// Daniel Shiffman

// http://natureofcode.com

​

let particleA;

let particleB;

​

function setup() {

  createCanvas(640, 360);

  particleA = new Particle(320, 60);

  particleB = new Particle(320, 300);

}

​

function draw() {

  background(255);

​

  particleA.collide(particleB);

​

  particleA.update();

  particleB.update();

​

  particleA.edges();

  particleB.edges();

​

  particleA.show();

  particleB.show();

​

  // let speedA = particleA.velocity.mag();

  // let speedB = particleB.velocity.mag();

  // let kinA = 0.5 * particleA.mass * speedA * speedA;

  // let kinB = 0.5 * particleB.mass * speedB * speedB;

  // console.log(kinA + kinB);

​

​

}

​