BRING 1 PLAYER

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local LocalPlayer = Players.LocalPlayer
local Camera = workspace.CurrentCamera

local KEY = Enum.KeyCode.C
local DISTANCE = 4

local enabled = false
local targetHRP = nil
local loop = nil

local function hrp(plr)
    return plr.Character and plr.Character:FindFirstChild("HumanoidRootPart")
end

local function closestToMouse()
    local mouse = UserInputService:GetMouseLocation()
    local best, bestDist = nil, math.huge

    for _, p in ipairs(Players:GetPlayers()) do
        if p ~= LocalPlayer then
            local h = hrp(p)
            if h then
                local v, on = Camera:WorldToViewportPoint(h.Position)
                if on then
                    local d = (Vector2.new(v.X, v.Y) - mouse).Magnitude
                    if d < bestDist then
                        bestDist = d
                        best = h
                    end
                end
            end
        end
    end

    return best
end