from graphics import *
import math

def rect(r, theta):
    """theta in degrees

    returns tuple; (float, float); (x,y)
    """
    x = r * math.cos(math.radians(theta))
    y = r * math.sin(math.radians(theta))
    return x, y


def polar(x, y):
    """returns r, theta(degrees)
    """
    r = (x ** 2 + y ** 2) ** .5
    if y == 0:
        theta = 180 if x < 0 else 0
    elif x == 0:
        theta = 90 if y > 0 else 270
    else:
        theta = math.degrees(math.atan(float(y) / x))
    return r, theta


def main():
    win = GraphWin('Canvas', 640, 480)  # give title and dimensions
    win.setCoords(-320, -240, 320, 240)

    seventh = Circle(Point(0, 0), 90)  # set center and radius
    # seventh.setFill("yellow")
    seventh.draw(win)

    sixth = Circle(Point(0, 0), 80)  # set center and radius
    # sixth.setFill("yellow")
    sixth.draw(win)

    fifth = Circle(Point(0, 0), 70)  # set center and radius
    # fifth.setFill("yellow")
    fifth.draw(win)

    fourth = Circle(Point(0, 0), 60)  # set center and radius
    # fourth.setFill("yellow")
    fourth.draw(win)

    third = Circle(Point(0, 0), 50)  # set center and radius
    # third.setFill("yellow")
    third.draw(win)

    second = Circle(Point(0, 0), 40)  # set center and radius
    # second.setFill("yellow")
    second.draw(win)

    first = Circle(Point(0, 0), 30)  # set center and radius
    # first.setFill("yellow")
    first.draw(win)

    line = Line(Point(0, 0), Point(rect(90, 0)[0], rect(90, 0)[1]))
    line.draw(win)

    line2 = Line(Point(0, 0), Point(rect(90, 30)[0], rect(90, 30)[1]))
    line2.draw(win)

    line3 = Line(Point(0, 0), Point(rect(90, 60)[0], rect(90, 60)[1]))
    line3.draw(win)

    line4 = Line(Point(0, 0), Point(rect(90, 90)[0], rect(90, 90)[1]))
    line4.draw(win)

    line5 = Line(Point(0, 0), Point(rect(90, 120)[0], rect(90, 120)[1]))
    line5.draw(win)

    line6 = Line(Point(0, 0), Point(rect(90, 150)[0], rect(90, 150)[1]))
    line6.draw(win)

    line7 = Line(Point(0, 0), Point(rect(90, 180)[0], rect(90, 180)[1]))
    line7.draw(win)

    line8 = Line(Point(0, 0), Point(rect(90, 210)[0], rect(90, 210)[1]))
    line8.draw(win)

    line9 = Line(Point(0, 0), Point(rect(90, 240)[0], rect(90, 240)[1]))
    line9.draw(win)

    line10 = Line(Point(0, 0), Point(rect(90, 270)[0], rect(90, 270)[1]))
    line10.draw(win)

    line11 = Line(Point(0, 0), Point(rect(90, 300)[0], rect(90, 300)[1]))
    line11.draw(win)

    line12 = Line(Point(0, 0), Point(rect(90, 330)[0], rect(90, 330)[1]))
    line12.draw(win)

    line13 = Line(Point(0, 0), Point(rect(90, 360)[0], rect(90, 360)[1]))
    line13.draw(win)

    line14 = Line(Point(0, 0), Point(rect(90, 210)[0], rect(90, 210)[1]))
    line14.draw(win)

    first.setFill('black')


    message = Text(Point(0, 200), 'Click anywhere to quit.')
    message.draw(win)
    win.getMouse()

    win.close()

main()