--// Settings
local fovRadius = 100 -- mobile-friendly radius
local fovColor = Color3.fromRGB(255, 255, 255) -- white
local fovTransparency = 0.5 -- 0 = invisible, 1 = solid
local fovThickness = 1 -- line thickness

--// Drawing Circle
local fovCircle = Drawing.new("Circle")
fovCircle.Position = Vector2.new(workspace.CurrentCamera.ViewportSize.X / 2, workspace.CurrentCamera.ViewportSize.Y / 2)
fovCircle.Radius = fovRadius
fovCircle.Color = fovColor
fovCircle.Thickness = fovThickness
fovCircle.Transparency = fovTransparency
fovCircle.Filled = false
fovCircle.Visible = true

--// Keep the circle centered on screen
game:GetService("RunService").RenderStepped:Connect(function()
    if workspace.CurrentCamera then
        local viewportSize = workspace.CurrentCamera.ViewportSize
        fovCircle.Position = Vector2.new(viewportSize.X / 2, viewportSize.Y / 2)
    end
end)