let newallPoints = []; //________________ make a array for newallPoints of type class Point

​

let cx, cy;

let t, beginning;

​

​

function setup() {

  createCanvas(640, 640);

  beginning = millis();

  cx = width / 2;

  cy = height / 2;

  allPoints.push(new Point(cx, cy, 0));

  stroke(0);

  strokeWeight(3);

}

​

function draw() {

  background(255);

  t = millis();

  let nowl = allPoints.length;

  for (let i = 0; i < nowl; i++) {

    print("frame "+frameCount+" nowl "+nowl+" i "+i);

    let p = allPoints[i];

    p.move();

    if (p.alive) {

      allPoints.push(new Point(cx, cy, 0));

      //newallPoints.push(p);

    }

  }

​

  let ang = TWO_PI / 350;//frameCount;

  for (let a = 0; a < TWO_PI; a += ang) newallPoints.push(new Point(cx, cy, a));

  arrayCopy(newallPoints,allPoints);

  //allPoints = newallPoints;

  let ecouled = millis() - t;

  print(allPoints.length, ecouled, allPoints.length / (ecouled / 1000));

  if (allPoints.length > 30) {

    print("total time : " + (millis() - beginning));

    noLoop();

  }

}

​

​

class Point {

  constructor(x, y, a) {

    this.x = x;

    this.y = y;

    this.a = a;

    this.alive = true;

  }

  move() {

    if (this.x < 0 || this.y < 0 || this.x > width || this.y > height) this.alive = false;

    this.x += cos(this.a) * 2;

    this.y += sin(this.a) * 2;

    print(this.x, this.y, this.a,this.alive);

    point(this.x, this.y); //__________________________ show

  }

​

} //___ end class