!7

cm > DynImageSurface {
  start-thread {
    AudioRecognizer recognizer = new(1.0, new SineSoundSource(440), 1);
    printVars(len := recognizer.mainSample.length(), amplitude := recognizer.mainSample.maxAmplitude());
    //ret recognizer.mainSample.render();
    
    Var<Double> shift = new(0.0);
    
    repeatForNSeconds(10, r {
      var tuned = recognizer.mainSample.sampleAt(439.5*2);
      tuned = tuned.shift(shift!);
      //print(tuned.firstPixels());
      setImage(tuned.render());
      //print(shift);
      shift.set(shift! + 0.05);
    });
  }
}