diff --git a/birdie.py b/birdie.py
index f6cb721..6ed9ba2 100644
--- a/birdie.py
+++ b/birdie.py
@@ -4,23 +4,26 @@ TITLE = "Paf l'oiseau"
 WIDTH = 400
 HEIGHT = 708
 
-def on_mouse_down():
-    print('Clic souris !')
-    titi.x -= 50
-    titi2.x -= 50
-
+def on_mouse_down(button):
+    if button == mouse.LEFT:
+        print('Freinage')
+        titi.vitesse -= 1
+    elif button == mouse.RIGHT :
+        print('Accelération')
+        titi.vitesse += 1
+ 
 def update():
+    if titi.left > WIDTH:
+        titi.right = 0
+    if titi.right < 0:
+        titi.left = WIDTH
     titi.x += titi.vitesse
-    titi2.x += titi2.vitesse
 
 def draw():
     screen.blit('background', (0, 0))
     titi.draw()
-    titi2.draw()
 
 titi = Actor('bird1', (75, 350))
-titi2 = Actor('bird0', (65,300))
 titi.vitesse = 1
-titi2.vitesse = 2
 
 pgzrun.go()