Tutorial.js

(function() {
    /* global requestAnimationFrame, ArtemiJS*/

    'use strict';

    var MovementSystem = require("./systems/MovementSystem");

    var Tutorial = function Tutorial() {
        var world = new ArtemiJS.World();

        world.setManager(new ArtemiJS.Managers.GroupManager());

        world.setSystem(new MovementSystem());

        world.initialize();

        var entity = world.createEntity();

        entity.addToWorld();

        var stats = new Stats();
        stats.setMode(1); // 0: fps, 1: ms

        // Align top-left
        stats.domElement.style.position = 'absolute';
        stats.domElement.style.left = '0px';
        stats.domElement.style.top = '0px';

        document.body.appendChild( stats.domElement );

        /**
         * @param Float delta
         */
        this.start = function() {
            render(0);
        };

        function render(delta) {
            window.requestAnimationFrame(render);
            world.setDelta(delta);
            world.process();
            stats.update();
        }
    };

    var game = new Tutorial();
    game.start();
})();