""" exercise 15.2, Allen Downey, _Think Python_ 2nd ed.

"""

import turtle

from mypolygon import polyline, arc

from circle import Circle

from classes import Point, Rectangle

def draw_circle(t, c):

t.pu()

t.goto(c.center.x, c.center.y - c.radius)

t.pd()

arc(t, c.radius, 360)

t.pu()

t.goto(0, 0)

t.seth(0)

def draw_rectangle(t, rect):

t.pu()

t.goto(rect.corner.x, rect.corner.y)

t.pd()

t.seth(0)

for length in rect.width, rect.height, rect.width, rect.height:

t.fd(length)

t.rt(90)

t.pu()

t.goto(0, 0)

t.seth(0)

def main():

c = Circle()

c.center = Point()

c.center.x = 0

c.center.y = 0

c.radius = 100

rect = Rectangle()

rect.corner = Point()

rect.corner.x = -100

rect.corner.y = 100

rect.width = 200

rect.height = 300

bob = turtle.Turtle()

draw_circle(bob, c)

draw_rectangle(bob, rect)

turtle.mainloop()

if __name__ == '__main__':

main()