import pgzrun

TITLE = "Paf l'oiseau"
WIDTH = 400
HEIGHT = 708

titi = Actor('bird1', (151, 350))
titi2 = Actor('bird1', (11, 250))

def draw():
    screen.blit('cascade', (0, 0))
    titi.draw()
    titi2.draw()

def on_mouse_down():
    print('Clic souris !')
    titi.speed += 1 
    titi2.speed += 1

def on_mouse_up():
    titi.speed += 1
    titi2.speed += 2
    
def update():
    
    if titi.x>400:
        titi.x = 0
        titi.x += titi.speed
    else:
        titi.x += titi.speed

    if titi2.x>400:
        titi2.x = 0
        titi2.x += titi2.speed

    else:
        titi2.x += titi.speed

titi.speed = 1
titi2.speed = 1


pgzrun.go()