Turret

local tweenservice = game:GetService("TweenService")
local Gun = script.Parent.Gun
local debrisservice = game:GetService("Debris")
local Bullet = game:GetService("ServerStorage").Bullet
local Light = script.Parent.Gun.Light
local dist = 100
local Targets = {}

function compare(a,b)
  return a[2] < b[2]
end

function Fire(Human, Distance)
    local Bullet = game.ServerStorage.Bullet:Clone()
    Bullet.Parent = script.Parent.Debris
    Bullet.Size = Vector3.new(0.1, 0.1, 2)
    Bullet.BrickColor = BrickColor.new("New Yeller")
    Bullet.Anchored = true
    Bullet.CanCollide = false
    Bullet.Material = Enum.Material.Neon
    Bullet.Transparency = 0.7
    Bullet.Position = Gun.Position
    Bullet.CFrame = CFrame.new(Gun.Position,Human.Head.Position)
    local bullettween = tweenservice:Create(Bullet,TweenInfo.new(Distance/200,Enum.EasingStyle.Linear, Enum.EasingDirection.In, 0,false, 0), {CFrame = Gun.CFrame:ToWorldSpace(CFrame.new(0,0,-(Distance - Bullet.Size.Z/2)))})
    bullettween:Play()
    bullettween:Destroy()
    debrisservice:AddItem(Bullet,Distance/200)
end


function FindTarget()
    for i = 1,#Targets do
        table.remove(Targets,i)
    end
    for i,v in pairs(workspace:GetDescendants())do
        if v.Name == "Head" and v.Parent:FindFirstChild("Humanoid") then
            if v.Parent.Humanoid.Health > 0 then
                local ray = Ray.new(Gun.Position, (v.Position - Gun.Position).Unit *dist)
                local Part = workspace:FindPartOnRay(ray)
                if Part then
                    if Part:IsDescendantOf(v.Parent) or Part.Name == "Bullet" then
                        table.insert(Targets,#Targets + 1,{v.Parent,(Gun.Position - v.Position).Magnitude})
                    else
                    end
            end
            end
        end
    end
    table.sort(Targets, compare)
    if Targets[1] == nil then
        return nil,nil
    else
        return Targets[1][1],Targets[1][2]
    end
end
while true do
    wait()
    local Human,Distance = FindTarget()
    if Human then
        if Distance < dist then
            Light.BrickColor = BrickColor.new("Bright red")
            local Tween = tweenservice:Create(Gun,TweenInfo.new(0.1,Enum.EasingStyle.Linear, Enum.EasingDirection.In, 0,false, 0), {CFrame = CFrame.new(Gun.Position,Human.Head.Position)})
            Tween:Play()
            Tween:Destroy()
           -- Gun.CFrame = CFrame.new(Gun.Position,Human.Head.Position)
            wait(0.1)
            Fire(Human,Distance)
            Human.Humanoid:TakeDamage(10)
        else
        end
    else
        Light.BrickColor = BrickColor.new("Lime green")
        local Tween = tweenservice:Create(Gun,TweenInfo.new(0.1,Enum.EasingStyle.Linear, Enum.EasingDirection.In, 0,false, 0), {CFrame = CFrame.new(Gun.Position) * CFrame.Angles(0,0,0)})
        Tween:Play()
        Tween:Destroy()
    end
end