class PitchLayer extends Layer {

  // La courbe de Pitch en curveVertex

  PitchLayer(PApplet parent) {
    super(parent);
  }

  boolean TraceVertex = false;

  void setup() {
    
  }

  void draw() {
    if (Tete > 0) {
      // println("IndexPitch = " + IndexPitch + "   LignesPitch.length = " + LignesPitch.length);
      if (IndexPitch < LignesPitch.length) {
        LignePitch = float(split(LignesPitch[IndexPitch], "   "));
        if (Float.isNaN(LignePitch[0])) {
          IndexPitch = IndexPitch + 1;
        } 
        else {
          // println("temps = " + temps + "  LignePitch[0] = " + LignePitch[0]);
          if ((temps > LignePitch[0]) && ! Pause) {
            if (IVertex > 100) {
              if (TraceVertex) {  // pour eviter le retour de la ligne de droite a gauche
                curveVertex(XVertex, YVertex);
                endShape();
                TraceVertex = false;
              }
              IVertex = 0;
            }
            XVertex = width * IVertex;
            XVertex = XVertex / 100;
            // println("width = " + width);
            if (Float.isNaN(LignePitch[1])) {
              PitchActuel = PitchMini;
              if (TraceVertex) {
                curveVertex(XVertex, YVertex);
                endShape();
              }
              TraceVertex = false;
              // println("NaN IndexPitch = " + IndexPitch);
            }
            else {
              PitchActuel = LignePitch[1]; // Utile pour autre layer
               // YVertex = YPitch(LignePitch[1]) - ((frameCount - TrameCompteZero)/6) + 180;
              YVertex = YPitch(LignePitch[1]) - (((frameCount - TrameCompteZero)/6) - 300) * height / 600;
              IVertex = IVertex + 1;
              if (TraceVertex) {
                curveVertex(XVertex, YVertex);
              } 
              else {
                smooth();
                stroke(255, 255);
                strokeWeight(1);
                noFill();
                beginShape(); // start controlpoint
                curveVertex(XVertex, YVertex);
                curveVertex(XVertex, YVertex);
              }
              TraceVertex = true;
            }
            IndexPitch = IndexPitch + 1;
          }
        }
      } 
      else Fin = true;
      if ((temps > DureeFichier) || (Tete == 0)) {
        Fin =true;
        background(0, 0, 0, 0);
      }
    }
    else background(0, 0, 0, 0);
  }
}