(function() { var World = Matter.World, Bodies = Matter.Bodies, Composites = Matter.Composites; Example.stress2 = function(demo) { var engine = demo.engine, world = engine.world; var stack = Composites.stack(100, 120, 25, 18, 0, 0, function(x, y) { return Bodies.rectangle(x, y, 25, 25); }); World.add(world, stack); var renderOptions = demo.render.options; renderOptions.showAngleIndicator = false; }; })();