core game logic done

godot/scripts/globalvars.gd

@@ -6,10 +6,12 @@ var difficulty:int = 1
 var rotation_paused:bool = false
 var players_remaining:Array = [0,1,2,3]
 var current_solution:int
+var current_operand:String = ""
 
 func reset_variables() -> void:
 	selected_player = 0
 	seconds_left = 20.0
 	difficulty = 1
 	rotation_paused = false
+	current_operand = ""
 	players_remaining = [0,1,2,3]