// Gravitational Attraction
// The Nature of Code
// The Coding Train / Daniel Shiffman
// https://youtu.be/EpgB3cNhKPM
// https://thecodingtrain.com/learning/nature-of-code/2.5-gravitational-attraction.html
// https://editor.p5js.org/codingtrain/sketches/MkLraatd

let movers = [];
let attractor;
var canvas;

function windowResized() {
  resizeCanvas(windowWidth, windowHeight);
}

function setup() {
  canvas = createCanvas(windowWidth, windowHeight);
  canvas.position(0, 0);
  canvas.style("z-index", "-1");

  movers[0] = new Mover(10, 10, 5, -5, 50);
  movers[0].col = color("red");
  movers[1] = new Mover(width / 2, height / 2, -5, -5, 60);
  movers[1].col = color("white");
  movers[2] = new Mover(width - 10, height - 10, -5, -5, 40);
  movers[2].col = color("blue");

  // Gay Mode
  // movers[0] = new Mover(0, 0, 5, -5, 50);
  // movers[0].col = color('#D12229');
  // movers[1] = new Mover(width/5, height/5, -5, -5, 50);
  // movers[1].col = color('#F68A1E');
  // movers[2] = new Mover(2*width/5, 2*height/5, -5, -5, 50);
  // movers[2].col = color('#FDE01A');
  // movers[3] = new Mover(3*width/5, 3*height/5, -5, -5, 50);
  // movers[3].col = color('#007940');
  // movers[4] = new Mover(4*width/5, 4*height/5, -5, -5, 50);
  // movers[4].col = color('#24408E');
  // movers[5] = new Mover(width, height, -5, -5, 50);
  // movers[5].col = color('#732982');
  background(0);
}

function draw() {
  background(0, 75);
  for (let mover of movers) {
    mover.mouse_mass();
    for (let other of movers) {
      if (mover !== other) {
        mover.attract(other);
      }
    }
  }
  for (let mover of movers) {
    mover.update();
    mover.edges();
    mover.show();
  }
}