# Créé par apatura, le 04/03/2014 en Python 3.2
from tkinter import *

def creer(event):
    global x,y,rond1,x2,y2,rond2,nombreclic
    nombreclic=nombreclic+1
    if nombreclic%2==1:
        c.delete(rond1)
        x,y=event.x,event.y
        rond1=c.create_oval(x-10,y-10,x+10,y+10,outline='red',fill='orange')
        deplacedroitebas1()
    else:
       c.delete(rond2)
       x2,y2=event.x,event.y
       rond2=c.create_oval(x2-10,y2-10,x2+10,y2+10,outline='red',fill='orange')
       deplacegauchehaut2()

def creer2(event):
    globalx2,y2,rond2
    x2,y2=event.x,event.y
    rond2=c.create_oval(x2-10,y2-10,x2+10,y2+10,outline='red',fill='orange')

def vitesse(event):
    global v
    v= entree.get()

def distance():
    return (x-x2)*(x-x2)+(y-y2)*(y-y2)

def deplacedroitebas1():
    global x,y,d1
    if distance()>=400 :
      d1=1
      if x<290 and y<190:
        f.after(v,deplacedroitebas1)
        x=x+2
        y=y+2
        c.coords(rond1,x-10,y-10,x+10,y+10)
      elif  x>=290:
        deplacegauchebas1()
      else:
        deplacedroitehaut1()
    else:
        if d2==2 :
          x=x-2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchebas1()
        elif d2==4:
          x=x+2
          y=y-2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacedroitehaut1()
        elif d2==3:
          x=x-2
          y=y-2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchehaut1()
        else:
          x=x+2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacedroitehaut1()


def deplacegauchebas1():
    global x,y,d1
    if distance()>=400 :
      d1=2
      if x>10 and y<190:
         f.after(v,deplacegauchebas1)
         x=x-2
         y=y+2
         c.coords(rond1,x-10,y-10,x+10,y+10)
      elif x<=10:
        deplacedroitebas1()
      else:
        deplacegauchehaut1()
    else:
      if d2==1:
        x=x+2
        y=y+2
        c.coords(rond1,x-10,y-10,x+10,y+10)
        deplacedroitebas1()
      elif d2==3:
          x=x-2
          y=y-2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchehaut1()
      elif d2==4:
          x=x+2
          y=y-2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacedroitehaut1()
      else:
          x=x-2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchehaut1()

def deplacegauchehaut1():
    global x,y,d1
    if distance()>=400 :
      d1=3
      if x>10 and y>10:
        f.after(v,deplacegauchehaut1)
        x=x-2
        y=y-2
        c.coords(rond1,x-10,y-10,x+10,y+10)
      elif x<=10:
        deplacedroitehaut1()
      else:
        deplacegauchebas1()
    else:
        if d2==4 :
         x=x+2
         y=y-2
         c.coords(rond1,x-10,y-10,x+10,y+10)
         deplacedroitehaut1()
        elif d2==2:
          x=x-2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchebas1()
        elif d2==1:
          x=x+2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacedroitebas1()
        else:
          x=x-2
          y=y-2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacedroitehaut1()

def deplacedroitehaut1():
    global x,y,d1
    if distance()>=400 :
      d1=4
      if x<290 and y>10:
        f.after(v,deplacedroitehaut1)
        x=x+2
        y=y-2
        c.coords(rond1,x-10,y-10,x+10,y+10)
      elif x>=290:
        deplacegauchehaut1()
      else:
        deplacedroitebas1()
    else:
      if d2==3 :
        x=x-2
        y=y-2
        c.coords(rond1,x-10,y-10,x+10,y+10)
        deplacegauchehaut1()
      elif d2==1:
          x=x+2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacedroitebas1()
      elif d2==2:
          x=x-2
          y=y+2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchebas1()
      else:
          x=x+2
          y=y-2
          c.coords(rond1,x-10,y-10,x+10,y+10)
          deplacegauchehaut1()


def deplacedroitebas2():
      global x2,y2,d2
      d2=1
      if x2<290 and y2<190:
        f.after(v,deplacedroitebas2)
        x2=x2+1
        y2=y2+1
        c.coords(rond2,x2-10,y2-10,x2+10,y2+10)
      elif  x2>=290:
        deplacegauchebas2()
      else:
        deplacedroitehaut2()

def deplacegauchebas2():
      global x2,y2,d2
      d2=2
      if x2>10 and y2<190:
         f.after(v,deplacegauchebas2)
         x2=x2-1
         y2=y2+1
         c.coords(rond2,x2-10,y2-10,x2+10,y2+10)
      elif x2<=10:
        deplacedroitebas2()
      else:
        deplacegauchehaut2()


def deplacegauchehaut2():
      global x2,y2,d
      d2=3
      if x2>10 and y2>10:
        f.after(v,deplacegauchehaut2)
        x2=x2-1
        y2=y2-1
        c.coords(rond2,x2-10,y2-10,x2+10,y2+10)
      elif x2<=10:
        deplacedroitehaut2()
      else:
        deplacegauchebas2()


def deplacedroitehaut2():
      global x2,y2,d2
      d2=4
      if x2<290 and y2>10:
        f.after(v,deplacedroitehaut2)
        x2=x2+1
        y2=y2-1
        c.coords(rond2,x2-10,y2-10,x2+10,y2+10)
      elif x2>=290:
        deplacegauchehaut2()
      else:
        deplacedroitebas2()

d1,d2=0,0  #direction de chaque boule:1,2,3 ou 4
x,y,x2,y2,v,nombreclic=100,100,10,10,0,0
f=Tk()
c=Canvas(f,height=200,width=300,bg='ivory')
rond1= c.create_oval(x-10,y-10,x+10,y+10,outline='red',fill='black')
#c.create_oval(0,00,20,20,outline='red')
c.delete(rond1)
rond2= c.create_oval(x2-10,y2-10,x2+10,y2+10,outline='red',fill='black')
#c.create_oval(0,00,20,20,outline='red')
c.delete(rond2)
texte=Text(f, height=3, width=30)
texte.pack()
texte.insert(END,"Entrez la vitesse et validez , puis cliquez à deux endroits dans la fenêtre ")
entree=Entry(f,background='white')
entree.bind("<Return>",vitesse)
entree.pack()
c.bind("<Button-1>",creer)
c.pack(side=TOP)


b=Button(f,text="Quitter",command=f.destroy)
b.pack()

f.mainloop()