#!/usr/bin/env python3
import time

from pysinewave import SineWave

# Create a sine wave, with a starting pitch of 12, and a pitch change speed of 10/second.
sinewave = SineWave(pitch = 12, pitch_per_second = 5)
# Turn the sine wave on.
sinewave.play()

# Sleep for 2 seconds, as the sinewave keeps playing.
time.sleep(2)

while True:

	# Set the goal pitch to -5.
	sinewave.set_pitch(-5)

	# Sleep for 3 seconds, as the sinewave smoothly slides its pitch down from 12 to -5, and stays there.
	time.sleep(1)


	# Set the goal pitch to -5.
	sinewave.set_pitch(12)

	# Sleep for 3 seconds, as the sinewave smoothly slides its pitch down from 12 to -5, and stays there.
	time.sleep(1)