paf-loiseau/birdie.py

import pgzrun

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

def on_mouse_down():
    print('Stop!')
    titi.speed = 1

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

def update():
    titi.x += titi.speed
    blackbird.x += blackbird.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()