# 繪畫
# 中國國旗
# 轉載請標明出處！！


import turtle
import time


def draw__stars(tur, step, x, y, arg):
 """
 繪制五角星
 :param tur: turtle object
 :param step: 五角星一條邊的長度
 :param x: 開始繪制五角星的起點x坐標
 :param y: 開始繪制五角星的起點y坐標
 :param arg:
 :return:
 """
 tur.pencolor('yellow')
 tur.fillcolor('yellow')
 tur.up()
 tur.goto(x, y)
 tur.begin_fill()
 tur.down()
 tur.right(arg)
 tur.forward(step)
 tur.right(144)
 tur.forward(step)
 tur.right(144)
 tur.forward(step)
 tur.right(144)
 tur.forward(step)
 tur.right(144)
 tur.forward(step)
 tur.right(144)
 tur.end_fill()


def draw__flag(tur, wide, height):
 """
 繪制國旗的長方形形狀
 :param tur: turtle object
 :param wide: the width of the flag
 :param height: the height of the flag
 :return: None
 """
 tur.pencolor('red')
 tur.fillcolor('red')
 tur.goto(- wide / 2, height / 2)
 tur.begin_fill()
 tur.forward(wide)
 tur.right(90)
 tur.forward(height)
 tur.right(90)
 tur.forward(wide)
 tur.right(90)
 tur.forward(height)
 tur.end_fill()


if __name__ == '__main__':
 """
 main 函數
 """
 # tur = turtle.Turtle()
 turtle.screensize(canvwidth=3000, canvheight=2000, bg=None)
 # 繪制star的turtle對象
 tur_star = turtle.Turtle()
 # 繪制flag的turtle對象
 tur_flag = turtle.Turtle()
 tur_flag.speed(3)
 tur_star.speed(3)
 # 隱藏turtle對象
 tur_star.hideturtle()
 tur_flag.hideturtle()
 # 間隔3秒，可以沒有，這個是我調試時加上去的
 time.sleep(3)
 # 繪制長方形
 draw__flag(tur_flag, 630, 420)
 # 繪制五角星，在合適的位置進行繪制五角星
 # 調用五次函數繪制五顆五角星
 draw__stars(tur_star, step=60, x=-280, y=155, arg=0)
 draw__stars(tur_star, step=25, x=-182, y=177, arg=- 25)
 draw__stars(tur_star, step=25, x=-175, y=125, arg=41)
 draw__stars(tur_star, step=25, x=-208, y=79, arg=23)
 draw__stars(tur_star, step=25, x=-265, y=75, arg=48)
 # 使畫面鎖定
 turtle.done()