花纹设计
from turtle import Turtle, mainloop
from time import clock

wrapper for any additional drawing routines

that need to know about each other

class Designer(Turtle):

def design(self, homePos, scale):    self.up()    for i in range(5):        self.forward(64.65 * scale)        self.down()        self.wheel(self.position(), scale)        self.up()        self.backward(64.65 * scale)        self.right(72)    self.up()    self.goto(homePos)    self.right(36)    self.forward(24.5 * scale)    self.right(198)    self.down()    self.centerpiece(46 * scale, 143.4, scale)    self.getscreen().tracer(True)def wheel(self, initpos, scale):    self.right(54)    for i in range(4):        self.pentpiece(initpos, scale)    self.down()    self.left(36)    for i in range(5):        self.tripiece(initpos, scale)    self.left(36)    for i in range(5):        self.down()        self.right(72)        self.forward(28 * scale)        self.up()        self.backward(28 * scale)    self.left(54)    self.getscreen().update()def tripiece(self, initpos, scale):    oldh = self.heading()    self.down()    self.backward(2.5 * scale)    self.tripolyr(31.5 * scale, scale)    self.up()    self.goto(initpos)    self.setheading(oldh)    self.down()    self.backward(2.5 * scale)    self.tripolyl(31.5 * scale, scale)    self.up()    self.goto(initpos)    self.setheading(oldh)    self.left(72)    self.getscreen().update()def pentpiece(self, initpos, scale):    oldh = self.heading()    self.up()    self.forward(29 * scale)    self.down()    for i in range(5):        self.forward(18 * scale)        self.right(72)    self.pentr(18 * scale, 75, scale)    self.up()    self.goto(initpos)    self.setheading(oldh)    self.forward(29 * scale)    self.down()    for i in range(5):        self.forward(18 * scale)        self.right(72)    self.pentl(18 * scale, 75, scale)    self.up()    self.goto(initpos)    self.setheading(oldh)    self.left(72)    self.getscreen().update()def pentl(self, side, ang, scale):    if side < (2 * scale): return    self.forward(side)    self.left(ang)    self.pentl(side - (.38 * scale), ang, scale)def pentr(self, [Skrill下载](https://www.gendan5.com/wallet/Skrill.html)side, ang, scale):    if side < (2 * scale): return    self.forward(side)    self.right(ang)    self.pentr(side - (.38 * scale), ang, scale)def tripolyr(self, side, scale):    if side < (4 * scale): return    self.forward(side)    self.right(111)    self.forward(side / 1.78)    self.right(111)    self.forward(side / 1.3)    self.right(146)    self.tripolyr(side * .75, scale)def tripolyl(self, side, scale):    if side < (4 * scale): return    self.forward(side)    self.left(111)    self.forward(side / 1.78)    self.left(111)    self.forward(side / 1.3)    self.left(146)    self.tripolyl(side * .75, scale)def centerpiece(self, s, a, scale):    self.forward(s); self.left(a)    if s < (7.5 * scale):        return    self.centerpiece(s - (1.2 * scale), a, scale)

def main():

t = Designer()t.speed(0)t.hideturtle()t.getscreen().delay(0)t.getscreen().tracer(0)at = clock()t.design(t.position(), 2)et = clock()return "runtime: %.2f sec." % (et-at)

if name == '__main__':

msg = main()print(msg)mainloop()