class boule {
  float x, y, z;
  float Boff, Goff, Roff;
  float a=random(-PI, PI);
  float d=random(250);
  //color c;

  float redValue=255;
  float greenValue=0;
  float blueValue=0;

  boolean visible = false;

  boolean isCube = false;
  boule() {
    //this.generate(this.c);
    this.generate();
     float r = random(1);
    if  (r>0.5) {

      isCube = true;
    } else {
      isCube=false;
    }
  }

  //void generate(color c) {
  void generate() {
    /*  this.Boff = random(255);
     this.Goff = random(255);
     this.Roff = random(255);
     */



    //this.c=c;
    this.x = random(width);
    this.y=random(height);
    this.z=random(500);
  }

  void draw() {
    pushMatrix();
    fill(0, 0, 0);
    //stroke(noise(Roff)*100+150, noise(Goff)*100+152, noise(Boff)*200+50);
    stroke(redValue, greenValue, blueValue);
    translate(this.x, this.y, -(this.z)- sin(this.a)*350);
    rotateY(frameCount/15.0);
    rotateX(frameCount/15.0);
    if (visible) {

      if (isCube) {
        box(d);
      } else {
        sphere(d);
      }
    }

    popMatrix();
  }

  void update() {
    this.a=this.a+0.5;
    this.Boff = this.Boff + 0.1;
    this.Goff = this.Goff + 0.1;
    this.Roff = this.Roff + 0.1;
    if ( greenValue<255 && redValue==255 && blueValue==0) {
      greenValue++;
    }

    //go from yellow to pure green
    if (greenValue == 255 && redValue>0) {
      //redToGreen = false;
      redValue--;
    }

    //go from green to cyan/bluish-green
    if (redValue==0 && greenValue==255 && blueValue<255) {

      blueValue++;
    }

    //go from bluish-green to blue
    if (blueValue==255 && greenValue>0) {
      greenValue--;
    }
    // go from blue to violet
    if (redValue < 255 && greenValue==0 && blueValue==255) {
      redValue++;
    }
    //go from violet to red
    if (redValue == 255 && blueValue>0) {
      blueValue--;
    }
  }
}