three.js/examples/js/loaders/SceneLoader2.js

/**
 * @author mrdoob / http://mrdoob.com/
 */

THREE.SceneLoader2 = function () {

	THREE.EventDispatcher.call( this );

};

THREE.SceneLoader2.prototype = {

	constructor: THREE.SceneExporter2,

	load: function ( url ) {

		var scope = this;
		var request = new XMLHttpRequest();

		request.addEventListener( 'load', function ( event ) {

			var response = scope.parse( JSON.parse( event.target.responseText ) );

			scope.dispatchEvent( { type: 'load', content: response } );

		}, false );

		request.addEventListener( 'progress', function ( event ) {

			scope.dispatchEvent( { type: 'progress', loaded: event.loaded, total: event.total } );

		}, false );

		request.addEventListener( 'error', function () {

			scope.dispatchEvent( { type: 'error', message: 'Couldn\'t load URL [' + url + ']' } );

		}, false );

		request.open( 'GET', url, true );
		request.send( null );

	},

	parse: function ( json ) {

		console.log( json );

		/*
		var output = {
			metadata: {
				formatVersion : 4.0,
				type : "scene",
				generatedBy : "SceneExporter"
			}
		};

		console.log( scene );

		var parseObject = function ( object ) {

			var data = { name: object.name };

			if ( object instanceof THREE.PerspectiveCamera ) {

				data.type = 'PerspectiveCamera';
				data.fov = object.fov;
				data.aspect = object.aspect;
				data.near = object.near;
				data.far = object.far;
				data.position = object.position.toArray();
				data.rotation = object.rotation.toArray();

			} else if ( object instanceof THREE.OrthographicCamera ) {

				data.type = 'OrthographicCamera';
				data.left = object.left;
				data.right = object.right;
				data.top = object.top;
				data.bottom = object.bottom;
				data.near = object.near;
				data.far = object.far;
				data.position = object.position.toArray();
				data.rotation = object.rotation.toArray();

			} else if ( object instanceof THREE.AmbientLight ) {

				data.type = 'AmbientLight';
				data.color = object.color.getHex();
				data.intensity = object.intensity;

			} else if ( object instanceof THREE.DirectionalLight ) {

				data.type = 'DirectionalLight';
				data.color = object.color.getHex();
				data.intensity = object.intensity;
				data.position = object.position.toArray();

			} else if ( object instanceof THREE.PointLight ) {

				data.type = 'PointLight';
				data.color = object.color.getHex();
				data.intensity = object.intensity;
				data.position = object.position.toArray();

			} else if ( object instanceof THREE.SpotLight ) {

				data.type = 'SpotLight';
				data.color = object.color.getHex();	
				data.intensity = object.intensity;
				data.position = object.position.toArray();

			} else if ( object instanceof THREE.HemisphereLight ) {

				data.type = 'HemisphereLight';
				data.color = object.color.getHex();

			} else if ( object instanceof THREE.Mesh ) {

				data.type = 'Mesh';
				data.position = object.position.toArray();
				data.rotation = object.rotation.toArray();
				data.scale = object.scale.toArray();

			} else {

				data.type = 'Object3D';
				data.position = object.position.toArray();
				data.rotation = object.rotation.toArray();
				data.scale = object.scale.toArray();

			}

			// parse children

			if ( object.children.length > 0 ) {

				data.children = [];

				for ( var i = 0; i < object.children.length; i ++ ) {

					data.children.push( parseObject( object.children[ i ] ) );

				}

			}

			return data;

		}

		output.scene = parseObject( scene ).children;

		return JSON.stringify( output, null, '\t' );
		*/

	}

}