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local fov = 300
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local Players = game:GetService("Players")
local Cam = game.Workspace.CurrentCamera

local FOVring = Drawing.new("Circle")
FOVring.Visible = true
FOVring.Thickness = 2
FOVring.Color = Color3.fromRGB(128, 0, 128) -- Purple color
FOVring.Filled = false
FOVring.Radius = fov
FOVring.Position = Cam.ViewportSize / 2

local function updateDrawings()
    local camViewportSize = Cam.ViewportSize
    FOVring.Position = camViewportSize / 2
end

local function onKeyDown(input)
    if input.KeyCode == Enum.KeyCode.Delete then
        RunService:UnbindFromRenderStep("FOVUpdate")
        FOVring:Remove()
    end
end

UserInputService.InputBegan:Connect(onKeyDown)

local function lookAt(target)
    local lookVector = (target - Cam.CFrame.Position).unit
    local newCFrame = CFrame.new(Cam.CFrame.Position, Cam.CFrame.Position + lookVector)
    Cam.CFrame = newCFrame
end

local function getClosestPlayerInFOV(trg_part)
    local nearest = nil
    local last = math.huge
    local playerMousePos = Cam.ViewportSize / 2

    for _, player in ipairs(Players:GetPlayers()) do
        if player ~= Players.LocalPlayer then
            local part = player.Character and player.Character:FindFirstChild(trg_part)
            if part then
                local ePos, isVisible = Cam:WorldToViewportPoint(part.Position)
                local distance = (Vector2.new(ePos.x, ePos.y) - playerMousePos).Magnitude

                if distance < last and isVisible and distance < fov then
                    last = distance
                    nearest = player
                end
            end
        end
    end

    return nearest
end

local mouseDown = false

UserInputService.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton2 then
        mouseDown = true
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton2 then
        mouseDown = false
    end
end)

RunService.RenderStepped:Connect(function()
    if mouseDown then
        updateDrawings()
        local closest = getClosestPlayerInFOV("Head")
        if closest and closest.Character:FindFirstChild("Head") then
            lookAt(closest.Character.Head.Position)
        end
    end
end)