--just put this on the top of a script and boom 89% works
--note this does not work on big scripts
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
    local rp = RealPlayer
    script.Parent = rp.Character

    --RemoteEvent for communicating
    local Event = Instance.new("RemoteEvent")
    Event.Name = "UserInput_Event"

    --Fake event to make stuff like Mouse.KeyDown work
    local function fakeEvent()
        local t = {_fakeEvent=true,Functions={},Connect=function(self,f)table.insert(self.Functions,f) end}
        t.connect = t.Connect
        return t
    end

    --Creating fake input objects with fake variables
    local m = {Target=nil,Hit=CFrame.new(),KeyUp=fakeEvent(),KeyDown=fakeEvent(),Button1Up=fakeEvent(),Button1Down=fakeEvent()}
    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 te(self,ev,...)
        local t = m[ev]
        if t and t._fakeEvent then
            for _,f in pairs(t.Functions) do
                f(...)
            end
        end
    end
    m.TrigEvent = te
    UIS.TrigEvent = te

    Event.OnServerEvent:Connect(function(plr,io)
        if plr~=rp then return end
        m.Target = io.Target
        m.Hit = io.Hit
        if not io.isMouse then
            local b = io.UserInputState == Enum.UserInputState.Begin
            if io.UserInputType == Enum.UserInputType.MouseButton1 then
                return m:TrigEvent(b and "Button1Down" or "Button1Up")
            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
            m:TrigEvent(b and "KeyDown" or "KeyUp",io.KeyCode.Name:lower())
            UIS:TrigEvent(b and "InputBegan" or "InputEnded",io,false)
        end
    end)
    Event.Parent = NLS([==[
    local Player = game:GetService("Players").LocalPlayer
    local Event = script:WaitForChild("UserInput_Event")

    local Mouse = Player:GetMouse()
    local UIS = game:GetService("UserInputService")
    local input = function(io,a)
        if a 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 30 times every second, but only if the values changed
    --If player is not moving their mouse, client won't fire events
    while wait(1/30) 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
    end]==],Player.Character)

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

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

    --Fake game object
    local g = {
        GetService = function(self,s)
            return self[s]
        end,
        Players = FakeService({
            LocalPlayer = FakeService({GetMouse=function(self)return m end},Player)
        },"Players"),
        UserInputService = FakeService(UIS,"UserInputService"),
        ContextActionService = FakeService(CAS,"ContextActionService"),
    }
    rawset(g.Players,"localPlayer",g.Players.LocalPlayer)
    g.service = g.GetService

    g.RunService = FakeService({
        RenderStepped = _rg: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")

    setmetatable(g,{
        __index=function(self,s)
            return _rg:GetService(s) or typeof(_rg[s])=="function"
            and function(_,...)return _rg[s](_rg,...)end or _rg[s]
        end,
        __newindex = fsmt.__newindex,
        __call = fsmt.__call
    })
    --Changing owner to fake player object to support owner:GetMouse()
    game,owner = g,g.Players.LocalPlayer
end




repeat wait() until game:IsLoaded() and game:service("Players").LocalPlayer.Character ~= nil;
wait(0.4)
for i, v in pairs(game:service("Players").LocalPlayer.Character:children()) do
if v ~= script then
v:Destroy()
end
end

local player = game:service("Players").LocalPlayer
local mouse = player:GetMouse()
local cam = workspace.CurrentCamera
local char = player.Character
local Torsoz = char:findFirstChild("Torso")
local NV = Vector3.new()
local Main
local W,S = false,false
local DoublePress = {nil,0}
script.Parent = char

local TrailParts = {}
local Acceleration = 0.08
local Speed = 0
local MinSpeed = 0
local MaxSpeed = 3.2
local DesiredDirection = cam.CoordinateFrame.lookVector
local Direction = DesiredDirection
local Roll = 0
local AllowTrails = true

script.Name = "AdvFlight"

local P = Instance.new("Part")
P.Anchored = true
P.CanCollide = false
P.Name = "Part"
P.formFactor = "Custom"
P.Size = Vector3.new(0.2,0.2,0.2)
P.Locked = true
P.TopSurface = 10
P.BottomSurface = 10
P.FrontSurface = 10
P.BackSurface = 10
P.LeftSurface = 10
P.RightSurface = 10
P.Material = "Pebble"
P.BrickColor = BrickColor.new("White")

local shipp
local shadow
local campart

function RAY(pos, dir, startpos, endpos, distleft, collidedlist)
collidedlist = collidedlist or {char}
startpos = startpos or pos
distleft = distleft or dir.unit * dir.magnitude
endpos = endpos or pos + distleft
local ray = Ray.new(pos, distleft)
local hitz,enz = workspace:FindPartOnRayWithIgnoreList(ray, collidedlist)
if hitz ~= nil then
if hitz.CanCollide == false then
table.insert(collidedlist, hitz)
local newpos = enz
local newdistleft = distleft - (dir.unit * (pos - newpos).magnitude)
if newdistleft ~= NV then
return RAY(newpos-(dir*0.01), dir, startpos, endpos, newdistleft+(dir*0.01), collidedlist)
end
end
end
return hitz, enz, ray
end

function FindSurface(part, position)
local obj = part.CFrame:pointToObjectSpace(position)
local siz = part.Size/2
for i,v in pairs(Enum.NormalId:GetEnumItems()) do
local vec = Vector3.FromNormalId(v)
local wvec = part.CFrame:vectorToWorldSpace(vec)
local vz = (obj)/(siz*vec)
if (math.abs(vz.X-1) < 0.01 or math.abs(vz.Y-1) < 0.01 or math.abs(vz.Z-1) < 0.01) then
return wvec,vec
end
end
if part.className == "WedgePart" then
return part.CFrame:vectorToWorldSpace(Vector3.new(0,0.707,-0.707)), Vector3.new(0,0.707,-0.707)
end
end

function HSV(H,S,V)
H = H % 360
local C = V * S
local H2 = H/60
local X = C * (1 - math.abs((H2 %2) -1))
local color = Color3.new(0,0,0)
if H2 <= 0 then
color = Color3.new(C,0,0)
elseif 0 <= H2 and H2 <= 1 then
color = Color3.new(C,X,0)
elseif 1 <= H2 and H2 <= 2 then
color = Color3.new(X,C,0)
elseif 2 <= H2 and H2 <= 3 then
color = Color3.new(0,C,X)
elseif 3 <= H2 and H2 <= 4 then
color = Color3.new(0,X,C)
elseif 4 <= H2 and H2 <= 5 then
color = Color3.new(X,0,C)
elseif 5 <= H2 and H2 <= 6 then
color = Color3.new(C,0,X)
end
local m = V - C
return Color3.new(color.r + m, color.g + m, color.b + m)
end

function Build(shiptype)
AllowTrails = true
for i, v in pairs(char:children()) do
if v.className == "Model" and v.Name == "Ship" then
v:remove()
end
end
for i, v in pairs(TrailParts) do
for _,V in pairs(v[3]) do
V:Destroy()
end
end
local mdl = Instance.new("Model", char)
mdl.Name = "Ship"

------------------------ Speeder Ship Type -----------------------------
if shiptype == "Speeder" then

shipp = P:Clone()
shipp.Parent = mdl
shipp.Size = Vector3.new(1,1,2.2)
local shipwing1 = P:Clone()
shipwing1.Parent = mdl
shipwing1.Size = Vector3.new(0.6,1.2,2)
local mesh = Instance.new("SpecialMesh", shipwing1)
mesh.MeshType = "Wedge"
local shipwing2 = shipwing1:Clone()
shipwing2.Parent = mdl
campart = P:Clone()
campart.Transparency = 1
local shipwing21 = P:Clone()
shipwing21.Parent = mdl
shipwing21.Size = Vector3.new(0.32,1.1,2.6)
local mesh = Instance.new("SpecialMesh", shipwing21)
mesh.MeshType = "Wedge"
local shipwing22 = shipwing21:Clone()
shipwing22.Parent = mdl
campart = P:Clone()
campart.Transparency = 1

local shipwi = P:Clone()
shipwi.Parent = mdl
shipwi.Size = Vector3.new(1,1,1.2)
local mesh = Instance.new("SpecialMesh", shipwi)
mesh.MeshType = "Wedge"
local shipwi2 = P:Clone()
shipwi2.Parent = mdl
shipwi2.Size = Vector3.new(0.7,0.7,0.84)
shipwi2.Material = "SmoothPlastic"
shipwi2.BrickColor = BrickColor.new("Pastel blue")
shipwi2.Reflectance = 0.6
local mesh = Instance.new("SpecialMesh", shipwi2)
mesh.MeshType = "Wedge"

shadow = P:Clone()
shadow.Parent = mdl
shadow.Name = "Shadow"
shadow.Material = "SmoothPlastic"
shadow.BrickColor = BrickColor.new("Really black")
local mesh = Instance.new("SpecialMesh",shadow)
mesh.MeshType = "Sphere"

TrailParts = {}
table.insert(TrailParts,{shipp,1,{},cam.CoordinateFrame.p,CFrame.new(0,0,1),0.5,18})
table.insert(TrailParts,{shipwing1,1,{},cam.CoordinateFrame.p,CFrame.new(0,0.45,1),0.3,15})
table.insert(TrailParts,{shipwing2,1,{},cam.CoordinateFrame.p,CFrame.new(0,0.45,1),0.3,15})
for _, V in pairs(TrailParts) do
for i = 1, V[7] do
local p = P:Clone()
local mesh = Instance.new("SpecialMesh", p)
mesh.MeshId = "http://www.roblox.com/asset/?id=9856898"
mesh.TextureId = "http://www.roblox.com/asset/?id=48358980"
p.BrickColor = BrickColor.new("Dark stone grey")
table.insert(V[3],p)
end
end

function ReposParts()
shipwing1.CFrame = shipp.CFrame * CFrame.new(-1.1,-0.195,-0.14) * CFrame.Angles(0,0,math.pi/2)
shipwing2.CFrame = shipp.CFrame * CFrame.new(1.1,-0.195,-0.14) * CFrame.Angles(0,0,-math.pi/2)
shipwing21.CFrame = shipp.CFrame * CFrame.new(-1.05,-0.34,-0.45) * CFrame.Angles(0,0,math.pi/2)
shipwing22.CFrame = shipp.CFrame * CFrame.new(1.05,-0.34,-0.45) * CFrame.Angles(0,0,-math.pi/2)
shipwi.CFrame = shipp.CFrame * CFrame.new(0,0,-1.7)
shipwi2.CFrame = shipwi.CFrame * CFrame.new(0,0.015,-0.015)
campart.CFrame = shipp.CFrame + Vector3.new(0,1.5,0)
end
cam.CameraSubject = campart
cam.CameraType = "Track"

shipp.CFrame = CFrame.new(NV,Direction) + cam.CoordinateFrame.p
ReposParts()

end

AllowTrails = true
end
Build("Speeder")

function B1D()
Build("Speeder")
end

function RollThatSht(direc)
if Roll == 0 then
for i = 1, 50 do
Roll = (-360 + math.cos(math.pi/50*i) * 360) * direc
wait(0.02)
end
Roll = 0
end
end

function KD(key)
if key == "w" then
W = true
elseif key == "s" then
S = true
end

local rollpls = 0
if key == DoublePress[1] and tick() - DoublePress[2] < 0.32 then
DoublePress = {nil,0}
if key == "a" then
rollpls = -1
elseif key == "d" then
rollpls = 1
end
end

DoublePress = {key,tick()}
if rollpls ~= 0 then
RollThatSht(rollpls)
end
end

function KU(key)
if key == "w" then
W = false
elseif key == "s" then
S = false
end
end

function Equip()
end

function Unequip()
end

mouse.Icon = "rbxasset://textures\\GunCursor.png"
mouse.Button1Down:connect(B1D)
mouse.KeyDown:connect(KD)
mouse.KeyUp:connect(KU)



local count = 0
local hue = 0
--game:GetService("RunService").Stepped:connect(function()
while wait(0.02) do

------ Speed --------
local valu = (0.002*MaxSpeed) + ((Speed/MaxSpeed)*Acceleration)
if W == true then
Speed = Speed + valu
elseif S == true then
Speed = Speed - valu
end
if Speed > MaxSpeed then
Speed = MaxSpeed
elseif Speed < MinSpeed then
Speed = MinSpeed
end

------ left/right tilt ---------
local target = 180 + math.floor(math.deg(math.atan2(DesiredDirection.x,DesiredDirection.z)))
local current = 180 + math.floor(math.deg(math.atan2(Direction.x,Direction.z)))
local swing = 0
if math.abs(math.abs(current-target) - 360) > math.abs(target-current) then
swing = target-current
else
swing = (current > target and -(math.abs(current-target) - 360)) or (current < target and math.abs(current-target) - 360)
end

DesiredDirection = cam.CoordinateFrame.lookVector
------ direction smoothening ------
local dir = DesiredDirection.unit
if Direction ~= dir then
if (Direction - dir).magnitude < 0.01 then
Direction = dir
else
local dist = ((dir - Direction).unit * (dir - Direction).magnitude) /10
Direction = (Direction + dist).unit
end
end

shipp.CFrame = (CFrame.new(NV,Direction) + shipp.Position + (Direction.unit * Speed)) * CFrame.Angles(0,0,math.rad(Roll) + math.rad(swing/2))
ReposParts()

------ shadow ------
local ghitz, genz = RAY(shipp.Position,Vector3.new(0,-26,0))
local angles = CFrame.new()
if ghitz ~= nil and ghitz.className ~= "Terrain" and ((ghitz.className == "Part" and ghitz.Shape == Enum.PartType.Block) or (ghitz.className ~= "Part" and ghitz:IsA("BasePart"))) then
local wvec,vec = FindSurface(ghitz,genz)
angles = CFrame.new(NV,wvec) * CFrame.Angles(-math.pi/2,0,0)
elseif ghitz ~= nil and (ghitz.className == "Part" and ghitz.Shape == Enum.PartType.Ball) then
angles = (CFrame.new(ghitz.Position, genz) - ghitz.Position) * CFrame.Angles(-math.pi/2,0,0)
end
shadow.CFrame = CFrame.new(genz) * angles
shadow.Transparency = 0.5 + (((shipp.Position - genz).magnitude /26)*0.5)
shadow.Mesh.Scale = (Vector3.new(4.4,0.25,4.4) * 5) * (1-(shipp.Position - genz).magnitude /26)

------- Trails -----------------------
if AllowTrails == true then
count = (count+1)%1
hue = (hue+1) % 360
local rgb = HSV(hue,0.65,0.85)
for _,v in pairs(TrailParts) do
local to = (v[1].CFrame * v[5]).p
if Speed > MinSpeed + 0.2 then
v[2] = (v[2]%#v[3]) + 1
v[3][v[2]].CFrame = CFrame.new((v[4] + to)/2,to) * CFrame.Angles(math.pi/2,math.rad(Roll) + math.rad(swing/2),0)
v[3][v[2]].Mesh.Scale = Vector3.new(v[6],(v[4] - to).magnitude*2,v[6])
v[3][v[2]].Mesh.VertexColor = Vector3.new(rgb.r,rgb.g,rgb.b)
v[3][v[2]].Transparency = 0.15
v[3][v[2]].Parent = game.Players.LocalPlayer.Character
else
v[2] = (v[2]%#v[3]) + 1
v[3][v[2]].Parent = nil
end

v[4] = to
end
end

end