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82 lines (61 loc) · 1.47 KB
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"""This module contains a code example related to
Think Python, 2nd Edition
by Allen Downey
https://greenteapress.com/wp/think-python-2e/
Copyright 2015 Allen Downey
License: http://creativecommons.org/licenses/by/4.0/
"""
from __future__ import print_function, division
import turtle
from Point1 import Point, Rectangle
from Circle import Circle
import polygon
def draw_circle(t, circle):
"""Draws a circle.
t: Turtle
circle: Circle
"""
t.pu()
t.goto(circle.center.x, circle.center.y)
t.fd(circle.radius)
t.lt(90)
t.pd()
polygon.circle(t, circle.radius)
def draw_rect(t, rect):
"""Draws a rectangle.
t: Turtle
rect: Rectangle
"""
t.pu()
t.goto(rect.corner.x, rect.corner.y)
t.setheading(0)
t.pd()
for length in rect.width, rect.height, rect.width, rect.height:
t.fd(length)
t.rt(90)
if __name__ == '__main__':
bob = turtle.Turtle()
# draw the axes
length = 400
bob.fd(length)
bob.bk(length)
bob.lt(90)
bob.fd(length)
bob.bk(length)
# draw a rectangle
box = Rectangle()
box.width = 100.0
box.height = 200.0
box.corner = Point()
box.corner.x = 50.0
box.corner.y = 50.0
draw_rect(bob, box)
# draw a circle
circle = Circle
circle.center = Point()
circle.center.x = 150.0
circle.center.y = 100.0
circle.radius = 75.0
draw_circle(bob, circle)
# wait for the user to close the window
turtle.mainloop()