parseNodes( json, textures ) {

		if ( json !== undefined ) {

			const loader = new NodeLoader();
			loader.setNodes( this.nodes );
			loader.setTextures( textures );

			return loader.parseNodes( json );

		}

		return {};

	}
Parses the node objects from the given JSON and textures.

@param {Object[]} json - The JSON definition
@param {Object<string,Texture>} textures - The texture library.
@return {Object<string,Node>}. The parsed nodes.