dundun gun FE

--https://github.com/Mokiros/roblox-if game:GetService("RunService"):IsClient()then error("Please run as a server script. Us--https://github.com/Mokiros/roblox-FE-compatibility
if game:GetService("RunService"):IsClient() then error("Script must be server-side in order to work; use h/ and not hl/") end
local Player,game,owner = owner,game
local RealPlayer = Player
do
	print("FE Compatibility code V2 by Mokiros")
	local RealPlayer = RealPlayer
	script.Parent = RealPlayer.Character

	--Fake event to make stuff like Mouse.KeyDown work
	local Disconnect_Function = function(this)
		this[1].Functions[this[2]] = nil
	end
	local Disconnect_Metatable = {__index={disconnect=Disconnect_Function,Disconnect=Disconnect_Function}}
	local FakeEvent_Metatable = {__index={
		Connect = function(this,f)
			local i = tostring(math.random(0,10000))
			while this.Functions[i] do
				i = tostring(math.random(0,10000))
			end
			this.Functions[i] = f
			return setmetatable({this,i},Disconnect_Metatable)
		end
	}}
	FakeEvent_Metatable.__index.connect = FakeEvent_Metatable.__index.Connect
	local function fakeEvent()
		return setmetatable({Functions={}},FakeEvent_Metatable)
	end

	--Creating fake input objects with fake variables
    local FakeMouse = {Hit=CFrame.new(),KeyUp=fakeEvent(),KeyDown=fakeEvent(),Button1Up=fakeEvent(),Button1Down=fakeEvent(),Button2Up=fakeEvent(),Button2Down=fakeEvent()}
    FakeMouse.keyUp = FakeMouse.KeyUp
    FakeMouse.keyDown = FakeMouse.KeyDown
	local UIS = {InputBegan=fakeEvent(),InputEnded=fakeEvent()}
	local CAS = {Actions={},BindAction=function(self,name,fun,touch,...)
		CAS.Actions[name] = fun and {Name=name,Function=fun,Keys={...}} or nil
	end}
	--Merged 2 functions into one by checking amount of arguments
	CAS.UnbindAction = CAS.BindAction

	--This function will trigger the events that have been :Connect()'ed
	local function TriggerEvent(self,ev,...)
		for _,f in pairs(self[ev].Functions) do
			f(...)
		end
	end
	FakeMouse.TriggerEvent = TriggerEvent
	UIS.TriggerEvent = TriggerEvent

	--Client communication
	local Event = Instance.new("RemoteEvent")
	Event.Name = "UserInput_Event"
	Event.OnServerEvent:Connect(function(plr,io)
	    if plr~=RealPlayer then return end
		FakeMouse.Target = io.Target
		FakeMouse.Hit = io.Hit
		if not io.isMouse then
			local b = io.UserInputState == Enum.UserInputState.Begin
			if io.UserInputType == Enum.UserInputType.MouseButton1 then
				return FakeMouse:TriggerEvent(b and "Button1Down" or "Button1Up")
			end
			if io.UserInputType == Enum.UserInputType.MouseButton2 then
				return FakeMouse:TriggerEvent(b and "Button2Down" or "Button2Up")
			end
			for _,t in pairs(CAS.Actions) do
				for _,k in pairs(t.Keys) do
					if k==io.KeyCode then
						t.Function(t.Name,io.UserInputState,io)
					end
				end
			end
			FakeMouse:TriggerEvent(b and "KeyDown" or "KeyUp",io.KeyCode.Name:lower())
			UIS:TriggerEvent(b and "InputBegan" or "InputEnded",io,false)
	    end
	end)
	Event.Parent = NLS([==[local Event = script:WaitForChild("UserInput_Event")
	local Mouse = owner:GetMouse()
	local UIS = game:GetService("UserInputService")
	local input = function(io,RobloxHandled)
		if RobloxHandled then return end
		--Since InputObject is a client-side instance, we create and pass table instead
		Event:FireServer({KeyCode=io.KeyCode,UserInputType=io.UserInputType,UserInputState=io.UserInputState,Hit=Mouse.Hit,Target=Mouse.Target})
	end
	UIS.InputBegan:Connect(input)
	UIS.InputEnded:Connect(input)

	local h,t
	--Give the server mouse data every second frame, but only if the values changed
	--If player is not moving their mouse, client won't fire events
	local HB = game:GetService("RunService").Heartbeat
	while true do
		if h~=Mouse.Hit or t~=Mouse.Target then
			h,t=Mouse.Hit,Mouse.Target
			Event:FireServer({isMouse=true,Target=t,Hit=h})
		end
		--Wait 2 frames
		for i=1,2 do
			HB:Wait()
		end
	end]==],script)

	----Sandboxed game object that allows the usage of client-side methods and services
	--Real game object
	local RealGame = game

	--Metatable for fake service
	local FakeService_Metatable = {
		__index = function(self,k)
			local s = rawget(self,"_RealService")
			if s then
				return typeof(s[k])=="function"
				and function(_,...)return s[k](s,...)end or s[k]
			end
		end,
		__newindex = function(self,k,v)
			local s = rawget(self,"_RealService")
			if s then s[k]=v end
		end
	}
	local function FakeService(t,RealService)
		t._RealService = typeof(RealService)=="string" and RealGame:GetService(RealService) or RealService
		return setmetatable(t,FakeService_Metatable)
	end

	--Fake game object
	local FakeGame = {
		GetService = function(self,s)
			return rawget(self,s) or RealGame:GetService(s)
		end,
		Players = FakeService({
			LocalPlayer = FakeService({GetMouse=function(self)return FakeMouse end},Player)
		},"Players"),
		UserInputService = FakeService(UIS,"UserInputService"),
		ContextActionService = FakeService(CAS,"ContextActionService"),
		RunService = FakeService({
			_btrs = {},
			RenderStepped = RealGame:GetService("RunService").Heartbeat,
			BindToRenderStep = function(self,name,_,fun)
				self._btrs[name] = self.Heartbeat:Connect(fun)
			end,
			UnbindFromRenderStep = function(self,name)
				self._btrs[name]:Disconnect()
			end,
		},"RunService")
	}
	rawset(FakeGame.Players,"localPlayer",FakeGame.Players.LocalPlayer)
	FakeGame.service = FakeGame.GetService
	FakeService(FakeGame,game)
	--Changing owner to fake player object to support owner:GetMouse()
	game,owner = FakeGame,FakeGame.Players.LocalPlayer
end
----------------------------------------
 -- Originally made by Alfederate :D --
----------------------------------------

 -- there's no time to explain! --

local new=Instance.new
local rad=math.rad
local cf=CFrame.new
local v3=Vector3.new
local ang=function(x,y,z)
return CFrame.Angles(rad(x),rad(y),rad(z))
end
local player=game:service'Players'.LocalPlayer
local char=player.Character
local cam=workspace.Camera
local mouse=player:GetMouse()
local weld=function(a,b,c0,c1)
m=Instance.new('Motor',a)
m.Part0=a
m.Part1=b
m.C0=c0
m.C1=c1
return m
end

snd='rbxassetid://283166091'
beamm=Instance.new('Model',workspace)
beamm.Name='beam'

laser=false

rs=Instance.new('Part',char)
rs.Transparency=1
rs.CanCollide=false
rs.TopSurface,rs.BottomSurface=0,0
rs.FormFactor=3
rs.Size=Vector3.new(.5,.5,.5)

ls=rs:Clone()
ls.Parent=char

rsw=weld(rs,char.Torso,cf(-1,-.5,0),cf())
lsw=weld(ls,char.Torso,cf(1,-.5,0),cf())
raw=weld(char['Right Arm'],rs,cf(-.5,.6,-.14),ang(90,0,-8))
law=weld(char['Left Arm'],ls,cf(-.3,1.5,-.14),ang(90,0,43))

s1=Instance.new('Sound',char)
s1.Volume=1
s1.Pitch=1
s1.Looped=true
s1.SoundId=snd

particles={}

local wep=new('Part',char)
wep.FormFactor=3
wep.CanCollide=false
wep.Size=v3(1,3,1)
wep.TopSurface,wep.BottomSurface=0,0
local wepw=weld(wep,char['Right Arm'],cf(.26,.4,.7),ang(0,0,8))

local beam=wep:Clone()
beam:ClearAllChildren()
beam.Material='Neon'
beam.BrickColor=BrickColor.new('Toothpaste')
beam.Size=Vector3.new(3,3,1)
beam.Transparency=.5
beam.Anchored=true
local ms=Instance.new('BlockMesh',beam)
local inner=beam:Clone()
inner.Transparency=0
inner.Material='SmoothPlastic'
inner.BrickColor=BrickColor.new('Navy blue')
local ms2=inner.Mesh

local expl=inner:Clone()
expl.Mesh:Destroy()
expl.Material='Neon'
expl.BrickColor=BrickColor.new('Toothpaste')
expl.Size=Vector3.new(11,11,11)
expl.Transparency=.55
pl=Instance.new('PointLight',expl)
pl.Color=expl.BrickColor.Color
pl.Range=pl.Range*2
pl.Name='light'
local br=pl.Range

local exa=expl:Clone()
exa.Size=Vector3.new(4,4,4)
pl2=exa.light

local part=exa:Clone()
part.Size=Vector3.new(1.5,1.5,1.5)
pl3=part.light
pms=Instance.new('BlockMesh',part)

char.Humanoid.Died:connect(function()
laser=false
beam.Parent=nil
inner.Parent=nil
expl.Parent=nil
exa.Parent=nil
s1:stop()
end)

mouse.Button1Down:connect(function() if char.Humanoid.Health~=0 then
laser=true
s1.Volume=1
s1:play()
end end)
mouse.Button1Up:connect(function()
laser=false
beam.Parent=nil
inner.Parent=nil
expl.Parent=nil
exa.Parent=nil
s1:stop()
end)

parti=0
game:service'RunService'.Stepped:connect(function()
parti=parti+1
for i,v in pairs(particles) do
v.CFrame=v.CFrame*CFrame.new(0,0,-.3)
v.Transparency=v.Transparency+.08
if v.Transparency >= 1 then
v:Destroy()
table.remove(particles,i)
else
v.Parent=beamm
end
end
a=cam.CoordinateFrame.p
b=mouse.Hit.p
mhitr=Ray.new(a,(b-a).unit*999)
mhit,ps=workspace:FindPartOnRayWithIgnoreList(mhitr,{char,beamm})
raw.C1=ang(90+(mouse.Hit.lookVector.y*90),0,-8)
law.C1=ang(90+(mouse.Hit.lookVector.y*90),0,43)
if not char.Humanoid.Sit and not char.Humanoid.PlatformStand then
char.Torso.CFrame=CFrame.new(char.Torso.CFrame.p,Vector3.new(ps.x,char.Torso.CFrame.p.y,ps.z))
end
if laser then
beamm.Parent=workspace
beam.Parent=beamm
inner.Parent=beamm
expl.Parent=beamm
exa.Parent=beamm
s1.Volume=s1.Volume-.002

ray=Ray.new((wep.CFrame*cf(0,-1.5,0)).p,((wep.CFrame*cf(0,-10,0)).p-(wep.CFrame*cf(0,-1.5,0)).p).unit*999)
hit,pos=workspace:FindPartOnRayWithIgnoreList(ray,{char,beamm})

if hit and hit.Parent:findFirstChild('Humanoid') and s1.Volume > .3 and parti/8==math.floor(parti/8) then
Instance.new('Explosion',workspace).Position=pos
end
if hit and hit.Parent==workspace.Terrain or hit==workspace.Terrain and parti/8==math.floor(parti/8) then
e=Instance.new('Explosion',workspace)
e.Position=pos
e.BlastRadius=14
e.BlastPressure=1e4
end
if hit and not hit.Anchored and not (hit:GetMass()>1e4) then
hit.Velocity=hit.Velocity+beam.CFrame.lookVector*(1*s1.Volume*hit:GetMass())
end

if parti==math.floor(parti) then
table.insert(particles,par)
par.Transparency=1-s1.Volume
par.light.Range=br*s1.Volume
par.CFrame=cf(pos)*ang(math.random(-180,180),math.random(-180,180),math.random(-180,180))*cf(0,0,-10)
end

mag=((wep.CFrame*cf(0,-1.5,0)).p-pos).magnitude
ms.Scale=v3(s1.Volume,s1.Volume,mag)
ms2.Scale=v3(ms.Scale.x/2,ms.Scale.y/2,mag-(.1/mag))
beam.CFrame=cf((wep.CFrame*cf(0,-1.5,0)).p,pos)*cf(0,0,-mag/2)*ang(0,0,math.random(0,180))
inner.CFrame=beam.CFrame
pl.Range=br*s1.Volume
pl2.Range=br*s1.Volume
expl.Size=v3(math.random(9,13),math.random(9,13),math.random(9,13))*s1.Volume
expl.Transparency=math.random(40,60)/100
expl.CFrame=cf(pos)*ang(math.random(0,180),math.random(0,180),math.random(0,180))
exa.Size=v3(4,4,4)*s1.Volume
exa.CFrame=wep.CFrame*cf(0,-1.5,0)*ang(math.random(0,180),math.random(0,180),math.random(0,180))
char.Torso.Velocity=char.Torso.Velocity-beam.CFrame.lookVector*(7*s1.Volume)
end
end)