function setupPins()
    for i = 1, 10 do
        if (pins[i] ~= nil) then
            pins[i]:destroy()
        end
    end
end

function init_event()
    pins = {}
    lane = ag.loadModelStatic("bowling_lane")
    setupPins()
    ag.setCamera(0, -20, 5, 0, 20, 0)
end