Different question. To make it easier why not handle the score in your gamemode or gamestate class?
You can fairly easily access them and this seems like a gamemode type of thing. Especially if it should be in the HUD 
Different question. To make it easier why not handle the score in your gamemode or gamestate class?
You can fairly easily access them and this seems like a gamemode type of thing. Especially if it should be in the HUD