local turret = {}

local debris = game:GetService("Debris")

function turret.startTurret(part)
    local lastShot = tick()
    while true do
        local lastMag, object = 200, nil
        for i,v in pairs(workspace.Zombies:GetChildren()) do
            local magnitude = (v.HumanoidRootPart.Position - part.Position).magnitude
            if magnitude < lastMag then
                lastMag = magnitude
                object = v
            end
        end
        if lastMag < 50 then
            if object then
                part.Parent:SetPrimaryPartCFrame(CFrame.new(part.Position, Vector3.new(object.UpperTorso.Position.X, part.Position.Y, object.UpperTorso.Position.Z))); wait()
            end
        end
        if tick() - lastShot >= 1 then
            if object and object:FindFirstChild("Humanoid") then
                if object.Humanoid.Health > 0 then
                    if lastMag < 50 then -- LAST MAG CAUSES ISSUES AND DELAYS SHOOTING. FIND OUT WHY
                        local muzzle = part.Parent.Muzzle
                        local ray = Ray.new(muzzle.CFrame.p, (Vector3.new(object.HumanoidRootPart.Position.X, muzzle.Position.Y, object.HumanoidRootPart.Position.Z) - muzzle.CFrame.p).unit * 300)
                        local part, position = workspace:FindPartOnRayWithIgnoreList(ray, {game.Players:GetPlayers()[1].Character, workspace.LevelGeometry}, false, true)

                        if part:IsDescendantOf(workspace.Zombies) then
                            part.Parent.Humanoid:TakeDamage(8)

                            local beam = Instance.new("Part", workspace)
                            beam.BrickColor = BrickColor.new("Deep orange")
                            beam.FormFactor = "Custom"
                            beam.Material = "Neon"
                            beam.Transparency = 0.2
                            beam.Anchored = true
                            beam.Locked = true
                            beam.CanCollide = false

                            local distance = (muzzle.CFrame.p - position).magnitude
                            beam.Size = Vector3.new(0.15, 0.15, distance)
                            beam.CFrame = CFrame.new(muzzle.CFrame.p, position) * CFrame.new(0, 0, -distance / 2)

                            local soundcopy = game.SoundService.Turret:Clone()
                            soundcopy.Parent = workspace
                            soundcopy:Play()

                            debris:AddItem(soundcopy, soundcopy.TimeLength)
                            debris:AddItem(beam, 0.01)

                            lastShot = tick()
                        end
                    end
                end
            end
        end
        wait()
    end
end

return turret