Fly Script (No Gui)

repeat wait()
    until game.Players.LocalPlayer and game.Players.LocalPlayer.Character and game.Players.LocalPlayer.Character:findFirstChild("Torso") and game.Players.LocalPlayer.Character:findFirstChild("Humanoid")
    local mouse = game.Players.LocalPlayer:GetMouse()
    repeat wait() until mouse
    local plr = game.Players.LocalPlayer
    local torso = plr.Character.Torso
    local flying = true
    local deb = true
    local ctrl = {f = 0, b = 0, l = 0, r = 0}
    local lastctrl = {f = 0, b = 0, l = 0, r = 0}
    local maxspeed = 50
    local speed = 0

    function Fly()
        local bg = Instance.new("BodyGyro", torso)
        bg.P = 9e4
        bg.maxTorque = Vector3.new(9e9, 9e9, 9e9)
        bg.cframe = torso.CFrame
        local bv = Instance.new("BodyVelocity", torso)
        bv.velocity = Vector3.new(0,0.1,0)
        bv.maxForce = Vector3.new(9e9, 9e9, 9e9)
        repeat wait()
            plr.Character.Humanoid.PlatformStand = true
            if ctrl.l + ctrl.r ~= 0 or ctrl.f + ctrl.b ~= 0 then
                speed = speed+.5+(speed/maxspeed)
                if speed > maxspeed then
                    speed = maxspeed
                end
            elseif not (ctrl.l + ctrl.r ~= 0 or ctrl.f + ctrl.b ~= 0) and speed ~= 0 then
                speed = speed-1
                if speed < 0 then
                    speed = 0
                end
            end
            if (ctrl.l + ctrl.r) ~= 0 or (ctrl.f + ctrl.b) ~= 0 then
                bv.velocity = ((game.Workspace.CurrentCamera.CoordinateFrame.lookVector * (ctrl.f+ctrl.b)) + ((game.Workspace.CurrentCamera.CoordinateFrame * CFrame.new(ctrl.l+ctrl.r,(ctrl.f+ctrl.b)*.2,0).p) - game.Workspace.CurrentCamera.CoordinateFrame.p))*speed
                lastctrl = {f = ctrl.f, b = ctrl.b, l = ctrl.l, r = ctrl.r}
            elseif (ctrl.l + ctrl.r) == 0 and (ctrl.f + ctrl.b) == 0 and speed ~= 0 then
                bv.velocity = ((game.Workspace.CurrentCamera.CoordinateFrame.lookVector * (lastctrl.f+lastctrl.b)) + ((game.Workspace.CurrentCamera.CoordinateFrame * CFrame.new(lastctrl.l+lastctrl.r,(lastctrl.f+lastctrl.b)*.2,0).p) - game.Workspace.CurrentCamera.CoordinateFrame.p))*speed
            else
                bv.velocity = Vector3.new(0,0.1,0)
            end
            bg.cframe = game.Workspace.CurrentCamera.CoordinateFrame * CFrame.Angles(-math.rad((ctrl.f+ctrl.b)*50*speed/maxspeed),0,0)
        until not flying
        ctrl = {f = 0, b = 0, l = 0, r = 0}
        lastctrl = {f = 0, b = 0, l = 0, r = 0}
        speed = 0
        bg:Destroy()
        bv:Destroy()
        plr.Character.Humanoid.PlatformStand = false
    end
    mouse.KeyDown:connect(function(key)
        if key:lower() == "e" then
            if flying then flying = false
            else
                flying = true
                Fly()
            end
        elseif key:lower() == "w" then
            ctrl.f = 1
        elseif key:lower() == "s" then
            ctrl.b = -1
        elseif key:lower() == "a" then
            ctrl.l = -1
        elseif key:lower() == "d" then
            ctrl.r = 1
        end
    end)
    mouse.KeyUp:connect(function(key)
        if key:lower() == "w" then
            ctrl.f = 0
        elseif key:lower() == "s" then
            ctrl.b = 0
        elseif key:lower() == "a" then
            ctrl.l = 0
        elseif key:lower() == "d" then
            ctrl.r = 0
        end
    end)
    Fly()

end)

-- No Gui!