local drone = component.proxy(component.list("drone")())

local function fly(dx, dy, dz)
    drone.move(dx, dy, dz)
    drone.setStatusText(math.floor(dx) .. "," .. math.floor(dy) .. "," .. math.floor(dz))

    while drone.getOffset() > 0.5 do
        computer.pullSignal(0.1)
    end
end
while true do
    local signal = table.pack(computer.pullSignal())
    if signal[1] == "motion" then
        if signal[6] == "Zombie" then
            fly(signal[3], signal[4]+2, signal[5])
            if drone.getOffset() < 1 then
                drone.setStatusText('' .. drone.getOffset())
                drone.swing(3) -- forward
            end
        end
    end
end