圣诞节来了，给大家画一个圣诞树

最新推荐文章于 2024-01-02 14:03:27 发布

原创最新推荐文章于 2024-01-02 14:03:27 发布 · 214 阅读

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本文通过Python的Turtle模块演示了如何绘制一个由圆形和方形组成的复杂图案。该示例展示了如何使用循环来重复图形绘制过程，并通过条件判断来改变图形的颜色。

import os
import sys
import turtle

def demo1():
height = 5
stars = 1
for i in range(height):
print((' ' * (height - i)) + ('*' * stars))
stars += 2
print((' ' * height) + '|')

def demo2():
screen = turtle.Screen()
screen.setup(375, 700)
circle = turtle.Turtle()
circle.shape('circle')
circle.color('red')
circle.speed('fastest')
circle.up()

square = turtle.Turtle()
square.shape('square')
square.color('green')
square.speed('fastest')
square.up()

circle.goto(0, 280)
circle.stamp()

k = 0
for i in range(1, 13):
y = 30 * i
for j in range(i - k):
x = 30 * j
square.goto(x, -y + 280)
square.stamp()
square.goto(-x, -y + 280)
square.stamp()

if i % 4 == 0:
x = 30 * (j + 1)
circle.color('red')
circle.goto(-x, -y + 280)
circle.stamp()
circle.goto(x, -y + 280)
circle.stamp()
k += 3

if i % 4 == 3:
x = 30 * (j + 1)
circle.color('yellow')
circle.goto(-x, -y + 280)
circle.stamp()
circle.goto(x, -y + 280)
circle.stamp()

square.color('brown')
for i in range(13, 17):
y = 30 * i
for j in range(2):
x = 30 * j
square.goto(x, -y + 280)
square.stamp()
square.goto(-x, -y + 280)
square.stamp()

turtle.done()

if __name__ == "__main__":
#demo1()
demo2()