• derived nodes inherit all messages from their base classes
  
• see reset method for default settings
  
• the volume of a sound is the region in which the sound will play at 100% amplitude(loudness)
  
• falloffDistance is a region outside the volume in which the amplitude is diminished as the user moves further away from the source(volume)
  
• the sound server, snerd, must be run on the a local or remote machine
  
• sounds under a switch will turn off but must be restarted when the switch is toggled back on
  

constructor tone

destructor ~tone

method reset

1 reset frequency to 600.0
2 reset playing flag to false
3 set current amplitude to 0.0
4 set update interval to 0.1
5 if a sample exists then delete it

method message

1 set the frequency of the tone
2 start the sound playing
3 stop the playing sound
4 set the update interval for sound server

method setFrequency

method setDistance

method setAmplitude

method setFalloffDistance

method setAttenuation

method isPlaying

method isPaused

method play

1 if no sample then create a new bergenSample
2 play the sample
3 generate a heartbeat for the server

method pause

method stop

1 if a sample is playing

1.1 send a stop command to the server

method app

1 if a sample exists

1.1 generate a heartbeat for the server
1.2 if the sample is playing

1.2.1 if update interval has passed then update sound server

1.2.1.1 determine position of this sound
1.2.1.2 get position relative to CAVE