roblox kill aura Copy of minecraft script

-- Script made by Mawin_CK
-- Setting
local range = 30 -- set this to 10-30 (Optional)
local delaytime = 0.1 -- You can Instead change wait() to other following down here
--[[
    game:GetService("RunService").Heartbeat:Wait()
    or you can Use
    RenderStepped instead of Heartbeat
]]

-- Full Script
local player = game.Players.LocalPlayer
local character = player.Character
local localroot = character:WaitForChild("HumanoidRootPart")

local function closest()
    local target = nil
    for i, v in pairs(game.Players:GetPlayers()) do
        if v ~= player and v.Character then
            local JN = v.Character:FindFirstChild("HumanoidRootPart")
            local dist = (localroot.Position - JN.Position).magnitude
            if dist < range then
                target = v.Character
            end
        end
    end
    return target
end

local t = closest()

-- Update Closest
game:GetService("RunService").RenderStepped:Connect(function()
    t = closest()
end)

while wait(1) do
while wait(delaytime) do
    local args = {
        [1] = t
    }
    game:GetService("ReplicatedStorage").GameRemotes.Attack:InvokeServer(unpack(args))
end
end