function Sound() {} Sound.prototype.Init = function() { }; Sound.prototype.PlaySoundGroup = function(name) { if (name in this.template.SoundGroups) { var cmpSoundManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_SoundManager); if (cmpSoundManager) cmpSoundManager.PlaySoundGroup(this.template.SoundGroups[name], this.entity); } }; Engine.RegisterComponentType(IID_Sound, "Sound", Sound);