Tapestry-generator 2 - OpenProcessing

mySketch
xxxxxxxxxx
 
let number_of_bubbles = 1193;
​
let bubbles;
let movedist = 1;
let bubble_size = 1;
let blacks = 100;
let keepOn = true;
​
function setup() {
  background(0);
  createCanvas(windowWidth, windowHeight);
  bubbles = [];
  
  //bubbles[0] = new Bubble(200, 200, 40);
  //bubbles[1] = new Bubble(400, 200, 20);
  
  
  for (let i = 0; i < number_of_bubbles; i++){
    bubbles[i] = new Bubble(random(0,width),
                            random(0,height),
                            i);
  }
}
​
function draw() {
  //background(222,222,222,2);
  if (keepOn) {
    for (let i =0; i < number_of_bubbles; i++){
      bubbles[i].move();
      bubbles[i].show();
    }
  }
}
​
function mouseClicked(){
  background(0);
  if (keepOn){
    keepOn = false;
  } else {
    keepOn = true;
  }
}
​
​
function keyPressed() {
  if (keyCode === UP_ARROW) {
    bubble_size += 1;
  } else if (keyCode === DOWN_ARROW) {
    bubble_size -= 1;
  } else if (keyCode === LEFT_ARROW) {
    movedist -= 1;
  } else if (keyCode === RIGHT_ARROW) {
    movedist += 1;
  } else if (keyCode === CONTROL) {
    blacks -= 1;
  }
  return false; // prevent default
}
​
​
class Bubble{
  constructor(x, y, index){
    this.x = x;
    this.y = y;
    this.index = index;
    this.radius = bubble_size;
    this.color = random(111,205);
    this.speed = movedist;
    this.angle = noise(this.x+this.y/1234);
    if(index % 115 != 0){
      this.r = map(random(),0,1,0,255);
      this.g = map(random(),0,1,0,255);
      this.b = map(random(),0,1,0,255);   
    } else {
      this.r = map(random(),0,1,0,0);
      this.g = map(random(),0,1,0,0);
      this.b = map(random(),0,1,0,0);   
      this.radius = bubble_size * 4;
      this.speed = movedist*4;
    }
  }
  move(){
    
    this.angle = this.angle + 0.5 - noise(this.y/100);
    this.angle = this.angle + 0.5 - noise(this.x/500);
​
    
    this.x = this.x + sin(this.angle)*movedist;
    this.y = this.y + cos(this.angle)*movedist;
    
    if (this.x < 0){
      this.x = width;
    }
    if (this.x > width){
      this.x = 0;
    }
    if (this.y < 0){
      this.y = height;
    }
    if (this.y > height){     
      this.y = 0;
    }
​
  }
  show(){
    
    if(this.index % blacks == 0){
      this.r = map(random(),0,1,0,0);
      this.g = map(random(),0,1,0,0);
      this.b = map(random(),0,1,0,0);   
      this.radius = bubble_size * 4;
      this.speed = movedist*4;
    }
    
    //stroke(this.color, 44);
    noStroke();
    fill(this.r, this.g, this.b);
​
    ellipse(this.x, this.y, bubble_size);
  
  }
}