class Systeme {
  Bille[] table;
  float lar1,lar2,lon1,lon2,rotz,trax,tray;
  int nb;float angle,chocx,chocy;
  public Systeme(int nb) {
    this.nb = nb;
    this.angle=0;
    this.chocx=0;
    this.chocy=0;
    this.table =new Bille[nb];

    init();
  }
  void init() {
    lar1=1000;lar2=lar1/2;
    lon1=1000;lon2=lon1/2;
    for (int i = 0; i<nb; i++) {
      println(nb);
      table[i]=new Bille(nb,this,i);

    }
  }
  void afficher(){
    
    //lights();
 
    translate(width /2, -height /4,-100);
    
       for(int i=0; i<nb; i++){
      table[i].comportement();
    }
    
    rotateX(0.98);
   
    rotz=rotz+(-table[0].alfa-rotz)/20;
     trax=trax+(-table[0]._x-trax)/20;
     tray=tray+(-table[0]._y-tray)/20; 
    rotateZ(rotz);
    translate(trax,tray,-500);
    
    rectMode(CENTER);
    noStroke();
    fill(10,20,50);
    rect(0,0, lar1,lon1);
    pushMatrix();fill(130,140,250,150);translate(0,lon2);rotateX(HALF_PI);rect(0,20,lar1,40);popMatrix();
    pushMatrix();fill(100,100,220,150); translate(0,-lon2);rotateX(-HALF_PI);rect(0,-20,lar1,40);popMatrix();   
    pushMatrix();fill(100,130,250,150);translate(lar2,0);rotateY(HALF_PI);rect(-20,0,40,lon1);popMatrix();
    pushMatrix();fill(100,100,220,150); translate(-lar2,0);rotateY(-HALF_PI);rect(20,0,40,lon1);popMatrix();
    
      directionalLight(251, 250, 250, -10, 5, -10);
     directionalLight(251, 250, 250, 10, 5, -5);
    for(int i=0; i<nb; i++){
      table[i].dessiner();
    }
  }
}