global gIntegrator

-- entry point
on startMovie
    gIntegrator = script("Integrator").new("sin(PI * t)")
    timeout().new("timer", 2000, #step1)
end

on step1 (_, timer)
    gIntegrator.input("0.0")
    timer.timeoutHandler = #step2
    timer.period = 500
end

on step2 (_, timer)
    gIntegrator.stop()
    put gIntegrator.output()
    timer.forget()
end