how t make fireball roblox or lua

local Player = game.Players.LocalPlayer

local char = Player.Character or Player.CharacterAdded:Wait()

local head = char:WaitForChild(“Head”)

local ammo = 1

local Mouse = Player:GetMouse()  — NEW VARIABLE

local x = Instance.new(“Part”)

    x.BrickColor = BrickColor.new(“Maroon”)

    x.Shape = “Ball”

    x.Material = “Neon”

    x.TopSurface = “Smooth”

    x.BottomSurface = “Smooth”

    x.Anchored = false

    x.CanCollide = true

    x.Transparency = 0.5

    x.Size = Vector3.new(3,3,3);
local y = Instance.new(“Fire”)

    y.Size = 15

    y.Heat = 5
Mouse.Button1Down:connect(function() –DETECTS CLICK/TAP
 local animation = Instance.new(“Animation”)

                animation.AnimationId = “http://www.roblox.com/asset/?id=855830361”

    local humanoid = script.Parent:WaitForChild(‘Humanoid’)

                humanoid:LoadAnimation(animation):Play()

  wait(1.5)
if ammo == 1 then

        local cl = x:Clone()

        local cly = y:Clone()

        local v = Instance.new(“BodyVelocity”)

                v.MaxForce = Vector3.new(math.huge, math.huge, math.huge)

                v.Velocity = Player.Character.UpperTorso.CFrame.lookVector * 60

                v.Parent = cl

                cly.Parent = cl

                cl.Parent = game.Workspace

                cl.CFrame = Player.Character.UpperTorso.CFrame * CFrame.new(0,1,-5)

                ammo = 0

                game.Debris:AddItem(cl, 4)

                wait(2)

                ammo = 1

        end                          
end)
— THIS IS FOR CLICKING E
game:GetService(“UserInputService”).InputBegan:connect(function(input)

    if input.KeyCode == Enum.KeyCode.E then
    local animation = Instance.new(“Animation”)

                animation.AnimationId = “http://www.roblox.com/asset/?id=855830361”

    local humanoid = script.Parent:WaitForChild(‘Humanoid’)

                humanoid:LoadAnimation(animation):Play()

  wait(1.5)
if ammo == 1 then

        local cl = x:Clone()

        local cly = y:Clone()

        local v = Instance.new(“BodyVelocity”)

                v.MaxForce = Vector3.new(math.huge, math.huge, math.huge)

                v.Velocity = Player.Character.UpperTorso.CFrame.lookVector * 60

                v.Parent = cl

                cly.Parent = cl

                cl.Parent = game.Workspace

                cl.CFrame = Player.Character.UpperTorso.CFrame * CFrame.new(0,1,-5)

                ammo = 0

                game.Debris:AddItem(cl, 4)

                wait(2)

                ammo = 1

        end

    end

end)