ajout d'une gui en 3d, d'un tuto et correction de bug à la pelletée

entities/player_3d/scripts/player_3d.gd

@@ -38,6 +38,8 @@ func _physics_process(delta):
     # Get the input direction and handle the movement/deceleration.
     # As good practice, you should replace UI actions with custom gameplay actions.
     var input_dir = Input.get_vector("move_left", "move_right", "move_up", "move_down")
+    if Input.is_action_pressed("move_pointer"):
+        input_dir.y = -1
     var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
     if direction:
         velocity.x = direction.x * SPEED