serverLight

--server

local loc = {}
loc[1] = {1,3,-2}
loc[2] = {1,3,0}
loc[3] = {1,3,2}
loc[4] = {1,3,4}
loc[5] = {-1,3,4}

local sens = peripheral.wrap("left")
local modem = peripheral.wrap("top")

for y=1,#loc do
    print("opening on "..y)
    modem.open(y)
end

while true do
    sleep()
    local players = sens.getPlayers()
    local id = players[1].uuid

    local player = sens.getPlayerByUUID(id)
    local info = player.basic()
    local position = info.position

    for x=1,#loc do
        local magnitude
        local dist = {loc[x][1] - position.x, loc[x][2] - position.y, loc[x][3] - position.z}
        local total = math.pow(dist[1], 2) + math.pow(dist[2], 2) + math.pow(dist[3], 2)

        magnitude = math.sqrt(total)

        if magntiude <=2 then
            modem.transmit(x,x,"on")
        else
            modem.transmit(x,x,"off")
        end

    end
end