# --*-- coding:utf-8 --*--
#
#Dessin des tables de multiplications
#en Rosaces modulo 360.
#

from tkinter import *
from math import pi
from math import cos
from math import sin

global y
y=1

def dessin():
    can.delete(ALL)
    y=yy
    x=1
    xmax=360
    angle=(2*pi)/xmax
    while x<xmax+1:
        z=y*x
        a1=0-(((x%xmax)*angle)-(pi/2))
        a2=0-(((z%xmax)*angle)-(pi/2))
        x1,y1=275+250*cos(a1),275-250*sin(a1)
        x2,y2=275+250*cos(a2),275-250*sin(a2)
        can.create_line(x1,y1,x2,y2,width=1,fill="black")
        x=x+1

def augmente():
    global yy
    yy=yy+1
    dessin()

def diminue():
    global yy
    yy=yy-1
    if yy<2:
        yy=2
    dessin()

yy=y
fen=Tk()
can=Canvas(fen,bg="white",height=550,width=550)
can.pack(side=LEFT)
b1=Button(fen,text="Quitter",command=fen.destroy)
b1.pack(side=BOTTOM)
b2=Button(fen,text="Augmenter",command=augmente)
b2.pack()
b3=Button(fen,text="Diminuer",command=diminue)
b3.pack()

fen.mainloop()