from myro import *
import math

def makePoly(points, color):
    polygon = Polygon(points)
    polygon.setFill(color)
    polygon.color = color
    return polygon

def rotate(polygon, degrees):
    radians = degrees * (2 * math.pi) / 360.0
    points = polygon.getPoints()
    newpoints = []
    for point in points:
        x = (point.x) * math.cos(radians) - (point.y) * math.sin(radians) 
        y = (point.x) * math.sin(radians) + (point.y) * math.cos(radians)
        newpoints.append(Point(x, y))
    newpoly = makePoly(newpoints, polygon.color)
    return newpoly

def getCenter(polygon):
    xsum, ysum, count = 0, 0, 0
    for point in polygon.getPoints():
        xsum += point.x
        ysum += point.y
        count += 1
    return (xsum/count, ysum/count)

win = GraphWin("Shapes", 500, 500)
x, y, r = 250, 100, 10
poly = makePoly([Point(x, y),
                 Point(x + r * 3, y),
                 Point(x + r * 3, y - r),
                 Point(x + r * 2, y - r),
                 Point(x + r * 1.5, y - r * 2),
                 Point(x + r, y - r),
                 Point(x, y - r)],
                "red")
poly.draw(win)

for i in range(45):
    newpoly = rotate(poly, 1)
    newpoly.draw(win)
    poly = newpoly