var Example = Example || {}; Matter.use( 'matter-wrap' ); Example.ballPool = function() { var Engine = Matter.Engine, Render = Matter.Render, Runner = Matter.Runner, Composite = Matter.Composite, Composites = Matter.Composites, Common = Matter.Common, MouseConstraint = Matter.MouseConstraint, Mouse = Matter.Mouse, World = Matter.World, Bodies = Matter.Bodies; // create engine var engine = Engine.create(), world = engine.world; // create renderer var render = Render.create({ element: document.body, engine: engine, options: { width: 800, height: 600, showAngleIndicator: true } }); Render.run(render); // create runner var runner = Runner.create(); Runner.run(runner, engine); // add bodies World.add(world, [ Bodies.rectangle(400, 600, 1200, 50.5, { isStatic: true }) ]); var stack = Composites.stack(100, 0, 10, 8, 10, 10, function(x, y) { return Bodies.circle(x, y, Common.random(15, 30), { restitution: 0.6, friction: 0.1 }); }); World.add(world, [ stack, Bodies.polygon(200, 460, 3, 60), Bodies.polygon(400, 460, 5, 60), Bodies.rectangle(600, 460, 80, 80) ]); // add mouse control var mouse = Mouse.create(render.canvas), mouseConstraint = MouseConstraint.create(engine, { mouse: mouse, constraint: { stiffness: 0.2, render: { visible: false } } }); World.add(world, mouseConstraint); // keep the mouse in sync with rendering render.mouse = mouse; // fit the render viewport to the scene Render.lookAt(render, { min: { x: 0, y: 0 }, max: { x: 800, y: 600 } }); // wrapping using matter-wrap plugin var allBodies = Composite.allBodies(world); for (var i = 0; i < allBodies.length; i += 1) { allBodies[i].plugin.wrap = { min: { x: render.bounds.min.x - 100, y: render.bounds.min.y }, max: { x: render.bounds.max.x + 100, y: render.bounds.max.y } }; } // context for MatterTools.Demo return { engine: engine, runner: runner, render: render, canvas: render.canvas, stop: function() { Matter.Render.stop(render); Matter.Runner.stop(runner); } }; }; if (typeof module !== 'undefined' && module.exports) { module.exports = Example[Object.keys(Example)[0]]; }