Head dot

local function on_paint()
    local players = entity.get_players(true)
    for i=1, #players do
        local player = players[i]
        if (not player:is_alive()) then goto continue end

        local color = player:is_visible() and { r=0, g=255, b=0, a=255 } or { r=155, g=155, b=155, a=255 }
        local head_pos = vector(player:bone_position(6))
        if (head_pos:is_zero()) then goto continue end

        local screen_pos = vector(utility.world_to_screen(head_pos:unpack()))
        if (screen_pos:is_zero()) then goto continue end
        
        render.circle(screen_pos.x, screen_pos.y, 4, color.r, color.g, color.b, color.a, 360) -- all da segmentz
        ::continue::
    end
end

cheat.set_callback("paint", on_paint)