// Daniel Shiffman

// http://natureofcode.com

​

// Aliases

const { Engine, Bodies, Composite, Body, Vector, Render } = Matter;

​

function setup() {

  let canvas = createCanvas(640, 240);

​

  // Make the Engine

  let engine = Engine.create();

​

  let render = Render.create({

    canvas: canvas.elt,

    engine,

    options: { width: width, height: height },

  });

  Render.run(render);

​

  // Create the box

  let options = {

    friction: 0.01,

    restitution: 0.75,

  };

  let box = Bodies.rectangle(100, 100, 50, 50, options);

  let v = Vector.create(5, 0);

  Body.setVelocity(box, v);

  Body.setAngularVelocity(box, 0.1);

  Composite.add(engine.world, box);

​

  // Create a static body for the ground

  let ground = Bodies.rectangle(width / 2, height - 5, width, 10, {

    isStatic: true,

  });

  Composite.add(engine.world, ground);

​

  // create runner

  let runner = Matter.Runner.create();

  // run the engine

  Matter.Runner.run(runner, engine);

}

​