用python画美国队长的盾牌

4.美国队长盾牌
https://blog.csdn.net/csdnsevenn/article/details/81151287

import turtle

t = turtle.Turtle()

def setpen(x, y):
# 抬笔
t.penup()
# 移动画笔到(x, y)
t.goto(x, y)
# 落笔
t.pendown()
t.setheading(0)
def circle(x, y, r, color):
# 为了保证画出的圆够圆，所以我们把圆的边设置的多一些
n = 36
angle = 360 / n
pi = 3.1415926
# 周长
c = 2 pi r
# 每条边的长度
l = c / n
# 起始位置
start_x = x - l / 2
start_y = y + r
# 移动画笔
setpen(start_x, start_y)
# 选择画笔颜色
t.pencolor(color)
# 选择背景色
t.fillcolor(color)
# 填充
t.begin_fill()
for i in range(n):

   t.forward(l)
   t.right(angle)

t.end_fill()
def five_star(l):
setpen(0, 0)
t.setheading(162)
t.forward(150)
t.setheading(0)
t.fillcolor('WhiteSmoke')
t.begin_fill()
t.hideturtle()
t.penup()
for i in range(5):

   t.forward(l)
   t.right(144)

t.end_fill()
def sheild():
circle(0, 0, 300, 'red')
circle(0, 0, 250, 'white')
circle(0, 0, 200, 'red')
circle(0, 0, 150, 'blue')
five_star(284)

if name == '__main__':
sheild()
# 结束乌龟图
turtle.done()