let stars = [];

let population = 600;

let images = [];

​

function preload(){

  images.push(loadImage('equations/test.png'));

}

​

function getRandomImage(){

  return random(images);

}

​

function setup() {

  createCanvas(400, 400);

  for(let i = 0; i < population; i++){

    stars.push(new Star(1,1));

  }

}

​

function draw() {

  background(220);

  translate(width/2,height/2);

  for(let i = stars.length - 1; i >= 0; i--){

    stars[i].update();

    stars[i].show();

  }

}

​

​

​

​

class Star{

  constructor(){

    this.pos = createVector(random(-width,width),random(-height,height),random(width));

      this.e = getRandomImage();

  }

  update(){

    this.pos.z -= speed;

    if (this.pos.z < 1) {

      this.pos.z = width;

      this.pos.x = random(-width, width);

      this.pos.y = random(-height, height);

    }

  }

  show(){

    let x = map(this.pos.x/this.pos.z,0,1,0,width);

    let y = map(this.pos.y/this.pos.z,0,1,0,height);

    let r = map(this.pos.z, 0, width, 16, 0);

    let alpha = map(this.pos.z,0,width,100,0);

    noStroke();

    fill(0,0,0,alpha);

    //circle(x,y,r);

    //textSize(r);

    //text("MATHY",x,y);

    image(this.e,x,y,5,5);

  }

}