class Particle {

  constructor(x, y) {

    this.pos = createVector(x, y);

    this.vel = p5.Vector.random2D();

   this.vel.mult(random(1, 2));

    this.acc = createVector(0, 0);

    this.r = 10;

    this.lifetime = 255;

    this.image= loadImage('Dan_grinning.png')

    this.image2= loadImage('Asterisk_smile.png')

    this.image3= loadImage('Equal_smile.png')

    this.image4= loadImage('Rainbow_zany.png')

    this.image5= loadImage('Square_smile.png')

    this.image6= loadImage('ThisDot_smile.png')

  }

​

  finished() {

    return this.lifetime < -20;

  }

​

  applyForce(force) {

    this.acc.add(force);

  }

​

  edges() {

    if (this.pos.y >= height - this.r) {

      this.pos.y = height - this.r;

      this.vel.y *= -1;

    }

​

    if (this.pos.x >= width - this.r) {

      this.pos.x = width - this.r;

      this.vel.x *= -1;

    } else if (this.pos.x <= this.r) {

      this.pos.x = this.r;

      this.vel.x *= -1;

    }

  }

​

  update() {

    this.vel.add(this.acc);

    this.pos.add(this.vel);

    this.acc.set(0, 0);

​

    this.lifetime -= 5;

  }

​

  show() {

    stroke(255, this.lifetime);

    strokeWeight(2);

    fill(255, this.lifetime);

  var rand= Math.round(random(1,6))

  //print(rand)

    image(this.image,this.pos.x, this.pos.y,this.r*2,this.r*2); 

  }

}

​