/*public class robWave extends Oscillator
{
  public SineWave(float frequency, float amplitude, float sampleRate)
  {
    super(frequency, amplitude, sampleRate);
  }
 
  protected float value(float step)
  {
    return (float)Math.sin(frequency()*TWO_PI*step);
  }
}


class BeatSequencer { 
  float ypos, speed; 
  HLine (float y, float s) {  
    ypos = y; 
    speed = s; 
  } 
  void update() { 
    ypos += speed; 
    if (ypos > height) { 
      ypos = 0; 
    } 
    line(0, ypos, width, ypos); 
  } 
}
*/