Intruder Annoyer

local authorized = settings.get "alarm.authorized"
local bounds = settings.get "alarm.bounds"
if type(bounds) == "string" then bounds = textutils.unserialise(bounds) end
local particle = peripheral.find "particle"
local sensor = peripheral.find "plethora:sensor"

local function random_in_range(min, max)
    local size = math.abs(min) + math.abs(max)
    print(size, min, max)
    return (math.random() * size) + min
end

local function detect_intruders()
    local es = sensor.sense()
    local positions = {}
    for _, e in pairs(es) do
        if e.x >= bounds[1] and e.x <= bounds[2] and e.y >= bounds[3] and e.y <= bounds[4] and e.z >= bounds[5] and e.z <= bounds[6] then
            table.insert(positions, { e.x, e.y, e.z })
            print(os.clock(), e.displayName)
            if e.displayName == authorized then return false end
        end
    end
    return positions
end

while true do
    local intruders = detect_intruders()
    print(intruders)
    if intruders and #intruders > 0 then
        -- generally fill building
        for _ = 1, 8 do
            particle.spawn("barrier",
                random_in_range(bounds[1], bounds[2]),
                random_in_range(bounds[3], bounds[4]),
                random_in_range(bounds[5], bounds[6]))
        end
        -- specifically target intruder
        for _, position in pairs(intruders) do
            local x, y, z = unpack(position)
            for _ = 1, 16 do
                particle.spawn("barrier",
                    random_in_range(x - 2, x + 2),
                    random_in_range(y - 2, y + 2),
                    random_in_range(z - 2, z + 2))
            end
        end
        sleep()
    else
        sleep(1)
    end
end