from turtle import *
from random import randint
from math import *

def toit(x, y, nb_niveau, y0, largeur_im, couleur):
    opp = 480 - (y0 + largeur_im / 2 + ((largeur_im/2)*nb_niveau))
    alpha_max = opp/(largeur_im/2)
    alpha_max = int(degrees(atan(alpha_max)))
    alpha = randint(20, alpha_max)
    setposition(x,y)
    fillcolor(couleur)
    begin_fill()
    pendown()
    forward(largeur_im)
    left(180 - alpha)
    hyp = (largeur_im/2)/cos(radians(alpha))
    forward(hyp)
    left(alpha*2)
    forward(hyp)
    penup()
    left(180-alpha)
    end_fill()