CSS Lua ESP

local cols = {
    [0] = Color(0,0,0,0);
    [1] = Color(0,0,0,0);
    [2] = Color(255,0,0,255);
    [3] = Color(0,0,255,255);
};
local w = ScrW();
local h = ScrH();

local function GetCorners(origin, mins, maxs)
    local minx, maxx, miny, maxy = w + 1, -1, h + 1, -1;
    local vecadd = Vector();
    for i = 1, 8 do
        if(i % 2 < 1) then
            vecadd.x = mins.x;
        else
            vecadd.x = maxs.x;
        end
        if(i % 4 < 2) then
            vecadd.y = mins.y;
        else
            vecadd.y = maxs.y;
        end
        if(i % 8 < 4) then
            vecadd.z = mins.z;
        else
            vecadd.z = maxs.z;
        end
        local pos = (origin + vecadd):ToScreen();
        pos.x = math.max(math.min(pos.x, w + 1), -1)
        pos.y = math.max(math.min(pos.y, h + 1), -1)
        if(pos.x < minx) then
            minx = pos.x;
        end
        if(pos.x > maxx) then
            maxx = pos.x;
        end
        if(pos.y < miny) then
            miny = pos.y;
        end
        if(pos.y > maxy) then
            maxy = pos.y;
        end
    end
    return minx, miny,maxx,maxy;
end

hook.Add("DrawOverlay", "x", function()
    for k,v in pairs(player.GetAll()) do
        if(not v:IsDormant()) then
            local pos = v:GetVar("m_vecOrigin") or SHIT_VECTOR;
            local minx, miny, maxx, maxy = GetCorners(pos, v:OBBMins(), v:OBBMaxs());

            local col = cols[v:GetVar("m_iTeamNum")] or cols[0];
            surface.SetDrawColor(col.r, col.g, col.b, col.a);
            surface.DrawOutlinedRect(minx, miny, maxx, maxy);
        end
    end
end);