code: function( options ){
  
              var self = this
                  ,el = typeof options.el === 'string' ? document.getElementById(options.el) : options.el
                  ;
  
              this.options = Physics.util.options(defaults);
              this.options( options );
  
              this.el = el ? el : document.body;
              this.container = el && el.parentNode ? el.parentNode : document.body;
              this.drawMeta = Physics.util.throttle( Physics.util.bind(this.drawMeta, this), this.options.metaRefresh );
  
              window.addEventListener('resize', Physics.util.throttle(function(){
                  if ( self.options.autoResize ){
                      self.resize();
                  }
              }), 100);
          }
docs: belongs to: Physics.renderer
  class Renderer
  
  The base class for renderers created by [[Physics.renderer]] factory function.
   internal
  Renderer#init( options )
  - options (Object): The configuration options passed by the factory
  
  Initialization. Internal use.