constructor(x, y, mass, speedX, speedY, name=-1) {

    if(name==-1){

      this.mass = mass;

      this.size = map(mass, 0, 20000, 0, 100);

      this.vSpeed = createVector(speedX, speedY);

    }

    else{

      this.mass = DATA[name]['mass'];

      this.rayon = DATA[name]['rayon'];

      this.size = map(this.rayon, DATA['earth']['rayon'], DATA['sun']['rayon'], 5, 100);

      this.vSpeed = createVector(0, DATA[name]['peri_speed']);

      this.vSpeed.mult(DATA['SCALE_SPEED']);

      this.life = 0;

      this.last_life = 0;

      this.name = name;

      this.binaryShow = true;

    }

    this.start_pos = createVector(-DATA[name]['peri_dist'], 0);

    this.pos = this.start_pos.copy();

    this.last_pos = this.pos.copy();

    planets.push(this);

  }

  show(){

    strokeWeight(this.size);

    let scale = DATA['SCALE_POS']

    point(this.pos.x*scale,this.pos.y*scale);

    // console.log(this.pos.x*scale,this.pos.y*scale);

  }

  update(planet2){

    let a = dist(this.pos.x, this.pos.y, this.start_pos.x, this.start_pos.y)

    let b = dist(this.last_pos.x, this.last_pos.y, this.start_pos.x, this.start_pos.y)

    this.last_pos = this.pos.copy();

    if(a-b>0 && this.binaryShow){

      console.log(this.life-this.last_life-1, this.name);

      this.last_life = this.life;

      this.binaryShow = false;

    }

    if(a-b < 0){

      this.binaryShow = true;

    }

    // console.log(this.life);

    let acc = createVector(planet2.pos.x-this.pos.x, planet2.pos.y-this.pos.y);

    // line(this.pos.x, this.pos.y, acc.x, acc.y);

    // console.log(planet2.mass, acc, acc.mag());

    let newMag = (G*planet2.mass)/(acc.mag()*acc.mag());

    acc.normalize();

    acc.mult(newMag);

    // console.log(acc);

    let scale_speed = DATA['SCALE_SPEED'];

    // console.log(acc, this.vSpeed);

    acc.mult(scale_speed**2);

    this.vSpeed.add(acc);

    // console.log(this.vSpeed);

    this.pos.add(this.vSpeed);

    this.life++;

    // acc.mult(-5);

    // stroke('red');

    // strokeWeight(5);

    // line(this.pos.x, this.pos.y, this.pos.x-acc.x, this.pos.y-acc.y);

    // line(this.pos.x, this.pos.y, this.pos.x-this.vSpeed.x, this.pos.y-this.vSpeed.y);

    // line(this.pos.x, this.pos.y, this.vSpeed.x-this.pos.x, this.vSpeed.y-this.pos.y);

  }

}

​