Phaser.Particles = function (game) { this.emitters = {}; this.ID = 0; }; Phaser.Particles.prototype = { emitters: null, add: function (emitter) { this.emitters[emitter.name] = emitter; return emitter; }, remove: function (emitter) { delete this.emitters[emitter.name]; }, update: function () { for (var key in this.emitters) { if (this.emitters[key].exists) { this.emitters[key].update(); } } }, };