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python画圣诞树源码.zip(免费下载)[18 次下载]import time |
import random |
import turtle |
n = 80.0 |
turtle.setup(700, 700, 0, 0) |
turtle.speed("fastest") |
turtle.screensize(bg='black') |
turtle.left(90) |
turtle.forward(3 * n) |
turtle.color("orange", "yellow") |
turtle.begin_fill() |
turtle.left(126) |
for i in range(5): |
turtle.forward(n / 5) |
turtle.right(144) |
turtle.forward(n / 5) |
turtle.left(72) |
turtle.end_fill() |
turtle.right(126) |
turtle.color("dark green") |
turtle.backward(n * 4.8) |
def tree(d, s): |
if d <= 0: return |
turtle.forward(s) |
tree(d - 1, s * .8) |
turtle.right(120) |
tree(d - 3, s * .5) |
turtle.right(120) |
tree(d - 3, s * .5) |
turtle.right(120) |
turtle.backward(s) |
tree(15, n) |
turtle.backward(n / 2) |
for i in range(200): |
a = 200 - 400 * random.random() |
b = 10 - 20 * random.random() |
turtle.up() |
turtle.forward(b) |
turtle.left(90) |
turtle.forward(a) |
turtle.down() |
if random.randint(0, 1) == 0: |
turtle.color('tomato') |
else: |
turtle.color('wheat') |
turtle.circle(2) |
turtle.up() |
turtle.backward(a) |
turtle.right(90) |
turtle.backward(b) |
time.sleep(60) |
python画圣诞树源码.zip(免费下载)[18 次下载]
