text: function setup() {
    createCanvas(windowWidth, windowHeight);
  
    this.world = new World(width * 10, height * 10, width, height);
    
  
    this.backStars = [];
    this.minBrightness = 150;
    randomSeed((new Date()).getMilliseconds());
    for (var i = 0; i < 200; i++) {
      this.backStars.push([createVector(random(width), random(height), random(0.2, 0.8)), createVector(random(5), random(255 - this.minBrightness))]);
    }
  }
  
  function draw() {
    background(0);
  
    push();
  
    this.backStars.forEach(function(i) {
      strokeWeight((2 + i[1].x) * i[0].z);
      stroke(i[1].y + this.minBrightness);
      point(((i[0].x - this.world.cameraPos.x * i[0].z) % width + width) % width, ((i[0].y - this.world.cameraPos.y * i[0].z) % height + height) % height);
    });
  
    pop();
  
    this.world.cameraPos.add(createVector(1, 2))
  }
  