四小星绕大红星旋转

"""
   四小星绕大红星旋转.py 本程序的5颗小五角星是用一只海龟画出来的，演示动画原理等等。
"""
import time
import turtle

def draw_star(pos,length,filling=False):
    pass

turtle.tracer(0,0)
turtle.setup(480,360)
turtle.fillcolor('red')
turtle.width(4)
turtle.speed(0)
turtle.ht()

pos1 = (0,0)
pos2 = (100,100)
pos3 = (-100,-100)
pos4 = (100,-100)
pos5 = (-100,100)
while True:
    turtle.clear()
    draw_star(pos1,100,True)
    draw_star(pos2,50)
    draw_star(pos3,50)
    draw_star(pos4,50)
    draw_star(pos5,50)
    turtle.update()
    turtle.left(1)
    time.sleep(0.01)
    

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