Приращение углов многоугольника

from tkinter import *
import math
root = Tk()
 
def createFigure(event):
    if coordinates[0, 1] == 3:
    #if count == 1:
        mainFrame.create_polygon(polygon(event.x, event.y, 3, 20), fill="white", outline="black")
        count += 1
    else:    
        mainFrame.create_polygon(polygon(event.x, event.y, 2+count, 20), fill="white", outline="black")
 
def clearEverything():
    mainFrame.delete("all")
 
def polygon(x, y, sides, radius=1, rotation=0, translation=None):
    one_segment = math.pi * 2 / sides
 
    points = [
        (math.sin(one_segment * i + rotation) * radius + x,
         math.cos(one_segment * i + rotation) * radius + y)
        for i in range(sides)]
 
    if translation:
        points = [[sum(pair) for pair in zip(point, translation)]
                  for point in points]
    coordinates.append((points, 3))
    return points
 
mainFrame = Canvas(root, bg="white", width=600, height=600)
delButton = Button(root, text="DELETE", command=clearEverything).pack(side=BOTTOM)
mainFrame.pack()
 
mainFrame.bind("<Button-1>", createFigure)
#mainFrame.create_polygon(polygon(5, 20))
coordinates = [(), ()]
root.mainloop()

from tkinter import *
import math
root = Tk()
RADIUS = 20
figures = []
 
def createFigure(event):
  for f in figures:
    if (abs(f[0] - event.x) < RADIUS and abs(f[1] - event.y) < RADIUS):
      mainFrame.delete(f[2])
      figures.remove(f)
      a = mainFrame.create_polygon(polygon(f[0], f[1], f[3]+1, RADIUS), fill="white", outline="black")
      figures.append((f[0], f[1], a, f[3]+1))
      return
  a = mainFrame.create_polygon(polygon(event.x, event.y, 3, RADIUS), fill="white", outline="black")
  figures.append((event.x, event.y, a, 3))
 
def clearEverything():
  mainFrame.delete("all")
  figures.clear()
 
def polygon(x, y, sides, radius=1, rotation=0, translation=None):
    one_segment = math.pi * 2 / sides
 
    points = [
        (math.sin(one_segment * i + rotation) * radius + x,
         math.cos(one_segment * i + rotation) * radius + y)
        for i in range(sides)]
 
    if translation:
        points = [[sum(pair) for pair in zip(point, translation)]
                  for point in points]
    return points
 
mainFrame = Canvas(root, bg="white", width=600, height=600)
delButton = Button(root, text="DELETE", command=clearEverything).pack(side=BOTTOM)
mainFrame.pack()
 
mainFrame.bind("<Button-1>", createFigure)
root.mainloop()