MatterJS Test

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/matter-js/0.8.0-alpha/matter.min.js"></script>
<div id="cont"></div>

CSS

#cont {
    width: 400px;
    height: 300px;
    box-shadow: 1px 1px 3px 1px #ccc;
}

JavaScript

// Matter.js module aliases
var Engine = Matter.Engine,
    World = Matter.World,
    Bodies = Matter.Bodies;

// create a Matter.js engine
var engine = Engine.create(document.getElementById('cont'));

// create two boxes and a ground
var boxA = Bodies.rectangle(200, 200, 80, 80);
var boxB = Bodies.rectangle(250, 50, 80, 80);
//var ground = Bodies.rectangle(200, 300, 400, 20, { isStatic: true });

// add all of the bodies to the world
World.add(engine.world, [boxA, boxB, ground]);

// run the engine
Engine.run(engine);