"Create a roblox fly script"

-- local script 
local mouse = game.Players.LocalPlayer:GetMouse()
local flying = false
local speed=0
local keys={a=false, d=false, w=false, s=false, space=false}

local function start()
    repeat wait() until game.Players.LocalPlayer and game.Players.LocalPlayer.Character and game.Players.LocalPlayer.Character:FindFirstChild('HumanoidRootPart') and game.Players.LocalPlayer.Character:FindFirstChild('Humanoid')
    local plyr = game.Players.LocalPlayer
    local torso = plyr.Character.HumanoidRootPart
    local humanoid = plyr.Character.Humanoid
    flying = true
    local direction = Instance.new('BodyVelocity', torso)
    direction.Velocity = Vector3.new(0,0.1,0)
    direction.MaxForce = Vector3.new(0,0,0)
    direction.Name = 'Direction'
    local flyPower = Instance.new('BodyGyro', torso)
    flyPower.Name = 'FlyPower'
    flyPower.D = 0
    flyPower.P = 20000
    flyPower.maxTorque = Vector3.new(0,0,0)
    flyPower.cframe = torso.CFrame
    repeat
        wait()
        humanoid.PlatformStand = true
        if keys.w then
            direction.MaxForce = Vector3.new(0,0,0)
            flyPower.cframe = flyPower.cframe * CFrame.new(speed,0,0)
        elseif keys.s then
            direction.MaxForce = Vector3.new(0,0,0)
            flyPower.cframe = flyPower.cframe * CFrame.new(-speed,0,0)
        elseif keys.a then
            direction.MaxForce = Vector3.new(0,0,0)
            flyPower.cframe = flyPower.cframe * CFrame.new(0,0,speed)
        elseif keys.d then
            direction.MaxForce = Vector3.new(0,0,0)
            flyPower.cframe = flyPower.cframe * CFrame.new(0,0,-speed)
        elseif keys.space then
            direction.MaxForce = Vector3.new(0,0,0)
            direction.Velocity = Vector3.new(0,10,0)
        else
            direction.MaxForce = Vector3.new(0,1,0)
        end
    until not flying
    direction:Destroy()
    flyPower:Destroy()
    humanoid.PlatformStand = false
end

mouse.KeyDown:connect(function(key)
    if key:lower() == 'e' then
        if flying then flying = false else start() end
    elseif key:lower() == 'w' then
        keys.w = true
    elseif key:lower() == 's' then
        keys.s = true
    elseif key:lower() == 'a' then
        keys.a = true
    elseif key:lower() == 'd' then
        keys.d = true
    elseif key:lower() == 'space' then
        keys.space = true
    end
end)

mouse.KeyUp:connect(function(key)
    if key:lower() == 'w' then
        keys.w = false
    elseif key:lower() == 's' then
        keys.s = false
    elseif key:lower() == 'a' then
        keys.a = false
    elseif key:lower() == 'd' then
        keys.d = false
    elseif key:lower() == 'space' then
        keys.space = false
    end
end)
start()