player_detector

-- Usage:
-- detector <x1> <y1> <z1> <x2> <y2> <z2>

local args = { ... }

if #args ~= 6 then
    print("Usage: detector <x1> <y1> <z1> <x2> <y2> <z2>")
    return
end

local detector = peripheral.find("playerDetector")
assert(detector, "Player Detector not found")

local posOne = {
    x = tonumber(args[1]),
    y = tonumber(args[2]),
    z = tonumber(args[3])
}

local posTwo = {
    x = tonumber(args[4]),
    y = tonumber(args[5]),
    z = tonumber(args[6])
}

while true do
    local players = detector.getPlayersInCoords(posOne, posTwo)

    if #players > 0 then
        print("Player Detected!")
        redstone.setOutput("back", true)
    else
        redstone.setOutput("back", false)
    end

    sleep(0.1)
end