Silent aim

local players=game:GetService("Players");
local l=players.LocalPlayer;
local camera=workspace.CurrentCamera;
local m=require(game.ReplicatedStorage.Modules.Projectile);
local UIS=game:GetService("UserInputService");

--// configuration 
local FOVR=120;local FOVON,SNAPON=true,true;

local fov=Drawing and Drawing.new("Circle") or nil;
if fov then
    fov.Visible=FOVON;fov.Thickness=2;fov.Radius=FOVR;fov.Color=Color3.new(1,1,1);fov.Transparency=0.5;fov.Filled=false;fov.NumSides=128;
end
local snap=Drawing and Drawing.new("Line") or nil;
if snap then
    snap.Visible=SNAPON;snap.Thickness=1.5;snap.Color=Color3.new(1,1,1);snap.Transparency=0.8;
end

--code
local function t()
    local a;local ml=UIS:GetMouseLocation();local min=FOVR;
    for _,b in next,players:GetPlayers() do
        if b~=l and (not b.Team or not l.Team or b.Team~=l.Team) then
            local ch=b.Character;local hd=ch and ch:FindFirstChild("Head");
            if hd then
                local s,on=camera:WorldToViewportPoint(hd.Position);
                if on then
                    local d=(Vector2.new(s.X,s.Y)-ml).Magnitude;
                    if d<=FOVR and (not a or d<min) then a=b;min=d;end;
                end
            end
        end
    end
    return a;
end

game:GetService("RunService").RenderStepped:Connect(function()
    if fov then
        local ml=UIS:GetMouseLocation();
        fov.Position=ml;fov.Radius=FOVR;fov.Visible=FOVON;
    end
    if snap then
        local pl=t();
        if SNAPON and pl and pl.Character and pl.Character:FindFirstChild("Head") then
            local ml=UIS:GetMouseLocation();
            local s,on=camera:WorldToViewportPoint(pl.Character.Head.Position);
            if on then
                snap.From=ml;
                snap.To=Vector2.new(s.X,s.Y);snap.Visible=true;
            else snap.Visible=false;end
        else snap.Visible=false;end
    end
end)

local o=m.SpawnBullet;
m.SpawnBullet=function(...)
    local g={...};local h=t();
    if h then
        local f=(typeof(g[2])=="Instance" and g[2].Position)or g[2];
        local s=h.Character.Head.Position;
        local v=h.Character:FindFirstChild("HumanoidRootPart") and h.Character.HumanoidRootPart.Velocity or Vector3.zero;
        local db=g[1];local spd=500;local grav=Vector3.new(0,-workspace.Gravity,0);
        if db then
            if db.Speed then spd=db.Speed end;if db.Gravity then grav=db.Gravity end;
        end
        local dist=(s-f).Magnitude;
        local tme=spd>0 and dist/spd or 0;
        local pred=s+v*tme+0.5*grav*tme*tme;
        g[3]=CFrame.new(f,pred).LookVector;
    end
    return o(table.unpack(g));
end;