connect 'solved' signal

game/src/Taquin.gd

@@ -2,12 +2,16 @@ extends Node2D
 class_name Taquin
 tool
 
+signal solved
+
 var Piece = preload("res://src/Piece.tscn")
 
 export var rows: int = 4
 export var columns: int = 4
 export var width: int = 512
 export var height: int = 512
+export var difficulty: int = 10
+
 var interpiece: int = 5
 var padding = 10
 
@@ -47,7 +51,7 @@ func _ready() -> void:
 
 		pieces.append(pieces_row)
 
-	shuffle(10)
+	shuffle(difficulty)
 
 func compute_piece_size() -> int:
 	var w_size: int = (width - (2 * padding) - ((columns - 1) * interpiece)) / columns
@@ -93,7 +97,7 @@ func move_piece(direction) -> bool:
 	
 	update()
 	if check_solved():
-		print("solved")
+		emit_signal("solved")
 	
 	return true