// Render = Matter.Render,

    World = Matter.World,

    Bodies = Matter.Bodies;

​

var engine;

var world;

var box1;

var gr;

​

​

function setup() {

   createCanvas(400, 400);

  var engine=Engine.create();

  world=engine.world;

  gr = Bodies.rectangle(0, 350, 400, 50,{isStatic:true});

  box1 = Bodies.rectangle(100, 200, 80, 80);

  World.add(world, [box1,gr]);

​

  Engine.run(engine);

  console.log(box1)

  box1 = new Box(200,100,50,50);

}

​

function draw() {

  background(220);

  rect(gr.position.x, gr.position.y, 400, 50)

  rect(box1.position.x,box1.position.y,80,80)

}