long m ;
float time;
float timeNormalized;
float sine;

  Date d = new Date();



float sineWave(float herz) {
  


  float period = 1/herz;

  m = d.getTime();
  time = m % herz;
  timeNormalized =  time*period;

  sine = sin(timeNormalized*TWO_PI);
  return sine;
  


}