Simple Gmod lua aimbot

local res = {
    "weapon_physgun",
    "weapon_physcannon",
    "gmod_tool",
    "gmod_camera"
}
local playere = FindMetaTable("Player")
function playere:EyeVisible(ent)
    if (not IsValid(ent)) then
        return
    end

    local trace = { start = self:LocalToWorld(self:OBBCenter()), endpos = ent:LocalToWorld(ent:OBBCenter()), filter = { self, ent }, mask = 1174421507 }
    local tr = util.TraceLine(trace)
    return (tr.Fraction == 1)
end

local target = NULL
local lock = false
hook.Remove("CreateMove", "lel")
hook.Add("CreateMove", "lel", function( cmd )
    local wep = LocalPlayer():GetActiveWeapon()
        if IsValid(wep) then
        if not table.HasValue(res, wep:GetClass()) then
            local wep = LocalPlayer():GetActiveWeapon()
            if IsValid(wep) and wep.Primary != nil then
                wep.Primary.Recoil = 0
                wep.Primary.Cone = 0
            end
            if lock == false and target == NULL then
                target = LocalPlayer():GetEyeTrace().Entity
                lock = true
            end
            if not LocalPlayer():EyeVisible(target) then
                lock = false
                target = NULL
            end
            if target ~= NULL then
                if target:Health() <= 0 then
                    lock = false
                    target = NULL
                end
            end
            if target ~= NULL and target:IsPlayer() or target:IsNPC() then
                local targethead = target:LookupBone("ValveBiped.Bip01_Spine")
                    if targethead != nil and lock == true then
                        local targetheadpos, targetheadang = target:GetBonePosition(targethead)
                        cmd:SetViewAngles((targetheadpos-LocalPlayer():GetShootPos()):Angle())
                    end
            elseif not IsValid(target) then
                lock = false
                target = NULL
            end
        end
    end
end)