Scanner = peripheral.wrap("back")

while true do
    term.clear()
    term.setCursorPos(1, 1)

    Blocks, Err = Scanner.scan(16)
    Found = false

    for id, block in pairs(Blocks) do
        if string.match(block["name"], "allthemodium") then
            Found = true
            term.setTextColor(colors.green)
            term.write(block["name"])
            term.setTextColor(colors.white)
            term.write(" at ")
            term.setTextColor(colors.blue)
            print(string.format("x:%d z:%d y:%d", block["x"], block["z"], block["y"]))
            local x = block["x"]
            local y = block["z"]
            local len = math.sqrt(math.pow(x,2) + math.pow(y,2))
            x = x / len
            y = y / len
            print(string.format("x:%d z:%d", x, y))
        end
    end
    if not Found then
        print(os.clock())
        print("Nothing found")
    end
    sleep(5)
end