var Scene = require('../Scene'); 
var Systems = require('../Systems'); 
var NOOP = require('../../utils/NOOP'); 
var CreateSceneFromFunction = function (key, scene){ 
var newScene = new scene(); 
if (newScene instanceof Scene) { 
var configKey = newScene.sys.settings.key; 
if (configKey !== '') { 
key = configKey; 
} 
if (this.keys.hasOwnProperty(key)) { 
throw new Error('Cannot add a Scene with duplicate key: ' + key)
} 
return this.createSceneFromInstance(key, newScene); 
} 
 else { 
newScene.sys = new Systems(newScene); 
newScene.sys.settings.key = key; 
_AN_Call_init('init', newScene.sys, this.game); 
this.createSceneDisplay(newScene); 
if (!newScene.init) { 
newScene.init = NOOP; 
} 
if (!newScene.preload) { 
newScene.preload = NOOP; 
} 
if (!newScene.create) { 
newScene.create = NOOP; 
} 
if (!newScene.shutdown) { 
newScene.shutdown = NOOP; 
} 
if (!newScene.update) { 
newScene.update = NOOP; 
} 
if (!newScene.render) { 
newScene.render = NOOP; 
} 
return newScene; 
} 
} 
; 
module.exports = CreateSceneFromFunction;