Two Player Military Tycoon

--[[
-----------------------------
Controls:

f3 to turn on Kill all

f4 to stop
-----------------------------
Game:
https://www.roblox.com/games/190749311/8M-Two-Player-Military-Tycoon-v4
-----------------------------
Description:
as long as you have a Glock you will be able to kill all
-----------------------------
Credit:
Original: @Verm brianops16
-----------------------------
--]]

function codeB()
local plr = game.Players.LocalPlayer
local plrN = plr.Name
for a,player in pairs(game.Players:GetChildren()) do
    if player.Name ~= plrN then
        local enemy = game.Workspace:FindFirstChild(player.Name)
        local A_1 = game:GetService("Workspace")[enemy.Name].Humanoid
        local A_2 = 10
        local Event = game:GetService("Players")[plrN].Backpack["Glock 17"].Resource.Events.DamageEvent
        Event:FireServer(A_1, A_2)
    end
end
end
function codeW()
local plr = game.Players.LocalPlayer
local plrN = plr.Name
for a,player in pairs(game.Players:GetChildren()) do
    if player.Name ~= plrN then
        local enemy = game.Workspace:FindFirstChild(player.Name)
        local A_1 = game:GetService("Workspace")[enemy.Name].Humanoid
        local A_2 = 10
        local Event = game:GetService("Workspace")[plrN]["Glock 17"].Resource.Events.DamageEvent
        Event:FireServer(A_1, A_2)
    end
end
end
----

on = 1

----

local UIS = game:GetService("UserInputService")
UIS.InputBegan:connect(function(Input)
  local KeyCode = Input.KeyCode
  if KeyCode == Enum.KeyCode.F3 then
    on = 1
    wait(.2)
    while on == 1 do
      game:GetService('RunService').Stepped:wait(0)
      local good,bad = pcall(codeB)
      if good and on == 1 then
        codeB()
      else
        local good,bad = pcall(codeW)
         if good then
          codeW()
         else
            wait()
        end
    end
  end
end
end)
UIS.InputBegan:connect(function(Input)
  local KeyCode = Input.KeyCode
  if KeyCode == Enum.KeyCode.F4 then
    on = 0
  end
end)
--Description and controls at the top