add timer before showing game over

game/src/Taquin.gd

@@ -78,6 +78,16 @@ func _input(event):
 		# Disable input during animation
 		return
 
+	var game_state = get_node("/root/Main/GameState") as GameState
+	if game_state != null:
+		match game_state.current_state:
+			# If we are in the winning animation, fast-forward to game over screen
+			GameState.State.WINNING:
+				game_state.transition_to(GameState.State.GAME_OVER)
+				return
+			GameState.State.GAME_OVER:
+				return
+
 	if event.is_action_pressed("ui_up"):
 		move_piece(Direction.DOWN)
 	if event.is_action_pressed("ui_down"):
@@ -107,19 +117,14 @@ func move_piece(direction) -> bool:
 	var destination: Vector2 = missing_piece
 	match direction:
 		Direction.UP:
-#			print("up")
 			destination.y -= 1
 		Direction.DOWN:
 			destination.y += 1
-#			print("down")
 		Direction.LEFT:
 			destination.x -= 1
-#			print("left")
 		Direction.RIGHT:
 			destination.x += 1
-#			print("right")
 	
-#	print(destination)
 	if (destination.x < 0 || destination.x >= columns
 	|| destination.y < 0 || destination.y >= rows):
 		print("impossible move")
@@ -178,3 +183,11 @@ func _on_GameState_state_changed(previous, current):
 	match current:
 		GameState.State.WINNING:
 			$Particles2D.emitting = true
+			$Timer.start(-1)
+		GameState.State.GAME_OVER:
+			$Timer.stop()
+
+func _on_Timer_timeout():
+	var game_state = get_node("/root/Main/GameState") as GameState
+	if game_state != null:
+		game_state.transition_to(GameState.State.GAME_OVER)

game/src/Taquin.tscn

@@ -81,3 +81,4 @@ process_material = SubResource( 2 )
 [node name="Timer" type="Timer" parent="."]
 wait_time = 2.0
 one_shot = true
+[connection signal="timeout" from="Timer" to="." method="_on_Timer_timeout"]