import pgzrun

TITLE = "Paf l'oiseau"
WIDTH = 400
HEIGHT = 708
direction = 1

def on_mouse_down(button):
    if button == mouse.LEFT:
        print('freinage')
        titi.speed -= 1
    elif button == mouse.RIGHT:
        print('accélaration')
        titi.speed += 1

def on_mouse_up():
    titi.speed = 1
    blackbird.speed = 1

def update():
    if titi.left > WIDTH:
        titi.right = 0
    if titi.right < 0:
        titi.left = WIDTH
    titi.x += titi.speed
        
def draw():
    screen.blit('background', (0, 0))
    titi.draw()
    blackbird.draw()
    
titi = Actor('bird1', (75, 350))
blackbird = Actor('bird2', (95, 150))
titi.speed = 1
blackbird.speed = 2

pgzrun.go()