text: import Command from './Command';
  
  /**
   * 设置旋转命令
   * @author dforrer / https://github.com/dforrer
   * Developed as part of a project at University of Applied Sciences and Arts Northwestern Switzerland (www.fhnw.ch)
   * @param object THREE.Object3D
   * @param newRotation THREE.Euler
   * @param optionalOldRotation THREE.Euler
   * @constructor
   */
  function SetRotationCommand(object, newRotation, optionalOldRotation) {
  	Command.call(this);
  
  	this.type = 'SetRotationCommand';
  	this.name = '设置旋转';
  	this.updatable = true;
  
  	this.object = object;
  
  	if (object !== undefined && newRotation !== undefined) {
  		this.oldRotation = object.rotation.clone();
  		this.newRotation = newRotation.clone();
  	}
  
  	if (optionalOldRotation !== undefined) {
  		this.oldRotation = optionalOldRotation.clone();
  	}
  };
  
  SetRotationCommand.prototype = Object.create(Command.prototype);
  
  Object.assign(SetRotationCommand.prototype, {
  	constructor: SetRotationCommand,
  
  	execute: function () {
  		this.object.rotation.copy(this.newRotation);
  		this.object.updateMatrixWorld(true);
  		this.editor.app.call('objectChanged', this, this.object);
  	},
  
  	undo: function () {
  		this.object.rotation.copy(this.oldRotation);
  		this.object.updateMatrixWorld(true);
  		this.editor.app.call('objectChanged', this, this.object);
  	},
  
  	update: function (command) {
  		this.newRotation.copy(command.newRotation);
  	},
  
  	toJSON: function () {
  		var output = Command.prototype.toJSON.call(this);
  
  		output.objectUuid = this.object.uuid;
  		output.oldRotation = this.oldRotation.toArray();
  		output.newRotation = this.newRotation.toArray();
  
  		return output;
  	},
  
  	fromJSON: function (json) {
  		Command.prototype.fromJSON.call(this, json);
  
  		this.object = this.editor.objectByUuid(json.objectUuid);
  		this.oldRotation = new THREE.Euler().fromArray(json.oldRotation);
  		this.newRotation = new THREE.Euler().fromArray(json.newRotation);
  	}
  });
  
  export default SetRotationCommand;