# 实验8

from turtle import *
def square(size=50, rgb='pink'):
'''绘制正方形
参数size指定边长
参数rgb指定画笔颜色
如果没有给参数，采用默认值
'''
pencolor(rgb)
for i in range(4):
fd(size)
left(90)
def main():
setup(800,600)
speed(0)
n=10
for i in range(n):
square(80)
left(360/n)
hideturtle()
done()
if __name__=='__main__':
main()


from turtle import *
setup(800, 600)
pencolor('pink')
n = 10
for i in range(n):
# 绘制一片花瓣
for j in range(2):
circle(80, 90)
left(90)
right(360/n)
hideturtle()
done()


from turtle import *
setup(800, 600)
bgcolor('black')
pencolor('white')
speed(0)
angle = 0
size = 2
n = 10
for i in range(n):
for j in range(4):
fd(size)
angle += 72
seth(angle)
size += 5
hideturtle()
done()


from turtle import *
from random import random
def moveto(x,y):
penup()
goto(x,y)
pendown()
setup(800, 600)
def rect(wide,height,rgb='red'):
rgb = tuple(random() for i in range(3))
color(rgb)
for i in range(2):
begin_fill()
fd(wide)
left(90)
fd(height)
end_fill()
left(90)
for i in range(20):
moveto((9 - i) * 10, 0)
rect(10, 20)
hideturtle()
done()


posted @ 2022-06-13 22:56  乐长森  阅读(7)  评论(2编辑  收藏  举报