local player = peripheral.wrap("back")
local termW, termH = term.getSize()
print(termW .. "x" .. termH)
local main = window.create(term.current(), 1, 1, termW, termH)
main.setBackgroundColor(8192)
main.clear()
main.setTextColor(2)
main.setCursorPos(1,1)
main.write("Tracker")
main.setVisible(true)
while true do
    local pos = player.getPlayerPos("Bleh")
    main.setCursorPos(1,2)
    main.clearLine()
    main.write("X: " .. pos.x)
    main.setCursorPos(1,3)
    main.clearLine()
    main.write("Y: " .. pos.y)
    main.setCursorPos(1,4)
    main.clearLine()
    main.write("Z: " .. pos.z)
    sleep(1)
end