(120)
tree(d – 3, s * .5)
drawlight()
right(120)
tree(d – 3, s * .5)
right(120)
backward(s)
tree(15, n)
backward(n / 2)
for i in range(200):
a = 200 – 400 * r.random()
b = 10 – 20 * r.random()
up()
forward(b)
left(90)
forward(a)
down()
if r.randint(0, 1) == 0:
color(‘tomato’)
else:
color(‘wheat’)
circle(2)
up()
backward(a)
right(90)
backward(b)
t.color(“dark red”, “red”)
t.write(“Merry Christmas “, align=”center”, font=(“Comic Sans MS”, 40, “bold”))
def drawsnow():
t.ht()
t.pensize(2)
for i in range(200):
t.pencolor(“white”)
t.pu()
t.setx(r.randint(-350, 350))
t.sety(r.randint(-100, 350))
t.pd()
dens = 6
snowsize = r.randint(1, 10)
for j in range(dens):
t.fd(int(snowsize))
t.backward(int(snowsize))
t.right(int(360 / dens))
drawsnow()
t.done()