// The Nature of Code

// The Coding Train / Daniel Shiffman

// https://youtu.be/wDYD3JVtOys

// https://thecodingtrain.com/learning/nature-of-code/4.1-particle-emitters.html

​

// Particle Emitters: https://editor.p5js.org/codingtrain/sketches/YqAxA5CYy

// Particle Emitters with Movers Exercise: https://editor.p5js.org/codingtrain/sketches/UXmqwcpRL

// Particles Following Mouse Exercise: https://editor.p5js.org/codingtrain/sketches/1zTN6PYJg

// Particle Emitters Color Exercise: https://editor.p5js.org/codingtrain/sketches/IYisp9xmJ

​

let movers = [];

let attractor;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  for (let i = 0; i < 4; i++) {

    let x = random(width);

    let y = random(height);

    let m = random(50, 150);

    movers[i] = new Mover(x, y, m);

  }

  attractor = new Attractor(width / 2, height / 2, 100);

  background(0);

}

​

function draw() {

  clear();

  //blendMode(ADD);

  background(0);

  for (let mover of movers) {

    mover.update();

    mover.show();

    attractor.attract(mover);

  }

  if (mouseIsPressed) {

    attractor.pos.x = mouseX;

    attractor.pos.y = mouseY;

  }

  attractor.show();

}

​