FE Laser gun?

if game:GetService("RunService"):IsClient() then error("Please run as a server script. Use h/ instead of hl/.") end
print("FE Compatibility: by WaverlyCole & Mokiros")
InternalData = {}
do
    script.Parent = owner.Character
    local Event = Instance.new("RemoteEvent")
    Event.Name = "UserInput"
    local function NewFakeEvent()
        local Fake = {fakeEvent=true,Connect=function(self,Func)self.Function=Func end}Fake.connect = Fake.Connect
        return Fake
    end
    local Mouse = {Target=nil,Hit=CFrame.new(),KeyUp=NewFakeEvent(),KeyDown=NewFakeEvent(),Button1Up=NewFakeEvent(),Button1Down=NewFakeEvent()}
    local UserInputService = {InputBegan=NewFakeEvent(),InputEnded=NewFakeEvent()}
    local ContextActionService = {Actions={},BindAction = function(self,actionName,Func,touch,...)
        self.Actions[actionName] = Func and {Name=actionName,Function=Func,Keys={...}} or nil
    end};ContextActionService.UnBindAction = ContextActionService.BindAction
    local function TriggerEvent(self,Event,...)
        local Trigger = Mouse[Event]
        if Trigger and Trigger.fakeEvent and Trigger.Function then
            Trigger.Function(...)
        end
    end
    Mouse.TrigEvent = TriggerEvent
    UserInputService.TrigEvent = TriggerEvent
    Event.OnServerEvent:Connect(function(FiredBy,Input)
        if FiredBy.Name ~= owner.Name then end
        if Input.MouseEvent then
            Mouse.Target = Input.Target
            Mouse.Hit = Input.Hit
        else
            local Begin = Input.UserInputState == Enum.UserInputState.Begin
            if Input.UserInputType == Enum.UserInputType.MouseButton1 then
                return Mouse:TrigEvent(Begin and "Button1Down" or "Button1Up")
            end
            for _,Action in pairs(ContextActionService.Actions) do
                for _,Key in pairs(Action.Keys) do
                    if Key==Input.KeyCode then
                        Action.Function(Action.Name,Input.UserInputState,Input)
                    end
                end
            end
            Mouse:TrigEvent(Begin and "KeyDown" or "KeyUp",Input.KeyCode.Name:lower())
            UserInputService:TrigEvent(Begin and "InputBegan" or "InputEnded",Input,false)
        end
    end)
    InternalData["Mouse"] = Mouse
    InternalData["ContextActionService"] = ContextActionService
    InternalData["UserInputService"] = UserInputService
    Event.Parent = NLS([[
        local Player = owner
        local Event = script:WaitForChild("UserInput")
        local UserInputService = game:GetService("UserInputService")
        local Mouse = Player:GetMouse()
        local Input = function(Input,gameProcessedEvent)
            if gameProcessedEvent then return end
            Event:FireServer({KeyCode=Input.KeyCode,UserInputType=Input.UserInputType,UserInputState=Input.UserInputState})
        end
        UserInputService.InputBegan:Connect(Input)
        UserInputService.InputEnded:Connect(Input)
        local Hit,Target
        while wait(1/30) do
            if Hit ~= Mouse.Hit or Target ~= Mouse.Target then
                Hit,Targer = Mouse.Hit,Mouse.Target
                Event:FireServer({["MouseEvent"]=true,["Target"]=Target,["Hit"]=Hit})
            end
        end
    ]],owner.Character)
end
RealGame = game;game = setmetatable({},{
    __index = function (self,Index)
        local Sandbox = function (Thing)
            if Thing:IsA("Player") then
                local RealPlayer = Thing
                return setmetatable({},{
                    __index = function (self,Index)
                        local Type = type(RealPlayer[Index])
                        if Type == "function" then
                            if Index:lower() == "getmouse" or Index:lower() == "mouse" then
                                return function (self)
                                    return InternalData["Mouse"]
                                end
                            end
                            return function (self,...)
                                return RealPlayer[Index](RealPlayer,...)
                            end
                        else
                            return RealPlayer[Index]
                        end
                    end;
                    __tostring = function(self)
                        return RealPlayer.Name
                    end
                })
            end
        end
        if RealGame[Index] then
            local Type = type(RealGame[Index])
            if Type == "function" then
                if Index:lower() == "getservice" or Index:lower() == "service" then
                    return function (self,Service)
                        if Service:lower() == "players" then
                            return setmetatable({},{
                                __index = function (self2,Index2)
                                    local RealService = RealGame:GetService(Service)
                                    local Type2 = type(Index2)
                                    if Type2 == "function" then
                                        return function (self,...)
                                            return RealService[Index2](RealService,...)
                                        end
                                    else
                                        if Index2:lower() == "localplayer" then
                                            return Sandbox(owner)
                                        end
                                        return RealService[Index2]
                                    end
                                end;
                                __tostring = function(self)
                                    return RealGame:GetService(Service).Name
                                end
                            })
                        elseif Service:lower() == "contextactionservice" then
                            return InternalData["ContextActionService"]
                        elseif Service:lower() == "contextactionservice" then
                            return InternalData["UserInputService"]
                        elseif Service:lower() == "runservice" then
                            return setmetatable({},{
                                __index = function(self2,Index2)
                                    local RealService = RealGame:GetService(Service)
                                    local Type2 = type(Index2)
                                    if Type2 == "function" then
                                        return function (self,...)
                                            return RealService[Index2](RealService,...)
                                        end
                                    else
                                        if Index2:lower() == "bindtorenderstep" then
                                            return function (self,Name,Priority,Function)
                                                return RealGame:GetService("RunService").Stepped:Connect(Function)
                                            end
                                        end
                                        if Index2:lower() == "renderstepped" then
                                            return RealService["Stepped"]
                                        end
                                        return RealService[Index2]
                                    end
                                end
                            })
                        else
                            return RealGame:GetService(Service)
                        end
                    end
                end
                return function (self,...)
                    return RealGame[Index](RealGame,...)
                end
            else
                if game:GetService(Index) then
                    return game:GetService(Index)
                end
                return RealGame[Index]
            end
        else
            return nil
        end
    end
});Game = game;owner = game:GetService("Players").LocalPlayer;script = {}
print("Complete! Running...")


--//Paste script below this line.

----------------------------------------
 -- 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=owner
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://306197164'
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
par=part:Clone()
table.insert(particles,par)
par.Parent=beamm
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)