ArrayList<Cube> cubes;

void setup() {
  size(500, 500, P3D);
  smooth(6);
  frameRate(30);

  cubes = new ArrayList();
  int cubeNum = 0;
  for (int i = 0; i < 10; i++) {
    for (int j = 0; j < 15; j++) {
      cubes.add(new Cube(50*i+25, 35*j+10, 35*j, cubeNum));
      cubeNum ++;
    }
  }

  for (int i = 0; i < cubes.size (); i++) {
    Cube c = (Cube) cubes.get(i);
    c.timeStampAnim = millis();
    c.timeStampDelay = millis();
  }
}

void draw() {
  background(25);

  //  camera(width/2.0, height/2.0, (height/2.0) / tan(PI*30.0 / 180.0), width/2.0, mouseY, 0, 0, 1, 0);
  camera(width/2.0, height/2.0, 675, width/2.0, height/2, 0, 0, 1, 0);
  println(mouseX*3);

  for (int i = 0; i < cubes.size (); i++) {
    Cube c = (Cube) cubes.get(i);
    c.draw();
  }
}

class Cube {
  // timer interne de l'animation
  float timeStampAnim, intervalAnim;
  boolean beginTimerAnim;
  // timer pour activer le timer de l'animat selon le delai entré en param
  float timeStampDelay, intervalDelay;
  boolean  animate;
  float posX, posY, angleY, posZ;
  int cubeNum;
  Cube(float posX, float posY, float posZ, float delay) {
    // timer interne de l'animation
    timeStampAnim = millis();
    intervalAnim = 5000; // chaque 5 secondes, l'animation joue (si elle doit le faire)
    beginTimerAnim = false;

    // timer pour activer le timer de l'animat selon le delai entré en param
    timeStampDelay = cubeNum * 100;
    intervalDelay = delay * 50;

    animate = false;

    this.posX = posX;
    this.posY = posY;
    this.posZ = posY;


    angleY = 45;

    // println(intervalDelay);
  }

  void draw() {
    pushMatrix();
    //    posZ = mouseX;
    translate(posX, posY, posZ);
    //rotateX(radians(-45));
    rotateY(radians(angleY));
    stroke(25);
    strokeWeight(1.5);
    box(35);
    popMatrix();

    if (animate) {
      if (angleY < 135) {
        angleY+=5;
      } else { // >=
        animate = false;
        angleY = 45;
      }
    }
    if (beginTimerAnim) {
      if (millis() - timeStampAnim >= intervalAnim) {
        animate = true;
        timeStampAnim = timeStampAnim + intervalAnim;
      }
    }
    if (!beginTimerAnim) {
      if (millis() - timeStampDelay >= intervalDelay) {
        beginTimerAnim = true;
        timeStampAnim = millis();
      }
    }
  }
}