let flakes = []; // array to hold snowflake objects

​

function setup() {

  createCanvas(600, 600);

  // fill(255, 0, 0);

  noStroke();

}

​

function draw() {

  background('white');

  //text("cnskdjfbkwjbw" x, y);

  let t = frameCount / 120; // update time

​

  // create a random number of snowflakes each frame

  for (let i = 0; i < random(5); i++) {

    flakes.push(new Flake()); // append snowflake object

  }

​

  // loop through snowflakes with a for..of loop

  for (let flake of flakes) {

    flake.update(t); // update snowflake position

    flake.display(); // draw snowflake

  }

}

​

// snowflake class

class Flake {

  constructor(){

    // initialize coordinates

    this.posX = 0;

    this.posY = random(-50, 0);

    this.initialangle = random(0, 2 * PI);

    this.size = random(2, 10);

​

    // radius of snowflake spiral

    // chosen so the snowflakes are uniformly spread out in area

    this.radius = sqrt(random(pow(width / 2, 2)));

    this.color = color(random(255), random(255), random(255));

  }

​

  update(time) {

    // x position follows a circle

    let w = 0.8; // angular speed

    let angle = w * time + this.initialangle;

    this.posX = width / 2 + this.radius * sin(angle);

​

    // different size snowflakes fall at slightly different y speeds

    this.posY += pow(this.size, 0.7);

​

    // delete snowflake if past end of screen

    if (this.posY > height) {

      let index = flakes.indexOf(this);

      flakes.splice(index, 1);

    }

  };

​

  display() {

    fill(this.color);

    ellipse(this.posX, this.posY, this.size);

  };

}

​