from random import randint
from time import sleep

xA,yA,xB,yB,xC,yC = -8,0,8,0,0,14

A = Point(xA,yA)
B = Point(xB,yB)
C = Point(xC,yC)

xM = randint(-8,8)
yM = randint(0,14)
    
def nouveaupoint(x,y):
    n=randint(1,3)
    if n==1:
        xnew = (xA+x)/2
        ynew = (yA+y)/2
    elif n==2:
        xnew = (xB+x)/2
        ynew = (yB+y)/2
    else:
        xnew = (xC+x)/2
        ynew = (yC+y)/2   
    return (xnew,ynew)

for i in range(1000) :  
    xM,yM = nouveaupoint(xM,yM)
    M = Point(xM,yM,size=2)
    sleep(0.1)