"""
用Python的turtle模塊繪制國旗
"""
import turtle
def draw_rectangle(x, y, width, height):
"""繪制矩形"""
turtle.goto(x, y)
turtle.pencolor('red')
turtle.fillcolor('red')
turtle.begin_fill()
for i in range(2):
turtle.forward(width)
turtle.left(90)
turtle.forward(height)
turtle.left(90)
turtle.end_fill()
def draw_star(x, y, radius):
"""繪制五角星"""
turtle.setpos(x, y)
pos1 = turtle.pos()
turtle.circle(-radius, 72)
pos2 = turtle.pos()
turtle.circle(-radius, 72)
pos3 = turtle.pos()
turtle.circle(-radius, 72)
pos4 = turtle.pos()
turtle.circle(-radius, 72)
pos5 = turtle.pos()
turtle.color('yellow', 'yellow')
turtle.begin_fill()
turtle.goto(pos3)
turtle.goto(pos1)
turtle.goto(pos4)
turtle.goto(pos2)
turtle.goto(pos5)
turtle.end_fill()
def main():
"""主程式"""
turtle.speed(12)
turtle.penup()
x, y = -270, -180
# 畫國旗主體
width, height = 540, 360
draw_rectangle(x, y, width, height)
# 畫大星星
pice = 22
center_x, center_y = x + 5 * pice, y + height - pice * 5
turtle.goto(center_x, center_y)
turtle.left(90)
turtle.forward(pice * 3)
turtle.right(90)
draw_star(turtle.xcor(), turtle.ycor(), pice * 3)
x_poses, y_poses = [10, 12, 12, 10], [2, 4, 7, 9]
# 畫小星星
for x_pos, y_pos in zip(x_poses, y_poses):
turtle.goto(x + x_pos * pice, y + height - y_pos * pice)
turtle.left(turtle.towards(center_x, center_y) - turtle.heading())
turtle.forward(pice)
turtle.right(90)
draw_star(turtle.xcor(), turtle.ycor(), pice)
# 隱藏海龜
turtle.ht()
# 顯示繪圖視窗
turtle.mainloop()
if __name__ == '__main__':
main()
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標籤：其他開發語言