local Bullets = require(game:GetService("ReplicatedStorage").Client.Libraries.Bullets)
local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer
local Mouse = LocalPlayer:GetMouse()
local FOV_RADIUS = 150 

local function getClosestToMouse()
    local target, closestDist = nil, FOV_RADIUS
    for _, plr in pairs(Players:GetPlayers()) do
        if plr ~= LocalPlayer and plr.Character and plr.Character:FindFirstChild("Head") then
            local pos, onScreen = workspace.CurrentCamera:WorldToViewportPoint(plr.Character.Head.Position)
            if onScreen then
                local dist = (Vector2.new(pos.X, pos.Y) - Vector2.new(Mouse.X, Mouse.Y)).Magnitude
                if dist < closestDist then
                    target = plr.Character.Head
                    closestDist = dist
                end
            end
        end
    end
    return target
end

local oldFire = Bullets.Fire
Bullets.Fire = function(self, ...)
    local args = {...}
    local target = getClosestToMouse()
    
    if target then
        local origin = args[4] 
        args[5] = (target.Position - origin).Unit 
    end
    return oldFire(self, unpack(args))
end