// Daniel Shiffman

// http://natureofcode.com

​

let movers = []

​

function setup() {

  createCanvas(windowWidth, 300);

  movers[0] = new Mover(200, 100, 5);

  createP("Click mouse to apply wind force.");

​

  // disable right click context menu with the for-cycle below 

  for (let element of document.getElementsByClassName("p5Canvas")) {

    element.addEventListener("contextmenu", (e) => e.preventDefault());

  }

}

​

function draw() {

  background(255);

​

  let gravity = createVector(0, 0.1);

  for (let i=0; i < movers.length; i++) {

    movers[i].applyForce(gravity);

​

    if (movers[i].contactEdge()) {

      let c = 0.1;

      let friction = movers[i].velocity.copy();

      friction.mult(-1);

      friction.setMag(c);

      movers[i].applyForce(friction);

    }

​

    if (mouseIsPressed) {

      let wind = createVector(0.1, 0);

      movers[i].applyForce(wind);

    }

​

    movers[i].update();

    movers[i].display();

    movers[i].checkEdges();

  }

}

​