hey, i ben working on a map and i decided to make it for zombies. its is a city bigger than the size of the bedroom and its not even close to being done,anyways i have a base and i saw it on starshiptroopers 3.the bugs would go up and get eletricuted and die so i though thats what i'll do so heres my part i need help on.i need it to where i can turn it on and off so lets say i have people in with me,i can say people enjoy the show and all the zombies would b against the wall and i turn it on and they all burn. so if someone can tell me how you do that plz tell me. by the way i just dont know how you turn it on and off thanks for reading and try help me out